[3285] | 1 | package org.greenstone.gsdl3.util;
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| 2 |
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[3985] | 3 | import org.w3c.dom.NamedNodeMap;
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[3285] | 4 | import org.w3c.dom.Node;
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| 5 | import org.w3c.dom.Element;
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| 6 | import org.w3c.dom.NodeList;
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| 7 | import org.w3c.dom.Document;
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| 8 | import org.w3c.dom.Text;
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| 9 |
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[4978] | 10 | import java.util.Map;
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| 11 | import java.util.Set;
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[3285] | 12 | import java.util.HashMap;
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[4078] | 13 | import java.util.Vector;
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| 14 | import java.util.Iterator;
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[9005] | 15 | import java.util.ArrayList;
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| 16 |
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[3573] | 17 | //import java.util.Locale;
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[3285] | 18 |
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[13124] | 19 | import org.apache.log4j.*;
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| 20 |
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[3285] | 21 | /** various functions for extracting info out of GS XML */
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| 22 | public class GSXML {
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[14222] | 23 |
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| 24 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.GSXML.class.getName());
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| 25 |
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| 26 | // greenstone xml elements
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| 27 | public static final String MESSAGE_ELEM = "message";
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| 28 | public static final String REQUEST_ELEM = "request";
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| 29 | public static final String RESPONSE_ELEM = "response";
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| 30 | public static final String COLLECTION_ELEM = "collection";
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| 31 | public static final String SERVICE_ELEM = "service";
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| 32 | public static final String CLUSTER_ELEM = "serviceCluster";
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| 33 | public static final String SITE_ELEM = "site";
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| 34 | public static final String PARAM_ELEM = "param";
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| 35 | public static final String PARAM_OPTION_ELEM = "option";
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| 36 | public static final String CONTENT_ELEM = "content";
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| 37 | public static final String RESOURCE_ELEM = "resource";
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| 38 | public static final String DOCUMENT_ELEM = "document";
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| 39 | public static final String METADATA_ELEM = "metadata";
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| 40 | public static final String SERVICE_CLASS_ELEM = "serviceRack";
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| 41 | public static final String CLASSIFIER_ELEM = "classifier";
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| 42 | public static final String APPLET_ELEM = "applet";
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| 43 | public static final String APPLET_DATA_ELEM = "appletData";
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| 44 | public static final String CONFIGURE_ELEM = "configure";
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| 45 | public static final String STATUS_ELEM = "status";
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| 46 | public static final String ERROR_ELEM = "error";
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| 47 | public static final String DEFAULT_ELEM = "default";
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| 48 | public static final String STYLESHEET_ELEM = "format";//"stylesheet"; // any additional stylesheet stuff is carried in the message inside this elem
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| 49 | public static final String FORMAT_ELEM = "format"; // config files use format - should we use this instead of stylesheet??
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| 50 | public static final String TERM_ELEM = "term";
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| 51 | public static final String SYSTEM_ELEM = "system";
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| 52 |
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| 53 | //config file elems
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| 54 | public static final String COLLECTION_CONFIG_ELEM = "collectionConfig";
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| 55 | public static final String COLLECTION_BUILD_ELEM = "buildConfig";
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| 56 | public static final String COLLECTION_INIT_ELEM = "collectionInit";
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| 57 | public static final String RECOGNISE_ELEM = "recognise";
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| 58 | public static final String DOC_TYPE_ELEM = "docType";
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| 59 | public static final String SEARCH_ELEM = "search";
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| 60 | public static final String INDEX_ELEM = "index";
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| 61 | public static final String INDEX_STEM_ELEM = "indexStem";
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| 62 | public static final String INDEX_OPTION_ELEM = "indexOption";
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| 63 | public static final String BROWSE_ELEM = "browse";
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| 64 | public static final String DISPLAY_ELEM = "display";
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| 65 | public static final String LEVEL_ELEM = "level";
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| 66 | public static final String SHORTNAME_ATT = "shortname";
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| 67 | public static final String NOTIFY_ELEM = "notify";
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| 68 | public static final String NOTIFY_HOST_ATT = "host";
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| 69 |
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| 70 | // elems for the pages to be processed by xslt
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| 71 | public final static String PAGE_ELEM = "page";
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| 72 | public final static String CONFIGURATION_ELEM = "config";
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| 73 | public final static String PAGE_REQUEST_ELEM = "pageRequest";
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| 74 | public final static String PAGE_RESPONSE_ELEM = "pageResponse";
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| 75 | public final static String PAGE_EXTRA_ELEM = "pageExtra";
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| 76 |
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| 77 | //public final static String DESCRIPTION_ELEM = "description";
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| 78 |
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| 79 | public static final String ACTION_ELEM = "action";
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| 80 | public static final String SUBACTION_ELEM = "subaction";
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| 81 |
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| 82 | // add on to another elem type to get a list of that type
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| 83 | public static final String LIST_MODIFIER = "List";
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| 84 |
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| 85 | // greenstone xml attributes
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| 86 | public static final String NAME_ATT = "name";
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| 87 | public static final String TO_ATT = "to";
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| 88 | public static final String USER_ID_ATT = "uid";
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| 89 | public static final String FROM_ATT = "from";
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| 90 | public static final String LANG_ATT = "lang";
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| 91 | public static final String TYPE_ATT = "type";
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| 92 | public static final String VALUE_ATT = "value";
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| 93 | public static final String DEFAULT_ATT = "default";
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| 94 | public static final String INFO_ATT = "info";
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| 95 | public static final String ACTION_ATT = "action";
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| 96 | public static final String SUBACTION_ATT = "subaction";
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| 97 | public static final String OUTPUT_ATT = "output";
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| 98 | public static final String ADDRESS_ATT = "address";
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| 99 | public static final String LOCAL_SITE_ATT = "localSite";
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| 100 | public static final String LOCAL_SITE_NAME_ATT = "localSiteName";
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| 101 | public static final String STATUS_ERROR_CODE_ATT = "code";
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| 102 | public static final String STATUS_PROCESS_ID_ATT = "pid";
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| 103 | public static final String PARAM_SHORTNAME_ATT = "shortname";
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| 104 | public static final String PARAM_IGNORE_POS_ATT = "ignore";
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| 105 | public static final String CLASSIFIER_CONTENT_ATT = "content";
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| 106 | public static final String ERROR_TYPE_ATT = "type";
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| 107 |
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| 108 | // document stuff
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| 109 | public static final String DOC_TYPE_ATT = "docType";
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| 110 | public static final String DOC_NODE_ELEM = "documentNode";
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| 111 | public static final String NODE_CONTENT_ELEM = "nodeContent";
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| 112 | public static final String NODE_STRUCTURE_ELEM = "nodeStructure";
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| 113 | public static final String NODE_ID_ATT = "nodeID";
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| 114 | public static final String NODE_NAME_ATT = "nodeName";
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| 115 | public static final String NODE_TYPE_ATT = "nodeType";
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| 116 | public static final String NODE_RANK_ATT = "rank";
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| 117 | public static final String NODE_TYPE_ROOT = "root";
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| 118 | public static final String NODE_TYPE_INTERNAL = "internal";
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| 119 | public static final String NODE_TYPE_LEAF = "leaf";
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| 120 |
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| 121 | public static final String DOC_TYPE_SIMPLE = "simple";
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| 122 | public static final String DOC_TYPE_PAGED = "paged";
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| 123 | public static final String DOC_TYPE_HIERARCHY = "hierarchy";
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[14401] | 124 |
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| 125 | public static final String SESSION_EXPIRATION = "session_expiration";
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| 126 | public static final String USER_SESSION_CACHE_ATT = "user_session_cache";
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| 127 |
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[14222] | 128 | // classifier stuff
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| 129 | public static final String CLASS_NODE_ELEM = "classifierNode";
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| 130 | public static final String CLASS_NODE_ORIENTATION_ATT = "orientation";
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| 131 |
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| 132 | // parameter types
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| 133 | public static final String PARAM_TYPE_INTEGER = "integer";
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| 134 | public static final String PARAM_TYPE_BOOLEAN = "boolean";
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| 135 | public static final String PARAM_TYPE_ENUM_START = "enum";
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| 136 | public static final String PARAM_TYPE_ENUM_SINGLE = "enum_single";
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| 137 | public static final String PARAM_TYPE_ENUM_MULTI = "enum_multi";
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| 138 | public static final String PARAM_TYPE_STRING = "string";
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| 139 | public static final String PARAM_TYPE_TEXT = "text";
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| 140 | public static final String PARAM_TYPE_MULTI = "multi";
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| 141 | public static final String PARAM_TYPE_FILE = "file";
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| 142 | public static final String PARAM_TYPE_INVISIBLE = "invisible";
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| 143 | // stuff for text strings
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| 144 | public static final String DISPLAY_TEXT_ELEM = "displayItem";
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| 145 | // the following are used for the name attributes
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| 146 | public static final String DISPLAY_TEXT_NAME = "name";
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| 147 | public static final String DISPLAY_TEXT_SUBMIT = "submit";
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| 148 | public static final String DISPLAY_TEXT_DESCRIPTION = "description";
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| 149 |
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| 150 | // request types
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| 151 | // get the module description
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| 152 | public static final String REQUEST_TYPE_DESCRIBE = "describe";
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| 153 | // startup a process
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| 154 | public static final String REQUEST_TYPE_PROCESS = "process";
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| 155 | // get the status of an ongoing process
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| 156 | public static final String REQUEST_TYPE_STATUS = "status";
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| 157 | // system type request - eg reload a collection
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| 158 | public static final String REQUEST_TYPE_SYSTEM = "system";
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| 159 | // page requests to the Receptionist/Actions
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| 160 | public static final String REQUEST_TYPE_PAGE = "page"; // used to be cgi
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| 161 | // get any format info for a service
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| 162 | public static final String REQUEST_TYPE_FORMAT = "format";
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| 163 | // modify the requests
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| 164 | public static final String REQUEST_TYPE_MESSAGING = "messaging";
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| 165 |
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| 166 | // service types
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| 167 | public static final String SERVICE_TYPE_QUERY = "query";
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| 168 | public static final String SERVICE_TYPE_RETRIEVE = "retrieve";
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| 169 | public static final String SERVICE_TYPE_BROWSE = "browse";
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| 170 | public static final String SERVICE_TYPE_APPLET = "applet";
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| 171 | public static final String SERVICE_TYPE_PROCESS = "process";
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| 172 | public static final String SERVICE_TYPE_ENRICH = "enrich";
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[14420] | 173 | public static final String FLAX_PAGE = "flaxPage";
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| 174 | public static final String FLAX_PAGE_GENERATION = "FlaxPageGeneration";
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[14222] | 175 |
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| 176 | // system command types and attributes
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| 177 | public static final String SYSTEM_TYPE_CONFIGURE = "configure";
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| 178 | public static final String SYSTEM_TYPE_ACTIVATE = "activate";
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| 179 | public static final String SYSTEM_TYPE_DEACTIVATE = "deactivate";
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| 180 |
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| 181 | public static final String SYSTEM_SUBSET_ATT = "subset";
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| 182 | public static final String SYSTEM_MODULE_TYPE_ATT = "moduleType";
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| 183 | public static final String SYSTEM_MODULE_NAME_ATT = "moduleName";
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| 184 |
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| 185 | // communicator types
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| 186 | public static final String COMM_TYPE_SOAP_JAVA = "soap";
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| 187 |
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| 188 | // error types
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| 189 | public static final String ERROR_TYPE_SYNTAX = "syntax";
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| 190 | public static final String ERROR_TYPE_SYSTEM = "system";
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| 191 | public static final String ERROR_TYPE_INVALID_ID = "invalid_id";
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| 192 | public static final String ERROR_TYPE_OTHER = "other";
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| 193 |
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| 194 | // some system wide param names
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| 195 | public static final String SUBSET_PARAM = "subset";
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| 196 |
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| 197 | //for plugin
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| 198 | public static final String PLUGIN_ELEM = "plugin";
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| 199 | public static final String IMPORT_ELEM = "import";
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| 200 |
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[14296] | 201 | //for authentication
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| 202 | public static final String AUTHEN_NODE_ELEM="authenticationNode";
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| 203 | public static final String USER_NODE_ELEM="userNode";
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| 204 |
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[14222] | 205 | /** takes a list of elements, and returns an array of strings
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| 206 | * of the values of attribute att_name */
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| 207 | public static String [] getAttributeValuesFromList(Element list,
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| 208 | String att_name) {
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[4243] | 209 |
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[14222] | 210 | NodeList children = list.getChildNodes();
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[3867] | 211 |
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[14222] | 212 | int num_nodes = children.getLength();
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| 213 | String []ids = new String[num_nodes];
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| 214 | for (int i=0; i<num_nodes; i++) {
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| 215 | Element e = (Element)children.item(i);
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| 216 | String id = e.getAttribute(att_name);
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| 217 | ids[i] = id;
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| 218 | }
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[4100] | 219 |
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[14222] | 220 | return ids;
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| 221 | }
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| 222 |
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| 223 | /** takes a paramList element, and gets a HashMap of name-value pairs
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| 224 | * if deep=true, extracts embedded params, otherwise just top level
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| 225 | * params*/
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| 226 | public static HashMap extractParams(Element xml, boolean deep) {
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[3509] | 227 |
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[14222] | 228 | if (!xml.getNodeName().equals(PARAM_ELEM+LIST_MODIFIER)) {
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| 229 | logger.error("paramList element should have been passed to extractParams, instead it was "+xml.getNodeName());
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| 230 | return null;
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| 231 | }
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[13994] | 232 |
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[14222] | 233 | NodeList params = null;
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| 234 | if (deep) { // get all the nested ones
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| 235 | params = xml.getElementsByTagName(PARAM_ELEM);
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| 236 | } else { // just get the top level ones
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| 237 | params = xml.getChildNodes();
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| 238 | }
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| 239 | HashMap param_map = new HashMap();
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| 240 | for (int i=0; i<params.getLength(); i++) {
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| 241 | if (params.item(i).getNodeName().equals(PARAM_ELEM)) {
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| 242 | Element param = (Element)params.item(i);
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| 243 | String name=param.getAttribute(NAME_ATT);
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| 244 | String value=getValue(param); //att or content
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| 245 | int pos = name.indexOf('.');
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| 246 | if (pos == -1) { // a base param
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| 247 | param_map.put(name, value);
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| 248 | } else { // a namespaced param
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| 249 |
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| 250 | String namespace = name.substring(0, pos);
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| 251 | name = name.substring(pos+1);
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| 252 | HashMap map = (HashMap)param_map.get(namespace);
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| 253 | if (map == null) {
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| 254 | map = new HashMap();
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| 255 | param_map.put(namespace, map);
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| 256 | }
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| 257 | map.put(name, value);
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| 258 | }
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| 259 | }
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| 260 | }
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| 261 | return param_map;
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| 262 | }
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| 263 |
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| 264 | /** gets the value att or the text content */
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| 265 | public static String getValue(Element e) {
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| 266 | String val = e.getAttribute(VALUE_ATT);
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| 267 | if (val ==null || val.equals("")) {
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| 268 | // have to get it out of the text
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| 269 | val=getNodeText(e);
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| 270 |
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| 271 | } else {
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| 272 | // unescape the xml stuff
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| 273 | val = unXmlSafe(val);
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| 274 | }
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| 275 | return val;
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| 276 | }
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| 277 |
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| 278 | /** extracts the text out of a node */
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| 279 | public static Node getNodeTextNode(Element param) {
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| 280 | param.normalize();
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| 281 | Node n = param.getFirstChild();
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| 282 | while (n!=null && n.getNodeType() !=Node.TEXT_NODE) {
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| 283 | n=n.getNextSibling();
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| 284 | }
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| 285 | return n;
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| 286 | }
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| 287 |
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| 288 | /** extracts the text out of a node */
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| 289 | public static String getNodeText(Element param) {
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| 290 | Node text_node = getNodeTextNode(param);
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| 291 | if (text_node == null) {
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| 292 | return "";
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| 293 | }
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| 294 | return text_node.getNodeValue();
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| 295 | }
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| 296 |
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| 297 | public static void setNodeText(Element elem, String text) {
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| 298 | Node old_text_node = getNodeTextNode(elem);
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| 299 | if (old_text_node != null) {
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| 300 | elem.removeChild(old_text_node);
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| 301 | }
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| 302 | Text t = elem.getOwnerDocument().createTextNode(text);
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| 303 | elem.appendChild(t);
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| 304 | }
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| 305 |
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| 306 | /** add text to a document/subsection element */
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| 307 | public static boolean addDocText(Document owner, Element doc, String text) {
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[13994] | 308 |
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[14222] | 309 | Element content = owner.createElement(NODE_CONTENT_ELEM);
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| 310 | Text t = owner.createTextNode(text);
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| 311 | content.appendChild(t);
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| 312 | doc.appendChild(content);
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| 313 | return true;
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| 314 | }
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| 315 |
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| 316 | /** add an error message, unknown error type */
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| 317 | public static boolean addError(Document owner, Element doc, String text) {
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| 318 | return addError(owner, doc, text, ERROR_TYPE_OTHER);
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| 319 | }
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| 320 | /** add an error message */
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| 321 | public static boolean addError(Document owner, Element doc, String text,
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| 322 | String error_type) {
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[13994] | 323 |
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[14222] | 324 | Element content = owner.createElement(ERROR_ELEM);
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| 325 | content.setAttribute(ERROR_TYPE_ATT, error_type);
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| 326 | Text t = owner.createTextNode(text);
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| 327 | content.appendChild(t);
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| 328 | doc.appendChild(content);
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| 329 | return true;
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| 330 | }
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| 331 |
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| 332 | /** add an error message */
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| 333 | public static boolean addError(Document owner, Element doc, Throwable error) {
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| 334 | return addError(owner, doc, error, ERROR_TYPE_OTHER);
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| 335 | }
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| 336 |
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| 337 | /** add an error message */
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| 338 | public static boolean addError(Document owner, Element doc,
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| 339 | Throwable error, String error_type) {
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| 340 | error.printStackTrace();
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| 341 | return addError(owner, doc, error.toString(), error_type);
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| 342 | }
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| 343 |
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| 344 | public static Element createMetadataParamList(Document owner, Vector meta_values) {
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| 345 |
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| 346 | Element meta_param_list = owner.createElement(PARAM_ELEM+LIST_MODIFIER);
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| 347 | Iterator i = meta_values.iterator();
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| 348 | while(i.hasNext()) {
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| 349 | String next = (String)i.next();
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| 350 | Element meta_param = owner.createElement(PARAM_ELEM);
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| 351 | meta_param_list.appendChild(meta_param);
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| 352 | meta_param.setAttribute(NAME_ATT, "metadata");
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| 353 | meta_param.setAttribute(VALUE_ATT, next);
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[3867] | 354 | }
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[14222] | 355 | return meta_param_list;
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| 356 | }
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| 357 |
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| 358 | /** adds a metadata elem to a list */
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| 359 | public static boolean addMetadata(Document owner, Element list,
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| 360 | String meta_name, String meta_value) {
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| 361 | if (meta_value==null || meta_value.equals("")) {
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| 362 | return false;
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[3285] | 363 | }
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[14222] | 364 | Element data = owner.createElement(METADATA_ELEM);
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| 365 | data.setAttribute(NAME_ATT, meta_name);
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| 366 | Text t = owner.createTextNode(meta_value);
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| 367 | data.appendChild(t);
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| 368 | list.appendChild(data);
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| 369 | return true;
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| 370 |
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| 371 | }
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| 372 |
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| 373 | /** copies the metadata out of teh metadataList of 'from' into
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| 374 | * the metadataList of 'to' */
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| 375 | public static boolean mergeMetadataLists(Node to, Node from) {
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| 376 | Node to_meta = getChildByTagName(to, METADATA_ELEM+LIST_MODIFIER);
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| 377 | Node from_meta = getChildByTagName(from, METADATA_ELEM+LIST_MODIFIER);
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| 378 |
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| 379 | if (from_meta == null) { // nothing to copy
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| 380 | return true;
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[3362] | 381 | }
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[14222] | 382 | Document to_owner = to.getOwnerDocument();
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| 383 | Node new_from = to_owner.importNode(from_meta, true);
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| 384 |
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| 385 | if (to_meta == null) { // just copy the whole list
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| 386 | to.appendChild(new_from);
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| 387 | return true;
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[3285] | 388 | }
|
---|
[4009] | 389 |
|
---|
[14222] | 390 | // copy individual elements
|
---|
| 391 | Node child = new_from.getFirstChild();
|
---|
| 392 | while ( child != null) {
|
---|
| 393 | to_meta.appendChild(child);
|
---|
| 394 | child = child.getNextSibling();
|
---|
[4009] | 395 | }
|
---|
[14222] | 396 | return true;
|
---|
| 397 | }
|
---|
| 398 |
|
---|
| 399 | /** copies all the children from from to to */
|
---|
| 400 | public static boolean mergeElements(Element to, Element from) {
|
---|
| 401 |
|
---|
| 402 | Document owner = to.getOwnerDocument();
|
---|
| 403 | Node child = from.getFirstChild();
|
---|
| 404 | while (child != null) {
|
---|
| 405 | to.appendChild(owner.importNode(child, true));
|
---|
| 406 | child = child.getNextSibling();
|
---|
[13829] | 407 | }
|
---|
[14222] | 408 | return true;
|
---|
| 409 | }
|
---|
| 410 | /** returns the (first) element child of the node n */
|
---|
| 411 | public static Element getFirstElementChild(Node n) {
|
---|
| 412 |
|
---|
| 413 | Node child = n.getFirstChild();
|
---|
| 414 | while (child!=null) {
|
---|
| 415 | if (child.getNodeType() == Node.ELEMENT_NODE) {
|
---|
| 416 | return (Element)child;
|
---|
| 417 | }
|
---|
| 418 | child = child.getNextSibling();
|
---|
[3285] | 419 | }
|
---|
[14222] | 420 | return null; //no element child found
|
---|
| 421 | }
|
---|
| 422 | /** returns the (first) child element with the given name */
|
---|
| 423 | public static Node getChildByTagName(Node n, String name) {
|
---|
| 424 |
|
---|
| 425 | Node child = n.getFirstChild();
|
---|
| 426 | while (child!=null) {
|
---|
| 427 | if (child.getNodeName().equals(name)) {
|
---|
| 428 | return child;
|
---|
| 429 | }
|
---|
| 430 | child = child.getNextSibling();
|
---|
| 431 | }
|
---|
| 432 | return null; //not found
|
---|
| 433 | }
|
---|
[3618] | 434 |
|
---|
[14222] | 435 | /** returns the (nth) child element with the given name
|
---|
| 436 | * index numbers start at 0 */
|
---|
| 437 | public static Node getChildByTagNameIndexed(Node n, String name, int index) {
|
---|
| 438 | if (index == -1) {
|
---|
| 439 | return getChildByTagName(n, name);
|
---|
[9874] | 440 | }
|
---|
[14222] | 441 | int count = 0;
|
---|
| 442 | Node child = n.getFirstChild();
|
---|
| 443 | while (child!=null) {
|
---|
| 444 | if (child.getNodeName().equals(name)) {
|
---|
| 445 | if (count == index) {
|
---|
| 446 | return child;
|
---|
| 447 | } else {
|
---|
| 448 | count++;
|
---|
| 449 | }
|
---|
| 450 | }
|
---|
| 451 | child = child.getNextSibling();
|
---|
[3618] | 452 | }
|
---|
[14222] | 453 | return null; //not found
|
---|
| 454 | }
|
---|
| 455 |
|
---|
| 456 | /** takes an xpath type expression of the form name/name/...
|
---|
| 457 | * and returns the first node that matches, or null if not found */
|
---|
| 458 | public static Node getNodeByPath(Node n, String path) {
|
---|
| 459 |
|
---|
| 460 | String link = GSPath.getFirstLink(path);
|
---|
| 461 | path = GSPath.removeFirstLink(path);
|
---|
| 462 | while (!link.equals("")) {
|
---|
| 463 | n = getChildByTagName(n, link);
|
---|
| 464 | if (n==null) {
|
---|
| 465 | return null;
|
---|
| 466 | }
|
---|
| 467 | link = GSPath.getFirstLink(path);
|
---|
| 468 | path = GSPath.removeFirstLink(path);
|
---|
[3618] | 469 | }
|
---|
[14222] | 470 | return n;
|
---|
| 471 | }
|
---|
| 472 |
|
---|
| 473 | /** takes an xpath type expression of the form name/name/...
|
---|
| 474 | * and returns the first node that matches, or null if not found
|
---|
| 475 | * can include [i] indices. index numbers start at 0 */
|
---|
| 476 | public static Node getNodeByPathIndexed(Node n, String path) {
|
---|
[9874] | 477 |
|
---|
[14222] | 478 | String link = GSPath.getFirstLink(path);
|
---|
| 479 | int index = GSPath.getIndex(link);
|
---|
| 480 | if (index != -1) {
|
---|
| 481 | link = GSPath.removeIndex(link);
|
---|
[9874] | 482 | }
|
---|
[14222] | 483 | path = GSPath.removeFirstLink(path);
|
---|
| 484 | while (!link.equals("")) {
|
---|
| 485 | n = getChildByTagNameIndexed(n, link, index);
|
---|
| 486 | if (n==null) {
|
---|
| 487 | return null;
|
---|
| 488 | }
|
---|
| 489 | link = GSPath.getFirstLink(path);
|
---|
| 490 | index = GSPath.getIndex(link);
|
---|
| 491 | if (index != -1) {
|
---|
| 492 | link = GSPath.removeIndex(link);
|
---|
| 493 | }
|
---|
| 494 | path = GSPath.removeFirstLink(path);
|
---|
[4078] | 495 | }
|
---|
[14222] | 496 | return n;
|
---|
| 497 | }
|
---|
| 498 |
|
---|
| 499 | public static HashMap getChildrenMap(Node n) {
|
---|
| 500 |
|
---|
| 501 | HashMap map= new HashMap();
|
---|
| 502 | Node child = n.getFirstChild();
|
---|
| 503 | while (child!=null) {
|
---|
| 504 | String name = child.getNodeName();
|
---|
| 505 | map.put(name, child);
|
---|
| 506 | child = child.getNextSibling();
|
---|
[3285] | 507 | }
|
---|
[14222] | 508 | return map;
|
---|
| 509 | }
|
---|
| 510 |
|
---|
| 511 | public static NodeList getChildrenByTagName(Node n, String name) {
|
---|
| 512 | MyNodeList node_list = new MyNodeList();
|
---|
| 513 | Node child = n.getFirstChild();
|
---|
| 514 | while (child!=null) {
|
---|
| 515 | if (child.getNodeName().equals(name)) {
|
---|
| 516 | node_list.addNode(child);
|
---|
| 517 | }
|
---|
| 518 | child = child.getNextSibling();
|
---|
[3341] | 519 | }
|
---|
[14222] | 520 | return node_list;
|
---|
| 521 | }
|
---|
| 522 |
|
---|
| 523 |
|
---|
| 524 | /** Duplicates an element, but gives it a new name */
|
---|
| 525 | public static Element duplicateWithNewName(Document owner, Element element,
|
---|
| 526 | String element_name, boolean with_attributes) {
|
---|
| 527 | return duplicateWithNewNameNS(owner, element, element_name, null, with_attributes);
|
---|
| 528 | }
|
---|
| 529 |
|
---|
| 530 | /** Duplicates an element, but gives it a new name */
|
---|
| 531 | public static Element duplicateWithNewNameNS(Document owner,
|
---|
| 532 | Element element,
|
---|
| 533 | String element_name,
|
---|
| 534 | String namespace_uri,
|
---|
| 535 | boolean with_attributes) {
|
---|
| 536 | Element duplicate;
|
---|
| 537 | if (namespace_uri == null) {
|
---|
| 538 | duplicate = owner.createElement(element_name);
|
---|
| 539 | } else {
|
---|
| 540 | duplicate = owner.createElementNS(namespace_uri, element_name);
|
---|
[4941] | 541 | }
|
---|
[14222] | 542 | // Copy element attributes
|
---|
| 543 | if (with_attributes) {
|
---|
| 544 | NamedNodeMap attributes = element.getAttributes();
|
---|
| 545 | for (int i = 0; i < attributes.getLength(); i++) {
|
---|
| 546 | Node attribute = attributes.item(i);
|
---|
| 547 | duplicate.setAttribute(attribute.getNodeName(), attribute.getNodeValue());
|
---|
| 548 | }
|
---|
[3341] | 549 | }
|
---|
[9912] | 550 |
|
---|
[14222] | 551 | // Copy element children
|
---|
| 552 | NodeList children = element.getChildNodes();
|
---|
| 553 | for (int i = 0; i < children.getLength(); i++) {
|
---|
| 554 | Node child = children.item(i);
|
---|
| 555 | duplicate.appendChild(owner.importNode(child, true));
|
---|
[9912] | 556 | }
|
---|
[14222] | 557 |
|
---|
| 558 | return duplicate;
|
---|
| 559 | }
|
---|
| 560 |
|
---|
| 561 | public static void copyAllChildren(Element to, Element from) {
|
---|
| 562 |
|
---|
| 563 | Document to_doc = to.getOwnerDocument();
|
---|
| 564 | Node child = from.getFirstChild();
|
---|
| 565 | while (child != null) {
|
---|
| 566 | to.appendChild(to_doc.importNode(child, true));
|
---|
| 567 | child = child.getNextSibling();
|
---|
[3362] | 568 | }
|
---|
[14222] | 569 | }
|
---|
| 570 | /** returns a basic request message */
|
---|
| 571 | public static Element createBasicRequest(Document owner,
|
---|
| 572 | String request_type, String to,
|
---|
| 573 | String lang,
|
---|
| 574 | String uid) {
|
---|
| 575 | Element request = owner.createElement(REQUEST_ELEM);
|
---|
| 576 | request.setAttribute(TYPE_ATT, request_type);
|
---|
| 577 | request.setAttribute(LANG_ATT, lang);
|
---|
| 578 | request.setAttribute(TO_ATT, to);
|
---|
| 579 | request.setAttribute(USER_ID_ATT, uid);
|
---|
| 580 | return request;
|
---|
| 581 | }
|
---|
| 582 |
|
---|
| 583 | public static Element createTextElement(Document owner, String elem_name,
|
---|
| 584 | String text) {
|
---|
| 585 | Element e = owner.createElement(elem_name);
|
---|
| 586 | Text t = owner.createTextNode(text);
|
---|
| 587 | e.appendChild(t);
|
---|
| 588 | return e;
|
---|
| 589 |
|
---|
| 590 | }
|
---|
| 591 |
|
---|
| 592 | public static Element createDisplayTextElement(Document owner,
|
---|
| 593 | String text_name,
|
---|
| 594 | String text) {
|
---|
| 595 | Element e = owner.createElement(DISPLAY_TEXT_ELEM);
|
---|
| 596 | e.setAttribute(NAME_ATT, text_name);
|
---|
| 597 | Text t = owner.createTextNode(text);
|
---|
| 598 | e.appendChild(t);
|
---|
| 599 | return e;
|
---|
| 600 |
|
---|
| 601 | }
|
---|
| 602 |
|
---|
| 603 |
|
---|
| 604 | public static Element createParameter(Document owner, String name,
|
---|
| 605 | String value) {
|
---|
| 606 | Element param = owner.createElement(PARAM_ELEM);
|
---|
| 607 | param.setAttribute(NAME_ATT, name);
|
---|
| 608 | param.setAttribute(VALUE_ATT, value);
|
---|
| 609 | return param;
|
---|
| 610 | }
|
---|
| 611 |
|
---|
| 612 | public static void addParametersToList(Document owner, Element param_list,
|
---|
| 613 | HashMap params) {
|
---|
| 614 | Set items = params.entrySet();
|
---|
| 615 | Iterator i = items.iterator();
|
---|
| 616 | while(i.hasNext()) {
|
---|
| 617 | Map.Entry m = (Map.Entry)i.next();
|
---|
| 618 | param_list.appendChild(createParameter(owner, (String)m.getKey(), (String)m.getValue()));
|
---|
[9912] | 619 | }
|
---|
[14222] | 620 |
|
---|
| 621 | }
|
---|
| 622 |
|
---|
| 623 | public static Element createParameterDescription(Document owner,
|
---|
| 624 | String id,
|
---|
| 625 | String display_name,
|
---|
| 626 | String type,
|
---|
| 627 | String default_value,
|
---|
| 628 | String []option_ids,
|
---|
| 629 | String []option_names) {
|
---|
| 630 |
|
---|
| 631 |
|
---|
| 632 | Element p = owner.createElement(PARAM_ELEM);
|
---|
| 633 | p.setAttribute(NAME_ATT, id);
|
---|
| 634 | p.setAttribute(TYPE_ATT, type);
|
---|
| 635 | p.appendChild(createDisplayTextElement(owner, GSXML.DISPLAY_TEXT_NAME, display_name));
|
---|
| 636 |
|
---|
| 637 | if (default_value != null) {
|
---|
| 638 | p.setAttribute(DEFAULT_ATT, default_value);
|
---|
[3341] | 639 | }
|
---|
[14222] | 640 | if (option_ids!=null && option_names!=null) {
|
---|
| 641 | for (int i=0; i<option_ids.length; i++) {
|
---|
| 642 | Element e = owner.createElement(PARAM_OPTION_ELEM);
|
---|
| 643 | e.setAttribute(NAME_ATT, option_ids[i]);
|
---|
| 644 | e.appendChild(createDisplayTextElement(owner, GSXML.DISPLAY_TEXT_NAME, option_names[i]));
|
---|
| 645 | p.appendChild(e);
|
---|
| 646 | }
|
---|
[9874] | 647 | }
|
---|
[14222] | 648 | return p;
|
---|
| 649 | }
|
---|
| 650 | public static Element createParameterDescription2(Document owner,
|
---|
| 651 | String id,
|
---|
| 652 | String display_name,
|
---|
| 653 | String type,
|
---|
| 654 | String default_value,
|
---|
| 655 | ArrayList option_ids,
|
---|
| 656 | ArrayList option_names) {
|
---|
| 657 |
|
---|
| 658 |
|
---|
| 659 | Element p = owner.createElement(PARAM_ELEM);
|
---|
| 660 | p.setAttribute(NAME_ATT, id);
|
---|
| 661 | p.setAttribute(TYPE_ATT, type);
|
---|
| 662 | p.appendChild(createDisplayTextElement(owner, GSXML.DISPLAY_TEXT_NAME, display_name));
|
---|
| 663 | if (default_value != null) {
|
---|
| 664 | p.setAttribute(DEFAULT_ATT, default_value);
|
---|
[9874] | 665 | }
|
---|
[14222] | 666 | if (option_ids!=null && option_names!=null) {
|
---|
| 667 | for (int i=0; i<option_ids.size(); i++) {
|
---|
| 668 | Element e = owner.createElement(PARAM_OPTION_ELEM);
|
---|
| 669 | e.setAttribute(NAME_ATT, (String)option_ids.get(i));
|
---|
| 670 | e.appendChild(createDisplayTextElement(owner, GSXML.DISPLAY_TEXT_NAME, (String)option_names.get(i)));
|
---|
| 671 | p.appendChild(e);
|
---|
| 672 | }
|
---|
[3985] | 673 | }
|
---|
[14222] | 674 | return p;
|
---|
| 675 | }
|
---|
| 676 |
|
---|
| 677 |
|
---|
| 678 | /** returns the element parent/node_name[@attribute_name='attribute_value']
|
---|
| 679 | */
|
---|
| 680 | public static Element getNamedElement(Element parent, String node_name,
|
---|
| 681 | String attribute_name,
|
---|
| 682 | String attribute_value) {
|
---|
| 683 |
|
---|
| 684 | NodeList children = parent.getChildNodes();
|
---|
| 685 | for (int i=0; i<children.getLength(); i++) {
|
---|
| 686 | Node child = children.item(i);
|
---|
| 687 | if (child.getNodeName().equals(node_name)) {
|
---|
| 688 | if (((Element)child).getAttribute(attribute_name).equals(attribute_value))
|
---|
| 689 | return (Element)child;
|
---|
| 690 | }
|
---|
[4243] | 691 | }
|
---|
[14222] | 692 | // not found
|
---|
| 693 | return null;
|
---|
| 694 | }
|
---|
| 695 |
|
---|
| 696 | public static int SORT_TYPE_STRING = 0;
|
---|
| 697 | public static int SORT_TYPE_INT = 1;
|
---|
| 698 | public static int SORT_TYPE_FLOAT = 2;
|
---|
| 699 |
|
---|
| 700 | // sort type:
|
---|
| 701 | public static Element insertIntoOrderedList(Element parent_node,
|
---|
| 702 | String node_name,
|
---|
| 703 | Element start_from_elem,
|
---|
| 704 | Element new_elem, String sort_att,
|
---|
| 705 | boolean descending) {
|
---|
| 706 | if (new_elem == null) return null;
|
---|
| 707 | Element cloned_elem = (Element)parent_node.getOwnerDocument().importNode(new_elem, true);
|
---|
| 708 | if (start_from_elem == null) {
|
---|
| 709 | parent_node.appendChild(cloned_elem);
|
---|
| 710 | return cloned_elem;
|
---|
[3907] | 711 | }
|
---|
[4902] | 712 |
|
---|
[14222] | 713 | Node current_node = start_from_elem;
|
---|
| 714 | String insert_att = cloned_elem.getAttribute(sort_att);
|
---|
| 715 | String list_att = start_from_elem.getAttribute(sort_att);
|
---|
| 716 | while ((!descending && list_att.compareTo(insert_att)<0) || (descending && list_att.compareTo(insert_att)>0)) {
|
---|
| 717 | current_node = current_node.getNextSibling();
|
---|
| 718 | if (current_node == null) break; // end of the list
|
---|
| 719 | if (!current_node.getNodeName().equals(node_name)) {
|
---|
| 720 | continue; // not a valid node
|
---|
| 721 | }
|
---|
| 722 | list_att = ((Element)current_node).getAttribute(sort_att);
|
---|
[3341] | 723 | }
|
---|
[14222] | 724 |
|
---|
| 725 | parent_node.insertBefore(cloned_elem, current_node);
|
---|
| 726 | return cloned_elem;
|
---|
| 727 | }
|
---|
| 728 |
|
---|
| 729 |
|
---|
| 730 | /** Returns the appropriate language element from a display elem,
|
---|
| 731 | * display is the containing element, name is the name of the element to
|
---|
| 732 | * look for, lang is the preferred language, lang_default is the fall back
|
---|
| 733 | * lang if neither lang is found, will return the first one it finds*/
|
---|
| 734 | public static String getDisplayText(Element display, String name,
|
---|
| 735 | String lang, String lang_default) {
|
---|
| 736 |
|
---|
| 737 | String def = null;
|
---|
| 738 | String first = null;
|
---|
| 739 | NodeList elems = display.getElementsByTagName(DISPLAY_TEXT_ELEM);
|
---|
| 740 | if (elems.getLength() == 0) return "";
|
---|
| 741 | for (int i=0; i<elems.getLength(); i++) {
|
---|
| 742 | Element e = (Element)elems.item(i);
|
---|
| 743 | String n = e.getAttribute(NAME_ATT);
|
---|
| 744 | if (name.equals(n)) {
|
---|
| 745 | String l = e.getAttribute(LANG_ATT);
|
---|
| 746 | if (lang.equals(l)) {
|
---|
| 747 | return getNodeText(e);
|
---|
| 748 | } else if (lang_default.equals(l)) {
|
---|
| 749 | def = getNodeText(e);
|
---|
| 750 | } else if (first == null) {
|
---|
| 751 | first = getNodeText(e);
|
---|
| 752 | }
|
---|
| 753 | } else {
|
---|
| 754 | continue;
|
---|
| 755 | }
|
---|
[4902] | 756 | }
|
---|
[14222] | 757 |
|
---|
| 758 | if (def != null) {
|
---|
| 759 | return def;
|
---|
[4100] | 760 | }
|
---|
[14222] | 761 | if (first != null) {
|
---|
| 762 | return first;
|
---|
[4978] | 763 | }
|
---|
[14222] | 764 | return "";
|
---|
| 765 | }
|
---|
| 766 |
|
---|
| 767 | // replaces < > " ' & in the original with their entities
|
---|
| 768 | public static String xmlSafe(String original) {
|
---|
| 769 |
|
---|
| 770 | StringBuffer filtered = new StringBuffer(original.length());
|
---|
| 771 | char c;
|
---|
| 772 | for (int i=0; i<original.length(); i++) {
|
---|
| 773 | c = original.charAt(i);
|
---|
| 774 | if (c == '>') {
|
---|
| 775 | filtered.append(">");
|
---|
| 776 | } else if (c == '<') {
|
---|
| 777 | filtered.append("<");
|
---|
| 778 | } else if (c == '"') {
|
---|
| 779 | filtered.append(""");
|
---|
| 780 | } else if (c == '&') {
|
---|
| 781 | filtered.append("&");
|
---|
| 782 | } else if (c == '\'') {
|
---|
| 783 | filtered.append("'");
|
---|
| 784 | } else {
|
---|
| 785 | filtered.append(c);
|
---|
| 786 | }
|
---|
[3362] | 787 | }
|
---|
[14222] | 788 | return filtered.toString();
|
---|
| 789 | }
|
---|
| 790 |
|
---|
| 791 |
|
---|
| 792 | // replaces < > " ' & entities with their originals
|
---|
| 793 | public static String unXmlSafe(String original) {
|
---|
| 794 |
|
---|
| 795 | StringBuffer filtered = new StringBuffer(original.length());
|
---|
| 796 | char c;
|
---|
| 797 | for (int i=0; i<original.length(); i++) {
|
---|
| 798 | c = original.charAt(i);
|
---|
| 799 | if (c == '&') {
|
---|
| 800 | int pos = original.indexOf(";", i);
|
---|
| 801 | String entity = original.substring(i+1, pos);
|
---|
| 802 | if (entity.equals("gt")) {
|
---|
| 803 | filtered.append(">");
|
---|
| 804 | } else if (entity.equals("lt")) {
|
---|
| 805 | filtered.append("<");
|
---|
| 806 | } else if (entity.equals("apos")) {
|
---|
| 807 | filtered.append("'");
|
---|
| 808 | } else if (entity.equals("amp")) {
|
---|
| 809 | filtered.append("&");
|
---|
| 810 | } else if (entity.equals("quot")) {
|
---|
| 811 | filtered.append("\"");
|
---|
| 812 | } else {
|
---|
| 813 | filtered.append("&"+entity+";");
|
---|
| 814 | }
|
---|
| 815 | i = pos;
|
---|
| 816 | } else {
|
---|
| 817 | filtered.append(c);
|
---|
| 818 | }
|
---|
[9005] | 819 | }
|
---|
[14222] | 820 | return filtered.toString();
|
---|
| 821 | }
|
---|
| 822 |
|
---|
| 823 | public static void printXMLNode(Node e) {
|
---|
| 824 | printXMLNode(e, 0) ;
|
---|
| 825 | }
|
---|
| 826 |
|
---|
| 827 | public static String xmlNodeToString(Node e){
|
---|
| 828 | StringBuffer sb = new StringBuffer("");
|
---|
| 829 | xmlNodeToString(sb,e,0);
|
---|
| 830 | return sb.toString();
|
---|
| 831 | }
|
---|
| 832 |
|
---|
| 833 | private static void xmlNodeToString(StringBuffer sb, Node e, int depth){
|
---|
| 834 |
|
---|
| 835 | for (int i=0 ; i<depth ; i++)
|
---|
| 836 | sb.append(' ') ;
|
---|
| 837 |
|
---|
| 838 | if (e.getNodeType() == Node.TEXT_NODE){
|
---|
| 839 | sb.append("text") ;
|
---|
| 840 | return ;
|
---|
[3466] | 841 | }
|
---|
[9005] | 842 |
|
---|
[14222] | 843 | sb.append('<');
|
---|
| 844 | sb.append(e.getNodeName());
|
---|
| 845 | NamedNodeMap attrs = e.getAttributes();
|
---|
| 846 | for (int i = 0; i < attrs.getLength(); i++) {
|
---|
| 847 | Node attr = attrs.item(i);
|
---|
| 848 | sb.append(' ');
|
---|
| 849 | sb.append(attr.getNodeName());
|
---|
| 850 | sb.append("=\"");
|
---|
| 851 | sb.append(attr.getNodeValue());
|
---|
| 852 | sb.append('"');
|
---|
[9005] | 853 | }
|
---|
[14222] | 854 |
|
---|
| 855 | NodeList children = e.getChildNodes();
|
---|
| 856 |
|
---|
| 857 | if (children == null || children.getLength() == 0)
|
---|
| 858 | sb.append("/>\n") ;
|
---|
| 859 | else {
|
---|
| 860 |
|
---|
| 861 | sb.append(">\n") ;
|
---|
| 862 |
|
---|
| 863 | int len = children.getLength();
|
---|
| 864 | for (int i = 0; i < len; i++) {
|
---|
| 865 | xmlNodeToString(sb,children.item(i), depth + 1);
|
---|
| 866 | }
|
---|
| 867 |
|
---|
| 868 | for (int i=0 ; i<depth ; i++)
|
---|
| 869 | sb.append(' ') ;
|
---|
| 870 |
|
---|
| 871 | sb.append("</" + e.getNodeName() + ">\n");
|
---|
[3850] | 872 | }
|
---|
[4902] | 873 |
|
---|
[14222] | 874 |
|
---|
| 875 | }
|
---|
| 876 |
|
---|
| 877 | public static void printXMLNode(Node e, int depth) { //recursive method call using DOM API...
|
---|
| 878 |
|
---|
| 879 | for (int i=0 ; i<depth ; i++)
|
---|
| 880 | System.out.print(' ') ;
|
---|
| 881 |
|
---|
| 882 | if (e.getNodeType() == Node.TEXT_NODE){
|
---|
| 883 | // shouldn't we actually print the text here????
|
---|
| 884 | System.out.println("text") ;
|
---|
| 885 | return ;
|
---|
[3600] | 886 | }
|
---|
[5110] | 887 |
|
---|
[14222] | 888 | System.out.print('<');
|
---|
| 889 | System.out.print(e.getNodeName());
|
---|
| 890 | NamedNodeMap attrs = e.getAttributes();
|
---|
| 891 | for (int i = 0; i < attrs.getLength(); i++) {
|
---|
| 892 | Node attr = attrs.item(i);
|
---|
| 893 | System.out.print(' ');
|
---|
| 894 | System.out.print(attr.getNodeName());
|
---|
| 895 | System.out.print("=\"");
|
---|
| 896 | System.out.print(attr.getNodeValue());
|
---|
| 897 | System.out.print('"');
|
---|
[10616] | 898 | }
|
---|
[14222] | 899 |
|
---|
| 900 | NodeList children = e.getChildNodes();
|
---|
| 901 |
|
---|
| 902 | if (children == null || children.getLength() == 0)
|
---|
| 903 | System.out.println("/>") ;
|
---|
| 904 | else {
|
---|
| 905 |
|
---|
| 906 | System.out.println('>') ;
|
---|
| 907 |
|
---|
| 908 | int len = children.getLength();
|
---|
| 909 | for (int i = 0; i < len; i++) {
|
---|
| 910 | printXMLNode(children.item(i), depth + 1);
|
---|
| 911 | }
|
---|
| 912 |
|
---|
| 913 | for (int i=0 ; i<depth ; i++)
|
---|
| 914 | System.out.print(' ') ;
|
---|
| 915 |
|
---|
| 916 | System.out.println("</" + e.getNodeName() + ">");
|
---|
[13541] | 917 | }
|
---|
[14222] | 918 |
|
---|
| 919 | }
|
---|
[3285] | 920 | }
|
---|