[3340] | 1 | package org.greenstone.gsdl3.action;
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| 2 |
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[27617] | 3 | import java.io.Serializable;
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| 4 | import java.util.HashMap;
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| 5 |
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| 6 | import org.apache.log4j.Logger;
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[32649] | 7 | import org.greenstone.gsdl3.service.CollectionGroups;
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[27617] | 8 | import org.greenstone.gsdl3.util.GSParams;
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| 9 | import org.greenstone.gsdl3.util.GSPath;
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| 10 | import org.greenstone.gsdl3.util.GSXML;
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| 11 | import org.greenstone.gsdl3.util.UserContext;
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[28964] | 12 | import org.greenstone.gsdl3.util.XMLConverter;
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[22085] | 13 | import org.greenstone.util.GlobalProperties;
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[28382] | 14 | import org.w3c.dom.Document;
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[27617] | 15 | import org.w3c.dom.Element;
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[24989] | 16 | import org.w3c.dom.Node;
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[19984] | 17 | import org.w3c.dom.NodeList;
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[3340] | 18 |
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[24989] | 19 | public class PageAction extends Action
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| 20 | {
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[14395] | 21 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.action.PageAction.class.getName());
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[14311] | 22 |
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[14395] | 23 | public static final String HOME_PAGE = "home";
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| 24 | public static final String ABOUT_PAGE = "about";
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| 25 | public static final String PREFS_PAGE = "pref";
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[24989] | 26 | public static final String GLI4GS3_PAGE = "gli4gs3";
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[3987] | 27 |
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[32649] | 28 | // this gets set to the groupInfo service name if there is one.
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| 29 | protected String groupInfoServiceName = null;
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| 30 |
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[24989] | 31 | public Node process(Node message_node)
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[30540] | 32 |
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[24989] | 33 | {
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[28964] | 34 | Element message = GSXML.nodeToElement(message_node);
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| 35 | Document doc = XMLConverter.newDOM();
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[28382] | 36 |
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[25991] | 37 | Element request = (Element) GSXML.getChildByTagName(message, GSXML.REQUEST_ELEM);
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| 38 | Element paramList = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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| 39 | String collection = "";
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[27617] | 40 | if (paramList != null)
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[25991] | 41 | {
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| 42 | HashMap<String, Serializable> params = GSXML.extractParams(paramList, false);
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| 43 | if (params != null && params.get(GSParams.COLLECTION) != null)
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| 44 | {
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| 45 | collection = (String) params.get(GSParams.COLLECTION);
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| 46 | }
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| 47 | }
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[16688] | 48 |
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[24989] | 49 | // the page name is the subaction
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| 50 | String page_name = request.getAttribute(GSXML.SUBACTION_ATT);
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| 51 | if (page_name.equals(""))
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| 52 | { // if no page specified, assume home page
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| 53 | page_name = HOME_PAGE;
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| 54 | }
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[28382] | 55 | Element result = doc.createElement(GSXML.MESSAGE_ELEM);
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[24989] | 56 | Element response;
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| 57 | if (page_name.equals(HOME_PAGE))
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| 58 | {
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[28855] | 59 | response = homePage(request);
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[24989] | 60 | //} else if (page_name.equals(ABOUT_PAGE)) {
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| 61 | }
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| 62 | else if (page_name.equals(ABOUT_PAGE) || page_name.equals(PREFS_PAGE))
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| 63 | {
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[32549] | 64 | response = aboutOrPrefsPage(request, page_name);
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[24989] | 65 | }
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| 66 | else if (page_name.equals(GLI4GS3_PAGE))
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| 67 | {
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[28855] | 68 | response = gli4gs3Page(request);
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[24989] | 69 | }
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| 70 | else
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| 71 | { // unknown page
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[28855] | 72 | response = unknownPage(request);
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[24989] | 73 | }
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| 74 |
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[28382] | 75 | Element formatMessage = doc.createElement(GSXML.MESSAGE_ELEM);
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| 76 | Element formatRequest = GSXML.createBasicRequest(doc, GSXML.REQUEST_TYPE_FORMAT, collection, new UserContext(request));
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[25991] | 77 | formatMessage.appendChild(formatRequest);
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| 78 | Element formatResponseMessage = (Element) this.mr.process(formatMessage);
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| 79 | Element formatResponse = (Element) GSXML.getChildByTagName(formatResponseMessage, GSXML.RESPONSE_ELEM);
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| 80 |
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| 81 | Element globalFormat = (Element) GSXML.getChildByTagName(formatResponse, GSXML.FORMAT_ELEM);
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| 82 | if (globalFormat != null)
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| 83 | {
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[28855] | 84 | response.appendChild(response.getOwnerDocument().importNode(globalFormat, true));
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[25991] | 85 | }
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| 86 |
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[28382] | 87 | result.appendChild(doc.importNode(response, true));
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[24989] | 88 | logger.debug("page action result: " + this.converter.getPrettyString(result));
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[27617] | 89 |
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[24989] | 90 | return result;
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[11230] | 91 | }
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[3568] | 92 |
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[28855] | 93 | protected Element homePage(Element request)
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[24989] | 94 | {
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[28964] | 95 | Document doc = XMLConverter.newDOM();
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[28382] | 96 |
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[30540] | 97 |
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[24993] | 98 | UserContext userContext = new UserContext(request);
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[14395] | 99 | // first, get the message router info
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[28382] | 100 | Element info_message = doc.createElement(GSXML.MESSAGE_ELEM);
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[30540] | 101 | Element info_request = GSXML.createBasicRequest(doc, GSXML.REQUEST_TYPE_DESCRIBE, "", userContext);
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| 102 | //Create param list
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| 103 | Element param_list_element = doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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| 104 | info_request.appendChild(param_list_element);
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| 105 | //Describe params without collectionlist. Collectionlist provided by CollectionGroup service
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| 106 | GSXML.addParameterToList(param_list_element, GSXML.SUBSET_PARAM, GSXML.CLUSTER_ELEM + GSXML.LIST_MODIFIER);
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| 107 | GSXML.addParameterToList(param_list_element, GSXML.SUBSET_PARAM, GSXML.SERVICE_ELEM + GSXML.LIST_MODIFIER);
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| 108 | GSXML.addParameterToList(param_list_element, GSXML.SUBSET_PARAM, GSXML.SITE_ELEM + GSXML.LIST_MODIFIER);
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| 109 | GSXML.addParameterToList(param_list_element, GSXML.SUBSET_PARAM, GSXML.METADATA_ELEM + GSXML.LIST_MODIFIER);
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[30836] | 110 | GSXML.addParameterToList(param_list_element, GSXML.SUBSET_PARAM, GSXML.DISPLAY_TEXT_ELEM + GSXML.LIST_MODIFIER);
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[30540] | 111 | info_message.appendChild(info_request);
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| 112 | //Send request to message router
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[24989] | 113 | Element info_response_message = (Element) this.mr.process(info_message);
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[30540] | 114 | //Check if it is not null
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[24989] | 115 | if (info_response_message == null)
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| 116 | {
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[14395] | 117 | logger.error(" couldn't query the message router!");
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| 118 | return null;
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| 119 | }
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[30540] | 120 | //Check if it is not null
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[24989] | 121 | Element info_response = (Element) GSXML.getChildByTagName(info_response_message, GSXML.RESPONSE_ELEM);
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| 122 | if (info_response == null)
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| 123 | {
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[14395] | 124 | logger.error("couldn't query the message router!");
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| 125 | return null;
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| 126 | }
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[32649] | 127 |
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| 128 | // import it into our current doc.
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| 129 | info_response = (Element) doc.importNode(info_response, true);
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[30540] | 130 |
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| 131 | Element resp_service_list = (Element) GSXML.getChildByTagName(info_response, GSXML.SERVICE_ELEM + GSXML.LIST_MODIFIER);
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[32649] | 132 |
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| 133 | // TODO - is this true? can we run with no MR services? can't we still query for the collections/MR info?
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[30540] | 134 | if (resp_service_list == null) {
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| 135 | logger.error("No services available. Couldn't query the message router!");
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| 136 | return null;
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| 137 | }
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[32649] | 138 |
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| 139 | // if we haven't done so already, check for group info type service
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| 140 | if (this.groupInfoServiceName == null) {
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| 141 |
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| 142 | Element groupInfoService = GSXML.getNamedElement(resp_service_list, GSXML.SERVICE_ELEM, GSXML.NAME_ATT,
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| 143 | CollectionGroups.GROUP_CONTENT);
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| 144 |
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| 145 | if (groupInfoService != null) {
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| 146 | this.groupInfoServiceName = CollectionGroups.GROUP_CONTENT;
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| 147 | } else {
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| 148 | this.groupInfoServiceName = "NO_GROUPS";
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| 149 | }
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| 150 | }
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| 151 |
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| 152 | if (!this.groupInfoServiceName.equals("NO_GROUPS")) {
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| 153 |
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| 154 | String group = null;
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| 155 | Element cgi_paramList = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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| 156 | HashMap<String, Serializable> params = GSXML.extractParams(cgi_paramList, false);
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| 157 | if (params != null) {
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| 158 | group = (String) params.get(GSParams.GROUP);
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[32768] | 159 | if (group != null && group.equals("")) {
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[32649] | 160 | group = null;
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| 161 | }
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| 162 | }
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| 163 |
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| 164 | Element group_info_response = getGroupInfo(group, userContext);
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| 165 |
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| 166 | // Add all the needed parts of the response to the main page response
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| 167 | Element collection_list = (Element) GSXML.getChildByTagName(group_info_response,
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| 168 | GSXML.COLLECTION_ELEM + GSXML.LIST_MODIFIER);
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| 169 |
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| 170 | if (collection_list != null) {
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| 171 | info_response.appendChild(doc.importNode(collection_list, true));
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| 172 | }
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| 173 | Element group_list = (Element) GSXML.getChildByTagName(group_info_response,
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| 174 | GSXML.GROUP_ELEM + GSXML.LIST_MODIFIER);
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| 175 | if (group_list != null) {
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| 176 | info_response.appendChild(doc.importNode(group_list, true));
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| 177 | }
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| 178 | Element path_list = (Element) GSXML.getChildByTagName(group_info_response,
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| 179 | GSXML.PATH_ELEM + GSXML.LIST_MODIFIER);
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| 180 | if (path_list != null) {
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| 181 | info_response.appendChild(doc.importNode(path_list, true));
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| 182 | }
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| 183 |
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[30540] | 184 | } else {
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[32649] | 185 |
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[30540] | 186 | // If no service with type SERVICE_TYPE_GROUPINFO could be provided
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| 187 | // request message router for all available collections
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| 188 | GSXML.addParameterToList(param_list_element, GSXML.SUBSET_PARAM,
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| 189 | GSXML.COLLECTION_ELEM + GSXML.LIST_MODIFIER);
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| 190 | info_response_message = (Element) this.mr.process(info_message);
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[14395] | 191 |
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[30540] | 192 | if (info_response_message == null) {
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| 193 | logger.error(" couldn't query the message router!");
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| 194 | return null;
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| 195 | }
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| 196 | info_response = (Element) GSXML.getChildByTagName(info_response_message, GSXML.RESPONSE_ELEM);
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| 197 | if (info_response == null) {
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| 198 | logger.error("couldn't query the message router!");
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| 199 | return null;
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| 200 | }
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| 201 | }
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| 202 |
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[14395] | 203 | // second, get the metadata for each collection - we only want specific
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| 204 | // elements but for now, we'll just get it all
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[24989] | 205 | Element collection_list = (Element) GSXML.getChildByTagName(info_response, GSXML.COLLECTION_ELEM + GSXML.LIST_MODIFIER);
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| 206 | if (collection_list != null)
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| 207 | {
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[14395] | 208 | NodeList colls = GSXML.getChildrenByTagName(collection_list, GSXML.COLLECTION_ELEM);
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[24989] | 209 | if (colls.getLength() > 0)
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| 210 | {
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[28382] | 211 | sendMultipleRequests(doc, colls, null, GSXML.REQUEST_TYPE_DESCRIBE, userContext);
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[14395] | 212 | }
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| 213 | }
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| 214 |
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| 215 | // get metadata for any services
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[24989] | 216 | Element service_list = (Element) GSXML.getChildByTagName(info_response, GSXML.SERVICE_ELEM + GSXML.LIST_MODIFIER);
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| 217 | if (service_list != null)
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| 218 | {
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[14395] | 219 | NodeList services = GSXML.getChildrenByTagName(service_list, GSXML.SERVICE_ELEM);
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[24989] | 220 | if (services.getLength() > 0)
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| 221 | {
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[28382] | 222 | sendMultipleRequests(doc, services, null, GSXML.REQUEST_TYPE_DESCRIBE, userContext);
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[14395] | 223 | }
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| 224 | }
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| 225 |
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| 226 | // get metadata for service clusters
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[24989] | 227 | Element cluster_list = (Element) GSXML.getChildByTagName(info_response, GSXML.CLUSTER_ELEM + GSXML.LIST_MODIFIER);
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| 228 | if (cluster_list != null)
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| 229 | {
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[14395] | 230 | NodeList clusters = GSXML.getChildrenByTagName(cluster_list, GSXML.CLUSTER_ELEM);
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[24989] | 231 | if (clusters.getLength() > 0)
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| 232 | {
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[28382] | 233 | sendMultipleRequests(doc, clusters, null, GSXML.REQUEST_TYPE_DESCRIBE, userContext);
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[14395] | 234 |
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| 235 | }
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| 236 | }
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| 237 |
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[27143] | 238 | addSiteMetadata(info_response, userContext);
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| 239 | addInterfaceOptions(info_response);
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[14395] | 240 | // all the components have been merged into info_response
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| 241 | return info_response;
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| 242 |
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| 243 | } // homePage
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| 244 |
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[32649] | 245 | /** sends a request to GroupCurrentContent service to get group info. null group will give top level info,
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| 246 | otherwise will just give info for specified group */
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| 247 | protected Element getGroupInfo(String group, UserContext userContext) {
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| 248 | Document doc = XMLConverter.newDOM();
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| 249 | // collections and groups list
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| 250 | Element group_info_message = doc.createElement(GSXML.MESSAGE_ELEM);
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| 251 | Element group_info_request = GSXML.createBasicRequest(doc, GSXML.TO_ATT,
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| 252 | groupInfoServiceName, userContext);
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| 253 | group_info_message.appendChild(group_info_request);
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| 254 | if (group != null) {
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| 255 | Element param_list = doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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| 256 | GSXML.addParameterToList(param_list, GSParams.GROUP, group);
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| 257 | group_info_request.appendChild(param_list);
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| 258 | }
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| 259 | // send off the request
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| 260 | Element group_info_response_message = (Element) this.mr.process(group_info_message);
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| 261 | Element group_info_response = (Element) GSXML.getChildByTagName(group_info_response_message,
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| 262 | GSXML.RESPONSE_ELEM);
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| 263 | return group_info_response;
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| 264 | }
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| 265 |
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[32549] | 266 | protected Element aboutOrPrefsPage(Element request, String page_name)
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[24989] | 267 | {
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[28964] | 268 | Document doc = XMLConverter.newDOM();
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[28382] | 269 |
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[24993] | 270 | UserContext userContext = new UserContext(request);
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[14395] | 271 | // extract the params from the cgi-request,
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[24989] | 272 | Element cgi_paramList = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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[25635] | 273 | HashMap<String, Serializable> params = GSXML.extractParams(cgi_paramList, false);
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[24989] | 274 |
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| 275 | String coll_name = (String) params.get(GSParams.COLLECTION);
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| 276 | if (coll_name == null || coll_name.equals(""))
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| 277 | {
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[32549] | 278 | // return a response with no collection info - must be prefs from home page
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[28382] | 279 | Element response = doc.createElement(GSXML.RESPONSE_ELEM);
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[24993] | 280 | addSiteMetadata(response, userContext);
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[25128] | 281 | addInterfaceOptions(response);
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[32549] | 282 | if (this.language_list != null) {
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| 283 | response.appendChild(doc.importNode(this.language_list, true));
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| 284 | }
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[19984] | 285 | return response;
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[14395] | 286 | }
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[3340] | 287 |
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[14395] | 288 | // get the collection or cluster description
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[28382] | 289 | Element coll_about_message = doc.createElement(GSXML.MESSAGE_ELEM);
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[3340] | 290 |
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[28382] | 291 | Element coll_about_request = GSXML.createBasicRequest(doc, GSXML.REQUEST_TYPE_DESCRIBE, coll_name, userContext);
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[14395] | 292 | coll_about_message.appendChild(coll_about_request);
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[24989] | 293 | Element coll_about_response = (Element) this.mr.process(coll_about_message);
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[14395] | 294 |
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[14642] | 295 | // add collection type attribute to paramList
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| 296 | String col_type = "";
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[24989] | 297 | NodeList collect_elem = coll_about_response.getElementsByTagName(GSXML.COLLECTION_ELEM);
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| 298 | if (collect_elem.getLength() != 0)
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| 299 | {
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| 300 | for (int i = 0; i < collect_elem.getLength(); i++)
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| 301 | {
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| 302 | Element e = (Element) collect_elem.item(i);
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| 303 | col_type = e.getAttribute(GSXML.TYPE_ATT);
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| 304 | }
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| 305 | }
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| 306 | else
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| 307 | {
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[14642] | 308 | logger.error(GSXML.COLLECTION_ELEM + " element is null");
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| 309 | }
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[24989] | 310 |
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[31872] | 311 | // adding a ct param to paramlist. only needed for gs2 interface, not default
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| 312 | NodeList paramList_list = request.getElementsByTagName(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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| 313 | if (paramList_list.getLength() != 0)
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[24989] | 314 | {
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[31872] | 315 | for (int i = 0; i < paramList_list.getLength(); i++)
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[24989] | 316 | {
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[31872] | 317 | Element e = (Element) paramList_list.item(i);
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[24989] | 318 | Element ct = GSXML.createParameter(request.getOwnerDocument(), GSParams.COLLECTION_TYPE, col_type.equalsIgnoreCase("mg") ? "0" : "1");
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| 319 | e.appendChild(ct);
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| 320 | }
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| 321 | }
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| 322 | else
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| 323 | {
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[14642] | 324 | logger.info("paramList is null!!");
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[24989] | 325 | }
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| 326 |
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| 327 | if (coll_about_response == null)
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| 328 | {
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[14395] | 329 | return null;
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| 330 | }
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[19984] | 331 |
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[14395] | 332 | // second, get the info for each service - we only want display items
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| 333 | // but for now, we'll just get it all
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| 334 | NodeList services = coll_about_response.getElementsByTagName(GSXML.SERVICE_ELEM);
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[24989] | 335 | if (services.getLength() > 0)
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| 336 | {
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[28382] | 337 | sendMultipleRequests(doc, services, coll_name, GSXML.REQUEST_TYPE_DESCRIBE, userContext);
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[14395] | 338 | }
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| 339 |
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| 340 | Element response = (Element) GSXML.getChildByTagName(coll_about_response, GSXML.RESPONSE_ELEM);
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[32649] | 341 |
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| 342 | // is this collection part of a group?
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| 343 | String group = (String) params.get(GSParams.GROUP);
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| 344 | if (group != null && !group.equals("")) {
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| 345 | // ...yes it is. get the group path info
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| 346 | Element group_info_response = getGroupInfo(group, userContext);
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| 347 | Element path_list = (Element) GSXML.getChildByTagName(group_info_response,
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| 348 | GSXML.PATH_ELEM + GSXML.LIST_MODIFIER);
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| 349 | if (path_list != null) {
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| 350 | response.appendChild(response.getOwnerDocument().importNode(path_list, true));
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| 351 | }
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| 352 | }
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| 353 |
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[19984] | 354 | //add the site metadata
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[24993] | 355 | addSiteMetadata(response, userContext);
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[25128] | 356 | addInterfaceOptions(response);
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[32549] | 357 | if (page_name.equals(PREFS_PAGE) && this.language_list != null) {
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| 358 | response.appendChild(response.getOwnerDocument().importNode(this.language_list, true));
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| 359 | }
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[14395] | 360 | return response;
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[3467] | 361 | }
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[24989] | 362 |
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| 363 |
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[14395] | 364 | /** if we dont know the page type, use this method */
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[24989] | 365 | protected Element unknownPage(Element request)
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| 366 | {
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[28964] | 367 | Document doc = XMLConverter.newDOM();
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[28382] | 368 |
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[24993] | 369 | UserContext userContext = new UserContext(request);
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[14395] | 370 | String page_name = request.getAttribute(GSXML.SUBACTION_ATT);
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[4155] | 371 |
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[14395] | 372 | // extract the params from the cgi-request,
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[24989] | 373 | Element cgi_paramList = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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[25635] | 374 | HashMap<String, Serializable> params = GSXML.extractParams(cgi_paramList, false);
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[4950] | 375 |
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[24989] | 376 | String coll_name = (String) params.get(GSParams.COLLECTION);
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| 377 | if (coll_name == null || coll_name.equals(""))
|
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| 378 | {
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[14395] | 379 | // just return an empty response
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[28382] | 380 | Element response = doc.createElement(GSXML.RESPONSE_ELEM);
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[24993] | 381 | addSiteMetadata(response, userContext);
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[25128] | 382 | addInterfaceOptions(response);
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[19984] | 383 | return response;
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[14395] | 384 | }
|
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[5147] | 385 |
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[14395] | 386 | // else get the coll description - actually this is the same as for the about page - should we merge these two methods??
|
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[4155] | 387 |
|
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[14395] | 388 | // if there is a service specified should we get the service description instead??
|
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| 389 | // get the collection or cluster description
|
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[28382] | 390 | Element coll_about_message = doc.createElement(GSXML.MESSAGE_ELEM);
|
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[14395] | 391 |
|
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[28382] | 392 | Element coll_about_request = GSXML.createBasicRequest(doc, GSXML.REQUEST_TYPE_DESCRIBE, coll_name, userContext);
|
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[14395] | 393 | coll_about_message.appendChild(coll_about_request);
|
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| 394 |
|
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[24989] | 395 | Element coll_about_response = (Element) this.mr.process(coll_about_message);
|
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| 396 |
|
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[14395] | 397 | Element response = (Element) GSXML.getChildByTagName(coll_about_response, GSXML.RESPONSE_ELEM);
|
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[19984] | 398 |
|
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| 399 | //add the site metadata
|
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[24993] | 400 | addSiteMetadata(response, userContext);
|
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[25128] | 401 | addInterfaceOptions(response);
|
---|
[19984] | 402 |
|
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[14395] | 403 | return response;
|
---|
| 404 |
|
---|
[4257] | 405 | }
|
---|
[4155] | 406 |
|
---|
[28382] | 407 | protected boolean sendMultipleRequests(Document doc, NodeList items, String path_prefix, String request_type, UserContext userContext)
|
---|
[24989] | 408 | {
|
---|
[14395] | 409 | // we will send all the requests in a single message
|
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[28382] | 410 | Element message = doc.createElement(GSXML.MESSAGE_ELEM);
|
---|
[24989] | 411 | for (int i = 0; i < items.getLength(); i++)
|
---|
| 412 | {
|
---|
| 413 | Element c = (Element) items.item(i);
|
---|
| 414 | String path = c.getAttribute(GSXML.NAME_ATT);
|
---|
| 415 | if (path_prefix != null)
|
---|
| 416 | {
|
---|
[14395] | 417 | path = GSPath.appendLink(path_prefix, path);
|
---|
| 418 | }
|
---|
[28382] | 419 | Element request = GSXML.createBasicRequest(doc, request_type, path, userContext);
|
---|
[14395] | 420 | message.appendChild(request);
|
---|
| 421 | }
|
---|
[11230] | 422 |
|
---|
[24989] | 423 | Element response_message = (Element) this.mr.process(message);
|
---|
| 424 |
|
---|
[14395] | 425 | NodeList responses = response_message.getElementsByTagName(GSXML.RESPONSE_ELEM);
|
---|
| 426 | // check that have same number of responses as requests
|
---|
[24989] | 427 | if (items.getLength() != responses.getLength())
|
---|
| 428 | {
|
---|
[14395] | 429 | logger.error("didn't get a response for each request - somethings gone wrong!");
|
---|
| 430 | return false;
|
---|
[24989] | 431 | }
|
---|
[14395] | 432 |
|
---|
[24989] | 433 | for (int i = 0; i < items.getLength(); i++)
|
---|
| 434 | {
|
---|
| 435 | Element c1 = (Element) items.item(i);
|
---|
| 436 | Element c2 = (Element) GSXML.getChildByTagName((Element) responses.item(i), c1.getTagName());
|
---|
| 437 | if (c1 != null && c2 != null && c1.getAttribute(GSXML.NAME_ATT).endsWith(c2.getAttribute(GSXML.NAME_ATT)))
|
---|
| 438 | {
|
---|
[14395] | 439 | //add the new data into the original element
|
---|
| 440 | GSXML.mergeElements(c1, c2);
|
---|
[24989] | 441 | }
|
---|
| 442 | else
|
---|
| 443 | {
|
---|
[19641] | 444 | logger.debug(" response does not correspond to request!");
|
---|
[24989] | 445 | }
|
---|
| 446 |
|
---|
[14395] | 447 | }
|
---|
| 448 |
|
---|
| 449 | return true;
|
---|
| 450 |
|
---|
[11230] | 451 | }
|
---|
[14311] | 452 |
|
---|
[24989] | 453 | protected Element gli4gs3Page(Element request)
|
---|
| 454 | {
|
---|
[28964] | 455 | Document doc = XMLConverter.newDOM();
|
---|
[28382] | 456 |
|
---|
[14395] | 457 | String lang = request.getAttribute(GSXML.LANG_ATT);
|
---|
| 458 | String uid = request.getAttribute(GSXML.USER_ID_ATT);
|
---|
[14311] | 459 |
|
---|
[28382] | 460 | Element page_response = doc.createElement(GSXML.RESPONSE_ELEM);
|
---|
[14311] | 461 |
|
---|
[28382] | 462 | Element applet_elem = doc.createElement("Applet");
|
---|
[14395] | 463 | page_response.appendChild(applet_elem);
|
---|
[32127] | 464 | applet_elem.setAttribute("ARCHIVE", "SignedGatherer.jar"); // SignedGatherer.jar should be placed in web/applet.
|
---|
[32138] | 465 | applet_elem.setAttribute("CODE", "org.greenstone.gatherer.WebGatherer");
|
---|
[32127] | 466 | applet_elem.setAttribute("CODEBASE", "applet"); // SignedGatherer.jar is in web/applet. But CODEBASE is the *URL* path to the (jar) file containing the main class, and is relative to documentroot "web".
|
---|
[24989] | 467 | applet_elem.setAttribute("HEIGHT", "50");
|
---|
| 468 | applet_elem.setAttribute("WIDTH", "380");
|
---|
[32127] | 469 |
|
---|
[28382] | 470 | Element gwcgi_param_elem = doc.createElement("PARAM");
|
---|
[24989] | 471 | gwcgi_param_elem.setAttribute("name", "gwcgi");
|
---|
| 472 | String library_name = GlobalProperties.getGSDL3WebAddress();
|
---|
| 473 | gwcgi_param_elem.setAttribute("value", library_name);
|
---|
[14395] | 474 | applet_elem.appendChild(gwcgi_param_elem);
|
---|
| 475 |
|
---|
[28382] | 476 | Element gsdl3_param_elem = doc.createElement("PARAM");
|
---|
[24989] | 477 | gsdl3_param_elem.setAttribute("name", "gsdl3");
|
---|
| 478 | gsdl3_param_elem.setAttribute("value", "true");
|
---|
[14395] | 479 | applet_elem.appendChild(gsdl3_param_elem);
|
---|
[32136] | 480 |
|
---|
| 481 | // When an applet doesn't work in the browser, set the default display text to provide a link to the JNLP file to run with Java Web Start
|
---|
| 482 | // The display text will be:
|
---|
[32141] | 483 | // Applets don't seem to work in your browser. In place of the GLI Applet, try running its alternative <a href="applet/GLIappWebStart.jnlp">Java Web Start (JNLP) version</a>
|
---|
[32136] | 484 | Node default_text = doc.createTextNode("Applets don't seem to work in your browser. In place of the GLI Applet, try running its alternative ");
|
---|
| 485 | Element link_to_jnlp = doc.createElement("a");
|
---|
[32141] | 486 | link_to_jnlp.setAttribute("href", "applet/GLIappWebStart.jnlp");
|
---|
[32136] | 487 | Node anchor_text = doc.createTextNode("Java Web Start (JNLP) version");
|
---|
| 488 | link_to_jnlp.appendChild(anchor_text);
|
---|
[32127] | 489 | applet_elem.appendChild(default_text);
|
---|
[32136] | 490 | applet_elem.appendChild(link_to_jnlp);
|
---|
[32127] | 491 |
|
---|
[14395] | 492 | return page_response;
|
---|
| 493 | }
|
---|
[3340] | 494 | }
|
---|