[4094] | 1 | package org.greenstone.gsdl3.action;
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| 2 |
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| 3 | import org.greenstone.gsdl3.core.ModuleInterface;
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| 4 | import org.greenstone.gsdl3.util.*;
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| 5 |
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| 6 | // XML classes
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[24985] | 7 | import org.w3c.dom.Node;
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| 8 | import org.w3c.dom.Element;
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| 9 | import org.w3c.dom.Document;
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[4094] | 10 |
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| 11 | // other java stuff
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| 12 | import java.io.File;
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[23333] | 13 | import java.util.*;
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| 14 | import java.io.StringReader;
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| 15 | import org.xml.sax.InputSource;
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| 16 | import javax.xml.parsers.DocumentBuilder;
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| 17 | import javax.xml.parsers.DocumentBuilderFactory;
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[4094] | 18 |
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[23340] | 19 | import java.io.*;
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| 20 | import org.xml.sax.*;
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[24985] | 21 | import javax.xml.parsers.SAXParserFactory;
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[23340] | 22 | import javax.xml.parsers.ParserConfigurationException;
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| 23 | import javax.xml.parsers.SAXParser;
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| 24 |
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[23336] | 25 | import java.io.PrintWriter;
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[25635] | 26 | import java.io.Serializable;
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[23336] | 27 | import java.io.StringWriter;
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| 28 |
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[13124] | 29 | import org.apache.log4j.*;
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| 30 |
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[24985] | 31 | public class SystemAction extends Action
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| 32 | {
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[13124] | 33 |
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[24985] | 34 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.action.SystemAction.class.getName());
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[23340] | 35 |
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[24985] | 36 | String tempVal = "";
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[16688] | 37 |
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[24985] | 38 | /** process a request */
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| 39 | public Node process(Node message_node)
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| 40 | {
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[4094] | 41 |
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[24985] | 42 | Element message = this.converter.nodeToElement(message_node);
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[4094] | 43 |
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[24985] | 44 | // assume only one request
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| 45 | Element request = (Element) GSXML.getChildByTagName(message, GSXML.REQUEST_ELEM);
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[4106] | 46 |
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[24985] | 47 | String subaction = request.getAttribute(GSXML.SUBACTION_ATT);
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[24993] | 48 | UserContext userContext = new UserContext(request);
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[24985] | 49 | // get the param list
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| 50 | Element cgi_param_list = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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[25635] | 51 | HashMap<String, Serializable> params = GSXML.extractParams(cgi_param_list, false);
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[4106] | 52 |
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[24985] | 53 | Element result = this.doc.createElement(GSXML.MESSAGE_ELEM);
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[4106] | 54 |
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[24985] | 55 | String coll = (String) params.get(GSParams.SYSTEM_CLUSTER);
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| 56 |
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| 57 | String to = "";
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| 58 | if (coll != null && !coll.equals(""))
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| 59 | {
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| 60 | to = coll;
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| 61 | }
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| 62 |
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| 63 | Element mr_request_message = this.doc.createElement(GSXML.MESSAGE_ELEM);
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[24993] | 64 | Element mr_request = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_SYSTEM, to, userContext);
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[24985] | 65 | mr_request_message.appendChild(mr_request);
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| 66 |
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| 67 | Element system = this.doc.createElement(GSXML.SYSTEM_ELEM);
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| 68 | mr_request.appendChild(system);
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| 69 |
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| 70 | // will need to change the following if can do more than one system request at once
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| 71 | if (subaction.equals("c"))
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| 72 | { // configure
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| 73 | system.setAttribute(GSXML.TYPE_ATT, GSXML.SYSTEM_TYPE_CONFIGURE);
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| 74 | String info = (String) params.get(GSParams.SYSTEM_SUBSET);
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| 75 | system.setAttribute(GSXML.SYSTEM_SUBSET_ATT, info);
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| 76 | }
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[25580] | 77 | else if (subaction.equals("ping")) { // can ping the server or a collection
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| 78 | String name = (String) params.get(GSParams.SYSTEM_MODULE_NAME);
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| 79 |
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| 80 | if(name != null && !name.equals("")) {
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| 81 | // Pinging a collection (or module) with ?a=s&sa=ping&st=collection&sn=<colName>
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| 82 | // is a collection-level (servicecluster/module level) ping
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| 83 |
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| 84 | String type = (String) params.get(GSParams.SYSTEM_MODULE_TYPE);
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| 85 | if(type == null || type.equals("")) {
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| 86 | type = "collection"; // if the st=collection was omitted, assume collection
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| 87 | }
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| 88 | // ping action set to moduleType=Collection and moduleName=colName
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| 89 | system.setAttribute(GSXML.SYSTEM_MODULE_NAME_ATT, name);
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| 90 | system.setAttribute(GSXML.SYSTEM_MODULE_TYPE_ATT, type);
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| 91 | system.setAttribute(GSXML.TYPE_ATT, GSXML.SYSTEM_TYPE_PING);
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| 92 | } // else SYSTEM_MODULE_NAME given by the "sn" GSParam is null or empty
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| 93 | // meaning server-level ping: ?a=s&sa=ping
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| 94 |
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[25571] | 95 | system.setAttribute(GSXML.TYPE_ATT, GSXML.SYSTEM_TYPE_PING);
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| 96 | }
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| 97 | //else if (subaction.equals("is-persistent")){
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| 98 | // system.setAttribute(GSXML.TYPE_ATT, GSXML.SYSTEM_TYPE_ISPERSISTENT);
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| 99 | //}
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[24985] | 100 | else
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| 101 | {
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| 102 | String name = (String) params.get(GSParams.SYSTEM_MODULE_NAME);
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| 103 | String type = (String) params.get(GSParams.SYSTEM_MODULE_TYPE);
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| 104 |
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| 105 | system.setAttribute(GSXML.SYSTEM_MODULE_NAME_ATT, name);
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| 106 | system.setAttribute(GSXML.SYSTEM_MODULE_TYPE_ATT, type);
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| 107 |
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| 108 | if (subaction.equals("d"))
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| 109 | { // delete
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| 110 | system.setAttribute(GSXML.TYPE_ATT, GSXML.SYSTEM_TYPE_DEACTIVATE);
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| 111 |
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| 112 | }
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| 113 | else if (subaction.equals("a"))
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| 114 | { // add
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| 115 | system.setAttribute(GSXML.TYPE_ATT, GSXML.SYSTEM_TYPE_ACTIVATE);
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| 116 | }
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| 117 | else
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| 118 | {
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| 119 | // create the default response
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| 120 | // for now just have an error
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| 121 | logger.error("bad subaction type");
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| 122 | Element page_response = this.doc.createElement(GSXML.RESPONSE_ELEM);
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| 123 | result.appendChild(page_response);
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| 124 |
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| 125 | return result;
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| 126 | }
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| 127 | }
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| 128 |
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| 129 | Node response_message = this.mr.process(mr_request_message);
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| 130 |
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[25481] | 131 | Element response = GSXML.duplicateWithNewName(this.doc, (Element) GSXML.getChildByTagName(response_message, GSXML.RESPONSE_ELEM), GSXML.RESPONSE_ELEM, true);
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| 132 | addSiteMetadata(response, userContext);
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| 133 | addInterfaceOptions(response);
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| 134 |
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| 135 | result.appendChild(response);
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[24985] | 136 | return result;
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| 137 |
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[4094] | 138 | }
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[4106] | 139 |
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[4094] | 140 | }
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