1 | package org.greenstone.gsdl3.collection;
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2 |
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3 | import org.greenstone.gsdl3.util.*;
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4 | import org.greenstone.gsdl3.core.*;
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5 | import org.greenstone.gsdl3.service.*;
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6 |
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7 |
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8 | // java XML classes we're using
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9 | import org.w3c.dom.Document;
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10 | import org.w3c.dom.Node;
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11 | import org.w3c.dom.Element;
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12 | import org.w3c.dom.NodeList;
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13 |
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14 | import java.io.File;
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15 | import java.util.HashMap;
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16 |
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17 | import org.apache.log4j.*;
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18 |
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19 | /* for a collection that hasn't been built with greenstone build stuff. expects a documentList in the collectionConfig file, and it stores this. this is where doc level metadata comes from */
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20 | public class XMLCollection
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21 | extends Collection {
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22 |
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23 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.collection.XMLCollection.class.getName());
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24 |
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25 | protected Element document_list = null;
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26 | /** overwrite this to keep the document list
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27 | * find the metadata and display elems from the two config files and add it to the appropriate lists
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28 | */
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29 | protected boolean findAndLoadInfo(Element coll_config_xml,
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30 | Element build_config_xml){
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31 |
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32 | // add metadata to stored metadata list from collConfig and buildConfig
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33 | Element meta_list = (Element)GSXML.getChildByTagName(coll_config_xml, GSXML.METADATA_ELEM+GSXML.LIST_MODIFIER);
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34 | addMetadata(meta_list);
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35 | meta_list = (Element)GSXML.getChildByTagName(build_config_xml, GSXML.METADATA_ELEM+GSXML.LIST_MODIFIER);
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36 | addMetadata(meta_list);
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37 |
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38 | addMetadata("httpPath", this.site_http_address+"/collect/"+this.cluster_name);
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39 |
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40 | // display stuff
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41 | Element display_list = (Element)GSXML.getChildByTagName(coll_config_xml, GSXML.DISPLAY_TEXT_ELEM+GSXML.LIST_MODIFIER);
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42 | if (display_list != null) {
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43 | resolveMacros(display_list);
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44 | DisplayItemUtil.storeDisplayItems(this.display_item_list, display_list);
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45 | }
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46 |
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47 | // are we a private collection??
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48 | if (this.metadata_list != null) {
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49 |
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50 | Element meta_elem = (Element) GSXML.getNamedElement(this.metadata_list, GSXML.METADATA_ELEM, GSXML.NAME_ATT, "public");
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51 | if (meta_elem != null) {
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52 |
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53 | String value = GSXML.getValue(meta_elem).toLowerCase().trim();
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54 | if (value.equals("false")) {
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55 | is_public = false;
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56 | }
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57 | }
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58 | }
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59 | Element config_doc_list = (Element)GSXML.getChildByTagName(coll_config_xml, GSXML.DOCUMENT_ELEM+GSXML.LIST_MODIFIER);
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60 | if (config_doc_list != null) {
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61 | document_list = (Element)desc_doc.importNode(config_doc_list, true);
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62 | } else {
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63 | document_list = desc_doc.createElement(GSXML.DOCUMENT_ELEM+GSXML.LIST_MODIFIER);
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64 | }
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65 | return true;
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66 |
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67 | }
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68 |
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69 | /** handles requests made to the ServiceCluster itself
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70 | *
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71 | * @param req - the request Element- <request>
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72 | * @return the result Element - should be <response>
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73 | */
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74 | protected Element processMessage(Document response_doc, Element request) {
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75 |
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76 | Element response = response_doc.createElement(GSXML.RESPONSE_ELEM);
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77 | response.setAttribute(GSXML.FROM_ATT, this.cluster_name);
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78 | String type = request.getAttribute(GSXML.TYPE_ATT);
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79 | String lang = request.getAttribute(GSXML.LANG_ATT);
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80 | response.setAttribute(GSXML.TYPE_ATT, type);
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81 |
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82 | if (type.equals(GSXML.REQUEST_TYPE_DESCRIBE)) {
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83 | // create the collection element
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84 | Element description = (Element)response_doc.importNode(this.description, false);
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85 | response.appendChild(description);
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86 | // check the param list
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87 | Element param_list = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
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88 | if (param_list == null) {
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89 | Element di_list = response_doc.createElement(GSXML.DISPLAY_TEXT_ELEM + GSXML.LIST_MODIFIER);
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90 | description.appendChild(di_list);
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91 | DisplayItemUtil.addLanguageSpecificDisplayItems(di_list, this.display_item_list, lang, DEFAULT_LANG, this.class_loader);
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92 |
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93 | description.appendChild(response_doc.importNode(this.service_list, true));
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94 | description.appendChild(response_doc.importNode(this.metadata_list, true));
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95 | description.appendChild(response_doc.importNode(this.library_param_list, true));
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96 | description.appendChild(response_doc.importNode(this.document_list, true));
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97 | return response;
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98 | }
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99 |
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100 | // go through the param list and see what components are wanted
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101 | NodeList params = param_list.getElementsByTagName(GSXML.PARAM_ELEM);
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102 | for (int i=0; i<params.getLength(); i++) {
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103 |
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104 | Element param = (Element)params.item(i);
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105 | // Identify the structure information desired
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106 | if (param.getAttribute(GSXML.NAME_ATT) == GSXML.SUBSET_PARAM ) {
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107 | String info = param.getAttribute(GSXML.VALUE_ATT);
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108 | if (info.equals(GSXML.SERVICE_ELEM+GSXML.LIST_MODIFIER)) {
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109 | description.appendChild(response_doc.importNode(this.service_list, true));
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110 | } else if (info.equals(GSXML.METADATA_ELEM+GSXML.LIST_MODIFIER)) {
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111 | description.appendChild(response_doc.importNode(metadata_list, true));
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112 | } else if (info.equals(GSXML.DISPLAY_TEXT_ELEM+GSXML.LIST_MODIFIER)) {
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113 | Element di_list = response_doc.createElement(GSXML.DISPLAY_TEXT_ELEM + GSXML.LIST_MODIFIER);
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114 | description.appendChild(di_list);
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115 | DisplayItemUtil.addLanguageSpecificDisplayItems(di_list, this.display_item_list, lang, DEFAULT_LANG, this.class_loader);
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116 |
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117 |
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118 | } else if (info.equals(GSXML.DOCUMENT_ELEM+GSXML.LIST_MODIFIER)) {
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119 | description.appendChild(response_doc.importNode(this.document_list, true));
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120 | } else if (info.equals(GSXML.LIBRARY_PARAM_ELEM+GSXML.LIST_MODIFIER)) {
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121 |
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122 | description.appendChild(response_doc.importNode(this.library_param_list, true));
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123 | }
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124 |
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125 | }
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126 | }
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127 | return response;
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128 | }
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129 | return super.processMessage(response_doc, request);
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130 |
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131 | }
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132 |
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133 | }
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