source: other-projects/trunk/greenstone3-extension/mat/Greenstone3Project/src/org/greenstone3/ms/SearchLink.java@ 17156

Last change on this file since 17156 was 17156, checked in by cc108, 16 years ago

Adding the project Metadata Quality for Digital Libraries into the repository
File size: 10.5 KB
Line 
1package org.greenstone3.ms;
2
3import java.io.BufferedWriter;
4import java.io.File;
5import java.io.FileWriter;
6import java.io.PrintWriter;
7import java.util.ArrayList;
8import java.util.HashMap;
9
10import javax.xml.parsers.DocumentBuilder;
11import javax.xml.parsers.DocumentBuilderFactory;
12
13import org.w3c.dom.Document;
14import org.w3c.dom.Element;
15import org.w3c.dom.NamedNodeMap;
16import org.w3c.dom.Node;
17import org.w3c.dom.NodeList;
18
19public class SearchLink {
20
21 //final String path = "/research/cc108/greenstone3/web/mat/";
22 final String path = "/home/cc108/MRWks1/describeMessenger/";
23
24 String collection ="";
25 String metadataElement ="";
26 //String core_element="";
27 PrintWriter out;
28 boolean status = true;
29
30 public SearchLink(PrintWriter arg){
31 out = arg;
32 }
33
34 public SearchLink(){
35
36 }
37
38 public boolean getStatus(){
39 return status;
40 }
41 public static void main(String[] args){
42 SearchLink sl = new SearchLink();
43 //sl.CreateIndentifierLinkPage("dc.Creator", "Lowe, David J.", "dc.Identifier","poilkjm");
44 //sl.CreateIndentifierLinkPage("dc.Publisher2", "ResearchSpace@Auckland", "dc.Identifier1","vmeqlek");
45 }
46
47 public ArrayList CreateIndentifierLinkPage(String metadataElement, String text, String identifier, String col, HashMap valueMap, HashMap linkMap){
48 collection = col;
49 //System.out.println("valueMap: "+valueMap.size()+ " linkMap: "+ linkMap.size());
50 this.metadataElement = metadataElement;
51 //Element ex = openfile(metadataElement,col);
52 try{
53 if(valueMap.size()==0){
54 status = false;
55 return new ArrayList();
56 }
57 else{
58 ArrayList alist = retrieveHASHID(valueMap,text);
59 if(alist.size()==0){
60 status = false;
61 return new ArrayList();
62 }
63 //ex = openfile(identifier,col);
64 if(linkMap.size()==0){
65 //out.write("<p>"+ identifier +" does not exist </p>");
66 status = false;
67 return new ArrayList();
68 //System.out.println(identifier + "does not exist2");
69 //return createResult(new ArrayList());
70 }
71 else{
72 ArrayList alist2 = retrieveHASHID(linkMap,alist,metadataElement);
73 //System.out.println("break3");
74 return alist2;
75 }
76 }
77 }catch(Exception ex){ex.printStackTrace(); return new ArrayList();}
78 //return "";
79 }
80
81
82 private Element openfile(String core_element, String collection){
83
84 try{
85 DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
86 DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
87 Document doc = docBuilder.newDocument();
88 //Element rootNode = doc.
89 //System.out.println(path+collection+"/metadataStats/"+core_element+".xml");
90 doc = docBuilder.parse (new File(path+"/"+collection+"/metadataStats/"+core_element+".xml"));
91 Element rootNode = doc.getDocumentElement();
92 return rootNode;
93 }catch (Exception e) {
94 //e.printStackTrace();
95 //out.write("<p>"+core_element +" does not exist </p>");
96 System.out.println(core_element + " does not exist1");
97
98 return null;
99 }
100 }
101
102 private ArrayList retrieveHASHID (HashMap hp, String text){
103 //ArrayList alist = new ArrayList();
104
105
106
107 if(hp.containsKey(text)){
108 InternalLink il = (InternalLink) hp.get(text);
109 return il.retrieveList();
110 }
111 else{
112 return new ArrayList();
113 }
114 }
115
116 private ArrayList retrieveHASHID (HashMap hp, ArrayList arg,String metadataElement){
117 //System.out.println(metadataElement);
118 ArrayList alist = new ArrayList();
119 for(int i = 0; i<arg.size(); i++){
120 String text = (String)arg.get(i);
121 if(hp.containsKey(text)){
122 InternalLink il = (InternalLink) hp.get(text);
123 ArrayList arrayList = il.retrieveList();
124 if(arrayList.size()!=0){
125 alist.add(il.retrieveList().get(0));
126 }
127 else{
128 System.out.println(text);
129 alist.add("&nbsp;");
130 }
131 //return il.retrieveList();
132 }
133 /*
134 else{
135 return new ArrayList();
136 }
137 */
138 }
139 return alist;
140 }
141 /*
142 private ArrayList retrieveHASHID (Element ex, ArrayList alist1){
143 ArrayList alist = new ArrayList();
144
145 NodeList listOfFrequency = ex.getElementsByTagName("Document");
146
147 if(listOfFrequency.getLength()==0){
148 //System.out.println("return 0");
149 return alist;
150 }
151
152 for(int s=0; s<listOfFrequency.getLength() ; s++){
153 Node docNode = listOfFrequency.item(s);
154 NamedNodeMap NodeIDMap = docNode.getAttributes();
155 Node DocNodeID = NodeIDMap.item(0);
156 String DocID = DocNodeID.getNodeValue();
157
158 if(alist1.contains(DocID)){
159 //System.out.println("same");
160 Element xNode = (Element)docNode;
161 NodeList valueList = xNode.getElementsByTagName("ActualValue");
162
163
164 for(int y = 0; y<valueList.getLength(); y++){
165 Element valueElement = (Element)valueList.item(y);
166 NodeList textFNList = valueElement.getChildNodes();
167 String textValue = ((Node)textFNList.item(0)).getNodeValue();
168 //System.out.println(textValue);
169 if(textValue.startsWith("http://")){
170 alist.add(textValue);
171 break;
172 }
173 }
174 }
175 }
176
177 return alist;
178 }
179 */
180 /*
181 private String createResult(ArrayList alist){
182 //System.out.println("test");\
183 String url = path+collection+"/"+metadataElement+"_result.html";
184 //System.out.println(url);
185 try{
186 //FileWriter fstream = new FileWriter("/home/cc108/MRWks1/Quality"+"/"+collection+"/"+"hello"+"_result.html");
187 //path /research/cc108/greenstone3/web/mat/
188
189 //FileWriter fstream = new FileWriter(path+collection+"/"+metadataElement+"result.html");
190 FileWriter fstream = new FileWriter(url);
191 BufferedWriter out = new BufferedWriter(fstream);
192 out.write("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\r\n");
193 out.write("<html>\r\n");
194 out.write("<head>\r\n<title>Result</title>\r\n");
195
196 out.write("<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">\r\n");
197 out.write("</head>\r\n");
198 out.write("<body>\r\n");
199 out.write("<table border=\"1\" align=\"center\">\r\n");
200 out.write("<tr>");
201 out.write("<td align=center> No.");
202 out.write("<td align=center> URL");
203 //System.out.println(alist.size());
204 for(int i = 0; i < alist.size(); i++){
205 out.write("<tr>");
206 out.write("<td align>"+(i+1));
207 out.write("<td align><a href=\""+(String)alist.get(i)+"\">"+(String)alist.get(i)+"</a>\n");
208
209 }
210 out.write("</table></body></html>\r\n");
211 out.close();
212 fstream.close();
213 //System.out.println("/home/cc108/MRWks1/Quality"+"/"+collection+"/"+metadataElement+"_result.html");
214 }catch(Exception ex){
215 //ex.printStackTrace();
216 out.write("<p> links cannot be generated </p>");
217 }
218 return url;
219 }
220 */
221
222 /////////////////////////////////////////////////////////////////////////////////////////////////////////////
223 public HashMap createValueMap(String core_element, String collection){
224 //System.out.println("Create value map1 "+core_element);
225 HashMap hp = new HashMap();
226 Element ex = openfile(core_element,collection);
227 NodeList valueList = ex.getElementsByTagName("ActualValue");
228
229 for(int s=0; s<valueList.getLength() ; s++){
230 Element docNode = (Element)valueList.item(s);
231 NodeList NodeIDMap = docNode.getChildNodes();
232 Node DocNodeID = NodeIDMap.item(0);
233 String actualValue = DocNodeID.getNodeValue();
234 String DocID = DocNodeID.getParentNode().getParentNode().getAttributes().item(0).getNodeValue();
235
236 if(hp.containsKey(actualValue)){
237 InternalLink il = (InternalLink) hp.get(actualValue);
238 il.increaseElement(DocID);
239 hp.put(actualValue, il);
240 }
241 else{
242 InternalLink il = new InternalLink();
243 il.setValue(actualValue);
244 il.increaseElement(DocID);
245 hp.put(actualValue, il);
246 }
247 }
248 System.out.println("Create value map2 "+core_element);
249 return hp;
250 }
251 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////
252 public HashMap createLinkMap (String core_element, String collection){
253 //System.out.println("Create link map1 "+core_element);
254 //ArrayList alist = new ArrayList();
255 HashMap hp = new HashMap();
256 Element ex = openfile(core_element,collection);
257 NodeList listOfFrequency = ex.getElementsByTagName("Document");
258
259 if(listOfFrequency.getLength()==0){
260 return hp;
261 }
262
263 for(int s=0; s<listOfFrequency.getLength() ; s++){
264 Node docNode = listOfFrequency.item(s);
265 NamedNodeMap NodeIDMap = docNode.getAttributes();
266 Node DocNodeID = NodeIDMap.item(0);
267 String DocID = DocNodeID.getNodeValue();
268
269
270 if(hp.containsKey(DocID)){
271
272 Element xNode = (Element)docNode;
273 NodeList valueList = xNode.getElementsByTagName("ActualValue");
274
275 ArrayList alist = new ArrayList();
276 for(int y = 0; y<valueList.getLength(); y++){
277 Element valueElement = (Element)valueList.item(y);
278 NodeList textFNList = valueElement.getChildNodes();
279 String textValue = ((Node)textFNList.item(0)).getNodeValue();
280
281 if(textValue.startsWith("http://")){
282 InternalLink il = (InternalLink)hp.get(DocID);
283 //il.retrieveList();
284 //alist.add(textValue);
285 il.increaseElement(textValue);
286 break;
287 }
288 }
289 }
290
291
292 else {
293 InternalLink il = new InternalLink();
294 il.setValue(DocID);
295
296 Element xNode = (Element)docNode;
297 NodeList valueList = xNode.getElementsByTagName("ActualValue");
298
299 for(int y = 0; y<valueList.getLength(); y++){
300 Element valueElement = (Element)valueList.item(y);
301 NodeList textFNList = valueElement.getChildNodes();
302 String textValue = ((Node)textFNList.item(0)).getNodeValue();
303
304 if(textValue.startsWith("http://")){
305 //alist.add(textValue);
306 il.increaseElement(textValue);
307 break;
308 }
309 }
310 hp.put(DocID, il);
311 }
312 }
313 System.out.println("Create value map2 "+core_element);
314 return hp;
315 }
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337 ////////////////////////////////////////////////////////////////////////////////////////////////////////////
338}
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