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1 package org.enhydra.snapper.parsers;
2
3
4 import java.io.BufferedInputStream  ;
5 import java.io.BufferedOutputStream ;
6 import java.io.File ;
7 import java.io.FileNotFoundException ;
8 import java.io.FileOutputStream ;
9 import java.io.IOException ;
10 import java.io.InputStream ;
11 import java.util.Enumeration ;
12 import java.util.Vector ;
13 import java.util.zip.ZipEntry ;
14 import java.util.zip.ZipFile ;
15
16
17 public class ZIPParser implements org.enhydra.snapper.api.Parser {
18 private String fileName;
19 private String parsedText;
20 private String title = "";
21 private String dest = "";
22 StringBuffer sb = new StringBuffer ();
23 Vector files;
24 private long time;
25
26 public String parse(InputStream is) throws java.io.IOException { return "";}
27
28 public ZIPParser(String dest){
29 this.dest = dest;
30
31 }
32
33
38
39
40 public void parse () {
41 files = new Vector ();
42 Vector zipData = new Vector ();
43 File fZip = new File (fileName);
44 zipData.add(new Long (fZip.lastModified()));
45 zipData.add(fileName);
46 zipData.add("");
47 zipData.add("zip");
48 zipData.add(fZip.getName());
49 zipData.add("");
50 files.add(zipData);
51 try{
52 ZipFile zip = new ZipFile (fileName);
53
54 Enumeration entries = zip.entries();
55 while(entries.hasMoreElements()) {
56
57 String file = null;
58 ZipEntry entry = (ZipEntry )entries.nextElement();
59
60 try{
61 file = unZip(zip, entry);
62 }catch(Exception e){
63 String strTempFile = (entry.getName()).substring(entry.getName().lastIndexOf("/")+1);
64 Vector d = new Vector ();
65 d.add(null);
66 String temp = fileName+"("+strTempFile+")";
67 d.add(temp);
68 d.add(null);
69 d.add(null);
70 d.add(null);
71 d.add(null);
72 files.add(d.clone());
73 try{
74 File tempF = new File (dest + strTempFile);
75 tempF.delete();
76 }catch(Exception ex){}
77 continue;
78 }
79
80 if("".equals(file))
81 continue;
82
83 if (org.enhydra.snapper.utils.Utils.isZIP(file)){
84 parse(file);
85 continue;
86 }
87 Parser parser = new Parser();
88 File tempFile = new File (file);
89 Vector data = (Vector ) parser.parse(tempFile).clone();
90 parser = null;
91
92 boolean parsedWell = true;
93
94 for (int i = 0; i < data.size(); i++) {
95 if (data.elementAt(i) == null) {
96 parsedWell = false;
97 try {
98 String temp = fileName+"("+tempFile.getName()+")";
99 data.setElementAt(temp,1);
100 } catch (Exception ex) {
101 }
102 }
103
104 }
105
106 tempFile.delete();
107 tempFile = null;
108
109 if(parsedWell)
110 data.setElementAt(fileName,1);
111
112
113
114 files.add(data.clone());
115 data.removeAllElements();
116
117 }
118 zip.close();
119 zip = null;
120
121 }
122 catch(Exception e){
123 ParserManager.logger.error("Error while extracting and parsing ZIP file : "+fileName);
124 }
125
126 }
127
128 public Vector getFiles() {
129 return files;
130 }
131
137 private String unZip(ZipFile zip, ZipEntry e) throws IOException , FileNotFoundException {
139
141 String strTempFile = (e.getName()).substring(e.getName().lastIndexOf("/")+1);
142
143 if("".equals(strTempFile))
144 return "";
145
146 File f = new File (dest + strTempFile);
147 time = e.getTime();
149 if(!e.isDirectory()) {
155 BufferedInputStream is = null;
156 BufferedOutputStream os = null;
157 try {
158 is = new BufferedInputStream (zip.getInputStream(e));
159 File destDir = f.getParentFile();
160 if(!destDir.exists() && !destDir.mkdirs())
161 throw new IOException ("Couldn't create dir " + destDir);
162 os = new BufferedOutputStream (new FileOutputStream (f));
163 int b = -1;
164 while((b = is.read()) != -1)
165 os.write(b);
166 }
167 finally {
168 if(is != null)
169 is.close();
170 if(os != null)
171 os.close();
172 }
173 }
174 return dest + strTempFile;
175 }
176
177 public void setFileName(String fileName) {
178 this.fileName = fileName;
179 }
180
181 public String getParsedText() {
182 return parsedText;
183 }
184
185 public String getTitle() {
186 return title;
187 }
188
189 private void parse( String zipName){
190 try{
191 ZipFile zip = new ZipFile (zipName);
192 Enumeration entries = zip.entries();
193 while(entries.hasMoreElements()) {
194
195
197 String file = null;
198
199 ZipEntry entry = (ZipEntry )entries.nextElement();
200
201 try{
202 file = unZip(zip, entry);
203 }catch(Exception e){
204 String strTempFile = (entry.getName()).substring(entry.getName().lastIndexOf("/")+1);
205 Vector d = new Vector ();
206 d.add(null);
207 String temp = fileName+"("+strTempFile+")";
208 d.add(temp);
209 d.add(null);
210 d.add(null);
211 d.add(null);
212 d.add(null);
213 files.add(d.clone());
214 try{
215 File tempF = new File (dest + strTempFile);
216 tempF.delete();
217 }catch(Exception ex){}
218 continue;
219 }
220
221 if("".equals(file))
222 continue;
223
224 if (org.enhydra.snapper.utils.Utils.isZIP(file)){
225 parse(file);
226 }
227 Parser parser = new Parser();
228 File tempFile = new File (file);
229 tempFile.setLastModified(time);
230 Vector data = (Vector ) parser.parse(tempFile).clone();
231 parser = null;
232 tempFile.delete();
233 tempFile = null;
234 data.setElementAt(fileName,1);
235 files.add(data.clone());
236 data.removeAllElements();
237 }
238 zip.close();
239 File tempFile = new File (zipName);
240 tempFile.delete();
241 tempFile = null;
242 }
243 catch(Exception e) {
244 ParserManager.logger.error("Error while extracting and parsing ZIP file");
245 }
246 }
247
248
249
250
251
252
253 } |
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