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1 package org.jahia.services.fileextraction;
2
3 import java.io.InputStream  ;
4 import java.io.File ;
5 import org.apache.commons.io.CopyUtils;
6 import java.io.FileOutputStream ;
7 import org.apache.slide.util.conf.ConfigurationException;
8 import java.util.Enumeration ;
9 import org.apache.slide.util.conf.Configuration;
10 import java.util.Map ;
11 import java.util.HashMap ;
12 import org.blinkenlights.jid3.MP3File;
13 import org.blinkenlights.jid3.ID3Tag;
14 import org.blinkenlights.jid3.v1.ID3V1Tag;
15 import org.blinkenlights.jid3.v2.ID3V2Tag;
16 import org.jahia.services.sites.JahiaSitesSlideService;
17
18
30 public class MP3Extractor implements FileExtractor {
31
32 protected Map propertyMap = new HashMap ();
33
34 public MP3Extractor () {
35 }
36
37
47 public String getContentAsString (String path, long lastModified,
48 InputStream fileStream)
49 throws Exception {
50 return getContentAsString(path, lastModified, fileStream, null);
51 }
52
53
64 public String getContentAsString (String path, long lastModified,
65 InputStream fileStream, String charSet)
66 throws Exception {
67
68 StringBuffer contentBuf = new StringBuffer ();
69
70 File tempFile = File.createTempFile("mp3extrator", "temp");
73 FileOutputStream out = new FileOutputStream (tempFile);
74 CopyUtils.copy(fileStream, out);
75 out.flush();
76
77 this.configure(((JahiaSitesSlideService)JahiaSitesSlideService.getInstance()).getConfiguration().getConfiguration("mp3-property-mapping"));
78
79 MP3File mp3File = new MP3File(tempFile);
80 ID3Tag[] tags = mp3File.getTags();
81
82 for (int i=0; i < tags.length; i++) {
83 if (tags[i] instanceof ID3V1Tag) {
84 ID3V1Tag v1Tag = (ID3V1Tag) tags[i];
85 if (v1Tag.getTitle() != null) {
86 contentBuf.append(v1Tag.getTitle());
87 contentBuf.append(" ");
88 }
89 if (v1Tag.getArtist() != null) {
90 contentBuf.append(v1Tag.getArtist());
91 contentBuf.append(" ");
92 }
93 } else if (tags[i] instanceof ID3V2Tag) {
94 ID3V2Tag v2Tag = (ID3V2Tag) tags[i];
95 if (v2Tag.getTitle() != null) {
96 contentBuf.append(v2Tag.getTitle());
97 contentBuf.append(" ");
98 }
99 if (v2Tag.getArtist() != null) {
100 contentBuf.append(v2Tag.getArtist());
101 contentBuf.append(" ");
102 }
103 }
104 }
105 tempFile.delete();
106 return contentBuf.toString();
107 }
108
109
119 public ExtractedDocument getExtractedDocument (String path,
120 long lastModified, InputStream fileStream)
121 throws Exception {
122 return getExtractedDocument(path, lastModified, fileStream, null);
123 }
124
125
136 public ExtractedDocument getExtractedDocument (String path,
137 long lastModified, InputStream fileStream, String charSet)
138 throws Exception {
139
140 ExtractedDocumentImpl extDoc = new ExtractedDocumentImpl();
141 StringBuffer contentBuf = new StringBuffer ();
142
143 File tempFile = File.createTempFile("mp3extrator", ".mp3");
146 FileOutputStream out = new FileOutputStream (tempFile);
147 CopyUtils.copy(fileStream, out);
148 out.flush();
149 out.close();
150
151 this.configure(((JahiaSitesSlideService)JahiaSitesSlideService.getInstance()).getConfiguration().getConfiguration("mp3-property-mapping"));
152
153 MP3File mp3File = new MP3File(tempFile);
154 ID3Tag[] tags = mp3File.getTags();
155
156 for (int i=0; i < tags.length; i++) {
157 if (tags[i] instanceof ID3V1Tag) {
158 ID3V1Tag v1Tag = (ID3V1Tag) tags[i];
159 if (v1Tag.getTitle() != null) {
160 extDoc.setProperty( (String ) propertyMap.get("Title"),
161 v1Tag.getTitle());
162 contentBuf.append(v1Tag.getTitle());
163 contentBuf.append(" ");
164 }
165 if (v1Tag.getArtist() != null) {
166 extDoc.setProperty( (String ) propertyMap.get("Artist"),
167 v1Tag.getArtist());
168 contentBuf.append(v1Tag.getArtist());
169 contentBuf.append(" ");
170 }
171 } else if (tags[i] instanceof ID3V2Tag) {
172 ID3V2Tag v2Tag = (ID3V2Tag) tags[i];
173 if (v2Tag.getTitle() != null) {
174 extDoc.setProperty( (String ) propertyMap.get("Title"),
175 v2Tag.getTitle());
176 contentBuf.append(v2Tag.getTitle());
177 contentBuf.append(" ");
178 }
179 if (v2Tag.getArtist() != null) {
180 extDoc.setProperty( (String ) propertyMap.get("Artist"),
181 v2Tag.getArtist());
182 contentBuf.append(v2Tag.getArtist());
183 contentBuf.append(" ");
184 }
185 }
186 }
187
188 tempFile.delete();
189 extDoc.setContent(contentBuf.toString());
190 return extDoc;
191 }
192
193 public void configure(Configuration configuration) throws ConfigurationException {
194 Enumeration instructions = configuration.getConfigurations("instruction");
195 while (instructions.hasMoreElements()) {
196 Configuration extract = (Configuration)instructions.nextElement();
197 String property = extract.getAttribute("property");
198 String id = extract.getAttribute("id");
199 propertyMap.put(id, property);
200 }
201 }
202
203 }
204 |
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