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26
27 package org.nightlabs.editor2d.iofilter;
28
29 import java.io.IOException  ;
30 import java.io.InputStream ;
31 import java.io.InputStreamReader ;
32 import java.util.ArrayList ;
33 import java.util.List ;
34
35 import org.apache.log4j.Logger;
36 import org.xmlpull.v1.XmlPullParser;
37 import org.xmlpull.v1.XmlPullParserException;
38 import org.xmlpull.v1.XmlPullParserFactory;
39
40 public class ManifestReader
41 {
42 public static final Logger LOGGER = Logger.getLogger(ManifestReader.class.getName());
43
44 protected XmlPullParser xpp;
45 protected InputStreamReader reader;
46
47 protected boolean debug = false;
48
49 public ManifestReader(InputStream in)
50 {
51 super();
52 try {
53 XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
54 factory.setNamespaceAware(true);
55 xpp = factory.newPullParser();
56 reader = new InputStreamReader (in);
57 xpp.setInput(reader);
58 } catch (XmlPullParserException e) {
59 throw new RuntimeException (e);
60 }
61 }
62
63 protected static final String APPLICATION = "application/";
64 protected static final String TEXT = "text/xml";
65 protected static final String IMAGE = "image/";
66
67 public void read()
68 {
69 nameSpace = xpp.getNamespace();
70 if (debug)
71 LOGGER.debug("nameSpace = " + nameSpace);
72
73 int attributeCount = -1;
74 int eventType;
75 try {
76 eventType = xpp.getEventType();
77 while (eventType != XmlPullParser.END_DOCUMENT)
78 {
79 if(eventType == XmlPullParser.START_DOCUMENT) {
80 if (debug)
81 LOGGER.debug("Start Document!");
82 } else if(eventType == XmlPullParser.END_DOCUMENT) {
83 if (debug)
84 LOGGER.debug("End Document!");
85 } else if(eventType == XmlPullParser.START_TAG) {
86 if (debug)
87 LOGGER.debug("Start Tag "+xpp.getName());
88
89 attributeCount = xpp.getAttributeCount();
90 for (int i=0; i<attributeCount; i++)
91 {
92 String attrName = xpp.getAttributeName(i);
93 String value = xpp.getAttributeValue(i);
94 if (!foundContentType)
95 findContentType(value);
96
97 checkImageEntry(value, i);
98
99 if (debug)
100 LOGGER.debug(value+" = " + value);
101 }
102 } else if(eventType == XmlPullParser.END_TAG) {
103 if (debug)
104 LOGGER.debug("End Tag "+xpp.getName());
105 }
106 eventType = xpp.next();
107 }
108 } catch (XmlPullParserException e) {
110 throw new RuntimeException (e);
111 } catch (IOException e) {
112 throw new RuntimeException (e);
113 }
114 }
115
116 public void close()
117 {
118 try {
119 reader.close();
120 } catch (IOException e) {
121 throw new RuntimeException (e);
122 }
123 }
124
125 protected String nameSpace;
126
131 public String getNameSpace() {
132 return nameSpace;
133 }
134
135 protected String contentType;
136
140 public String getContentType() {
141 return contentType;
142 }
143
144 protected List imageInfo;
145
151 public List getImageInfo()
152 {
153 if (imageInfo == null)
154 imageInfo = new ArrayList ();
155
156 return imageInfo;
157 }
158
159 protected boolean foundContentType = false;
160 protected void findContentType(String s)
161 {
162 StringBuffer sb = new StringBuffer (s);
163 int index = index = sb.indexOf(APPLICATION);;
164 if (index != -1) {
165 contentType = sb.substring(index);
166 foundContentType = true;
167 if (debug)
168 LOGGER.debug("contentType = "+contentType);
169 }
170 }
171
172 protected void checkImageEntry(String attrName, int attributeIndex)
173 {
174 StringBuffer sb = new StringBuffer (attrName);
175 if (sb.indexOf(IMAGE) != -1)
176 {
177 String [] imageInfo = new String [2];
178
179 String imageType = removeDirectory(attrName);
180 String imagePath = xpp.getAttributeValue(attributeIndex + 1);
181 String imageName = removeDirectory(imagePath);
182 imageInfo[0] = imageType;
183 imageInfo[1] = imageName;
184 getImageInfo().add(imageInfo);
185
186 if (debug) {
187 LOGGER.debug("Image "+getImageInfo().size());
188 LOGGER.debug("imageType = "+imageType);
189 LOGGER.debug("imagePath = "+imagePath);
190 }
191 }
192 }
193
194 protected String removeDirectory(String s)
195 {
196 StringBuffer sb = new StringBuffer (s);
197 int index = sb.lastIndexOf("/");
198 if (index != -1) {
199 return sb.substring(index + 1);
200 }
201 return null;
202 }
203 }
204 |
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