89 */
90 public JarIndex(InputStream is) throws IOException {
91 this();
92 read(is);
93 }
94
95 /**
96 * Constructs a new index for the specified list of jar files.
97 *
98 * @param files the list of jar files to construct the index from.
99 */
100 public JarIndex(String[] files) throws IOException {
101 this();
102 this.jarFiles = files;
103 parseJars(files);
104 }
105
106 /**
107 * Returns the jar index, or <code>null</code> if none.
108 *
109 * This single parameter version of the method is retained
110 * for binary compatibility with earlier releases.
111 *
112 * @param jar the JAR file to get the index from.
113 * @exception IOException if an I/O error has occurred.
114 */
115 public static JarIndex getJarIndex(JarFile jar) throws IOException {
116 return getJarIndex(jar, null);
117 }
118
119 /**
120 * Returns the jar index, or <code>null</code> if none.
121 *
122 * @param jar the JAR file to get the index from.
123 * @exception IOException if an I/O error has occurred.
124 */
125 public static JarIndex getJarIndex(JarFile jar, MetaIndex metaIndex) throws IOException {
126 JarIndex index = null;
127 /* If metaIndex is not null, check the meta index to see
128 if META-INF/INDEX.LIST is contained in jar file or not.
129 */
130 if (metaIndex != null &&
131 !metaIndex.mayContain(INDEX_NAME)) {
132 return null;
133 }
134 JarEntry e = jar.getJarEntry(INDEX_NAME);
135 // if found, then load the index
136 if (e != null) {
137 index = new JarIndex(jar.getInputStream(e));
138 }
139 return index;
140 }
141
142 /**
143 * Returns the jar files that are defined in this index.
144 */
145 public String[] getJarFiles() {
146 return jarFiles;
147 }
148
149 /*
150 * Add the key, value pair to the hashmap, the value will
151 * be put in a linked list which is created if necessary.
152 */
153 private void addToList(String key, String value,
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89 */
90 public JarIndex(InputStream is) throws IOException {
91 this();
92 read(is);
93 }
94
95 /**
96 * Constructs a new index for the specified list of jar files.
97 *
98 * @param files the list of jar files to construct the index from.
99 */
100 public JarIndex(String[] files) throws IOException {
101 this();
102 this.jarFiles = files;
103 parseJars(files);
104 }
105
106 /**
107 * Returns the jar index, or <code>null</code> if none.
108 *
109 * @param jar the JAR file to get the index from.
110 * @exception IOException if an I/O error has occurred.
111 */
112 public static JarIndex getJarIndex(JarFile jar) throws IOException {
113 JarIndex index = null;
114 JarEntry e = jar.getJarEntry(INDEX_NAME);
115 // if found, then load the index
116 if (e != null) {
117 index = new JarIndex(jar.getInputStream(e));
118 }
119 return index;
120 }
121
122 /**
123 * Returns the jar files that are defined in this index.
124 */
125 public String[] getJarFiles() {
126 return jarFiles;
127 }
128
129 /*
130 * Add the key, value pair to the hashmap, the value will
131 * be put in a linked list which is created if necessary.
132 */
133 private void addToList(String key, String value,
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