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/* Copyright 2006 aQute SARL
* Licensed under the Apache License, Version 2.0, see http://www.apache.org/licenses/LICENSE-2.0 */
package aQute.lib.osgi;
import java.io.*;
import java.util.*;
import java.util.regex.*;
import java.util.zip.*;
public class ZipResource implements Resource {
ZipFile zip;
ZipEntry entry;
long lastModified;
String extra;
ZipResource(ZipFile zip, ZipEntry entry, long lastModified) {
this.zip = zip;
this.entry = entry;
this.lastModified = lastModified;
}
public InputStream openInputStream() throws IOException {
return zip.getInputStream(entry);
}
public String toString() {
return ":" + entry.getName() + ":";
}
public static ZipFile build(Jar jar, File file) throws ZipException,
IOException {
return build(jar, file, null);
}
public static ZipFile build(Jar jar, File file, Pattern pattern)
throws ZipException, IOException {
try {
ZipFile zip = new ZipFile(file);
nextEntry: for (Enumeration<? extends ZipEntry> e = zip.entries(); e.hasMoreElements();) {
ZipEntry entry = e.nextElement();
if (pattern != null) {
Matcher m = pattern.matcher(entry.getName());
if (!m.matches())
continue nextEntry;
}
if (!entry.isDirectory()) {
long time = entry.getTime();
if ( time <= 0 )
time = file.lastModified();
jar.putResource(entry.getName(), new ZipResource(zip,
entry, time), true);
}
}
return zip;
} catch (FileNotFoundException e) {
throw new IllegalArgumentException("Problem opening JAR: "
+ file.getAbsolutePath());
}
}
public void write(OutputStream out) throws IOException {
FileResource.copy(this, out);
}
public long lastModified() {
return lastModified;
}
public String getExtra() {
return extra;
}
public void setExtra(String extra) {
this.extra = extra;
}
}