/**
* Constructor.
*
* @param codeBaseLocator the codebase locator for this codebase
* @param file the File containing the zip file (may be a temp file if the codebase was copied
* from a nested zipfile in another codebase)
*/
public ZipInputStreamCodeBase(ICodeBaseLocator codeBaseLocator, File file) throws IOException {
super(codeBaseLocator);
this.file = file;
setLastModifiedTime(file.lastModified());
ZipInputStream zis = new ZipInputStream(new FileInputStream(file));
try {
ZipEntry ze;
if (DEBUG) {
System.out.println("Reading zip input stream " + file);
}
while ((ze = zis.getNextEntry()) != null) {
String name = ze.getName();
if (!ze.isDirectory()
&& (name.equals("META-INF/MANIFEST.MF")
|| name.endsWith(".class")
|| Archive.isArchiveFileName(name))) {
entries.add(name);
if (name.equals("META-INF/MANIFEST.MF")) {
map.put(name, build(zis, ze));
}
}
zis.closeEntry();
}
} finally {
zis.close();
}
if (DEBUG) {
System.out.println("Done with zip input stream " + file);
}
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.ICodeBase#lookupResource(java.lang.String)
*/
public ICodeBaseEntry lookupResource(String resourceName) {
// Translate resource name, in case a resource name
// has been overridden and the resource is being accessed
// using the overridden name.
resourceName = translateResourceName(resourceName);
if (!entries.contains(resourceName)) {
return null;
}
try {
ZipInputStreamCodeBaseEntry z = map.get(resourceName);
if (z != null) {
return z;
}
ZipInputStream zis = new ZipInputStream(new FileInputStream(file));
try {
ZipEntry ze;
boolean found = false;
int countDown = 20;
while ((ze = zis.getNextEntry()) != null && countDown >= 0) {
if (ze.getName().equals(resourceName)) {
found = true;
}
if (found) {
countDown--;
if (map.containsKey(ze.getName())) {
continue;
}
z = build(zis, ze);
map.put(ze.getName(), z);
}
zis.closeEntry();
}
} finally {
zis.close();
}
z = map.get(resourceName);
if (z == null) {
throw new AssertionError("Could not find " + resourceName);
}
return z;
} catch (IOException e) {
return null;
}
}