/*
* Returns the URL for a resource with the specified name
*/
URL findResource(final String name, boolean check) {
Resource rsc = getResource(name, check);
if (rsc != null) {
return rsc.getURL();
}
return null;
}
public URL nextElement() {
if (!next()) {
throw new NoSuchElementException();
} else {
Resource resource = myRes;
myRes = null;
return resource.getURL();
}
}
/*
* Defines a Class using the class bytes obtained from the specified
* Resource. The resulting Class must be resolved before it can be
* used.
*/
private Class<?> _defineClass(String name, Resource res) throws IOException {
long t0 = System.nanoTime();
int i = name.lastIndexOf('.');
URL url = res.getCodeSourceURL();
if (i != -1) {
String pkgname = name.substring(0, i);
// Check if package already loaded.
Manifest man = res.getManifest();
_definePackageInternal(pkgname, man, url);
}
// Now read the class bytes and define the class
java.nio.ByteBuffer bb = res.getByteBuffer();
if (bb != null) {
// Use (direct) ByteBuffer:
CodeSigner[] signers = res.getCodeSigners();
CodeSource cs = new CodeSource(url, signers);
sun.misc.PerfCounter.getReadClassBytesTime().addElapsedTimeFrom(t0);
return defineClass(name, bb, cs);
} else {
byte[] b = res.getBytes();
// must read certificates AFTER reading bytes.
CodeSigner[] signers = res.getCodeSigners();
CodeSource cs = new CodeSource(url, signers);
sun.misc.PerfCounter.getReadClassBytesTime().addElapsedTimeFrom(t0);
return defineClass(name, b, 0, b.length, cs);
}
}
@SuppressWarnings("UseOfSystemOutOrSystemErr")
private static synchronized void printOrder(Loader loader, String url, Resource resource) {
if (!ourDumpOrder) return;
if (!ourOrderedUrls.add(url)) return;
String home = FileUtil.toSystemIndependentName(PathManager.getHomePath());
try {
ourOrderSize += resource.getContentLength();
} catch (IOException e) {
e.printStackTrace(System.out);
}
if (ourOrder == null) {
final File orderFile = new File(PathManager.getBinPath() + File.separator + "order.txt");
try {
if (!FileUtil.ensureCanCreateFile(orderFile)) return;
ourOrder = new PrintStream(new FileOutputStream(orderFile, true));
ShutDownTracker.getInstance()
.registerShutdownTask(
new Runnable() {
public void run() {
ourOrder.close();
System.out.println(ourOrderSize);
}
});
} catch (IOException e) {
return;
}
}
if (ourOrder != null) {
String jarURL = FileUtil.toSystemIndependentName(loader.getBaseURL().getFile());
jarURL = StringUtil.trimStart(jarURL, "file:/");
if (jarURL.startsWith(home)) {
jarURL = jarURL.replaceFirst(home, "");
jarURL = StringUtil.trimEnd(jarURL, "!/");
ourOrder.println(url + ":" + jarURL);
}
}
}
public int getContentLength() throws IOException {
return delegatedResource == null ? null : delegatedResource.getContentLength();
}
public InputStream getInputStream() throws IOException {
return delegatedResource == null ? null : delegatedResource.getInputStream();
}
public URL getCodeSourceURL() {
return delegatedResource == null ? null : delegatedResource.getCodeSourceURL();
}
