private Class<?> findClassInComponents(final String name) throws ClassNotFoundException {
final String classFilename = this.getClassFilename(name);
final Enumeration<File> e = this.pathComponents.elements();
while (e.hasMoreElements()) {
final File pathComponent = e.nextElement();
InputStream stream = null;
try {
stream = this.getResourceStream(pathComponent, classFilename);
if (stream != null) {
this.log("Loaded from " + pathComponent + " " + classFilename, 4);
return this.getClassFromStream(stream, name, pathComponent);
}
continue;
} catch (SecurityException se) {
throw se;
} catch (IOException ioe) {
this.log(
"Exception reading component " + pathComponent + " (reason: " + ioe.getMessage() + ")",
3);
} finally {
FileUtils.close(stream);
}
}
throw new ClassNotFoundException(name);
}
public URL getResource(final String name) {
URL url = null;
if (this.isParentFirst(name)) {
url = ((this.parent == null) ? super.getResource(name) : this.parent.getResource(name));
}
if (url != null) {
this.log("Resource " + name + " loaded from parent loader", 4);
} else {
final Enumeration<File> e = this.pathComponents.elements();
while (e.hasMoreElements() && url == null) {
final File pathComponent = e.nextElement();
url = this.getResourceURL(pathComponent, name);
if (url != null) {
this.log("Resource " + name + " loaded from ant loader", 4);
}
}
}
if (url == null && !this.isParentFirst(name)) {
if (this.ignoreBase) {
url = ((this.getRootLoader() == null) ? null : this.getRootLoader().getResource(name));
} else {
url = ((this.parent == null) ? super.getResource(name) : this.parent.getResource(name));
}
if (url != null) {
this.log("Resource " + name + " loaded from parent loader", 4);
}
}
if (url == null) {
this.log("Couldn't load Resource " + name, 4);
}
return url;
}
public void addJavaLibraries() {
final Vector<String> packages = JavaEnvUtils.getJrePackages();
final Enumeration<String> e = packages.elements();
while (e.hasMoreElements()) {
final String packageName = e.nextElement();
this.addSystemPackageRoot(packageName);
}
}
private InputStream loadResource(final String name) {
InputStream stream = null;
File pathComponent;
for (Enumeration<File> e = this.pathComponents.elements();
e.hasMoreElements() && stream == null;
stream = this.getResourceStream(pathComponent, name)) {
pathComponent = e.nextElement();
}
return stream;
}
public String getClasspath() {
final StringBuilder sb = new StringBuilder();
boolean firstPass = true;
final Enumeration<File> componentEnum = this.pathComponents.elements();
while (componentEnum.hasMoreElements()) {
if (!firstPass) {
sb.append(System.getProperty("path.separator"));
} else {
firstPass = false;
}
sb.append(componentEnum.nextElement().getAbsolutePath());
}
return sb.toString();
}
public synchronized void cleanup() {
final Enumeration<JarFile> e = this.jarFiles.elements();
while (e.hasMoreElements()) {
final JarFile jarFile = e.nextElement();
try {
jarFile.close();
} catch (IOException ex) {
}
}
this.jarFiles = new Hashtable<File, JarFile>();
if (this.project != null) {
this.project.removeBuildListener(this);
}
this.project = null;
}
private boolean isParentFirst(final String resourceName) {
boolean useParentFirst = this.parentFirst;
Enumeration<String> e = this.systemPackages.elements();
while (e.hasMoreElements()) {
final String packageName = e.nextElement();
if (resourceName.startsWith(packageName)) {
useParentFirst = true;
break;
}
}
e = this.loaderPackages.elements();
while (e.hasMoreElements()) {
final String packageName = e.nextElement();
if (resourceName.startsWith(packageName)) {
useParentFirst = false;
break;
}
}
return useParentFirst;
}