protected void addPathFile(final File pathComponent) throws IOException {
if (!this.pathComponents.contains(pathComponent)) {
this.pathComponents.addElement(pathComponent);
}
if (pathComponent.isDirectory()) {
return;
}
final String absPathPlusTimeAndLength =
pathComponent.getAbsolutePath()
+ pathComponent.lastModified()
+ "-"
+ pathComponent.length();
String classpath = AntClassLoader.pathMap.get(absPathPlusTimeAndLength);
if (classpath == null) {
JarFile jarFile = null;
try {
jarFile = new JarFile(pathComponent);
final Manifest manifest = jarFile.getManifest();
if (manifest == null) {
return;
}
classpath = manifest.getMainAttributes().getValue(Attributes.Name.CLASS_PATH);
} finally {
if (jarFile != null) {
jarFile.close();
}
}
if (classpath == null) {
classpath = "";
}
AntClassLoader.pathMap.put(absPathPlusTimeAndLength, classpath);
}
if (!"".equals(classpath)) {
final URL baseURL = AntClassLoader.FILE_UTILS.getFileURL(pathComponent);
final StringTokenizer st = new StringTokenizer(classpath);
while (st.hasMoreTokens()) {
final String classpathElement = st.nextToken();
final URL libraryURL = new URL(baseURL, classpathElement);
if (!libraryURL.getProtocol().equals("file")) {
this.log(
"Skipping jar library "
+ classpathElement
+ " since only relative URLs are supported by this"
+ " loader",
3);
} else {
final String decodedPath = Locator.decodeUri(libraryURL.getFile());
final File libraryFile = new File(decodedPath);
if (!libraryFile.exists() || this.isInPath(libraryFile)) {
continue;
}
this.addPathFile(libraryFile);
}
}
}
}
private Manifest getJarManifest(final File container) throws IOException {
if (container.isDirectory()) {
return null;
}
final JarFile jarFile = this.jarFiles.get(container);
if (jarFile == null) {
return null;
}
return jarFile.getManifest();
}
private Certificate[] getCertificates(final File container, final String entry)
throws IOException {
if (container.isDirectory()) {
return null;
}
final JarFile jarFile = this.jarFiles.get(container);
if (jarFile == null) {
return null;
}
final JarEntry ent = jarFile.getJarEntry(entry);
return (Certificate[]) ((ent == null) ? null : ent.getCertificates());
}
private void index() throws IOException {
Enumeration entries = _jar.entries();
_nameToEntryMap = new HashMap();
_crcToEntryMap = new HashMap();
_entries = new ArrayList();
if (_debug) {
System.out.println("indexing: " + _jar.getName());
}
if (entries != null) {
while (entries.hasMoreElements()) {
JarEntry entry = (JarEntry) entries.nextElement();
long crc = entry.getCrc();
Long crcL = new Long(crc);
if (_debug) {
System.out.println("\t" + entry.getName() + " CRC " + crc);
}
_nameToEntryMap.put(entry.getName(), entry);
_entries.add(entry);
// generate the CRC to entries map
if (_crcToEntryMap.containsKey(crcL)) {
// key exist, add the entry to the correcponding
// linked list
// get the linked list
LinkedList ll = (LinkedList) _crcToEntryMap.get(crcL);
// put in the new entry
ll.add(entry);
// put it back in the hash map
_crcToEntryMap.put(crcL, ll);
} else {
// create a new entry in the hashmap for the new key
// first create the linked list and put in the new
// entry
LinkedList ll = new LinkedList();
ll.add(entry);
// create the new entry in the hashmap
_crcToEntryMap.put(crcL, ll);
}
}
}
}
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 static Hashtable<String, String> getManifestAttributes(File jarFile) {
Hashtable<String, String> h = new Hashtable<String, String>();
JarFile jar = null;
try {
jar = new JarFile(jarFile);
Manifest manifest = jar.getManifest();
h = getManifestAttributes(manifest);
} catch (Exception ex) {
}
if (jar != null) {
try {
jar.close();
} catch (Exception ignore) {
}
}
return h;
}
protected URL getResourceURL(final File file, final String resourceName) {
try {
JarFile jarFile = this.jarFiles.get(file);
if (jarFile == null && file.isDirectory()) {
final File resource = new File(file, resourceName);
if (resource.exists()) {
try {
return AntClassLoader.FILE_UTILS.getFileURL(resource);
} catch (MalformedURLException ex) {
return null;
}
}
} else {
if (jarFile == null) {
if (!file.exists()) {
return null;
}
jarFile = new JarFile(file);
this.jarFiles.put(file, jarFile);
jarFile = this.jarFiles.get(file);
}
final JarEntry entry = jarFile.getJarEntry(resourceName);
if (entry != null) {
try {
return new URL("jar:" + AntClassLoader.FILE_UTILS.getFileURL(file) + "!/" + entry);
} catch (MalformedURLException ex) {
return null;
}
}
}
} catch (Exception e) {
final String msg = "Unable to obtain resource from " + file + ": ";
this.log(msg + e, 1);
System.err.println(msg);
e.printStackTrace();
}
return null;
}
private InputStream getResourceStream(final File file, final String resourceName) {
try {
JarFile jarFile = this.jarFiles.get(file);
if (jarFile == null && file.isDirectory()) {
final File resource = new File(file, resourceName);
if (resource.exists()) {
return new FileInputStream(resource);
}
} else {
if (jarFile == null) {
if (!file.exists()) {
return null;
}
jarFile = new JarFile(file);
this.jarFiles.put(file, jarFile);
jarFile = this.jarFiles.get(file);
}
final JarEntry entry = jarFile.getJarEntry(resourceName);
if (entry != null) {
return jarFile.getInputStream(entry);
}
}
} catch (Exception e) {
this.log(
"Ignoring Exception "
+ e.getClass().getName()
+ ": "
+ e.getMessage()
+ " reading resource "
+ resourceName
+ " from "
+ file,
3);
}
return null;
}
