/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.ivy.plugins.repository.jar;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.jar.JarFile;
import java.util.zip.ZipEntry;
import org.apache.ivy.plugins.repository.AbstractRepository;
import org.apache.ivy.plugins.repository.RepositoryCopyProgressListener;
import org.apache.ivy.plugins.repository.Resource;
import org.apache.ivy.plugins.repository.TransferEvent;
import org.apache.ivy.util.FileUtil;
public class JarRepository extends AbstractRepository {
private RepositoryCopyProgressListener progress = new RepositoryCopyProgressListener(this);
private JarFile jarFile;
public void setJarFile(JarFile jarFile) {
this.jarFile = jarFile;
}
public Resource getResource(String source) throws IOException {
return new JarResource(jarFile, source);
}
protected RepositoryCopyProgressListener getProgressListener() {
return progress;
}
public void get(String source, File destination) throws IOException {
fireTransferInitiated(getResource(source), TransferEvent.REQUEST_GET);
try {
ZipEntry entry = jarFile.getEntry(source);
if (entry == null) {
throw new FileNotFoundException();
}
getProgressListener().setTotalLength(new Long(entry.getSize()));
FileUtil.copy(jarFile.getInputStream(entry), destination, getProgressListener());
} catch (IOException ex) {
fireTransferError(ex);
throw ex;
} catch (RuntimeException ex) {
fireTransferError(ex);
throw ex;
} finally {
getProgressListener().setTotalLength(null);
}
}
public List/* <String> */list(String parent) throws IOException {
ZipEntry parentEntry = jarFile.getEntry(parent);
if (parentEntry == null || !parentEntry.isDirectory()) {
return null;
}
List/* <String> */children = new ArrayList();
Enumeration entries = jarFile.entries();
while (entries.hasMoreElements()) {
ZipEntry entry = (ZipEntry) entries.nextElement();
if (entry.getName().startsWith(parent) && entry.getName().equals(parentEntry.getName())) {
children.add(entry.getName());
}
}
return children;
}
}