org.eclipse.osgi.storage.bundlefile.ZipBundleEntry Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (c) 2005, 2018 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Rob Harrop - SpringSource Inc. (bug 253942)
*******************************************************************************/
package org.eclipse.osgi.storage.bundlefile;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.zip.ZipEntry;
/**
* A BundleEntry represented by a ZipEntry in a ZipFile. The ZipBundleEntry
* class is used for bundles that are installed as a ZipFile on a file system.
*/
public class ZipBundleEntry extends BundleEntry {
/**
* ZipEntry for this entry.
*/
protected final ZipEntry zipEntry;
/**
* The BundleFile for this entry.
*/
protected final ZipBundleFile bundleFile;
/**
* Constructs the BundleEntry using a ZipEntry.
* @param bundleFile BundleFile object this entry is a member of
* @param zipEntry ZipEntry object of this entry
*/
ZipBundleEntry(ZipEntry zipEntry, ZipBundleFile bundleFile) {
this.zipEntry = zipEntry;
this.bundleFile = bundleFile;
}
/**
* Return an InputStream for the entry.
*
* @return InputStream for the entry
* @exception java.io.IOException
*/
@Override
public InputStream getInputStream() throws IOException {
return bundleFile.getInputStream(zipEntry);
}
/**
* Return size of the uncompressed entry.
*
* @return size of entry
*/
@Override
public long getSize() {
return zipEntry.getSize();
}
/**
* Return name of the entry.
*
* @return name of entry
*/
@Override
public String getName() {
return zipEntry.getName();
}
/**
* Get the modification time for this BundleEntry.
* If the modification time has not been set,
* this method will return -1.
*
* @return last modification time.
*/
@Override
public long getTime() {
return zipEntry.getTime();
}
@SuppressWarnings("deprecation")
@Override
public URL getLocalURL() {
try {
return new URL("jar:" + bundleFile.basefile.toURL() + "!/" + zipEntry.getName()); //$NON-NLS-1$//$NON-NLS-2$
} catch (MalformedURLException e) {
//This can not happen.
return null;
}
}
@SuppressWarnings("deprecation")
@Override
public URL getFileURL() {
try {
File file = bundleFile.getFile(zipEntry.getName(), false);
if (file != null)
return file.toURL();
} catch (MalformedURLException e) {
//This can not happen.
}
return null;
}
}