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/*
* 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.catalina.webresources;
import java.io.IOException;
import java.io.InputStream;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarInputStream;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.buf.UriUtil;
/**
* Represents a single resource (file or directory) that is located within a JAR that in turn is located in a WAR file.
*/
public class JarWarResource extends AbstractArchiveResource {
private static final Log log = LogFactory.getLog(JarWarResource.class);
private final String archivePath;
public JarWarResource(AbstractArchiveResourceSet archiveResourceSet, String webAppPath, String baseUrl,
JarEntry jarEntry, String archivePath) {
super(archiveResourceSet, webAppPath, "jar:war:" + baseUrl + UriUtil.getWarSeparator() + archivePath + "!/",
jarEntry, "war:" + baseUrl + UriUtil.getWarSeparator() + archivePath);
this.archivePath = archivePath;
}
@Override
protected JarInputStreamWrapper getJarInputStreamWrapper() {
JarFile warFile = null;
JarInputStream jarIs = null;
JarEntry entry = null;
try {
warFile = getArchiveResourceSet().openJarFile();
JarEntry jarFileInWar = warFile.getJarEntry(archivePath);
InputStream isInWar = warFile.getInputStream(jarFileInWar);
jarIs = new JarInputStream(isInWar);
do {
entry = jarIs.getNextJarEntry();
} while (entry != null && !entry.getName().equals(getResource().getName()));
if (entry == null) {
return null;
}
return new JarInputStreamWrapper(entry, jarIs);
} catch (IOException e) {
if (log.isDebugEnabled()) {
log.debug(sm.getString("jarResource.getInputStreamFail", getResource().getName(), getBaseUrl()), e);
}
// Ensure jarIs is closed if there is an exception
entry = null;
return null;
} finally {
if (entry == null) {
if (jarIs != null) {
try {
jarIs.close();
} catch (IOException ioe) {
// Ignore
}
}
if (warFile != null) {
getArchiveResourceSet().closeJarFile();
}
}
}
}
@Override
protected Log getLog() {
return log;
}
}
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