org.apache.catalina.webresources.JarResource Maven / Gradle / Ivy
/*
* 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.Manifest;
import org.apache.catalina.WebResourceRoot;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
/**
* Represents a single resource (file or directory) that is located within a
* JAR.
*/
public class JarResource extends AbstractArchiveResource {
private static final Log log = LogFactory.getLog(JarResource.class);
public JarResource(WebResourceRoot root, String webAppPath, String base,
String baseUrl, JarEntry jarEntry, String internalPath,
Manifest manifest) {
super(root, webAppPath, base, "jar:" + baseUrl, jarEntry, internalPath,
manifest);
}
@Override
protected JarInputStreamWrapper getJarInputStreamWrapper() {
try {
JarFile jarFile = new JarFile(getBase());
// Need to create a new JarEntry so the certificates can be read
JarEntry jarEntry = jarFile.getJarEntry(getResource().getName());
InputStream is = jarFile.getInputStream(jarEntry);
return new JarInputStreamWrapper(jarFile, jarEntry, is);
} catch (IOException e) {
if (log.isDebugEnabled()) {
log.debug(sm.getString("fileResource.getInputStreamFail",
getResource().getName(), getBaseUrl()), e);
}
return null;
}
}
@Override
protected Log getLog() {
return log;
}
}