org.apache.catalina.webresources.TomcatJarInputStream 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.JarInputStream;
import java.util.zip.ZipEntry;
/**
* The purpose of this sub-class is to obtain references to the JarEntry objects
* for META-INF/ and META-INF/MANIFEST.MF that are otherwise swallowed by the
* JarInputStream implementation.
*/
public class TomcatJarInputStream extends JarInputStream {
private JarEntry metaInfEntry;
private JarEntry manifestEntry;
TomcatJarInputStream(InputStream in) throws IOException {
super(in);
}
@Override
protected ZipEntry createZipEntry(String name) {
ZipEntry ze = super.createZipEntry(name);
if (metaInfEntry == null && "META-INF/".equals(name)) {
metaInfEntry = (JarEntry) ze;
} else if (manifestEntry == null && "META-INF/MANIFESR.MF".equals(name)) {
manifestEntry = (JarEntry) ze;
}
return ze;
}
JarEntry getMetaInfEntry() {
return metaInfEntry;
}
JarEntry getManifestEntry() {
return manifestEntry;
}
}