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Payara-Embedded-All Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
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* exception as provided by Oracle in the GPL Version 2 section of the License
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*
* Modifications:
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* enclosed by brackets [] replaced by your own identifying information:
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*/
package com.sun.enterprise.util.net;
import com.sun.enterprise.util.CULoggerInfo;
import java.io.File;
import java.net.URI;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
public class JarURIPattern {
private static final Logger logger = CULoggerInfo.getLogger();
/**
* This method is used to extract URI of jar entries that match
* a given pattern.
* @param uri
* @param pattern
*/
public static List getJarEntries(URI uri, Pattern pattern) {
List results = new ArrayList();
File file = null;
try {
file = new File(uri);
} catch(Exception ex) {
// ignore
}
if (file == null || file.isDirectory()) {
return results;
}
String fileName = file.getName();
// only look at jar file
if (fileName.endsWith(".jar")) {
JarFile jarFile = null;
try {
jarFile = new JarFile(new File(uri));
Enumeration entries = jarFile.entries();
while (entries.hasMoreElements()) {
JarEntry entry = (JarEntry)entries.nextElement();
String entryName = entry.getName();
if (pattern.matcher(entryName).matches()) {
results.add(entryName);
}
}
} catch(Exception ex) {
if (logger.isLoggable(Level.WARNING)) {
logger.log(Level.WARNING,
CULoggerInfo.getString(CULoggerInfo.exceptionJarOpen, fileName),
ex);
}
throw new RuntimeException(ex);
} finally {
if (jarFile != null) {
try {
jarFile.close();
} catch (Throwable t) {
// Ignore
}
}
}
}
return results;
}
}