/* | |
* 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.karaf.diagnostic.core.common; | |
import java.io.File; | |
import java.io.FileNotFoundException; | |
import java.io.FileOutputStream; | |
import java.io.OutputStream; | |
import java.util.zip.ZipEntry; | |
import java.util.zip.ZipOutputStream; | |
import org.apache.karaf.diagnostic.core.DumpDestination; | |
/** | |
* Class which packages dumps to ZIP archive. | |
*/ | |
public class ZipDumpDestination implements DumpDestination { | |
/** | |
* Destination streem. | |
*/ | |
private ZipOutputStream outputStream; | |
/** | |
* Creates new dump in given directory. | |
* | |
* @param directory Target directory. | |
* @param name Name of the archive. | |
*/ | |
public ZipDumpDestination(File directory, String name) { | |
this(new File(directory, name)); | |
} | |
/** | |
* Creates new dump in given file (zip archive). | |
* | |
* @param file Destination file. | |
*/ | |
public ZipDumpDestination(File file) { | |
try { | |
outputStream = new ZipOutputStream(new FileOutputStream( | |
file)); | |
} catch (FileNotFoundException e) { | |
// sometimes this can occur, but we simply re throw and let | |
// caller handle exception | |
throw new RuntimeException("Unable to create dump destination", e); | |
} | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
public OutputStream add(String name) throws Exception { | |
ZipEntry zipEntry = new ZipEntry(name); | |
outputStream.putNextEntry(zipEntry); | |
return new ClosingEntryOutputStreamWrapper(outputStream); | |
} | |
/** | |
* Closes archive handle. | |
*/ | |
public void save() throws Exception { | |
outputStream.close(); | |
} | |
} |