/*
* 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.deployer.kar;
import java.io.IOException;
import java.io.File;
import java.util.zip.ZipFile;
import org.apache.felix.fileinstall.ArtifactInstaller;
import org.apache.karaf.kar.KarService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class KarArtifactInstaller implements ArtifactInstaller {
public static final String FEATURE_CLASSIFIER = "features";
private static final Logger LOGGER = LoggerFactory.getLogger(KarArtifactInstaller.class);
private final static String KAR_SUFFIX = ".kar";
private final static String ZIP_SUFFIX = ".zip";
private KarService karService;
public void install(File file) throws Exception {
// check if the KAR is not already installed
if (karService.list().contains(file.getName())) {
LOGGER.info("KAR {} is already installed. Please uninstall it first.", file.getName());
return;
}
LOGGER.info("Installing KAR file {}", file);
karService.install(file.toURI());
}
public void uninstall(File file) throws Exception {
String karName = getKarName(file);
LOGGER.info("Uninstalling KAR {}", karName);
karService.uninstall(karName);
}
public void update(File file) throws Exception {
LOGGER.warn("Karaf archive {}' has been updated; redeploying.", file);
karService.uninstall(getKarName(file));
karService.install(file.toURI());
}
private String getKarName(File karFile) {
String karName = karFile.getName();
karName = karName.substring(0, karName.lastIndexOf("."));
return karName;
}
public boolean canHandle(File file) {
// If the file ends with .kar, then we can handle it!
//
if (file.isFile() && file.getName().endsWith(KAR_SUFFIX)) {
LOGGER.info("Found a .kar file to deploy.");
return true;
}
// Otherwise, check to see if it's a zip file containing a META-INF/KARAF.MF manifest.
//
else if (file.isFile() && file.getName().endsWith(ZIP_SUFFIX)) {
LOGGER.debug("Found a .zip file to deploy; checking contents to see if it's a Karaf archive.");
ZipFile zipFile = null;
try {
zipFile = new ZipFile(file);
if (zipFile.getEntry("META-INF/KARAF.MF") != null) {
LOGGER.info("Found a Karaf archive with .zip prefix; will deploy.");
return true;
}
} catch (Exception e) {
LOGGER.warn("Problem extracting zip file '{}'; ignoring.", file.getName(), e);
} finally {
try {
if (zipFile != null) {
zipFile.close();
}
} catch (IOException e) {
LOGGER.warn("Problem closing zip file '{}'; ignoring.", file.getName(), e);
}
}
}
return false;
}
public KarService getKarService() {
return karService;
}
public void setKarService(KarService karService) {
this.karService = karService;
}
}