org.killbill.billing.osgi.PureOSGIBundleFinder Maven / Gradle / Ivy
/*
* Copyright 2010-2013 Ning, Inc.
* Copyright 2014 Groupon, Inc
* Copyright 2014 The Billing Project, LLC
*
* The Billing Project 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.killbill.billing.osgi;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.killbill.billing.osgi.config.OSGIConfig;
import org.killbill.billing.osgi.pluginconf.PluginConfigException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.ImmutableList;
@Singleton
public class PureOSGIBundleFinder {
private final Logger logger = LoggerFactory.getLogger(Logger.class);
private final OSGIConfig osgiConfig;
// Pure OSGI bundle use their OSGI symbolicName as a pluginName. In order to provide a way to restart them
// we need to keep a mapping between the pluginName (used for the api call) and the path on the filesystem
private final Map osgiPluginNameMapping;
@Inject
public PureOSGIBundleFinder(final OSGIConfig osgiConfig) {
this.osgiConfig = osgiConfig;
this.osgiPluginNameMapping = new HashMap();
}
public List getLatestBundles() throws PluginConfigException {
final String rootDirPath = getPlatformOSGIBundlesRootDir();
final File rootDir = new File(rootDirPath);
if (!rootDir.exists() || !rootDir.isDirectory()) {
logger.warn("Configuration root dir {} is not a valid directory", rootDirPath);
return ImmutableList.of();
}
final File[] files = rootDir.listFiles();
if (files == null) {
return ImmutableList.of();
}
final List bundles = new ArrayList();
for (final File bundleJar : files) {
if (bundleJar.isFile()) {
bundles.add(bundleJar.getAbsolutePath());
}
}
return bundles;
}
public String getOSGIPath(final String pluginName) {
return osgiPluginNameMapping.get(pluginName);
}
// Called when the system initialize itself and instantiate the OSGI bundle for the first time.
public void recordMappingPluginNameToPath(final String pluginName, final String path) {
osgiPluginNameMapping.put(pluginName, path);
}
public String getPlatformOSGIBundlesRootDir() {
return osgiConfig.getRootInstallationDir() + "/platform/";
}
}
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