/* | |
* 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.common; | |
import java.io.IOException; | |
import java.io.OutputStreamWriter; | |
import java.util.HashMap; | |
import java.util.Map; | |
import org.apache.karaf.diagnostic.core.common.TextDumpProvider; | |
import org.osgi.framework.Bundle; | |
import org.osgi.framework.BundleContext; | |
/** | |
* Dump provider which produces file named bundles.txt with list of | |
* installed bundles and it's state. | |
*/ | |
public class BundleDumpProvider extends TextDumpProvider { | |
/** | |
* Static map with state mask to string representation. | |
*/ | |
private static Map<Integer, String> stateMap = new HashMap<Integer, String>(); | |
/** | |
* Map bundle states to string representation. | |
*/ | |
static { | |
stateMap.put(0x00000001, "UNINSTALLED"); | |
stateMap.put(0x00000002, "INSTALLED"); | |
stateMap.put(0x00000004, "RESOLVED"); | |
stateMap.put(0x00000008, "STARTING"); | |
stateMap.put(0x00000010, "STOPPING"); | |
stateMap.put(0x00000020, "ACTIVE"); | |
} | |
/** | |
* Bundle context. | |
*/ | |
private BundleContext bundleContext; | |
/** | |
* Creates new bundle information file. | |
* | |
* @param context Bundle context to access framework state. | |
*/ | |
public BundleDumpProvider(BundleContext context) { | |
super("bundles.txt"); | |
this.bundleContext = context; | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
protected void writeDump(OutputStreamWriter writer) throws IOException { | |
// get bundle states | |
Bundle[] bundles = bundleContext.getBundles(); | |
writer.write("Number of installed bundles " + bundles.length + "\n"); | |
// create file header | |
writer.write("Id\tSymbolic name\tState\n"); | |
for (Bundle bundle : bundles) { | |
// write row :) | |
writer.write(bundle.getBundleId() + "\t" + bundle.getSymbolicName() | |
+ "\t" + stateMap.get(bundle.getState()) + "\n"); | |
} | |
writer.flush(); | |
} | |
} |