| /* |
| * 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.felix.webconsole.internal.core; |
| |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.apache.felix.webconsole.internal.Logger; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleException; |
| import org.osgi.service.log.LogService; |
| import org.osgi.service.packageadmin.PackageAdmin; |
| |
| |
| abstract class BaseUpdateInstallHelper extends Thread |
| { |
| |
| private final File bundleFile; |
| |
| private final boolean refreshPackages; |
| |
| |
| BaseUpdateInstallHelper( String name, File bundleFile, boolean refreshPackages ) |
| { |
| super( name ); |
| setDaemon( true ); |
| |
| this.bundleFile = bundleFile; |
| this.refreshPackages = refreshPackages; |
| } |
| |
| |
| protected File getBundleFile() |
| { |
| return bundleFile; |
| } |
| |
| |
| protected abstract Bundle doRun( InputStream bundleStream ) throws BundleException; |
| |
| |
| protected abstract Logger getLog(); |
| |
| |
| protected abstract Object getService( String serviceName ); |
| |
| |
| /** |
| * @return the installed bundle or <code>null</code> if no bundle was touched |
| * @throws BundleException |
| * @throws IOException |
| */ |
| protected Bundle doRun() throws BundleException, IOException |
| { |
| // now deploy the resolved bundles |
| InputStream bundleStream = null; |
| try |
| { |
| bundleStream = new FileInputStream( bundleFile ); |
| return doRun( bundleStream ); |
| } |
| finally |
| { |
| if ( bundleStream != null ) |
| { |
| try |
| { |
| bundleStream.close(); |
| } |
| catch ( IOException ignore ) |
| { |
| } |
| } |
| } |
| |
| } |
| |
| |
| public void run() |
| { |
| // wait some time for the request to settle |
| sleepSilently( 500L ); |
| |
| // now deploy the resolved bundles |
| try |
| { |
| // we need the package admin before we call the bundle |
| // installation or update, since we might be updating |
| // our selves in which case the bundle context will be |
| // invalid by the time we want to call the update |
| PackageAdmin pa = ( refreshPackages ) ? ( PackageAdmin ) getService( PackageAdmin.class.getName() ) : null; |
| |
| Bundle bundle = doRun(); |
| |
| if ( pa != null && bundle != null ) |
| { |
| // wait for asynchronous bundle start tasks to finish |
| sleepSilently( 2000L ); |
| |
| pa.refreshPackages( new Bundle[] |
| { bundle } ); |
| } |
| } |
| catch ( IOException ioe ) |
| { |
| getLog().log( LogService.LOG_ERROR, "Cannot install or update bundle from " + bundleFile, ioe ); |
| } |
| catch ( BundleException be ) |
| { |
| getLog().log( LogService.LOG_ERROR, "Cannot install or update bundle from " + bundleFile, be ); |
| } |
| finally |
| { |
| if ( bundleFile != null ) |
| { |
| bundleFile.delete(); |
| } |
| } |
| } |
| |
| |
| protected void sleepSilently( long msecs ) |
| { |
| try |
| { |
| sleep( msecs ); |
| } |
| catch ( InterruptedException ie ) |
| { |
| // don't care |
| } |
| } |
| } |