| /* |
| * 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.geode.management.internal.configuration.functions; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| |
| import com.healthmarketscience.rmiio.RemoteInputStream; |
| import com.healthmarketscience.rmiio.RemoteInputStreamServer; |
| import com.healthmarketscience.rmiio.SimpleRemoteInputStream; |
| import com.healthmarketscience.rmiio.exporter.RemoteStreamExporter; |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.cache.execute.FunctionContext; |
| import org.apache.geode.distributed.Locator; |
| import org.apache.geode.distributed.internal.InternalConfigurationPersistenceService; |
| import org.apache.geode.distributed.internal.InternalLocator; |
| import org.apache.geode.internal.cache.execute.InternalFunction; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| import org.apache.geode.management.internal.ManagementAgent; |
| import org.apache.geode.management.internal.SystemManagementService; |
| |
| public class DownloadJarFunction implements InternalFunction<Object[]> { |
| private static final Logger logger = LogService.getLogger(); |
| |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public void execute(FunctionContext<Object[]> context) { |
| InternalLocator locator = getLocator(); |
| Object[] args = context.getArguments(); |
| String group = (String) args[0]; |
| String jarName = (String) args[1]; |
| |
| RemoteInputStream result = null; |
| if (locator != null && group != null && jarName != null) { |
| InternalConfigurationPersistenceService sharedConfig = |
| locator.getConfigurationPersistenceService(); |
| if (sharedConfig != null) { |
| SystemManagementService managementService = getExistingManagementService(context); |
| ManagementAgent managementAgent = managementService.getManagementAgent(); |
| if (managementAgent == null) { |
| throw new IllegalStateException( |
| "Failed to download jar because JMX Management agent is not available. Please ensure geode property jmx-manager is set to true."); |
| } |
| |
| RemoteInputStreamServer istream = null; |
| try { |
| File jarFile = sharedConfig.getPathToJarOnThisLocator(group, jarName).toFile(); |
| |
| RemoteStreamExporter exporter = managementAgent.getRemoteStreamExporter(); |
| istream = |
| new SimpleRemoteInputStream(new BufferedInputStream(new FileInputStream(jarFile))); |
| result = exporter.export(istream); |
| istream = null; |
| |
| } catch (Exception e) { |
| logger.error(e); |
| throw new IllegalStateException(e.getMessage()); |
| } finally { |
| // we will only close the stream here if the server fails before |
| // returning an exported stream |
| if (istream != null) { |
| istream.close(); |
| } |
| } |
| } |
| } |
| |
| context.getResultSender().lastResult(result); |
| } |
| |
| InternalLocator getLocator() { |
| return (InternalLocator) Locator.getLocator(); |
| } |
| |
| SystemManagementService getExistingManagementService(FunctionContext<Object[]> context) { |
| return (SystemManagementService) SystemManagementService |
| .getExistingManagementService(context.getCache()); |
| } |
| |
| @Override |
| public String getId() { |
| return DownloadJarFunction.class.getName(); |
| } |
| |
| } |