org.apache.geode.management.internal.cli.functions.UndeployFunction.java Source code

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Here is the source code for org.apache.geode.management.internal.cli.functions.UndeployFunction.java

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/*
 * 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.cli.functions;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.ArrayUtils;
import org.apache.geode.internal.ClassPathLoader;
import org.apache.logging.log4j.Logger;

import org.apache.geode.SystemFailure;
import org.apache.geode.cache.CacheClosedException;
import org.apache.geode.cache.execute.Function;
import org.apache.geode.cache.execute.FunctionContext;
import org.apache.geode.distributed.DistributedMember;
import org.apache.geode.internal.InternalEntity;
import org.apache.geode.internal.DeployedJar;
import org.apache.geode.internal.JarDeployer;
import org.apache.geode.internal.cache.InternalCache;
import org.apache.geode.internal.logging.LogService;

public class UndeployFunction implements Function, InternalEntity {
    private static final Logger logger = LogService.getLogger();

    public static final String ID = UndeployFunction.class.getName();

    private static final long serialVersionUID = 1L;

    @Override
    public void execute(FunctionContext context) {
        // Declared here so that it's available when returning a Throwable
        String memberId = "";

        try {
            final Object[] args = (Object[]) context.getArguments();
            final String[] jarFilenameList = (String[]) args[0]; // Comma separated
            InternalCache cache = (InternalCache) context.getCache();

            final JarDeployer jarDeployer = ClassPathLoader.getLatest().getJarDeployer();

            DistributedMember member = cache.getDistributedSystem().getDistributedMember();

            memberId = member.getId();
            // If they set a name use it instead
            if (!member.getName().equals("")) {
                memberId = member.getName();
            }

            String[] undeployedJars = new String[0];
            if (ArrayUtils.isEmpty(jarFilenameList)) {
                final List<DeployedJar> jarClassLoaders = jarDeployer.findDeployedJars();
                undeployedJars = new String[jarClassLoaders.size() * 2];
                int index = 0;
                for (DeployedJar jarClassLoader : jarClassLoaders) {
                    undeployedJars[index++] = jarClassLoader.getJarName();
                    try {
                        undeployedJars[index++] = ClassPathLoader.getLatest().getJarDeployer()
                                .undeploy(jarClassLoader.getJarName());
                    } catch (IllegalArgumentException iaex) {
                        // It's okay for it to have have been uneployed from this server
                        undeployedJars[index++] = iaex.getMessage();
                    }
                }
            } else {
                List<String> undeployedList = new ArrayList<String>();
                for (String jarFilename : jarFilenameList) {
                    try {
                        undeployedList.add(jarFilename);
                        undeployedList.add(ClassPathLoader.getLatest().getJarDeployer().undeploy(jarFilename));
                    } catch (IllegalArgumentException iaex) {
                        // It's okay for it to not have been deployed to this server
                        undeployedList.add(iaex.getMessage());
                    }
                }
                undeployedJars = undeployedList.toArray(undeployedJars);
            }

            CliFunctionResult result = new CliFunctionResult(memberId, undeployedJars);
            context.getResultSender().lastResult(result);

        } catch (CacheClosedException cce) {
            CliFunctionResult result = new CliFunctionResult(memberId, false, null);
            context.getResultSender().lastResult(result);

        } catch (VirtualMachineError e) {
            SystemFailure.initiateFailure(e);
            throw e;

        } catch (Throwable th) {
            SystemFailure.checkFailure();
            logger.error("Could not undeploy JAR file: {}", th.getMessage(), th);
            CliFunctionResult result = new CliFunctionResult(memberId, th, null);
            context.getResultSender().lastResult(result);
        }
    }

    @Override
    public String getId() {
        return ID;
    }

    @Override
    public boolean hasResult() {
        return true;
    }

    @Override
    public boolean optimizeForWrite() {
        return false;
    }

    @Override
    public boolean isHA() {
        return false;
    }
}