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Glassfish example source code file (CommandExecutorImpl.java)
The Glassfish CommandExecutorImpl.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.enterprise.admin.cli.embeddable; import com.sun.enterprise.admin.cli.Parser; import org.glassfish.api.ActionReport; import org.glassfish.api.admin.CommandException; import org.glassfish.api.admin.CommandModel; import org.glassfish.api.admin.CommandRunner; import org.glassfish.api.admin.ParameterMap; import org.glassfish.embeddable.CommandResult; import org.jvnet.hk2.annotations.ContractProvided; import org.jvnet.hk2.annotations.Inject; import org.jvnet.hk2.annotations.Scoped; import org.jvnet.hk2.annotations.Service; import org.jvnet.hk2.component.Habitat; import org.jvnet.hk2.component.PerLookup; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.util.List; import java.util.logging.Logger; /** * @author bhavanishankar@dev.java.net * @author sanjeeb.sahoo@sun.com */ @Service() @Scoped(PerLookup.class) // this is a PerLookup service @ContractProvided(org.glassfish.embeddable.CommandRunner.class) // bcos CommandRunner interface can't depend on HK2, we need ContractProvided here. public class CommandExecutorImpl implements org.glassfish.embeddable.CommandRunner { @Inject CommandRunner commandRunner; @Inject Habitat habitat; private boolean terse; private Logger logger = Logger.getAnonymousLogger(); public CommandResult run(String command, String... args){ try { ActionReport actionReport = executeCommand(command, args); return convert(actionReport); } catch (Exception e) { return convert(e); } } private ParameterMap getParameters(String command, String[] args) throws CommandException { CommandModel commandModel = commandRunner.getModel(command, logger); if (command == null) { throw new CommandException("No command called " + command); } Parser parser = new Parser(args, 0, commandModel.getParameters(), false); ParameterMap options = parser.getOptions(); List<String> operands = parser.getOperands(); options.set("DEFAULT", operands); // if command has a "terse" option, set it in options if (commandModel.getModelFor("terse") != null) options.set("terse", Boolean.toString(terse)); return options; } public void setTerse(boolean terse) { this.terse = terse; } /* package */ ActionReport executeCommand(String command, String... args) throws CommandException { ParameterMap commandParams = getParameters(command, args); final ActionReport actionReport = createActionReport(); org.glassfish.api.admin.CommandRunner.CommandInvocation inv = commandRunner.getCommandInvocation(command, actionReport); inv.parameters(commandParams).execute(); return actionReport; } private CommandResult convert(final ActionReport actionReport) { return new CommandResult(){ public ExitStatus getExitStatus() { final ActionReport.ExitCode actionExitCode = actionReport.getActionExitCode(); switch (actionExitCode) { case SUCCESS: return ExitStatus.SUCCESS; case WARNING: return ExitStatus.WARNING; case FAILURE: return ExitStatus.FAILURE; default: throw new RuntimeException("Unknown exit code: " + actionExitCode); } } public String getOutput() { final ByteArrayOutputStream os = new ByteArrayOutputStream(); try { actionReport.writeReport(os); return os.toString(); } catch (IOException e) { throw new RuntimeException(e); } finally { try { os.close(); } catch (IOException e) { // ignore } } } public Throwable getFailureCause() { return actionReport.getFailureCause(); } }; } private CommandResult convert(final Exception e) { return new CommandResult() { public ExitStatus getExitStatus() { return ExitStatus.FAILURE; } public String getOutput() { return "Exception while executing command."; } public Throwable getFailureCause() { return e; } }; } private ActionReport createActionReport() { return habitat.getComponent(ActionReport.class, "plain"); } } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish CommandExecutorImpl.java source code file: |
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