com.sun.enterprise.v3.admin.ListCommandDescriptorsCommand Maven / Gradle / Ivy

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Micro Distribution of the Payara Project for IBM JDK
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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2006-2013 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:
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 */

package com.sun.enterprise.v3.admin;

import com.sun.enterprise.universal.collections.ManifestUtils;
import java.lang.reflect.Field;
import java.util.*;
import javax.inject.Inject;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AccessRequired;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.Service;

/**
 * Create data structures that describe the command.
 *
 * @author Jerome Dochez
 * 
 */
@Service(name="_list-descriptors")
@PerLookup
@I18n("list.commands")
@AccessRequired(resource="domain", action="dump")
public class ListCommandDescriptorsCommand implements AdminCommand {
    @Inject
    ServiceLocator habitat;

    @Override
    public void execute(AdminCommandContext context) {
        setAdminCommands();
        sort();
        
        for (AdminCommand cmd : adminCmds) {
            cliCmds.add(reflect(cmd));
        }
        ActionReport report = context.getActionReport();
        StringBuilder sb = new StringBuilder();
        sb.append("ALL COMMANDS: ").append(EOL);
        for(CLICommand cli : cliCmds) {
            sb.append(cli.toString()).append(EOL);
        }
        report.setMessage(sb.toString());
        report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
    }
    
    private CLICommand reflect(AdminCommand cmd) {
        CLICommand cliCmd = new CLICommand(cmd);

        for (Field f : cmd.getClass().getDeclaredFields()) {
            final Param param = f.getAnnotation(Param.class);
            if (param==null)
                continue;
            
            Option option = new Option(param, f);
            cliCmd.options.add(option);
        }
        return cliCmd;
    }
 
    private void setAdminCommands() {
        adminCmds = new ArrayList();
        for (AdminCommand command : habitat.getAllServices(AdminCommand.class)) {
            adminCmds.add(command);
        }
    }

    private void sort() {
        Collections.sort(adminCmds, new Comparator() {
            @Override
            public int compare(AdminCommand c1, AdminCommand c2) {
                Service service1 = c1.getClass().getAnnotation(Service.class);
                Service service2 = c2.getClass().getAnnotation(Service.class);
                
                String name1 = (service1 != null) ? service1.name() : "";
                String name2 = (service2 != null) ? service2.name() : "";
                
                return name1.compareTo(name2);
            }
        }
        );
    }
    
    private static boolean ok(String s) {
        return s != null && s.length() > 0 && !s.equals("null");
    }
    
    private List adminCmds;
    private List cliCmds = new LinkedList();
    private final static String EOL = ManifestUtils.EOL_TOKEN;
    
    private static class CLICommand {
        CLICommand(AdminCommand adminCommand) {
            this.adminCommand = adminCommand;
            Service service = adminCommand.getClass().getAnnotation(Service.class);
            name = (service != null) ? service.name() : "";
        }

        @Override
        public String toString() {
            StringBuilder sb = new StringBuilder();
            sb.append("CLI Command: name=").append(name);
            sb.append(" class=").append(adminCommand.getClass().getName()).append(EOL);
            
            for(Option opt : options) {
                sb.append(opt.toString()).append(EOL);
            }
            return sb.toString();
        }

        AdminCommand adminCommand;
        String name;
        List