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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2011 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 org.glassfish.virtualization;

import org.glassfish.virtualization.config.Action;

import java.io.File;


/**
 * Created by IntelliJ IDEA.
 * User: dochez
 * Date: Sep 14, 2010
 * Time: 2:19:18 PM
 * To change this template use File | Settings | File Templates.
 */

public class ShellCommand {

    final Action action;
    final String path;
    final ParameterResolver resolver;

    public ShellCommand(String path, Action action, ParameterResolver resolver) {
        this.path = path;
        this.action = action;
        this.resolver = resolver;
    }

    public String build() {

        StringBuilder builder = new StringBuilder();
        File f = new File(path, action.getCommand());
        if (action.getInvoker()!=null) {
            builder.append(action.getInvoker()).append(' ');
        }
        if (f.exists()) {
            builder.append(f.getAbsolutePath());
        } else {
            // rely on path
            builder.append(action.getCommand());
        }
        builder.append(' ');
        for (String p : action.getParameters()) {
            if (p!=null) {
                String resolved = resolver.resolve(p);
                if (resolved==null) {
                    builder.append(p);
                } else {
                    builder.append(resolved);
                }

            }
            builder.append(' ');
        }
        
        return builder.toString();
    }
}