/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
 * Other names may be trademarks of their respective owners.
 *
 * 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
 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. 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
 * nbbuild/licenses/CDDL-GPL-2-CP.  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. If applicable, add the following below the
 * License Header, with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * Contributor(s):
 *
 * The Original Software is NetBeans. The Initial Developer of the Original
 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
 * Microsystems, Inc. All Rights Reserved.
 *
 * 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 do not 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.netbeans.nbbuild;

import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.taskdefs.CallTarget;
import org.apache.tools.ant.taskdefs.Property;

/**
 * For each of specified property values calls target task of a specified name
 * with property set to one of these values
 *
 * @author  Radim Kubacki
 */
public class Repeat extends Task {
    
    private List<String> values;
    private String target;
    private String startdir;
    private String name;
    
    //
    // init
    //
    
    public Repeat() {
        values = new ArrayList<String>();
        target    = null;
    }

    //
    // itself
    //

    /** Name of property that will be set for each call. */
    public void setName (String s) {
        log ("SET name = " + s, Project.MSG_DEBUG);

        name = s;
    }
    
    /** Comma separated list of values. */
    public void setValues (String s) {
        log ("SET values = " + s, Project.MSG_DEBUG);

        StringTokenizer tok = new StringTokenizer (s, ", ");
        values = new ArrayList<String>();
        while ( tok.hasMoreTokens() ) {
            values.add (tok.nextToken().trim());
        }
    }
    
    /** Name of target which will be used with ant task. If not specified,
     * owning target name is used.
     */
    public void setTarget (String s) {
        log ("SET target = " + s, Project.MSG_DEBUG);

        target = s;
    }

    /** Execute this task. */
    public void execute () throws BuildException {        
        if ( values.isEmpty() ) {
            throw new BuildException("You must set at least one value!", getLocation());
        }

        if ( target == null ) {
            throw new BuildException("Target must be set!", getLocation());
        }

        for (String val : values) {
            log ("Process '" + val + "' location with '" + target + "' target ...", Project.MSG_VERBOSE);
            
            CallTarget antCall = (CallTarget) getProject().createTask("antcall");
            antCall.init();
            antCall.setLocation(getLocation());
            
            // ant.setDir (dir);
            antCall.setTarget (target);
            Property prop = antCall.createParam();
            prop.setName(name);
            prop.setValue(val);
            
            antCall.execute();
        }
    }
    
}
