Repeat.java

/*
 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

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();
        }
    }
    
}