WOFileSet.java

/* ====================================================================
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 * The ObjectStyle Group Software License, Version 1.0
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 * Copyright (c) 2002 - 2006 The ObjectStyle Group
 * and individual authors of the software.  All rights reserved.
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package org.objectstyle.woproject.ant;

import java.util.Hashtable;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.PropertyHelper;
import org.apache.tools.ant.types.FileSet;

/**
 * A subclass of FileSet with special support for building a destination directory.
 * 
 * @author Bob Schwarzmann
 */
public class WOFileSet extends FileSet {

	protected String ifCondition = "";

	/**
	 * Creates new WOFileSet.
	 */
	public WOFileSet() {
            super();
	}

	private static String replaceProperties(Project project, String value, Hashtable keys) throws BuildException {
		PropertyHelper ph = PropertyHelper.getPropertyHelper(project);
		return ph.replaceProperties(null, value, keys);
	}

	public void setIf(String string) {
		ifCondition = string == null ? "" : string;
	}

	protected boolean testIfCondition() {
		if ("".equals(ifCondition)) {
			return true;
		}

		String string = WOFileSet.replaceProperties(getProject(), ifCondition, getProject().getProperties());
		return getProject().getProperty(string) != null;
	}
}