src/main/org/apache/tools/ant/types/optional/depend/ClassfileSet.java

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Ant", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
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 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
package org.apache.tools.ant.types.optional.depend;



import java.util.List;
import java.util.ArrayList;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.FileSet;


/**
 * A DepSet is a FileSet, that enlists all classes that depend on a
 * certain class.
 *
 * A DependSet extends FileSets and uses another FileSet as input. The
 * nested FileSet attribute provides the domain, that is used for searching
 * for dependent classes
 *
 * @author <a href="mailto:hengels@innovidata.com">Holger Engels</a>
 */
public class ClassfileSet extends FileSet {
    private List rootClasses = new ArrayList();

    public static class ClassRoot {
        private String rootClass;
        
        public void setClassname(String name) {
            this.rootClass = name;
        }
        
        public String getClassname() {
            return rootClass;
        }
    }
    
    protected ClassfileSet(ClassfileSet s) {
        super(s);
        rootClasses = s.rootClasses;
    }

    public void setRootClass(String rootClass)
        throws BuildException
    {
        rootClasses.add(rootClass);
    }

    /**
     * Return the DirectoryScanner associated with this FileSet.
     */
    public DirectoryScanner getDirectoryScanner(Project p) {
        DependScanner scanner = new DependScanner();
        scanner.setBasedir(getDir(p));
        scanner.setRootClasses(rootClasses);
        scanner.scan();
        return scanner;
    } 
    
    public void addConfiguredRoot(ClassRoot root) {
        rootClasses.add(root.getClassname());    
    }

    public Object clone() {
        if (isReference()) {
            return new ClassfileSet((ClassfileSet) getRef(getProject()));
        } else {
            return new ClassfileSet(this);
        }
    }
}