plugins/org.eclipse.m2m.qvt.oml.common/src/org/eclipse/m2m/internal/qvt/oml/common/io/IOFolder.java

/*******************************************************************************
 * Copyright (c) 2007 Borland Software Corporation
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Borland Software Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.m2m.internal.qvt.oml.common.io;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class IOFolder extends IOResource implements CFolder {
    public IOFolder(String folder) {
        this(new File(folder));
    }
    
	public IOFolder(File folder) {
		super(folder);
		if(folder.exists() && !folder.isDirectory()) {
			throw new IllegalArgumentException("Not a directory: " + folder); //$NON-NLS-1$
		}
	}
	
	public CFile getFile(String name) {
		return new IOFile(new File(myFile, name));
	}

	public void create() {
		myFile.mkdirs();
	}

	public CFolder getFolder(String name) {
		return new IOFolder(new File(myFile, name));
	}
	
	public CResource[] members() {
		List<CResource> members = new ArrayList<CResource>();
		
		File[] children = myFile.listFiles();
		for(int i = 0; i < children.length; i++) {
			File child = children[i];
			CResource member;
			if(child.isDirectory()) {
				member = new IOFolder(child);
			}
			else {
				member = new IOFile(child);
			}
			
			members.add(member);
		}
		
		return members.toArray(new CResource[members.size()]);
	}
	
	public String getDefaultCharset() throws IOException {
		return getWorkspaceCharset();
	}
}