//------------------------------------------------------------------------------
// Copyright (c) 2005, 2007 IBM Corporation and others.
// 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.library.services;


public class ElementFile implements Comparable {
	String guid;
	String fileName;
	
	public ElementFile(String guid, String fileName) {
		this.guid = guid;
		this.fileName = fileName;
	}
	
	public boolean equals(Object e)	{
		ElementFile eFile = (ElementFile) e;
		
		if (!(getGuid().equals(eFile.getGuid())) 
				&& getFileName().equals(eFile.getFileName())) {
			return appendIndex();
		}
		return getFileName().equals(eFile.getFileName());
	}
	
	public int hashCode() {
		return fileName.hashCode();
	}
	
	public int compareTo(Object aFile) {		
		if (aFile instanceof ElementFile)
		{
			ElementFile e = (ElementFile) aFile;
			return fileName.compareTo(e.getFileName());
		}
		return 1;
	}
	
	public void setFileName(String fName) {
		fileName = fName;
	}
	
	public String getFileName()	{
		return fileName;
	}
	
	public String getGuid()	{
		return guid;
	}
	
	private boolean appendIndex() {
		StringBuffer tString = new StringBuffer(getFileName());
		int begindIdx = getFileName().lastIndexOf("-");
		int endIdx = getFileName().lastIndexOf(".htm");
		if (begindIdx > -1 && endIdx > -1) {
			String idxString = getFileName().substring(begindIdx+1, endIdx);
			if (idxString != null && idxString.length() > 0) {
				try {
					int aInt = Integer.parseInt(idxString);
					if (aInt > 0) {
						tString.replace(begindIdx+1, endIdx, Integer.toString(++aInt));	
						setFileName(tString.toString());
						return false;
					}
					return true;
				} catch(NumberFormatException nfe) {
					tString.insert(endIdx, "-1");
					setFileName(tString.toString());
					return false;
				}
			}
		} else if (endIdx > -1) {			
			tString.insert(endIdx, "-1");
			setFileName(tString.toString());
			return false;
		}
		
		return true;
	}
}