JapsBasicTilesContainer.java

/*
*
* Copyright 2008 AgileTec s.r.l. (http://www.agiletec.it) All rights reserved.
*
* This file is part of jAPS software.
* jAPS is a free software; 
* you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation; version 2.
* 
* See the file License for the specific language governing permissions   
* and limitations under the License
* 
* 
* 
* Copyright 2008 AgileTec s.r.l. (http://www.agiletec.it) All rights reserved.
*
*/
package com.agiletec.apsadmin.system.tiles.impl;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.servlet.ServletContext;

import org.apache.tiles.impl.BasicTilesContainer;

/**
* @see com.agiletec.plugins.struts2.tiles.JapsStrutsTilesListener
* @author zuanni G.Cocco
*/
public class JapsBasicTilesContainer extends BasicTilesContainer {
	
	@Override
	public List<String> getResourceNames(String resourceString) {
		StringTokenizer tokenizer = new StringTokenizer(resourceString, ",");
		List<String> filenames = new ArrayList<String>();
		System.out.println(com.agiletec.apsadmin.system.tiles.impl.JapsBasicTilesContainer.class.getName() + " Tiles Conf files: ");
		while (tokenizer.hasMoreTokens()) {
			String currentFilename = tokenizer.nextToken().trim();
			int index = currentFilename.indexOf(AXTER);
			if (-1 == index) {
				filenames.add(currentFilename);
				System.out.println(com.agiletec.apsadmin.system.tiles.impl.JapsBasicTilesContainer.class.getName() + " " + currentFilename);
			} else {
				List<String> confFiles = new ArrayList<String>();
				String rootInspectionDir = currentFilename.substring(0, index);
				this.inspectResources(currentFilename, rootInspectionDir, confFiles);
				filenames.addAll(confFiles);
			}
		}
		return filenames;
	}
	
	private void inspectResources(String currentFilenamesConf, String rootInspectionDir, List<String> confFiles) {
		Set<String> resourcesPath = this.getServletContext().getResourcePaths(rootInspectionDir);
		Iterator<String> it = resourcesPath.iterator();
		while (it.hasNext()) {
			String current = it.next();
			if (!current.endsWith("/") && this.isConfResource(current, currentFilenamesConf)){
				confFiles.add(current);
				System.out.println(com.agiletec.apsadmin.system.tiles.impl.JapsBasicTilesContainer.class.getName() + " " + current);
			} else {
				this.inspectResources(currentFilenamesConf, current, confFiles);
			}
		}		
	}
	
	private boolean isConfResource(String current, String currentFilename) {
		String regExp = currentFilename.replaceAll(AXTER_REG_EXP, REG_EXP);
		Pattern p = Pattern.compile(regExp);
		Matcher m = p.matcher(current);
		return m.matches();
	}
	
	public void setServletContext(ServletContext servletContext) {
		this._servletContext = servletContext;
	}
	public ServletContext getServletContext() {
		return _servletContext;
	}
	
	private ServletContext _servletContext;
	
	private final static String REG_EXP = "[\\\\w,\\\\-,_]*";
	private final static String AXTER = "**";
	private final static String AXTER_REG_EXP = "\\*\\*";
	
}