ServerConnectionServiceImpl.java

/**
 * Catroid: An on-device visual programming system for Android devices
 * Copyright (C) 2010-2014 The Catrobat Team
 * (<http://developer.catrobat.org/credits>)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * An additional term exception under section 7 of the GNU Affero
 * General Public License, version 3, is available at
 * http://developer.catrobat.org/license_additional_term
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.catrobat.html5player.server;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Scanner;
//import java.util.zip.ZipInputStream;

import javax.servlet.http.HttpSession;

import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream;
import org.catrobat.html5player.client.CatrobatDebug;
import org.catrobat.html5player.client.Const;
import org.catrobat.html5player.client.ServerConnectionService;

import com.google.gwt.user.server.rpc.RemoteServiceServlet;

public class ServerConnectionServiceImpl extends RemoteServiceServlet implements ServerConnectionService{

	private static final long serialVersionUID = 1L;

	@Override
	public String getXML(String number) throws IOException {
		URL url = new URL(Const.PROJECT_PATH + number +"/"+ Const.PROJECT_FILE);
		CatrobatDebug.info("ProjectURL: " + url);
		java.io.InputStream urlStream = null;
		String returnString = "";
		try {
		 	urlStream =  url.openStream();
		 	returnString = new Scanner(urlStream).useDelimiter("//Z").next();

		} catch (Exception e) {

			System.out.print("Can't open URL: " + url.getPath());
		}
		if(urlStream != null) {
			urlStream.close();
		}

		return returnString;

	}
	@Override
	public String getXML(){
		HttpSession session = this.getThreadLocalRequest().getSession();
		ProjectData pd = (ProjectData) session.getAttribute("projectdata");

		if(pd == null)
		{
		  CatrobatDebug.debug("Project Data object is null!!!!");
		}
		return pd.getXml();
	}
	@Override
	public String getImage(String name){
		HttpSession session = this.getThreadLocalRequest().getSession();
		ProjectData pd = (ProjectData) session.getAttribute("projectdata");
		return pd.getImage(name);
	}
	@Override
	public String getSound(String name){
		HttpSession session = this.getThreadLocalRequest().getSession();
		ProjectData pd = (ProjectData) session.getAttribute("projectdata");
		return pd.getSound(name);
	}

	@Override
	public String getXMLFromProjectFileUrl(String url) throws IOException
	{
		URL tmpurl = new URL(url);
		InputStream stream = tmpurl.openStream();
		//ZipInputStream zip = new ZipInputStream(stream);
		ProjectData pd = LoadUtils.loadDatafromZipStream(new ZipArchiveInputStream(stream));
		HttpSession session = this.getThreadLocalRequest().getSession();
		session.setAttribute("projectdata", pd);
		if(pd == null)
		{
			return null;
		}
		return pd.getXml();
	}


}