/*******************************************************************************

 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

 * 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:

 *     Nokia Corporation - S60 implementation

 *******************************************************************************/

package org.eclipse.swt.internal;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import javax.microedition.io.Connector;

import javax.microedition.io.file.FileConnection;

public class CLDCCompatibilityDelegate implements CompatibilityDelegate {

    public CLDCCompatibilityDelegate(){

        super();

    }

    public InputStream getInputStreamFromFile(String path) throws IOException {

        String jsr75Path = convertPathToSpecific(path);

        InputStream inputStream = null;

        try{

            FileConnection fileConct = (FileConnection)Connector.open(jsr75Path);

            inputStream = fileConct.openInputStream();

            fileConct.close();

        }

        catch (IOException e) {

           throw e;

        }

        catch(Exception e)

        {

            throw new IOException(e.getMessage());

        }

        return inputStream;

    }

    public String convertPathToSpecific(String path) {

        String jsr75Path = path;

        if (!jsr75Path.startsWith("file:///")) {

            // In JSR 75 the file separator is '/' and not '\'

            jsr75Path = jsr75Path.replace('\\', '/');

            jsr75Path = "file:///" + jsr75Path;

        }

        return jsr75Path;

    }

    public String convertPathFromSpecific(String jsr75Path) {

        String stdPath = jsr75Path;

        if (jsr75Path.startsWith("file:///")) {

            stdPath = stdPath.replace('/', '\\');

            stdPath = stdPath.substring(8, stdPath.length()).replace('/', '\\');;

        }

        return stdPath;

    }

    public boolean canOpenFile(String path) throws SecurityException {

        String jsr75Path = convertPathToSpecific(path);

        try {

            FileConnection fileConct = (FileConnection) Connector

                    .open(jsr75Path);

            fileConct.close();

        } catch (IOException e) {

            throw new SecurityException(e.getMessage());

        }

        return true;

    }

    public OutputStream getOutStreamFromFile(String path) throws IOException {

        String jsr75Path = convertPathToSpecific(path);

        OutputStream outStream = null; 

        try{

            FileConnection fileConct = (FileConnection)Connector.open(jsr75Path);

            if (!fileConct.exists()) {

                fileConct.create();

            }

            outStream = fileConct.openOutputStream();

            fileConct.close();

        }

        catch(IOException e)

        {

            throw e;

        }

        catch (Exception e) {

            throw new IOException(e.getMessage());

        }

        return outStream;

    }    

}