/*
	Copyright (C) 2008 Jeffrey Sharkey, http://jsharkey.org/
	
	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.
	
	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 General Public License for more details.
	
	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.ideal.webreader;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

import android.content.res.Resources;

public class Util {

    public final static String TAG = Util.class.toString();

    /**
     * Return a specific raw resource contents as a String value.
     */
    public static String getRawString(Resources res, int id) throws Exception {
        String result = null;
        InputStream is = null;
        try {
            is = res.openRawResource(id);
            byte[] raw = new byte[is.available()];
            is.read(raw);
            result = new String(raw);
        } catch (Exception e) {
            throw new Exception("Problem while trying to read raw", e);
        } finally {
            try {
                is.close();
            } catch (Exception e) {
            }
        }
        return result;

    }

    /**
     * Return a specific file contents as a String value.
     */
    public static String getFileString(File file) throws Exception {
        String result = null;
        InputStream is = null;
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        try {
            is = new FileInputStream(file);

            int bytesRead;
            byte[] buffer = new byte[1024];
            while ((bytesRead = is.read(buffer)) != -1) {
                os.write(buffer, 0, bytesRead);
            }

            os.flush();
            result = new String(os.toByteArray());
        } catch (Exception e) {
            throw new Exception("Problem while trying to read file", e);
        } finally {
            try {
                os.close();
                is.close();
            } catch (Exception e) {
            }
        }
        return result;

    }

    /**
     * Return a specific url contents as a String value.
     */
    public static String getUrlString(String remoteUrl) throws Exception {
        String result = null;
        InputStream is = null;
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        try {
            URL url = new URL(remoteUrl);
            URLConnection connection = url.openConnection();
            connection.setConnectTimeout(5000);
            connection.setReadTimeout(5000);
            connection.connect();
            is = connection.getInputStream();

            int bytesRead;
            byte[] buffer = new byte[1024];
            while ((bytesRead = is.read(buffer)) != -1) {
                os.write(buffer, 0, bytesRead);
            }

            os.flush();
            result = new String(os.toByteArray());
        } catch (Exception e) {
            throw new Exception("Problem while trying to read url", e);
        } finally {
            try {
                os.close();
                is.close();
            } catch (Exception e) {
            }
        }
        return result;

    }
}