Android Open Source - streamvid Mod Internationalization

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*
 * Copyright (C) 2011-2012 GUIGUI Simon, fyhertz@gmail.com
 * //www  .j  a  v a 2  s  . c  om
 * This file is part of Spydroid (http://code.google.com/p/spydroid-ipcamera/)
 * 
 * Spydroid 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 source code 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 source code; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package net.majorkernelpanic.http;

import static net.majorkernelpanic.http.TinyHttpServer.TAG;

import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.lang.reflect.Field;
import java.util.Locale;

import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.MethodNotSupportedException;
import org.apache.http.entity.ContentProducer;
import org.apache.http.entity.EntityTemplate;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpRequestHandler;

import android.util.Log;

/**
 * 
 * The purpose of this module is to make internationalization of the interface that
 * your app is going to serve easier by using the standard workflow used in Android.
 * 
 *  You just have to add strings in string.xml (or some other file containing string resources)
 *  and you will then be able to access those on the client side.
 *
 */
public class ModInternationalization implements HttpRequestHandler {

  /** Client side file name. */
  public static final String PATTERN = "/strings.json";

  /** Prefix for strings. */
  public static final String PREFIX  = "web_";  
  
  private String mJSON = "{}"; 
  
  public ModInternationalization(TinyHttpServer server) {
    super();
    
    StringBuilder builder = new StringBuilder();
    
    try {

      // Retrieves R.string
      Class<?> String = Class.forName(server.mContext.getPackageName()+".R$string");
      Field[] fields = String.getFields();
      
      // Constructs a JSON with all members starting with PREFIX
      builder.append("{\"");
      for(int i=0; i < fields.length; i++) {
        if (fields[i].getName().startsWith(PREFIX)) {
          builder.append(fields[i].getName());
          builder.append("\":\"");
          builder.append((String) server.getString(fields[i].getInt(null)));
          builder.append("\",\"");
        }
      }
      
      if (builder.length()>2) {
        builder.setLength(builder.length()-2);
      } else {
        builder.setLength(builder.length()-1);
      }
      builder.append("}");
      
      mJSON = builder.toString();
      
    } catch (Exception e) {
      Log.e(TAG,"Little problem with ModInternationalization !");
      e.printStackTrace();
    } 

  }

  public void handle(
      final HttpRequest request, 
      final HttpResponse response,
      final HttpContext context) throws HttpException, IOException {

    final String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
    if (!method.equals("GET") && !method.equals("HEAD")) {
      throw new MethodNotSupportedException(method + " method not supported"); 
    }

    final EntityTemplate body = new EntityTemplate(new ContentProducer() {
      public void writeTo(final OutputStream outstream) throws IOException {
        OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8"); 
        writer.write(mJSON);
        writer.flush();
      }
    });

    response.setStatusCode(HttpStatus.SC_OK);
    body.setContentType("text/json; charset=UTF-8");
    response.setEntity(body);

  }

}
Java Source Code List
