com.wentam.defcol.connect_to_computer.HomeCommandHandler.java Source code

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Here is the source code for com.wentam.defcol.connect_to_computer.HomeCommandHandler.java

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//////////////////////////////////////////////////////////////////////////////
// Copyright 2012 Matthew Egeler
//                                   
// Licensed under the Apache License, Version 2.0 (the "License");          
// you may not use this file except in compliance with the License.          
// You may obtain a copy of the License at                  
//                                   
//     http://www.apache.org/licenses/LICENSE-2.0                
//                                   
// Unless required by applicable law or agreed to in writing, software      
// distributed under the License is distributed on an "AS IS" BASIS,          
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
// See the License for the specific language governing permissions and      
// limitations under the License.                     
//////////////////////////////////////////////////////////////////////////////

package com.wentam.defcol.connect_to_computer;

import com.wentam.defcol.R;
import com.wentam.defcol.PaletteFile;

import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;

import org.apache.http.HttpEntity;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
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.content.Context;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;

import java.util.HashMap;

import java.io.InputStream;
import java.io.ByteArrayOutputStream;

import org.json.*;

// TODO refactor the way this works completely
public class HomeCommandHandler implements HttpRequestHandler {
    private Context context = null;
    private PaletteFile pFile;
    private String jquery;

    public HomeCommandHandler(Context context, String _jquery) {
        this.context = context;
        pFile = new PaletteFile();

        jquery = _jquery;
    }

    public String getJs() {
        // load jquery string from file
        InputStream inputStream = context.getResources().openRawResource(R.raw.js);
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

        int i;
        try {
            i = inputStream.read();
            while (i != -1) {
                byteArrayOutputStream.write(i);
                i = inputStream.read();
            }
            inputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return byteArrayOutputStream.toString();

    }

    public String getHtml() {
        // load jquery string from file
        InputStream inputStream = context.getResources().openRawResource(R.raw.html);
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

        int i;
        try {
            i = inputStream.read();
            while (i != -1) {
                byteArrayOutputStream.write(i);
                i = inputStream.read();
            }
            inputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return byteArrayOutputStream.toString();

    }

    @Override
    public void handle(final HttpRequest request, final HttpResponse response, HttpContext httpContext)
            throws HttpException, IOException {
        HttpEntity entity = new EntityTemplate(new ContentProducer() {
            public void writeTo(final OutputStream outstream) throws IOException {
                OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
                String req = request.getRequestLine().getUri();

                req = req.replaceAll("/\\?", "");

                String[] pairs = req.split("&");

                HashMap data = new HashMap();

                for (int i = 0; i < pairs.length; i++) {
                    if (pairs[i].contains("=")) {
                        String[] pair = pairs[i].split("=");
                        data.put(pair[0], pair[1]);
                    }
                }

                String action = "none";
                if (data.containsKey("action")) {
                    action = (String) data.get("action");
                }

                String resp = "404 on " + action;
                if (action.equals("none") || action.equals("home")) {
                    response.setHeader("Content-Type", "text/html");

                    resp = getHtml();

                } else if (action.equals("getPalettes")) {
                    response.setHeader("Content-Type", "application/json");

                    JSONArray json = new JSONArray();

                    int tmp[] = { 0 };
                    ArrayList<String> palettes = pFile.getRows(tmp);
                    Iterator i = palettes.iterator();
                    while (i.hasNext()) {
                        JSONObject item = new JSONObject();
                        try {
                            item.put("name", i.next());
                        } catch (JSONException e) {
                        }
                        json.put(item);
                    }

                    resp = json.toString();

                } else if (action.equals("getJquery")) {
                    response.setHeader("Content-Type", "application/javascript");
                    resp = jquery;
                } else if (action.equals("getJs")) {
                    response.setHeader("Content-Type", "application/javascript");
                    resp = getJs();
                } else if (action.equals("getPaletteColors")) {
                    response.setHeader("Content-Type", "application/javascript");
                    int id = Integer.parseInt((String) data.get("id"));

                    int tmp[] = { 1 };
                    String row = pFile.getRow(id, tmp);

                    String colors[] = row.split("\\.");

                    JSONArray json = new JSONArray();

                    for (int i = 0; i < colors.length; i++) {
                        json.put(colors[i]);
                    }

                    resp = json.toString();
                }

                writer.write(resp);
                writer.flush();
            }
        });

        response.setEntity(entity);
    }

    public Context getContext() {
        return context;
    }
}