org.vuphone.assassins.android.http.HTTPPoster.java Source code

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Here is the source code for org.vuphone.assassins.android.http.HTTPPoster.java

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/*******************************************************************************
 * Copyright 2009 Scott Campbell
 * 
 * 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 org.vuphone.assassins.android.http;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.vuphone.assassins.android.VUphone;
import org.vuphone.assassins.android.landmine.LandMine;

import android.util.Log;

/**
 * This class is responsible for all Post requests to the Assassins server.
 * It is assumed that most calls to these methods will be threaded, since
 * they can take a long time to return.
 * 
 * @author Scott Campbell
 */
public class HTTPPoster {

    private static final String pre = "HTTPPoster: ";

    private static final String PATH = "/assassins/notifications";

    private static final HttpClient c = new DefaultHttpClient();

    public static void doLandMinePost(LandMine lm) {

        final HttpPost post = new HttpPost(VUphone.SERVER + PATH);
        post.addHeader("Content-Type", "application/x-www-form-urlencoded");

        StringBuffer params = new StringBuffer();
        params.append("type=landMinePost&lat=" + lm.getLatitude() + "&lon=" + lm.getLongitude() + "&radius="
                + lm.getRadius());

        Log.v(VUphone.tag, pre + "Created parameter string: " + params);
        post.setEntity(new ByteArrayEntity(params.toString().getBytes()));

        // Do it
        Log.i(VUphone.tag, pre + "Executing post to " + VUphone.SERVER + PATH);

        HttpResponse resp = null;
        try {
            resp = c.execute(post);
            ByteArrayOutputStream bao = new ByteArrayOutputStream();
            resp.getEntity().writeTo(bao);
            Log.d(VUphone.tag, pre + "Response from server: " + new String(bao.toByteArray()));
        } catch (ClientProtocolException e) {
            Log.e(VUphone.tag, pre + "ClientProtocolException executing post: " + e.getMessage());
        } catch (IOException e) {
            Log.e(VUphone.tag, pre + "IOException writing to ByteArrayOutputStream: " + e.getMessage());
        } catch (Exception e) {
            Log.e(VUphone.tag, pre + "Other Exception of type:" + e.getClass());
            Log.e(VUphone.tag, pre + "The message is: " + e.getMessage());
        }
    }

    public static void doLandMineRemove(LandMine lm) {

        final HttpPost post = new HttpPost(VUphone.SERVER + PATH);
        post.addHeader("Content-Type", "application/x-www-form-urlencoded");

        StringBuffer params = new StringBuffer();
        params.append("type=landMineRemove&lat=" + lm.getLatitude() + "&lon=" + lm.getLongitude());

        Log.v(VUphone.tag, pre + "Created parameter string: " + params);
        post.setEntity(new ByteArrayEntity(params.toString().getBytes()));

        // Do it
        Log.i(VUphone.tag, pre + "Executing post to " + VUphone.SERVER + PATH);

        HttpResponse resp = null;
        try {
            resp = c.execute(post);
            ByteArrayOutputStream bao = new ByteArrayOutputStream();
            resp.getEntity().writeTo(bao);
            Log.d(VUphone.tag, pre + "Response from server: " + new String(bao.toByteArray()));
        } catch (ClientProtocolException e) {
            Log.e(VUphone.tag, pre + "ClientProtocolException executing post: " + e.getMessage());
        } catch (IOException e) {
            Log.e(VUphone.tag, pre + "IOException writing to ByteArrayOutputStream: " + e.getMessage());
        } catch (Exception e) {
            Log.e(VUphone.tag, pre + "Other Exception of type:" + e.getClass());
            Log.e(VUphone.tag, pre + "The message is: " + e.getMessage());
        }
    }

    public static void doGameAreaPost(double lat, double lon, float rad) {
        final HttpPost post = new HttpPost(VUphone.SERVER + PATH);
        post.addHeader("Content-Type", "application/x-www-form-urlencoded");

        StringBuffer params = new StringBuffer();
        params.append("type=gameAreaPost&lat=" + lat + "&lon=" + lon + "&radius=" + rad);

        Log.v(VUphone.tag, pre + "Created parameter string: " + params);
        post.setEntity(new ByteArrayEntity(params.toString().getBytes()));

        // Do it
        Log.i(VUphone.tag, pre + "Executing post to " + VUphone.SERVER + PATH);

        HttpResponse resp = null;
        try {
            resp = c.execute(post);
            ByteArrayOutputStream bao = new ByteArrayOutputStream();
            resp.getEntity().writeTo(bao);
            Log.d(VUphone.tag, pre + "Response from server: " + new String(bao.toByteArray()));
        } catch (ClientProtocolException e) {
            Log.e(VUphone.tag, pre + "ClientProtocolException executing post: " + e.getMessage());
        } catch (IOException e) {
            Log.e(VUphone.tag, pre + "IOException writing to ByteArrayOutputStream: " + e.getMessage());
        } catch (Exception e) {
            Log.e(VUphone.tag, pre + "Other Exception of type:" + e.getClass());
            Log.e(VUphone.tag, pre + "The message is: " + e.getMessage());
        }
    }
}