com.photon.phresco.Screens.HttpRequest.java Source code

Java tutorial

Introduction

Here is the source code for com.photon.phresco.Screens.HttpRequest.java

Source

/**
 * PHR_NodeJSWebService
 *
 * Copyright (C) 1999-2013 Photon Infotech Inc.
 *
 * 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.photon.phresco.Screens;

import java.io.IOException;
import java.io.InputStream;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HTTP;
import org.json.JSONObject;

/**
 *
 * HTTP Request class
 *
 * @author viral_b
 */

public class HttpRequest {

    private static final String TAG = "HttpRequest ***** ";
    private static final int TIME_OUT = 5000;

    /**
     * HttpGet request
     *
     * @param sUrl
     * @return
     */

    protected HttpRequest() {
    }

    /**
     * Get the content from web url, and parse it using json parser
     *
     * @param sURL
     *            : URL to hit to get the json content
     * @return InputStream
     * @throws IOException
     */
    public static InputStream get(String sURL) throws IOException {

        InputStream is = null;
        HttpParams httpParameters = new BasicHttpParams();
        // Set the timeout in milliseconds until a connection is established.
        int timeoutConnection = TIME_OUT;
        HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
        // Set the default socket timeout (SO_TIMEOUT)
        // in milliseconds which is the timeout for waiting for data.
        int timeoutSocket = TIME_OUT;
        HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
        HttpGet httpGet = new HttpGet(sURL);
        DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);

        HttpResponse httpResponse = httpClient.execute(httpGet);
        HttpEntity entity = httpResponse.getEntity();
        is = entity.getContent();

        return is;
    }

    /**
     * Send the JSON data to specified URL and get the httpResponse back
     *
     * @param sURL
     * @param jObject
     * @return InputStream
     * @throws IOException
     */
    public static InputStream post(String sURL, JSONObject jObject) throws IOException {
        HttpResponse httpResponse = null;
        InputStream is = null;

        HttpPost httpPostRequest = new HttpPost(sURL);
        HttpEntity entity;

        httpPostRequest.setHeader("Accept", "application/json");
        httpPostRequest.setHeader(HTTP.CONTENT_TYPE, "application/json");
        httpPostRequest.setEntity(new ByteArrayEntity(jObject.toString().getBytes("UTF-8")));
        HttpParams httpParameters = new BasicHttpParams();
        // Set the timeout in milliseconds until a connection is established.
        int timeoutConnection = TIME_OUT;
        HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
        // Set the default socket timeout (SO_TIMEOUT)
        // in milliseconds which is the timeout for waiting for data.
        int timeoutSocket = TIME_OUT;
        HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);

        DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
        httpResponse = httpClient.execute(httpPostRequest);

        if (httpResponse != null) {
            entity = httpResponse.getEntity();
            is = entity.getContent();
        }
        return is;
    }
}