com.survivingwithandroid.jsontutorial.HttpClient.java Source code

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Here is the source code for com.survivingwithandroid.jsontutorial.HttpClient.java

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package com.survivingwithandroid.jsontutorial;

/*
 * Copyright (C) 2013 Surviving with Android (http://www.survivingwithandroid.com)
 *
 * 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.
 */

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;

import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

public class HttpClient {

    private static String URL = "http://validate.jsontest.com";

    public String postJsonData(String data) {

        try {
            StringBuffer buffer = new StringBuffer();
            // Apache HTTP Reqeust
            System.out.println("Sending data..");
            System.out.println("Data: [" + data + "]");
            org.apache.http.client.HttpClient client = new DefaultHttpClient();
            HttpPost post = new HttpPost(URL);
            List<NameValuePair> nvList = new ArrayList<NameValuePair>();
            BasicNameValuePair bnvp = new BasicNameValuePair("json", data);
            // We can add more
            nvList.add(bnvp);
            post.setEntity(new UrlEncodedFormEntity(nvList));

            HttpResponse resp = client.execute(post);
            // We read the response
            InputStream is = resp.getEntity().getContent();
            BufferedReader reader = new BufferedReader(new InputStreamReader(is));
            StringBuilder str = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                str.append(line + "\n");
            }
            is.close();
            buffer.append(str.toString());
            // Done!

            return buffer.toString();
        } catch (Throwable t) {
            t.printStackTrace();
        }

        return null;
    }
}