Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.util.ArrayList;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;

import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.CoreConnectionPNames;

public class Main {
    public static final int METHOD_GET = 0;
    public static final int METHOD_POST = 1;
    private static HttpClient mClient;

    public static final InputStream getInputStream(String uri, ArrayList<BasicNameValuePair> params, int method)
            throws IllegalStateException, ClientProtocolException, IOException {
        HttpEntity entity = getEntity(uri, params, method);
        if (entity == null) {
            return null;
        }
        return entity.getContent();
    }

    public static HttpEntity getEntity(String uri, ArrayList<BasicNameValuePair> params, int method)
            throws ClientProtocolException, IOException {
        mClient = new DefaultHttpClient();
        HttpUriRequest request = null;
        switch (method) {
        case METHOD_GET:
            StringBuilder sb = new StringBuilder(uri);
            if (params != null && !params.isEmpty()) {
                sb.append("?");
                for (BasicNameValuePair param : params) {
                    sb.append(param.getName()).append("=").append(URLEncoder.encode(param.getValue(), "UTF_8"))
                            .append("&");
                }
                sb.deleteCharAt(sb.length() - 1);
            }
            request = new HttpGet(sb.toString());
            break;
        case METHOD_POST:
            HttpPost post = new HttpPost(uri);
            if (params != null && !params.isEmpty()) {
                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(params, "UTF_8");
                post.setEntity(entity);
            }
            request = post;
            break;
        }
        mClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 5000);
        mClient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 5000);
        HttpResponse response = mClient.execute(request);
        System.err.println(response.getStatusLine().toString());
        if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            return response.getEntity();
        }
        return null;
    }
}