Java HTTP Read getContentWithPost(String urls, Map pv)

Description

get Content With Post

License

Open Source License

Declaration

public static String getContentWithPost(String urls, Map<String, String> pv) 

Method Source Code

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

import java.io.BufferedReader;

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;

import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;
import java.net.URLEncoder;

import java.util.Map;

public class Main {
    public static String getContentWithPost(String urls, Map<String, String> pv) {
        if (pv.isEmpty())
            return "";
        OutputStreamWriter writer = null;
        BufferedReader reader = null;
        try {//w w  w  .  j  a  va  2  s  .  c  o m
            String body = "";
            for (Map.Entry<String, String> entry : pv.entrySet()) {

                body += entry.getKey() + "=" + URLEncoder.encode(entry.getValue(), "UTF-8") + "&";

            }
            //System.out.println(body);
            URL url = new URL(urls);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setDoInput(true);
            connection.setDoOutput(true);
            connection.setUseCaches(false);
            connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            connection.setRequestProperty("Content-Length", String.valueOf(body.length()));

            writer = new OutputStreamWriter(connection.getOutputStream());
            writer.write(body);
            writer.flush();

            reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String content = "";
            for (String line; (line = reader.readLine()) != null;) {
                content += line + "\n";
            }

            return content;
        } catch (UnsupportedEncodingException uee) {
            uee.printStackTrace(System.out);
        } catch (MalformedURLException mue) {
            mue.printStackTrace(System.out);
        } catch (ProtocolException pe) {
            pe.printStackTrace(System.out);
        } catch (IOException ioe) {
            ioe.printStackTrace(System.out);
        } finally {
            if (writer != null)
                try {
                    writer.close();
                } catch (IOException ioe) {
                }
            ;
            if (reader != null)
                try {
                    reader.close();
                } catch (IOException ioe) {
                }
            ;
        }
        return "";
    }
}

Related

1. getContentLength(URL url)
2. getContentLength(URLConnection con)
3. getContents(String urlStr)
4. getContentTypeFromUrl(String urlname)
5. getContentTypeSpecified(URLConnection connection)
6. getData(String urlString)
7. getHtmlByteArray(final String url)
8. getHtmlContent(String url)
9. getInputStream(HttpURLConnection conn)