Java HTTP Read getContents(String urlStr)

Description

Invokes URL and get the contents returned.

License

Open Source License

Parameter

Parameter	Description
urlStr	url

Exception

Parameter	Description
IOException	an exception

Return

contents, for example HTML

Declaration

public static String getContents(String urlStr) throws IOException 

Method Source Code

//package com.java2s;
/*//from www  .j  av a 2 s. co m
 * Copyright (c) 2012 Brown Bag Consulting.
 * This file is part of the ExpressUI project.
 * Author: Juan Osuna
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License Version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * Brown Bag Consulting, Brown Bag Consulting DISCLAIMS THE WARRANTY OF
 * NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the ExpressUI software without
 * disclosing the source code of your own applications. These activities
 * include: offering paid services to customers as an ASP, providing
 * services from a web application, shipping ExpressUI with a closed
 * source product.
 *
 * For more information, please contact Brown Bag Consulting at this
 * address: juan@brownbagconsulting.com.
 */

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;

import java.net.URL;

public class Main {
    /**
     * Invokes URL and get the contents returned.
     *
     * @param urlStr url
     * @return contents, for example HTML
     * @throws IOException
     */
    public static String getContents(String urlStr) throws IOException {
        URL url = new URL(urlStr);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.connect();
        InputStream inputStream = connection.getInputStream();

        BufferedReader in = new BufferedReader(new InputStreamReader(inputStream));

        StringBuilder builder = new StringBuilder();
        String line;
        while ((line = in.readLine()) != null) {
            builder.append(line);
            builder.append("\n");
        }

        in.close();
        return builder.toString();
    }
}

Related

1. getContentFromHttpGetBasicAuth(String urlString, String username, String password)
2. getContentFromURL(String sURL)
3. getContentFromURL(String url)
4. getContentLength(URL url)
5. getContentLength(URLConnection con)
6. getContentTypeFromUrl(String urlname)
7. getContentTypeSpecified(URLConnection connection)
8. getContentWithPost(String urls, Map pv)
9. getData(String urlString)