Java URL Read getHttpResponse(HttpURLConnection conn, int expectedReturnCode)

Description

get Http Response

License

Apache License

Declaration

private static String getHttpResponse(HttpURLConnection conn, int expectedReturnCode) throws IOException 

Method Source Code

//package com.java2s;
/*//  www .jav a2 s.  c  o  m
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.IOException;
import java.io.InputStreamReader;

import java.net.HttpURLConnection;

public class Main {
    private static String getHttpResponse(HttpURLConnection conn, int expectedReturnCode) throws IOException {
        System.out.println("response code:" + conn.getResponseMessage());
        if (conn.getResponseCode() != expectedReturnCode) {
            System.out.println("Custom Error:" + conn.getResponseCode());
            throw new IOException(conn.getResponseMessage());
        }

        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            sb.append(line);
        }
        rd.close();
        conn.disconnect();
        return sb.toString();
    }
}

Related

1. getHTML(String pageURL, String encoding)
2. getHtml(String url)
3. getHtml(String urlString)
4. getHTML(String urlToRead)
5. getHTML(String urlToRead)
6. getHTTPResponse(String url)
7. getHttpResponse(String urlStr)
8. getLastModified(HttpURLConnection conn)
9. getLastModified(HttpURLConnection connection)