Java HTTP Close close(URLConnection connection)

Description

Closes a given URL connection, if necessary.

License

Apache License

Parameter

Parameter	Description
connection	the URL connection to close, can be <code>null</code> in which case this method does nothing.

Return

always null, for easy chaining.

Declaration

public static URLConnection close(URLConnection connection) 

Method Source Code

//package com.java2s;
/*//w  ww . j a v a2s  .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.net.HttpURLConnection;
import java.net.URLConnection;

public class Main {
    /**
     * Closes a given URL connection, if necessary.
     * 
     * @param connection
     *            the URL connection to close, can be <code>null</code> in which case this method does nothing.
     * @return always <code>null</code>, for easy chaining.
     */
    public static URLConnection close(URLConnection connection) {
        if (connection instanceof HttpURLConnection) {
            ((HttpURLConnection) connection).disconnect();
        }
        return null;
    }
}

Related

1. close(final URLConnection conn)
2. close(java.net.HttpURLConnection hconn)
3. close(URLConnection conn)
4. closeAll(HttpURLConnection httpURLConnection, Writer writer, OutputStream outputStream)
5. closeConnection(final HttpURLConnection connection)
6. closeHttpUrlConnectionNoException(HttpURLConnection... closeables)
7. closeQuietly(HttpURLConnection connection)