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Java example source code file (HttpHead.java)

This example source code file (HttpHead.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java tags/keywords

head, httphead, httprequestbase, method_name, net, network, notthreadsafe, override, string, uri

The HttpHead.java example source code

/*
 * ====================================================================
 * 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package org.apache.http.client.methods;

import java.net.URI;

import org.apache.http.annotation.NotThreadSafe;

/**
 * HTTP HEAD method.
 * <p>
 * The HTTP HEAD method is defined in section 9.4 of 
 * <a href="http://www.ietf.org/rfc/rfc2616.txt">RFC2616:
 * <blockquote>
 * The HEAD method is identical to GET except that the server MUST NOT
 * return a message-body in the response. The metainformation contained
 * in the HTTP headers in response to a HEAD request SHOULD be identical
 * to the information sent in response to a GET request. This method can
 * be used for obtaining metainformation about the entity implied by the
 * request without transferring the entity-body itself. This method is
 * often used for testing hypertext links for validity, accessibility,
 * and recent modification.
 * </blockquote>
 * </p>
 *
 * @since 4.0
 */
@NotThreadSafe
public class HttpHead extends HttpRequestBase {

    public final static String METHOD_NAME = "HEAD";
    
    public HttpHead() {
        super();
    }

    public HttpHead(final URI uri) {
        super();
        setURI(uri);
    }

    /**
     * @throws IllegalArgumentException if the uri is invalid. 
     */
    public HttpHead(final String uri) {
        super();
        setURI(URI.create(uri));
    }

    @Override
    public String getMethod() {
        return METHOD_NAME;
    }
    
}

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