001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.client;
019
020import java.net.URI;
021
022import org.apache.http.client.config.RequestConfig;
023import org.apache.http.client.methods.HttpRequestBase;
024
025/**
026 * Builds a HEAD request to retrieve resource headers.
027 * 
028 * @author bbpennel
029 */
030public class HeadBuilder extends
031        RequestBuilder {
032
033    /**
034     * Instantiate builder
035     * 
036     * @param uri uri request will be issued to
037     * @param client the client
038     */
039    public HeadBuilder(final URI uri, final FcrepoClient client) {
040        super(uri, client);
041        this.request = HttpMethods.HEAD.createRequest(targetUri);
042    }
043
044    @Override
045    protected HttpRequestBase createRequest() {
046        return HttpMethods.HEAD.createRequest(targetUri);
047    }
048
049    /**
050     * Disable following redirects.
051     *
052     * @return this builder
053     */
054    public HeadBuilder disableRedirects() {
055        request.setConfig(RequestConfig.custom().setRedirectsEnabled(false).build());
056        return this;
057    }
058}