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; 021import java.time.Instant; 022 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 RetrieveRequestBuilder { 031 032 /** 033 * Instantiate builder 034 * 035 * @param uri uri request will be issued to 036 * @param client the client 037 */ 038 public HeadBuilder(final URI uri, final FcrepoClient client) { 039 super(uri, client); 040 this.request = HttpMethods.HEAD.createRequest(targetUri); 041 } 042 043 @Override 044 protected HttpRequestBase createRequest() { 045 return HttpMethods.HEAD.createRequest(targetUri); 046 } 047 048 @Override 049 public HeadBuilder disableRedirects() { 050 return (HeadBuilder) super.disableRedirects(); 051 } 052 053 @Override 054 public HeadBuilder wantDigest(final String value) { 055 return (HeadBuilder) super.wantDigest(value); 056 } 057 058 @Override 059 public HeadBuilder noCache() { 060 return (HeadBuilder) super.noCache(); 061 } 062 063 @Override 064 public HeadBuilder acceptDatetime(final Instant acceptInstant) { 065 return (HeadBuilder) super.acceptDatetime(acceptInstant); 066 } 067 068 @Override 069 public HeadBuilder acceptDatetime(final String acceptDatetime) { 070 return (HeadBuilder) super.acceptDatetime(acceptDatetime); 071 } 072 073 @Override 074 public HeadBuilder addHeader(final String name, final String value) { 075 return (HeadBuilder) super.addHeader(name, value); 076 } 077 078 @Override 079 public HeadBuilder addLinkHeader(final FcrepoLink linkHeader) { 080 return (HeadBuilder) super.addLinkHeader(linkHeader); 081 } 082}