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 static org.fcrepo.client.FedoraHeaderConstants.CONTENT_DISPOSITION;
021import static org.fcrepo.client.FedoraHeaderConstants.SLUG;
022
023import java.io.File;
024import java.io.IOException;
025import java.io.InputStream;
026import java.io.UnsupportedEncodingException;
027import java.net.URI;
028import java.net.URLEncoder;
029
030import org.apache.http.client.methods.HttpRequestBase;
031
032/**
033 * Builds a post request for interacting with the Fedora HTTP API in order to create a new resource within an LDP
034 * container.
035 * 
036 * @author bbpennel
037 */
038public class PostBuilder extends BodyRequestBuilder {
039
040    /**
041     * Instantiate builder
042     * 
043     * @param uri uri of the resource this request is being made to
044     * @param client the client
045     */
046    public PostBuilder(final URI uri, final FcrepoClient client) {
047        super(uri, client);
048    }
049
050    @Override
051    protected HttpRequestBase createRequest() {
052        return HttpMethods.POST.createRequest(targetUri);
053    }
054
055    @Override
056    public PostBuilder body(final InputStream stream, final String contentType) {
057        return (PostBuilder) super.body(stream, contentType);
058    }
059
060    @Override
061    public PostBuilder body(final File file, final String contentType) throws IOException {
062        return (PostBuilder) super.body(file, contentType);
063    }
064
065    @Override
066    public PostBuilder body(final InputStream stream) {
067        return (PostBuilder) super.body(stream);
068    }
069
070    @Deprecated
071    @Override
072    public PostBuilder digest(final String digest) {
073        return (PostBuilder) super.digest(digest);
074    }
075
076    @Override
077    public PostBuilder digest(final String digest, final String alg) {
078        return (PostBuilder) super.digest(digest, alg);
079    }
080
081    @Override
082    public PostBuilder digestMd5(final String digest) {
083        return (PostBuilder) super.digestMd5(digest);
084    }
085
086    @Override
087    public PostBuilder digestSha1(final String digest) {
088        return (PostBuilder) super.digestSha1(digest);
089    }
090
091    @Override
092    public PostBuilder digestSha256(final String digest) {
093        return (PostBuilder) super.digestSha256(digest);
094    }
095
096    /**
097     * Provide a content disposition header which will be used as the filename
098     * 
099     * @param filename the name of the file being provided in the body of the request
100     * @return this builder
101     * @throws FcrepoOperationFailedException if unable to encode filename
102     */
103    public PostBuilder filename(final String filename) throws FcrepoOperationFailedException {
104        try {
105            final String f = (filename != null) ? "; filename=\"" + URLEncoder.encode(filename, "utf-8") + "\"" : "";
106            request.addHeader(CONTENT_DISPOSITION, "attachment" + f);
107        } catch (UnsupportedEncodingException e) {
108            throw new FcrepoOperationFailedException(request.getURI(), -1, e.getMessage());
109        }
110        return this;
111    }
112
113    /**
114     * Provide a suggested name for the new child resource, which the repository may ignore.
115     * 
116     * @param slug value to supply as the slug header
117     * @return this builder
118     */
119    public PostBuilder slug(final String slug) {
120        if (slug != null) {
121            request.addHeader(SLUG, slug);
122        }
123        return this;
124    }
125}