trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/MultiFilingService.java

/*
 * 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.
 */
package org.apache.chemistry.opencmis.server.impl.atompub;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.chemistry.opencmis.commons.data.ContentStream;
import org.apache.chemistry.opencmis.commons.data.ObjectData;
import org.apache.chemistry.opencmis.commons.enums.VersioningState;
import org.apache.chemistry.opencmis.commons.exceptions.CmisRuntimeException;
import org.apache.chemistry.opencmis.commons.impl.Constants;
import org.apache.chemistry.opencmis.commons.impl.UrlBuilder;
import org.apache.chemistry.opencmis.commons.server.CallContext;
import org.apache.chemistry.opencmis.commons.server.CmisService;
import org.apache.chemistry.opencmis.commons.server.ObjectInfo;
import org.apache.chemistry.opencmis.server.shared.TempStoreOutputStreamFactory;

/**
 * MultiFiling Service operations.
 */
public class MultiFilingService {

    /**
     * Remove object from folder.
     */
    public static class RemoveObjectFromFolder extends AbstractAtomPubServiceCall {
        public void serve(CallContext context, CmisService service, String repositoryId, HttpServletRequest request,
                HttpServletResponse response) throws Exception {
            assert context != null;
            assert service != null;
            assert repositoryId != null;
            assert request != null;
            assert response != null;

            // get parameters
            String removeFrom = getStringParameter(request, Constants.PARAM_REMOVE_FROM);

            TempStoreOutputStreamFactory streamFactory = (TempStoreOutputStreamFactory) context
                    .get(CallContext.STREAM_FACTORY);
            AtomEntryParser parser = new AtomEntryParser(streamFactory);
            parser.setIgnoreAtomContentSrc(true); // needed for some clients
            parser.parse(request.getInputStream());

            // execute
            String objectId = parser.getId();
            try {
                if (stopBeforeService(service)) {
                    return;
                }

                if (objectId == null && removeFrom == null) {
                    createUnfiledObject(context, service, repositoryId, request, response, parser);
                    return;
                }

                service.removeObjectFromFolder(repositoryId, objectId, removeFrom, null);

                if (stopAfterService(service)) {
                    return;
                }
            } finally {
                parser.release();
            }

            ObjectInfo objectInfo = service.getObjectInfo(repositoryId, objectId);
            if (objectInfo == null) {
                throw new CmisRuntimeException("Object Info is missing!");
            }

            ObjectData object = objectInfo.getObject();
            if (object == null) {
                throw new CmisRuntimeException("Object is null!");
            }

            if (object.getId() == null) {
                throw new CmisRuntimeException("Object Id is null!");
            }

            // set headers
            UrlBuilder baseUrl = compileBaseUrl(request, repositoryId);

            response.setStatus(HttpServletResponse.SC_CREATED);
            response.setContentType(Constants.MEDIATYPE_ENTRY);
            response.setHeader("Location", compileUrl(baseUrl, RESOURCE_ENTRY, object.getId()));

            // write XML
            AtomEntry entry = new AtomEntry();
            entry.startDocument(response.getOutputStream(), getNamespaces(service));
            writeObjectEntry(service, entry, object, null, repositoryId, null, null, baseUrl, true,
                    context.getCmisVersion());
            entry.endDocument();
        }

        /**
         * Create unfiled object.
         */
        private void createUnfiledObject(CallContext context, CmisService service, String repositoryId,
                HttpServletRequest request, HttpServletResponse response, AtomEntryParser parser) throws Exception {
            // get additional parameters
            VersioningState versioningState = getEnumParameter(request, Constants.PARAM_VERSIONIG_STATE,
                    VersioningState.class);

            // create
            ContentStream contentStream = parser.getContentStream();
            String newObjectId = service.create(repositoryId, parser.getProperties(), null, contentStream,
                    versioningState, parser.getPolicyIds(), null);

            if (stopAfterService(service)) {
                return;
            }

            ObjectInfo objectInfo = service.getObjectInfo(repositoryId, newObjectId);
            if (objectInfo == null) {
                throw new CmisRuntimeException("Object Info is missing!");
            }

            ObjectData object = objectInfo.getObject();
            if (object == null) {
                throw new CmisRuntimeException("Object is null!");
            }

            // set headers
            UrlBuilder baseUrl = compileBaseUrl(request, repositoryId);

            response.setStatus(HttpServletResponse.SC_CREATED);
            response.setContentType(Constants.MEDIATYPE_ENTRY);
            response.setHeader("Location", compileUrl(baseUrl, RESOURCE_ENTRY, newObjectId));

            // write XML
            AtomEntry entry = new AtomEntry();
            entry.startDocument(response.getOutputStream(), getNamespaces(service));
            writeObjectEntry(service, entry, object, null, repositoryId, null, null, baseUrl, true,
                    context.getCmisVersion());
            entry.endDocument();
        }
    }
}