201305.mbox/raw/%3c20130528072151.7C5D22388C31@eris.apache.org%3e

+
+    /*
+     * 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 java.util.List;
+
+    import javax.servlet.http.HttpServletRequest;
+    import javax.servlet.http.HttpServletResponse;
+
+    import org.apache.chemistry.opencmis.commons.data.ObjectData;
+    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.commons.spi.Holder;
+    import org.apache.chemistry.opencmis.server.shared.ThresholdOutputStreamFactory;
+
+    /**
+     * Versioning Service operations.
+     */
+    public class VersioningService {
+
+        /**
+         * Check Out.
+         */
+        public static class CheckOut extends AbstractAtomPubServiceCall {
+            public void serve(CallContext context, CmisService service, String repositoryId, HttpServletRequest request,
+                    HttpServletResponse response) throws Exception {
+                // get parameters
+                ThresholdOutputStreamFactory streamFactory = (ThresholdOutputStreamFactory) context
+                        .get(CallContext.STREAM_FACTORY);
+                AtomEntryParser parser = new AtomEntryParser(streamFactory);
+                parser.setIgnoreAtomContentSrc(true); // needed for some clients
+                parser.parse(request.getInputStream());
+
+                // execute
+                Holder<String> checkOutId = new Holder<String>(parser.getId());
+                service.checkOut(repositoryId, checkOutId, null, null);
+
+                ObjectInfo objectInfo = service.getObjectInfo(repositoryId, checkOutId.getValue());
+                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);
+                String location = compileUrl(baseUrl, RESOURCE_ENTRY, object.getId());
+
+                response.setStatus(HttpServletResponse.SC_CREATED);
+                response.setContentType(Constants.MEDIATYPE_ENTRY);
+                response.setHeader("Content-Location", location);
+                response.setHeader("Location", location);
+
+                // 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();
+            }
+        }
+
+        /**
+         * Get all versions.
+         */
+        public static class GetAllVersions extends AbstractAtomPubServiceCall {
+            public void serve(CallContext context, CmisService service, String repositoryId, HttpServletRequest request,
+                    HttpServletResponse response) throws Exception {
+                // get parameters
+                String objectId = getStringParameter(request, Constants.PARAM_ID);
+                String versionSeriesId = getStringParameter(request, Constants.PARAM_VERSION_SERIES_ID);
+                String filter = getStringParameter(request, Constants.PARAM_FILTER);
+                Boolean includeAllowableActions = getBooleanParameter(request, Constants.PARAM_ALLOWABLE_ACTIONS);
+
+                // execute
+                List<ObjectData> versions = service.getAllVersions(repositoryId, objectId, versionSeriesId, filter,
+                        includeAllowableActions, null);
+
+                if (versions == null || versions.isEmpty()) {
+                    throw new CmisRuntimeException("Version list is null or empty!");
+                }
+
+                // set headers
+                response.setStatus(HttpServletResponse.SC_OK);
+                response.setContentType(Constants.MEDIATYPE_FEED);
+
+                // write XML
+                AtomFeed feed = new AtomFeed();
+                feed.startDocument(response.getOutputStream(), getNamespaces(service));
+                feed.startFeed(true);
+
+                // write basic Atom feed elements
+                ObjectInfo latestObjectInfo = service.getObjectInfo(repositoryId, versions.get(0).getId());
+                ObjectInfo firstObjectInfo = service.getObjectInfo(repositoryId, versions.get(versions.size() - 1).getId());
+
+                feed.writeFeedElements(versionSeriesId, null, firstObjectInfo.getCreatedBy(), latestObjectInfo.getName(),
+                        latestObjectInfo.getLastModificationDate(), null, null);
+
+                // write links
+                UrlBuilder baseUrl = compileBaseUrl(request, repositoryId);
+
+                feed.writeServiceLink(baseUrl.toString(), repositoryId);
+
+                if (objectId != null) {
+                    feed.writeViaLink(compileUrl(baseUrl, RESOURCE_ENTRY, objectId));
+                }
+
+                // write entries
+                AtomEntry entry = new AtomEntry(feed.getWriter());
+                for (ObjectData object : versions) {
+                    if (object == null) {
+                        continue;
+                    }
+                    writeObjectEntry(service, entry, object, null, repositoryId, null, null, baseUrl, false,
+                            context.getCmisVersion());
+                }
+
+                // we are done
+                feed.endFeed();
+                feed.endDocument();
+            }
+        }
+
+        /**
+         * Delete object.
+         */
+        public static class DeleteAllVersions extends AbstractAtomPubServiceCall {
+            public void serve(CallContext context, CmisService service, String repositoryId, HttpServletRequest request,
+                    HttpServletResponse response) throws Exception {
+                // get parameters
+                String objectId = getStringParameter(request, Constants.PARAM_ID);
+
+                // execute
+                service.deleteObjectOrCancelCheckOut(repositoryId, objectId, Boolean.TRUE, null);
+
+                // set headers
+                response.setStatus(HttpServletResponse.SC_NO_CONTENT);
+            }
+        }
+    }
+