/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.abdera.protocol.server.processors;
import java.io.IOException;
import java.util.Collection;
import org.apache.abdera.protocol.server.CategoriesInfo;
import org.apache.abdera.protocol.server.CategoryInfo;
import org.apache.abdera.protocol.server.CollectionAdapter;
import org.apache.abdera.protocol.server.CollectionInfo;
import org.apache.abdera.protocol.server.RequestContext;
import org.apache.abdera.protocol.server.RequestProcessor;
import org.apache.abdera.protocol.server.ResponseContext;
import org.apache.abdera.protocol.server.WorkspaceInfo;
import org.apache.abdera.protocol.server.WorkspaceManager;
import org.apache.abdera.protocol.server.context.StreamWriterResponseContext;
import org.apache.abdera.util.Constants;
import org.apache.abdera.writer.StreamWriter;
/**
* {@link org.apache.abdera.protocol.server.RequestProcessor} implementation which
* processes requests for service documents.
*/
public class ServiceRequestProcessor implements RequestProcessor {
public ResponseContext process(RequestContext context, WorkspaceManager workspaceManager, CollectionAdapter collectionAdapter) {
return this.processService(context, workspaceManager);
}
private ResponseContext processService(RequestContext context, WorkspaceManager workspaceManager) {
String method = context.getMethod();
if (method.equalsIgnoreCase("GET")) {
return this.getServiceDocument(context, workspaceManager);
} else {
return null;
}
}
protected ResponseContext getServiceDocument(final RequestContext request, final WorkspaceManager workspaceManager) {
return new StreamWriterResponseContext(request.getAbdera()) {
protected void writeTo(
StreamWriter sw)
throws IOException {
sw.startDocument().startService();
for (WorkspaceInfo wi : workspaceManager.getWorkspaces(request)) {
sw.startWorkspace().writeTitle(wi.getTitle(request));
Collection<CollectionInfo> collections = wi.getCollections(request);
if (collections != null) {
for (CollectionInfo ci : collections) {
sw.startCollection(ci.getHref(request)).writeTitle(ci.getTitle(request)).writeAccepts(ci.getAccepts(request));
CategoriesInfo[] catinfos = ci.getCategoriesInfo(request);
if (catinfos != null) {
for (CategoriesInfo catinfo : catinfos) {
String cathref = catinfo.getHref(request);
if (cathref != null) {
sw.startCategories().writeAttribute("href", request.getTargetBasePath() + cathref).endCategories();
} else {
sw.startCategories(
catinfo.isFixed(request),
catinfo.getScheme(request));
for (CategoryInfo cat : catinfo) {
sw.writeCategory(
cat.getTerm(request),
cat.getScheme(request),
cat.getLabel(request));
}
sw.endCategories();
}
}
}
sw.endCollection();
}
}
sw.endWorkspace();
}
sw.endService().endDocument();
}
}.setStatus(200).setContentType(Constants.APP_MEDIA_TYPE);
}
}