/*
* 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.browser;
import static org.apache.chemistry.opencmis.commons.impl.Constants.*;
import static org.apache.chemistry.opencmis.server.impl.browser.BrowserBindingUtils.CONTEXT_OBJECT_ID;
import static org.apache.chemistry.opencmis.server.shared.HttpUtils.getBigIntegerParameter;
import static org.apache.chemistry.opencmis.server.shared.HttpUtils.getBooleanParameter;
import static org.apache.chemistry.opencmis.server.shared.HttpUtils.getEnumParameter;
import static org.apache.chemistry.opencmis.server.shared.HttpUtils.getStringParameter;
import java.math.BigInteger;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.chemistry.opencmis.commons.data.ObjectInFolderContainer;
import org.apache.chemistry.opencmis.commons.data.ObjectInFolderList;
import org.apache.chemistry.opencmis.commons.data.ObjectParentData;
import org.apache.chemistry.opencmis.commons.enums.IncludeRelationships;
import org.apache.chemistry.opencmis.commons.exceptions.CmisRuntimeException;
import org.apache.chemistry.opencmis.commons.impl.Constants;
import org.apache.chemistry.opencmis.commons.server.CallContext;
import org.apache.chemistry.opencmis.commons.server.CmisService;
import org.apache.chemistry.opencmis.server.impl.browser.json.JSONConverter;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
/**
* Navigation Service operations.
*/
public final class NavigationService {
private NavigationService() {
}
/**
* getChildren.
*/
public static void getChildren(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String folderId = (String) context.get(CONTEXT_OBJECT_ID);
String filter = getStringParameter(request, PARAM_FILTER);
String orderBy = getStringParameter(request, PARAM_ORDER_BY);
Boolean includeAllowableActions = getBooleanParameter(request, PARAM_ALLOWABLE_ACTIONS);
IncludeRelationships includeRelationships = getEnumParameter(request, PARAM_RELATIONSHIPS,
IncludeRelationships.class);
String renditionFilter = getStringParameter(request, PARAM_RENDITION_FILTER);
Boolean includePathSegment = getBooleanParameter(request, PARAM_PATH_SEGMENT);
BigInteger maxItems = getBigIntegerParameter(request, PARAM_MAX_ITEMS);
BigInteger skipCount = getBigIntegerParameter(request, PARAM_SKIP_COUNT);
// execute
ObjectInFolderList children = service.getChildren(repositoryId, folderId, filter, orderBy,
includeAllowableActions, includeRelationships, renditionFilter, includePathSegment, maxItems,
skipCount, null);
if (children == null) {
throw new CmisRuntimeException("Children are null!");
}
TypeCache typeCache = new TypeCache(repositoryId, service);
JSONObject jsonChildren = JSONConverter.convert(children, typeCache);
response.setStatus(HttpServletResponse.SC_OK);
BrowserBindingUtils.writeJSON(jsonChildren, request, response);
}
/**
* getDescendants.
*/
@SuppressWarnings("unchecked")
public static void getDescendants(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String folderId = (String) context.get(CONTEXT_OBJECT_ID);
BigInteger depth = getBigIntegerParameter(request, PARAM_DEPTH);
String filter = getStringParameter(request, PARAM_FILTER);
Boolean includeAllowableActions = getBooleanParameter(request, PARAM_ALLOWABLE_ACTIONS);
IncludeRelationships includeRelationships = getEnumParameter(request, PARAM_RELATIONSHIPS,
IncludeRelationships.class);
String renditionFilter = getStringParameter(request, PARAM_RENDITION_FILTER);
Boolean includePathSegment = getBooleanParameter(request, PARAM_PATH_SEGMENT);
// execute
List<ObjectInFolderContainer> descendants = service.getDescendants(repositoryId, folderId, depth, filter,
includeAllowableActions, includeRelationships, renditionFilter, includePathSegment, null);
if (descendants == null) {
throw new CmisRuntimeException("Descendants are null!");
}
TypeCache typeCache = new TypeCache(repositoryId, service);
JSONArray jsonDescendants = new JSONArray();
for (ObjectInFolderContainer descendant : descendants) {
jsonDescendants.add(JSONConverter.convert(descendant, typeCache));
}
response.setStatus(HttpServletResponse.SC_OK);
BrowserBindingUtils.writeJSON(jsonDescendants, request, response);
}
/**
* getFolderTree.
*/
@SuppressWarnings("unchecked")
public static void getFolderTree(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String folderId = (String) context.get(CONTEXT_OBJECT_ID);
BigInteger depth = getBigIntegerParameter(request, PARAM_DEPTH);
String filter = getStringParameter(request, PARAM_FILTER);
Boolean includeAllowableActions = getBooleanParameter(request, PARAM_ALLOWABLE_ACTIONS);
IncludeRelationships includeRelationships = getEnumParameter(request, PARAM_RELATIONSHIPS,
IncludeRelationships.class);
String renditionFilter = getStringParameter(request, PARAM_RENDITION_FILTER);
Boolean includePathSegment = getBooleanParameter(request, PARAM_PATH_SEGMENT);
// execute
List<ObjectInFolderContainer> folderTree = service.getFolderTree(repositoryId, folderId, depth, filter,
includeAllowableActions, includeRelationships, renditionFilter, includePathSegment, null);
if (folderTree == null) {
throw new CmisRuntimeException("Folder Tree are null!");
}
TypeCache typeCache = new TypeCache(repositoryId, service);
JSONArray jsonDescendants = new JSONArray();
for (ObjectInFolderContainer descendant : folderTree) {
jsonDescendants.add(JSONConverter.convert(descendant, typeCache));
}
response.setStatus(HttpServletResponse.SC_OK);
BrowserBindingUtils.writeJSON(jsonDescendants, request, response);
}
/**
* getObjectParents.
*/
@SuppressWarnings("unchecked")
public static void getObjectParents(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String objectId = (String) context.get(CONTEXT_OBJECT_ID);
String filter = getStringParameter(request, PARAM_FILTER);
Boolean includeAllowableActions = getBooleanParameter(request, PARAM_ALLOWABLE_ACTIONS);
IncludeRelationships includeRelationships = getEnumParameter(request, PARAM_RELATIONSHIPS,
IncludeRelationships.class);
String renditionFilter = getStringParameter(request, PARAM_RENDITION_FILTER);
Boolean includeRelativePathSegment = getBooleanParameter(request, PARAM_RELATIVE_PATH_SEGMENT);
// execute
List<ObjectParentData> parents = service.getObjectParents(repositoryId, objectId, filter,
includeAllowableActions, includeRelationships, renditionFilter, includeRelativePathSegment, null);
if (parents == null) {
throw new CmisRuntimeException("Parents are null!");
}
TypeCache typeCache = new TypeCache(repositoryId, service);
JSONArray jsonParents = new JSONArray();
for (ObjectParentData parent : parents) {
jsonParents.add(JSONConverter.convert(parent, typeCache));
}
response.setStatus(HttpServletResponse.SC_OK);
BrowserBindingUtils.writeJSON(jsonParents, request, response);
}
}