/*
* 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.*;
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.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
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.IncludeRelationships;
import org.apache.chemistry.opencmis.commons.enums.VersioningState;
import org.apache.chemistry.opencmis.commons.exceptions.CmisRuntimeException;
import org.apache.chemistry.opencmis.commons.impl.ReturnVersion;
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.impl.browser.json.JSONConverter;
import org.json.simple.JSONObject;
/**
* Object Service operations.
*/
public final class ObjectService {
private static final int BUFFER_SIZE = 64 * 1024;
private ObjectService() {
}
public static void createDocument(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String folderId = (String) context.get(CONTEXT_OBJECT_ID);
VersioningState versioningState = getEnumParameter(request, PARAM_VERSIONIG_STATE,
VersioningState.class);
String transaction = getStringParameter(request, PARAM_TRANSACTION);
ControlParser cp = new ControlParser(request);
TypeCache typeCache = new TypeCache(repositoryId, service);
String newObjectId = service.createDocument(repositoryId,
createProperties(cp, null, typeCache), folderId,
createContentStream(request), versioningState,
createPolicies(cp), createAddAcl(cp),
createRemoveAcl(cp), null);
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!");
}
JSONObject jsonObject = JSONConverter.convert(object, typeCache);
response.setStatus(HttpServletResponse.SC_CREATED);
setCookie(request, response, repositoryId, transaction,
createCookieValue(HttpServletResponse.SC_CREATED, object.getId(), null, null));
writeJSON(jsonObject, request, response);
}
public static void createFolder(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String folderId = (String) context.get(CONTEXT_OBJECT_ID);
String transaction = getStringParameter(request, PARAM_TRANSACTION);
ControlParser cp = new ControlParser(request);
TypeCache typeCache = new TypeCache(repositoryId, service);
String newObjectId = service.createFolder(repositoryId,
createProperties(cp, null, typeCache), folderId,
createPolicies(cp), createAddAcl(cp),
createRemoveAcl(cp), null);
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!");
}
JSONObject jsonObject = JSONConverter.convert(object, typeCache);
response.setStatus(HttpServletResponse.SC_CREATED);
setCookie(request, response, repositoryId, transaction,
createCookieValue(HttpServletResponse.SC_CREATED, object.getId(), null, null));
writeJSON(jsonObject, request, response);
}
public static void getObject(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String objectId = (String) context.get(CONTEXT_OBJECT_ID);
ReturnVersion returnVersion = getEnumParameter(request, PARAM_RETURN_VERSION, ReturnVersion.class);
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 includePolicyIds = getBooleanParameter(request, PARAM_POLICY_IDS);
Boolean includeAcl = getBooleanParameter(request, PARAM_ACL);
// execute
ObjectData object;
if (returnVersion == ReturnVersion.LATEST || returnVersion == ReturnVersion.LASTESTMAJOR) {
object = service.getObjectOfLatestVersion(repositoryId, objectId, null,
returnVersion == ReturnVersion.LASTESTMAJOR, filter, includeAllowableActions, includeRelationships,
renditionFilter, includePolicyIds, includeAcl, null);
} else {
object = service.getObject(repositoryId, objectId, filter, includeAllowableActions, includeRelationships,
renditionFilter, includePolicyIds, includeAcl, null);
}
if (object == null) {
throw new CmisRuntimeException("Object is null!");
}
TypeCache typeCache = new TypeCache(repositoryId, service);
JSONObject jsonObject = JSONConverter.convert(object, typeCache);
response.setStatus(HttpServletResponse.SC_OK);
writeJSON(jsonObject, request, response);
}
public static void getContentStream(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String objectId = (String) context.get(CONTEXT_OBJECT_ID);
String streamId = getStringParameter(request, PARAM_STREAM_ID);
BigInteger offset = context.getOffset();
BigInteger length = context.getLength();
// execute
ContentStream content = service.getContentStream(repositoryId, objectId, streamId, offset, length, null);
if (content == null || content.getStream() == null) {
throw new CmisRuntimeException("Content stream is null!");
}
String contentType = content.getMimeType();
if (contentType == null) {
contentType = MEDIATYPE_OCTETSTREAM;
}
// set headers
if (offset == null && length == null) {
response.setStatus(HttpServletResponse.SC_OK);
} else {
response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT);
}
response.setContentType(contentType);
// send content
InputStream in = new BufferedInputStream(content.getStream(), BUFFER_SIZE);
OutputStream out = new BufferedOutputStream(response.getOutputStream());
byte[] buffer = new byte[BUFFER_SIZE];
int b;
while ((b = in.read(buffer)) > -1) {
out.write(buffer, 0, b);
}
in.close();
out.flush();
}
public static void deleteObject(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String objectId = (String) context.get(CONTEXT_OBJECT_ID);
// TODO: more parameters
service.deleteObject(repositoryId, objectId, null, null);
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
}
public static void deleteTree(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String objectId = (String) context.get(CONTEXT_OBJECT_ID);
// TODO: more parameters
service.deleteTree(repositoryId, objectId, null, null, null, null);
response.setStatus(HttpServletResponse.SC_NO_CONTENT);
}
// TODO: doesn't work
public static void setContentStream(CallContext context, CmisService service, String repositoryId,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// get parameters
String objectId = (String) context.get(CONTEXT_OBJECT_ID);
// execute
service.setContentStream(repositoryId, new Holder<String>(objectId),
true, null, createContentStream(request), null);
getObject(context, service, repositoryId, request, response);
}
}