/* See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* Esri Inc. 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 com.esri.gpt.server.assertion.handler;
import com.esri.gpt.server.assertion.components.AsnContext;
import com.esri.gpt.server.assertion.components.AsnOperation;
import com.esri.gpt.server.assertion.exception.AsnInvalidOperationException;
import com.esri.gpt.server.assertion.index.Assertion;
/**
* Handles the creation of an assertion.
*/
public class AsnCreateHandler extends AsnOperationHandler {
/** constructors ============================================================ */
/** Default constructor */
public AsnCreateHandler() {}
/** methods ================================================================= */
/**
* Handle a create operation.
* @param context the assertion operation context
* @throws Exception if a processing exception occurs
*/
public void handle(AsnContext context) throws Exception {
// if multiple assertions per user per user/subject/predicate are not allowed,
// throw an exception if a previous assertion exists
AsnOperation operation = context.getOperation();
boolean multipleAllowed = operation.getAuthPolicy().getMultiplePerUserSubjectPredicate();
if (!multipleAllowed) {
Assertion existing = this.getIndexAdapter().loadPreviousUserAssertion(context);
if (existing != null) {
String msg = "An assertion for this subject, predicate and user already exists.";
throw new AsnInvalidOperationException(msg);
}
}
// index the assertion
Assertion assertion = operation.getAssertionSet().newAssertion(context,true);
context.getAuthorizer().authorizeCreate(context,assertion);
this.getIndexAdapter().index(context,assertion);
// return the new assertion subject ID
String asnPfx = operation.getAssertionSet().getAssertionIdPrefix();
String msg = asnPfx+":"+assertion.getSystemPart().getAssertionId();
context.getOperationResponse().generateOkResponse(context,msg);
}
}