org.springframework.ldap.transaction.compensating.BindOperationRecorder Maven / Gradle / Ivy

/*
 * Copyright 2005-2010 the original author or authors.
 *
 * Licensed 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
 *
 *      https://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.springframework.ldap.transaction.compensating;

import javax.naming.Name;
import javax.naming.directory.Attributes;

import org.springframework.ldap.core.LdapOperations;
import org.springframework.transaction.compensating.CompensatingTransactionOperationExecutor;
import org.springframework.transaction.compensating.CompensatingTransactionOperationRecorder;

/**
 * A {@link CompensatingTransactionOperationRecorder} keeping track of bind
 * operations. Creates {@link BindOperationExecutor} objects in
 * {@link #recordOperation(Object[])}.
 * 
 * @author Mattias Hellborg Arthursson
 * @since 1.2
 */
public class BindOperationRecorder implements
		CompensatingTransactionOperationRecorder {

	private LdapOperations ldapOperations;

	/**
	 * Constructor.
	 * 
	 * @param ldapOperations
	 *			{@link LdapOperations} to use for supplying to the
	 *			corresponding rollback operation.
	 */
	public BindOperationRecorder(LdapOperations ldapOperations) {
		this.ldapOperations = ldapOperations;
	}

	/*
	 * @see org.springframework.ldap.support.transaction.CompensatingTransactionOperationRecorder#recordOperation(java.lang.Object[])
	 */
	public CompensatingTransactionOperationExecutor recordOperation(
			Object[] args) {
		if (args == null || args.length != 3) {
			throw new IllegalArgumentException(
					"Invalid arguments for bind operation");
		}
		Name dn = LdapTransactionUtils.getFirstArgumentAsName(args);
		Object object = args[1];
		Attributes attributes = null;
		if (args[2] != null && !(args[2] instanceof Attributes)) {
			throw new IllegalArgumentException(
					"Invalid third argument to bind operation");
		} else if (args[2] != null) {
			attributes = (Attributes) args[2];
		}

		return new BindOperationExecutor(ldapOperations, dn, object, attributes);
	}

	/**
	 * Get the LdapOperations. For testing purposes.s
	 * 
	 * @return the LdapOperations.
	 */
	LdapOperations getLdapOperations() {
		return ldapOperations;
	}
}