UsernameItemCacheKeyGeneratorImpl.java

/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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.jasig.portlet.emailpreview.caching;

/**
 * Generates cache keys for user email message Ids
 *
 * @author James Wennmacher, jwennmacher@unicon.net
 */
public class UsernameItemCacheKeyGeneratorImpl implements IMessageCacheKeyGenerator {

  @Override
  public String getKey(String username, String messageId) {
    final StringBuilder key = new StringBuilder();
    key.append(username).append(".").append(messageId).toString();
    return key.toString();
  }
}