/**

  * Copyright 2010 The Kuali Foundation Licensed under the

  * Educational Community 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.osedu.org/licenses/ECL-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.kuali.student.core.statement.naturallanguage.translators;

 import java.util.Map;

 import org.kuali.student.common.messagebuilder.MessageBuilder;

 import org.kuali.student.common.messagebuilder.booleanmessage.MessageContainer;

 import org.kuali.student.common.messagebuilder.impl.exceptions.MessageBuilderException;

 /**

  * This class builds a message from a boolean expression in a specific language.

  */

 public class NaturalLanguageMessageBuilder {

     private Map<String, MessageBuilder> messageBuilderMap;

         /**

      * Constructs a new natural language message builder for a map of 

      * message builders. Each map entry is a message builder for 

      * a specific language.

          * 

          * @param messageBuilderMap Map of message builders

          */

         public NaturalLanguageMessageBuilder(final Map<String, MessageBuilder> messageBuilderMap) {

                 this.messageBuilderMap = messageBuilderMap;

         }

         /**

          * Builds the message from the <code>booleanExpression</code>.

          * 

          * @param booleanExpression Boolean expression

          * @param messageContainer List of messages

          * @return Composed message from the boolean expression

          */

         public String buildMessage(final String language, final String booleanExpression, final MessageContainer messageContainer) {

                 MessageBuilder mb = this.messageBuilderMap.get(language);

                 if(mb == null) {

                         throw new MessageBuilderException("Message builder not found for language key '" + language +"'");

                 }

                 return mb.buildMessage(booleanExpression, messageContainer);

         }

 }