/**
    * Copyright 2005-2016 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.opensource.org/licenses/ecl2.php
    *
   * 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.rice.krad.uif.util;
  
  import java.util.Collection;
  import java.util.Collections;
  
  import org.kuali.rice.krad.messages.Message;
  import org.kuali.rice.krad.messages.MessageProvider;
  import org.kuali.rice.krad.messages.MessageService;
  import org.kuali.rice.krad.messages.MessageServiceImpl;
  import org.kuali.rice.krad.messages.providers.ResourceMessageProvider;
  
  /**
   * Provides mock messages for UIF unit tests.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class MockMessageService implements MessageService {
  
      private MessageService delegate;
  
      private MessageService getDelegate() {
          if (delegate != null) {
              return delegate;
          }
  
          ResourceMessageProvider provider = new ResourceMessageProvider();
          
          MessageServiceImpl messageServiceDelegate = new MessageServiceImpl();
          messageServiceDelegate.setMessageProviders(Collections.<MessageProvider> singletonList(provider));
          delegate = messageServiceDelegate;
          return delegate;
      }
      
      /**
       * @see org.kuali.rice.krad.messages.MessageService#getMessage(java.lang.String,
       *      java.lang.String, java.lang.String)
       */
      @Override
      public Message getMessage(String namespace, String component, String key) {
          Message rv = getDelegate().getMessage(namespace, component, key);
          if (rv != null) {
              return rv;
          }
          
          rv = new Message();
          rv.setNamespaceCode(namespace);
          rv.setComponentCode(component);
          rv.setKey(key);
          rv.setText(getMessageText(namespace, component, key));
          return rv;
      }
  
      /**
       * @see org.kuali.rice.krad.messages.MessageService#getMessage(java.lang.String,
       *      java.lang.String, java.lang.String, java.lang.String)
       */
      @Override
      public Message getMessage(String namespace, String component, String key, String locale) {
          Message rv = getDelegate().getMessage(namespace, component, key, locale);
          if (rv != null) {
              return rv;
          }
  
          rv = new Message();
          rv.setNamespaceCode(namespace);
          rv.setComponentCode(component);
          rv.setKey(key);
          rv.setLocale(locale);
          rv.setText(namespace + ":" + component + ":" + key + ":" + locale);
          return rv;
      }
  
      /**
       * @see org.kuali.rice.krad.messages.MessageService#getMessageText(java.lang.String,
       *      java.lang.String, java.lang.String)
       */
      @Override
      public String getMessageText(String namespace, String component, String key) {
          String rv = getDelegate().getMessageText(namespace, component, key);
          if (rv != null) {
              return rv;
          }
  
          return namespace + ":" + component + ":" + key;
     }
 
     /**
      * @see org.kuali.rice.krad.messages.MessageService#getMessageText(java.lang.String,
      *      java.lang.String, java.lang.String, java.lang.String)
      */
     @Override
     public String getMessageText(String namespace, String component, String key, String locale) {
         String rv = getDelegate().getMessageText(namespace, component, key, locale);
         if (rv != null) {
             return rv;
         }
 
         return namespace + ":" + component + ":" + key + ":" + locale;
     }
 
     /**
      * @see org.kuali.rice.krad.messages.MessageService#getMessageText(java.lang.String)
      */
     @Override
     public String getMessageText(String key) {
         String rv = getDelegate().getMessageText(key);
         if (rv != null) {
             return rv;
         }
 
         return key;
     }
 
     /**
      * @see org.kuali.rice.krad.messages.MessageService#getMessageText(java.lang.String,
      *      java.lang.String)
      */
     @Override
     public String getMessageText(String key, String locale) {
         String rv = getDelegate().getMessageText(key, locale);
         if (rv != null) {
             return rv;
         }
 
         return key + ":" + locale;
     }
 
     /**
      * @see org.kuali.rice.krad.messages.MessageService#getAllMessagesForComponent(java.lang.String,
      *      java.lang.String)
      */
     @Override
     public Collection<Message> getAllMessagesForComponent(String namespace, String component) {
         Collection<Message> rv = getDelegate().getAllMessagesForComponent(namespace, component);
         if (rv != null) {
             return rv;
         }
 
         Message rm = new Message();
         rm.setNamespaceCode(namespace);
         rm.setComponentCode(component);
         rm.setText(namespace + ":" + component);
         return Collections.singletonList(rm);
     }
 
     /**
      * @see org.kuali.rice.krad.messages.MessageService#getAllMessagesForComponent(java.lang.String,
      *      java.lang.String, java.lang.String)
      */
     @Override
     public Collection<Message> getAllMessagesForComponent(String namespace, String component, String locale) {
         Collection<Message> rv = getDelegate().getAllMessagesForComponent(namespace, component, locale);
         if (rv != null) {
             return rv;
         }
 
         Message rm = new Message();
         rm.setNamespaceCode(namespace);
         rm.setComponentCode(component);
         rm.setLocale(locale);
         rm.setText(namespace + ":" + component + ":" + locale);
         return Collections.singletonList(rm);
     }
 
 }