/*
    * Copyright 2004-2009 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
    *
    *      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 org.springmodules.validation.bean.conf.loader;
  
  import org.springmodules.validation.bean.conf.BeanValidationConfiguration;
  
  /**
   * A composite {@link org.springmodules.validation.bean.conf.loader.BeanValidationConfigurationLoader} implementation that
   * loads bean validation configuration using multiple sub-loaders.
   *
   * @author Uri Boness
   */
  public class PrioritizedBeanValidationConfigurationLoader implements BeanValidationConfigurationLoader {
  
      private BeanValidationConfigurationLoader[] loaders;
  
      public PrioritizedBeanValidationConfigurationLoader() {
          this(new BeanValidationConfigurationLoader[0]);
      }
  
      public PrioritizedBeanValidationConfigurationLoader(BeanValidationConfigurationLoader[] loaders) {
          this.loaders = loaders;
      }
  
      public BeanValidationConfiguration loadConfiguration(Class clazz) {
          for (int i = 0; i < loaders.length; i++) {
              if (loaders[i].supports(clazz)) {
                  BeanValidationConfiguration config = loaders[i].loadConfiguration(clazz);
                  if (config != null) {
                      return config;
                  }
              }
          }
          return null;
      }
  
  
      public boolean supports(Class clazz) {
          for (int i = 0; i < loaders.length; i++) {
              if (loaders[i].supports(clazz)) {
                  return true;
              }
          }
          return false;
      }
  
      //=============================================== Setter/Getter ====================================================
  
      public void setLoaders(BeanValidationConfigurationLoader[] loaders) {
          this.loaders = loaders;
      }
  
      public BeanValidationConfigurationLoader[] getLoaders() {
          return loaders;
      }
  
  }