/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * 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.seasar.teeda.core.el.impl.commons;

 import javax.faces.el.EvaluationException;

 import javax.servlet.jsp.el.ELException;

 import org.apache.commons.el.Coercions;

 import org.apache.commons.el.Logger;

 /**

  * @author shot

  */

 public class CoercionsUtil {

     private static final org.seasar.framework.log.Logger logger_ = org.seasar.framework.log.Logger

             .getLogger(CoercionsUtil.class);

     private CoercionsUtil() {

     }

     public static Integer coerceToInteger(Object index) {

         return coerceToInteger(index, CommonsElLogger.getLogger());

     }

     public static Integer coerceToInteger(Object index, Logger logger) {

         try {

             return Coercions.coerceToInteger(index, logger);

         } catch (ELException e) {

             logger_.error(e + " occured at " + CoercionsUtil.class);

             return null;

         }

     }

     public static boolean coerceToPrimitiveBoolean(Object value)

             throws EvaluationException {

         return coerceToPrimitiveBoolean(value, CommonsElLogger.getLogger());

     }

     public static boolean coerceToPrimitiveBoolean(Object value, Logger logger)

             throws EvaluationException {

         try {

             return Coercions.coerceToBoolean(value, logger).booleanValue();

         } catch (ELException e) {

             throw new EvaluationException(e);

         }

     }

     public static Object coerce(Object newValue, Class type)

             throws EvaluationException {

         try {

             return Coercions

                     .coerce(newValue, type, CommonsElLogger.getLogger());

         } catch (ELException e) {

             throw new EvaluationException(e);

         }

     }

 }