| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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 |
| * |
| * 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.apache.el; |
| |
| import javax.el.ELContext; |
| import javax.el.ExpressionFactory; |
| import javax.el.MethodExpression; |
| import javax.el.ValueExpression; |
| |
| import org.apache.el.lang.ELSupport; |
| import org.apache.el.lang.ExpressionBuilder; |
| import org.apache.el.util.MessageFactory; |
| |
| |
| /** |
| * @see javax.el.ExpressionFactory |
| * |
| * @author Jacob Hookom [jacob@hookom.net] |
| * @version $Id: ExpressionFactoryImpl.java,v 1.1 2011/06/28 21:14:12 rherrmann Exp $ |
| */ |
| public class ExpressionFactoryImpl extends ExpressionFactory { |
| |
| /** |
| * |
| */ |
| public ExpressionFactoryImpl() { |
| super(); |
| } |
| |
| @Override |
| public Object coerceToType(Object obj, Class<?> type) { |
| return ELSupport.coerceToType(obj, type); |
| } |
| |
| @Override |
| public MethodExpression createMethodExpression(ELContext context, |
| String expression, Class<?> expectedReturnType, |
| Class<?>[] expectedParamTypes) { |
| ExpressionBuilder builder = new ExpressionBuilder(expression, context); |
| return builder.createMethodExpression(expectedReturnType, |
| expectedParamTypes); |
| } |
| |
| @Override |
| public ValueExpression createValueExpression(ELContext context, |
| String expression, Class<?> expectedType) { |
| if (expectedType == null) { |
| throw new NullPointerException(MessageFactory |
| .get("error.value.expectedType")); |
| } |
| ExpressionBuilder builder = new ExpressionBuilder(expression, context); |
| return builder.createValueExpression(expectedType); |
| } |
| |
| @Override |
| public ValueExpression createValueExpression(Object instance, |
| Class<?> expectedType) { |
| if (expectedType == null) { |
| throw new NullPointerException(MessageFactory |
| .get("error.value.expectedType")); |
| } |
| return new ValueExpressionLiteral(instance, expectedType); |
| } |
| } |