85 lines
2.8 KiB
Java
85 lines
2.8 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.el;
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import javax.el.ELContext;
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import javax.el.ELResolver;
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import javax.el.ExpressionFactory;
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import javax.el.MethodExpression;
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import javax.el.ValueExpression;
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import org.apache.el.lang.ELSupport;
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import org.apache.el.lang.ExpressionBuilder;
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import org.apache.el.stream.StreamELResolverImpl;
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import org.apache.el.util.MessageFactory;
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/**
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* @see javax.el.ExpressionFactory
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*
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* @author Jacob Hookom [jacob@hookom.net]
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*/
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public class ExpressionFactoryImpl extends ExpressionFactory {
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/**
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*
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*/
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public ExpressionFactoryImpl() {
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super();
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}
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@Override
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public Object coerceToType(Object obj, Class<?> type) {
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return ELSupport.coerceToType(null, obj, type);
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}
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@Override
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public MethodExpression createMethodExpression(ELContext context,
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String expression, Class<?> expectedReturnType,
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Class<?>[] expectedParamTypes) {
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ExpressionBuilder builder = new ExpressionBuilder(expression, context);
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return builder.createMethodExpression(expectedReturnType,
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expectedParamTypes);
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}
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@Override
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public ValueExpression createValueExpression(ELContext context,
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String expression, Class<?> expectedType) {
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if (expectedType == null) {
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throw new NullPointerException(MessageFactory
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.get("error.value.expectedType"));
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}
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ExpressionBuilder builder = new ExpressionBuilder(expression, context);
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return builder.createValueExpression(expectedType);
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}
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@Override
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public ValueExpression createValueExpression(Object instance,
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Class<?> expectedType) {
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if (expectedType == null) {
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throw new NullPointerException(MessageFactory
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.get("error.value.expectedType"));
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}
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return new ValueExpressionLiteral(instance, expectedType);
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}
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@Override
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public ELResolver getStreamELResolver() {
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return new StreamELResolverImpl();
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}
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}
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