/*
* 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.openejb.tck.cdi.tomee.embedded;
import org.apache.el.ExpressionFactoryImpl;
import org.apache.el.lang.FunctionMapperImpl;
import org.apache.el.lang.VariableMapperImpl;
import org.apache.webbeans.el22.WebBeansELResolver;
import org.apache.webbeans.el22.WrappedExpressionFactory;
import javax.el.ArrayELResolver;
import javax.el.BeanELResolver;
import javax.el.CompositeELResolver;
import javax.el.ELContext;
import javax.el.ELContextEvent;
import javax.el.ELResolver;
import javax.el.ExpressionFactory;
import javax.el.FunctionMapper;
import javax.el.ListELResolver;
import javax.el.MapELResolver;
import javax.el.ResourceBundleELResolver;
import javax.el.VariableMapper;
/**
* @version $Rev$ $Date$
*/
public class ELImpl implements org.jboss.jsr299.tck.spi.EL {
private static final ExpressionFactory EXPRESSION_FACTORY = new WrappedExpressionFactory(new ExpressionFactoryImpl());
public ELImpl() {
}
public static ELResolver getELResolver() {
CompositeELResolver composite = new CompositeELResolver();
composite.add(new BeanELResolver());
composite.add(new ArrayELResolver());
composite.add(new MapELResolver());
composite.add(new ListELResolver());
composite.add(new ResourceBundleELResolver());
composite.add(new WebBeansELResolver());
return composite;
}
public static class ELContextImpl extends ELContext {
@Override
public ELResolver getELResolver() {
return ELImpl.getELResolver();
}
@Override
public FunctionMapper getFunctionMapper() {
return new FunctionMapperImpl();
}
@Override
public VariableMapper getVariableMapper() {
return new VariableMapperImpl();
}
}
@SuppressWarnings("unchecked")
public <T> T evaluateMethodExpression(String expression, Class<T> expectedType, Class<?>[] expectedParamTypes, Object[] expectedParams) {
ELContext context = createELContext();
Object object = EXPRESSION_FACTORY.createMethodExpression(context, expression, expectedType, expectedParamTypes).invoke(context, expectedParams);
return (T) object;
}
@SuppressWarnings("unchecked")
public <T> T evaluateValueExpression(String expression, Class<T> expectedType) {
ELContext context = createELContext();
Object object = EXPRESSION_FACTORY.createValueExpression(context, expression, expectedType).getValue(context);
return (T) object;
}
@Override
public ELContext createELContext() {
ELContext context = new ELContextImpl();
ELContextEvent event = new ELContextEvent(context);
return context;
}
}