org.hibernate.validator.internal.engine.messageinterpolation.el.SimpleELContext Maven / Gradle / Ivy
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* Copyright 2012, Red Hat, Inc. and/or its affiliates, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.hibernate.validator.internal.engine.messageinterpolation.el;
import java.lang.reflect.Method;
import javax.el.ArrayELResolver;
import javax.el.BeanELResolver;
import javax.el.CompositeELResolver;
import javax.el.ELContext;
import javax.el.ELResolver;
import javax.el.ListELResolver;
import javax.el.MapELResolver;
import javax.el.ResourceBundleELResolver;
import javax.el.ValueExpression;
import javax.el.VariableMapper;
/**
* @author Hardy Ferentschik
*/
public class SimpleELContext extends ELContext {
private static final ELResolver DEFAULT_RESOLVER = new CompositeELResolver() {
{
add( new RootResolver() );
add( new ArrayELResolver( false ) );
add( new ListELResolver( false ) );
add( new MapELResolver( false ) );
add( new ResourceBundleELResolver() );
add( new BeanELResolver( false ) );
}
};
private final MapBasedFunctionMapper functions;
private final VariableMapper variableMapper;
private final ELResolver resolver;
public SimpleELContext() {
functions = new MapBasedFunctionMapper();
variableMapper = new MapBasedVariableMapper();
resolver = DEFAULT_RESOLVER;
}
@Override
public ELResolver getELResolver() {
return resolver;
}
@Override
public MapBasedFunctionMapper getFunctionMapper() {
return functions;
}
@Override
public VariableMapper getVariableMapper() {
return variableMapper;
}
public ValueExpression setVariable(String name, ValueExpression expression) {
return variableMapper.setVariable( name, expression );
}
public void setFunction(String prefix, String localName, Method method) {
functions.setFunction( prefix, localName, method );
}
}