package org.jboss.resteasy.links.impl;
import javax.el.ArrayELResolver;
import javax.el.BeanELResolver;
import javax.el.CompositeELResolver;
import javax.el.ELContext;
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;
import org.jboss.el.ExpressionFactoryImpl;
import org.jboss.el.lang.FunctionMapperImpl;
import org.jboss.el.lang.VariableMapperImpl;
public class EL {
public static final ExpressionFactory EXPRESSION_FACTORY = new ExpressionFactoryImpl();
private static ELResolver createELResolver(Object base) {
CompositeELResolver resolver = new CompositeELResolver();
if(base != null)
resolver.add(new BaseELResolver(base));
resolver.add(new MapELResolver());
resolver.add(new ListELResolver());
resolver.add(new ArrayELResolver());
resolver.add(new ResourceBundleELResolver());
resolver.add(new BeanELResolver());
return resolver;
}
public static ELContext createELContext(Object base) {
return createELContext(createELResolver(base), new FunctionMapperImpl());
}
public static ELContext createELContext(final ELResolver resolver,
final FunctionMapper functionMapper) {
return new ELContext() {
final VariableMapperImpl variableMapper = new VariableMapperImpl();
@Override
public ELResolver getELResolver() {
return resolver;
}
@Override
public FunctionMapper getFunctionMapper() {
return functionMapper;
}
@Override
public VariableMapper getVariableMapper() {
return variableMapper;
}
};
}
}