001/*
002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Anahide Tchertchian
018 */
019package org.nuxeo.ecm.platform.actions.jsf;
020
021import java.util.Locale;
022
023import javax.el.ELContext;
024import javax.el.ELResolver;
025import javax.el.FunctionMapper;
026import javax.el.VariableMapper;
027
028import com.sun.faces.facelets.el.VariableMapperWrapper;
029
030/**
031 * Wrapper around another EL context to allow override of the variable mapper for some values in context.
032 *
033 * @since 5.7.3
034 */
035public class JSFELContext extends ELContext {
036
037    protected final ELContext originalContext;
038
039    protected final VariableMapper variableMapper;
040
041    public JSFELContext(ELContext originalContext) {
042        super();
043        this.originalContext = originalContext;
044        this.variableMapper = new VariableMapperWrapper(originalContext.getVariableMapper());
045    }
046
047    @Override
048    public ELResolver getELResolver() {
049        return originalContext.getELResolver();
050    }
051
052    @Override
053    public FunctionMapper getFunctionMapper() {
054        return originalContext.getFunctionMapper();
055    }
056
057    @Override
058    public VariableMapper getVariableMapper() {
059        return variableMapper;
060    }
061
062    @Override
063    @SuppressWarnings("rawtypes")
064    public Object getContext(Class key) {
065        return originalContext.getContext(key);
066    }
067
068    @Override
069    public Locale getLocale() {
070        return originalContext.getLocale();
071    }
072
073    @Override
074    public boolean isPropertyResolved() {
075        return originalContext.isPropertyResolved();
076    }
077
078    @Override
079    @SuppressWarnings("rawtypes")
080    public void putContext(Class key, Object contextObject) {
081        originalContext.putContext(key, contextObject);
082    }
083
084    @Override
085    public void setLocale(Locale locale) {
086        originalContext.setLocale(locale);
087    }
088
089    @Override
090    public void setPropertyResolved(boolean resolved) {
091        originalContext.setPropertyResolved(resolved);
092    }
093
094}