/* | |
* 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.myfaces.test.el; | |
import java.util.Iterator; | |
import javax.el.ELContext; | |
import javax.el.PropertyNotFoundException; | |
import javax.faces.FacesException; | |
/** | |
* <p><code>ELResolver</code> implementation that wraps the legacy (JSF 1.1) | |
* <code>VariableResolver</code> chain. See the JSF 1.2 Specification, section | |
* 5.6.1.5, for requirements implemented by this class.</p> | |
* | |
* @since 1.0.0 | |
*/ | |
public class FacesVariableResolverChainWrapper extends AbstractELResolver | |
{ | |
/** | |
* <p>Return the most general type this resolver accepts for the | |
* <code>property</code> argument.</p> | |
*/ | |
public Class getCommonPropertyType(ELContext context, Object base) | |
{ | |
if (base != null) | |
{ | |
return null; | |
} | |
else | |
{ | |
return String.class; | |
} | |
} | |
/** | |
* <p>Return an <code>Iterator</code> over the attributes that this | |
* resolver knows how to deal with.</p> | |
* | |
* @param context <code>ELContext</code> for evaluating this value | |
* @param base Base object against which this evaluation occurs | |
*/ | |
public Iterator getFeatureDescriptors(ELContext context, Object base) | |
{ | |
return null; | |
} | |
/** | |
* <p>Return the Java type of the specified property.</p> | |
* | |
* @param context <code>ELContext</code> for evaluating this value | |
* @param base Base object against which this evaluation occurs | |
* (must be null because we are evaluating a top level variable) | |
* @param property Property name to be accessed | |
*/ | |
public Class getType(ELContext context, Object base, Object property) | |
{ | |
if ((base == null) && (property == null)) | |
{ | |
throw new PropertyNotFoundException("No property specified"); | |
} | |
return null; | |
} | |
/** | |
* <p>Evaluate with the legacy variable resolver chain and return | |
* the value.</p> | |
* | |
* @param context <code>ELContext</code> for evaluating this value | |
* @param base Base object against which this evaluation occurs | |
* (must be null because we are evaluating a top level variable) | |
* @param property Property name to be accessed | |
*/ | |
public Object getValue(ELContext context, Object base, Object property) | |
{ | |
throw new FacesException("not supported anymore"); | |
} | |
/** | |
* <p>Return <code>true</code> if the specified property is read only.</p> | |
* | |
* @param context <code>ELContext</code> for evaluating this value | |
* @param base Base object against which this evaluation occurs | |
* (must be null because we are evaluating a top level variable) | |
* @param property Property name to be accessed | |
*/ | |
public boolean isReadOnly(ELContext context, Object base, Object property) | |
{ | |
if ((base == null) && (property == null)) | |
{ | |
throw new PropertyNotFoundException("No property specified"); | |
} | |
return false; | |
} | |
/** | |
* <p>Set the value of a scoped object for the specified name.</p> | |
* | |
* @param context <code>ELContext</code> for evaluating this value | |
* @param base Base object against which this evaluation occurs | |
* (must be null because we are evaluating a top level variable) | |
* @param property Property name to be accessed | |
* @param value New value to be set | |
*/ | |
public void setValue(ELContext context, Object base, Object property, | |
Object value) | |
{ | |
if ((base == null) && (property == null)) | |
{ | |
throw new PropertyNotFoundException("No property specified"); | |
} | |
} | |
} |