/*
* 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.view.facelets.compiler;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Map;
import javax.el.ELException;
import javax.el.FunctionMapper;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.view.facelets.ComponentHandler;
import javax.faces.view.facelets.FaceletContext;
import javax.faces.view.facelets.FaceletException;
import javax.faces.view.facelets.FaceletHandler;
import org.apache.myfaces.view.facelets.el.CompositeFunctionMapper;
import org.apache.myfaces.view.facelets.tag.TagLibrary;
import org.apache.myfaces.view.facelets.tag.composite.CompositeComponentResourceTagHandler;
final class NamespaceHandler extends FunctionMapper implements FaceletHandler
{
private final TagLibrary library;
private final Map<String, String> ns;
private FaceletHandler next;
public NamespaceHandler(FaceletHandler next, TagLibrary library, Map<String, String> ns)
{
this.library = library;
this.ns = ns;
this.next = next;
}
public void apply(FaceletContext ctx, UIComponent parent) throws IOException, FacesException, FaceletException,
ELException
{
FunctionMapper orig = ctx.getFunctionMapper();
ctx.setFunctionMapper(new CompositeFunctionMapper(this, orig));
try
{
next.apply(ctx, parent);
}
finally
{
ctx.setFunctionMapper(orig);
}
}
public Method resolveFunction(String prefix, String localName)
{
String uri = (String) this.ns.get(prefix);
if (uri != null)
{
return this.library.createFunction(uri, localName);
}
return null;
}
public boolean isNextHandlerComponent()
{
return (next instanceof ComponentHandler);
}
public boolean isNextHandlerCompositeComponent()
{
return (next instanceof CompositeComponentResourceTagHandler);
}
}