/**
* Licensed under the Common Development and Distribution License,
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.sun.com/cddl/
*
* 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 com.sun.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 com.sun.facelets.FaceletContext;
import com.sun.facelets.FaceletException;
import com.sun.facelets.FaceletHandler;
import com.sun.facelets.el.CompositeFunctionMapper;
import com.sun.facelets.tag.TagLibrary;
final class NamespaceHandler extends FunctionMapper implements FaceletHandler {
private final TagLibrary library;
private final Map ns;
private FaceletHandler next;
public NamespaceHandler(FaceletHandler next, TagLibrary library, Map 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;
}
}