/**
* Licensed 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 com.sun.facelets.compiler;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.el.ELException;
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.tag.CompositeFaceletHandler;
/**
*
* @author Jacob Hookom
* @version $Id: CompilationUnit.java,v 1.7 2008/07/13 19:01:33 rlubke Exp $
*/
class CompilationUnit {
protected final static FaceletHandler LEAF = new FaceletHandler() {
public void apply(FaceletContext ctx, UIComponent parent)
throws IOException, FacesException, FaceletException,
ELException {
}
public String toString() {
return "FaceletHandler Tail";
}
};
private List children;
public CompilationUnit() {
}
public void addChild(CompilationUnit unit) {
if (this.children == null) {
this.children = new ArrayList();
}
this.children.add(unit);
}
public FaceletHandler createFaceletHandler() {
return this.getNextFaceletHandler();
}
protected final FaceletHandler getNextFaceletHandler() {
if (this.children == null || this.children.size() == 0) {
return LEAF;
}
if (this.children.size() == 1) {
CompilationUnit u = (CompilationUnit) this.children.get(0);
return u.createFaceletHandler();
}
FaceletHandler[] fh = new FaceletHandler[this.children.size()];
for (int i = 0; i < fh.length; i++) {
fh[i] = ((CompilationUnit) this.children.get(i))
.createFaceletHandler();
}
return new CompositeFaceletHandler(fh);
}
}