Package com.sun.faces.facelets.tag.jsf.core

Source Code of com.sun.faces.facelets.tag.jsf.core.ViewHandler

/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2008 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License").  You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code.  If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license."  If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above.  However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* 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.faces.facelets.tag.jsf.core;

import com.sun.faces.facelets.tag.TagHandlerImpl;
import com.sun.faces.facelets.tag.jsf.ComponentSupport;

import javax.el.MethodExpression;
import javax.faces.component.UIComponent;
import javax.faces.component.UIViewRoot;
import javax.faces.event.PhaseEvent;
import javax.faces.view.facelets.FaceletContext;
import javax.faces.view.facelets.TagAttribute;
import javax.faces.view.facelets.TagConfig;
import java.io.IOException;

/**
* Container for all JavaServer Faces core and custom component actions used on
* a page. <p/> See <a target="_new"
* href="http://java.sun.com/j2ee/javaserverfaces/1.1_01/docs/tlddocs/f/view.html">tag
* documentation</a>.
*
* @author Jacob Hookom
* @version $Id: ViewHandler.java 7265 2009-05-01 19:46:08Z rlubke $
*/
public final class ViewHandler extends TagHandlerImpl {

    private final static Class[] LISTENER_SIG = new Class[] { PhaseEvent.class };

    private final TagAttribute locale;

    private final TagAttribute renderKitId;
   
    private final TagAttribute contentType;
   
    private final TagAttribute encoding;

    private final TagAttribute beforePhase;

    private final TagAttribute afterPhase;

    /**
     * @param config
     */
    public ViewHandler(TagConfig config) {
        super(config);
        this.locale = this.getAttribute("locale");
        this.renderKitId = this.getAttribute("renderKitId");
        this.contentType = this.getAttribute("contentType");
        this.encoding = this.getAttribute("encoding");
        TagAttribute testForNull = this.getAttribute("beforePhase");
        this.beforePhase = (null == testForNull) ?
                         this.getAttribute("beforePhaseListener") : testForNull;
        testForNull = this.getAttribute("afterPhase");
        this.afterPhase = (null == testForNull) ?
                         this.getAttribute("afterPhaseListener") : testForNull;
    }

    /**
     * See taglib documentation.
     *
     * @see com.sun.faces.facelets.FaceletHandler#apply(com.sun.faces.facelets.FaceletContext, javax.faces.component.UIComponent)
     */
    public void apply(FaceletContext ctx, UIComponent parent)
            throws IOException {
        UIViewRoot root = ComponentSupport.getViewRoot(ctx, parent);
        Object partialStateSavingVal = null;
        if (root != null) {
            if (this.locale != null) {
                root.setLocale(ComponentSupport.getLocale(ctx,
                        this.locale));
            }
            if (this.renderKitId != null) {
                String v = this.renderKitId.getValue(ctx);
                root.setRenderKitId(v);
            }
            if (this.contentType != null) {
                String v = this.contentType.getValue(ctx);
                ctx.getFacesContext().getAttributes().put("facelets.ContentType", v);
            }
            if (this.encoding != null) {
                String v = this.encoding.getValue(ctx);
                ctx.getFacesContext().getAttributes().put("facelets.Encoding", v);
            }
            if (this.beforePhase != null) {
                MethodExpression m = this.beforePhase
                        .getMethodExpression(ctx, null, LISTENER_SIG);
                root.setBeforePhaseListener(m);
            }
            if (this.afterPhase != null) {
                MethodExpression m = this.afterPhase
                        .getMethodExpression(ctx, null, LISTENER_SIG);
                root.setAfterPhaseListener(m);
            }
            if (Boolean.TRUE.equals(ctx.getFacesContext().getAttributes().get("partialStateSaving"))) {
                root.markInitialState();
            }
        }

        this.nextHandler.apply(ctx, parent);
    }

}
TOP

Related Classes of com.sun.faces.facelets.tag.jsf.core.ViewHandler

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.