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The private implementation classes of the Apache MyFaces Core JSF-2.1 Implementation

There is a newer version: 4.1.0-RC2

/*
 * 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.tag.jsf.core;

import javax.faces.validator.Validator;
import javax.faces.view.facelets.FaceletContext;
import javax.faces.view.facelets.MetaRuleset;
import javax.faces.view.facelets.TagAttribute;
import javax.faces.view.facelets.ValidatorConfig;
import javax.faces.view.facelets.ValidatorHandler;

import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFFaceletAttribute;
import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFFaceletTag;


/**
 * Register a named Validator instance on the UIComponent associated with the closest parent UIComponent custom
 * action. See tag documentation.
 * 
 * @author Jacob Hookom
 * @version $Id: ValidateDelegateHandler.java 1187701 2011-10-22 12:21:54Z bommel $
 */
@JSFFaceletTag(
        name = "f:validator",
        bodyContent = "empty", 
        tagClass="org.apache.myfaces.taglib.core.ValidatorImplTag")
@JSFFaceletAttribute(name="disabled", deferredValueType="java.lang.Boolean", 
        desc="no description", longDescription="no description")
public final class ValidateDelegateHandler extends ValidatorHandler
{

    private final TagAttribute validatorId;

    public ValidateDelegateHandler(ValidatorConfig config)
    {
        super(config);
        this.validatorId = this.getAttribute("validatorId");
    }

    /**
     * Uses the specified "validatorId" to get a new Validator instance from the Application.
     * 
     * @see javax.faces.application.Application#createValidator(java.lang.String)
     * @see javax.faces.view.facelets.ValidatorHandler#createValidator(javax.faces.view.facelets.FaceletContext)
     */
    protected Validator createValidator(FaceletContext ctx)
    {
        return ctx.getFacesContext().getApplication().createValidator(this.getValidatorId(ctx));
    }

    protected MetaRuleset createMetaRuleset(Class type)
    {
        return super.createMetaRuleset(type).ignoreAll();
    }

    @Override
    public String getValidatorId(FaceletContext ctx)
    {
        if (validatorId == null)
        {
            return null;
        }
        return validatorId.getValue(ctx);
    }

}