branch_for_jsf_2_0/core/src/main/java/org/apache/myfaces/extensions/validator/core/interceptor/ComponentInitializationAwareMetaDataExtractionInterceptor.java

/*
 * 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.extensions.validator.core.interceptor;

import org.apache.myfaces.extensions.validator.internal.UsageInformation;
import org.apache.myfaces.extensions.validator.internal.UsageCategory;
import org.apache.myfaces.extensions.validator.core.property.PropertyInformation;
import org.apache.myfaces.extensions.validator.core.InvocationOrderSupport;
import org.apache.myfaces.extensions.validator.util.JsfUtils;

/**
 * This is an abstract base class that can be used to define a MetaDataExtractionInterceptor that should only be
 * invoked when the MetaDataExtraction happens in the Render Response Phase.
 *
 * @author Gerhard Petracek
 * @since x.x.3
 */
@InvocationOrderSupport
@UsageInformation(UsageCategory.REUSE)
public abstract class ComponentInitializationAwareMetaDataExtractionInterceptor implements MetaDataExtractionInterceptor
{
    public final void afterExtracting(PropertyInformation propertyInformation)
    {
        if(JsfUtils.isRenderResponsePhase())
        {
            afterExtractingForComponentInitialization(propertyInformation);
        }
    }

    /**
     * Perform any additional actions on the PropertyInformation data after the extraction is performed and before it is
     * used to determine UIComponents adjustments.
     * @param propertyInformation he information entry which contains information about the property
     */
    protected abstract void afterExtractingForComponentInitialization(PropertyInformation propertyInformation);
}