Package org.apache.myfaces.extensions.validator.baseval.strategy

Source Code of org.apache.myfaces.extensions.validator.baseval.strategy.JoinValidationStrategy

/*
* 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.baseval.strategy;

import org.apache.myfaces.extensions.validator.baseval.annotation.JoinValidation;
import org.apache.myfaces.extensions.validator.baseval.annotation.extractor.DefaultPropertyScanningMetaDataExtractor;
import org.apache.myfaces.extensions.validator.core.metadata.MetaDataEntry;
import org.apache.myfaces.extensions.validator.core.metadata.extractor.MetaDataExtractor;
import org.apache.myfaces.extensions.validator.core.validation.strategy.AbstractValidationStrategy;
import org.apache.myfaces.extensions.validator.core.validation.strategy.ValidationStrategy;
import org.apache.myfaces.extensions.validator.core.property.PropertyDetails;
import org.apache.myfaces.extensions.validator.util.ExtValUtils;
import org.apache.myfaces.extensions.validator.util.ProxyUtils;
import org.apache.myfaces.extensions.validator.internal.UsageInformation;
import org.apache.myfaces.extensions.validator.internal.UsageCategory;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.ValidatorException;
import javax.faces.FacesException;
import java.util.logging.Level;

/**
* @author Gerhard Petracek
* @since 1.x.1
*/
@UsageInformation(UsageCategory.INTERNAL)
@Deprecated
public class JoinValidationStrategy extends AbstractValidationStrategy
{
    public void processValidation(FacesContext facesContext,
                                  UIComponent uiComponent, MetaDataEntry metaDataEntry,
                                  Object convertedObject) throws ValidatorException
    {
        try
        {
            validateJoinValidation(facesContext, uiComponent, metaDataEntry, convertedObject);
        }
        catch (FacesException t)
        {
            throw t;
        }
        catch (Exception e)
        {
            this.logger.log(Level.WARNING, "this class is replaced by a meta-data storage filter. " +
                    "if it gets invoked and an exception occurs, a custom syntax is used." +
                    "this class might be used by an old add-on. please check for a newer version.", e);
        }
    }

    private void validateJoinValidation(FacesContext facesContext,
                                        UIComponent uiComponent,
                                        MetaDataEntry metaDataEntry,
                                        Object convertedObject)
    {
        MetaDataExtractor extractor = DefaultPropertyScanningMetaDataExtractor.getInstance();

        String[] targetExpressions = metaDataEntry.getValue(JoinValidation.class).value();

        ValidationStrategy validationStrategy;

        PropertyDetails propertyDetails;
        for (String targetExpression : targetExpressions)
        {
            propertyDetails = ExtValUtils
                .createPropertyDetailsForNewTarget(metaDataEntry, targetExpression);

            for (MetaDataEntry entry : extractor.extract(facesContext, propertyDetails).getMetaDataEntries())
            {
                validationStrategy = ExtValUtils.getValidationStrategyForMetaData(entry.getKey());

                if (validationStrategy != null)
                {
                    if(ExtValUtils.processMetaDataEntryAfterSkipValidation(ProxyUtils.getUnproxiedClass(
                            validationStrategy.getClass(), ValidationStrategy.class), entry))
                    {
                        continue;
                    }

                    validationStrategy.validate(facesContext, uiComponent, entry, convertedObject);
                }
                else
                {
                    logger.finest("no validation strategy found for " + entry.getValue());
                }
            }
        }
    }
}
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