/* | |
* 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.crossval.strategy; | |
import org.apache.myfaces.extensions.validator.crossval.ProcessedInformationEntry; | |
import org.apache.myfaces.extensions.validator.crossval.CrossValidationStorage; | |
import org.apache.myfaces.extensions.validator.crossval.CrossValidationStorageEntry; | |
import org.apache.myfaces.extensions.validator.internal.UsageInformation; | |
import org.apache.myfaces.extensions.validator.internal.UsageCategory; | |
import org.apache.myfaces.extensions.validator.core.property.PropertyDetails; | |
import org.apache.myfaces.extensions.validator.core.el.ValueBindingExpression; | |
import org.apache.myfaces.extensions.validator.core.property.PropertyInformationKeys; | |
import org.apache.myfaces.extensions.validator.util.CrossValidationUtils; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
import java.util.Map; | |
/** | |
* "[property_name]" ... local validation -> cross-component, but no cross-entity validation | |
* | |
* @author Gerhard Petracek | |
* @since 1.x.1 | |
*/ | |
@UsageInformation(UsageCategory.INTERNAL) | |
class LocalCompareStrategy implements ReferencingStrategy | |
{ | |
protected final Log logger = LogFactory.getLog(getClass()); | |
public boolean evaluateReferenceAndValidate( | |
CrossValidationStorageEntry crossValidationStorageEntry, | |
CrossValidationStorage crossValidationStorage, | |
String validationTarget, AbstractCompareStrategy compareStrategy) | |
{ | |
return tryToValidateLocally( | |
crossValidationStorageEntry, | |
crossValidationStorage, | |
validationTarget, | |
compareStrategy); | |
} | |
protected boolean tryToValidateLocally( | |
CrossValidationStorageEntry crossValidationStorageEntry, | |
CrossValidationStorage crossValidationStorage, | |
String targetKey, | |
AbstractCompareStrategy compareStrategy) | |
{ | |
Map<String, ProcessedInformationEntry> keyConvertedValueMapping = CrossValidationUtils | |
.getOrInitKeyToConvertedValueMapping(); | |
String newKey = createTargetKey(crossValidationStorageEntry, targetKey); | |
if (!keyConvertedValueMapping.containsKey(newKey)) | |
{ | |
return false; | |
} | |
PropertyDetails propertyDetails = crossValidationStorageEntry.getMetaDataEntry() | |
.getProperty(PropertyInformationKeys.PROPERTY_DETAILS, PropertyDetails.class); | |
String sourceKey = propertyDetails.getKey(); | |
if(!sourceKey.contains(".")) | |
{ | |
throw new IllegalStateException("source path: " + sourceKey + " invalid"); | |
} | |
targetKey = sourceKey.substring(0, sourceKey.lastIndexOf(".") + 1) + targetKey; | |
ProcessedInformationEntry validationTargetEntry = CrossValidationUtils.resolveValidationTargetEntry( | |
keyConvertedValueMapping, targetKey, crossValidationStorageEntry); | |
if (validationTargetEntry != null) | |
{ | |
CrossValidationHelper | |
.crossValidateCompareStrategy(compareStrategy, crossValidationStorageEntry, validationTargetEntry); | |
} | |
else | |
{ | |
if(logger.isWarnEnabled()) | |
{ | |
logger.warn("couldn't find converted object for " + propertyDetails.getKey()); | |
} | |
} | |
return true; | |
} | |
protected String createTargetKey(CrossValidationStorageEntry crossValidationStorageEntry, String targetKey) | |
{ | |
//no real value binding expression | |
//ValueBindingExpression just hepls to replace the property of the key | |
//here only dot-notation is allowed -> no problem | |
ValueBindingExpression baseExpression = | |
new ValueBindingExpression("#{" + crossValidationStorageEntry.getMetaDataEntry() | |
.getProperty(PropertyInformationKeys.PROPERTY_DETAILS, | |
PropertyDetails.class).getKey() + "}"); | |
String result = ValueBindingExpression.replaceOrAddProperty(baseExpression, targetKey) | |
.getExpressionString(); | |
return result.substring(2, result.length() -1); | |
} | |
} |