/* | |
* 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.validation.strategy; | |
import org.apache.myfaces.extensions.validator.core.metadata.MetaDataEntry; | |
import org.apache.myfaces.extensions.validator.internal.UsageCategory; | |
import org.apache.myfaces.extensions.validator.internal.UsageInformation; | |
import org.apache.myfaces.extensions.validator.util.ExtValUtils; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
import javax.faces.component.UIComponent; | |
import javax.faces.context.FacesContext; | |
import javax.faces.validator.ValidatorException; | |
/** | |
* Provides the ability to use ValidatorException (as expected by the user) instead of ConverterException. | |
* Furthermore it provides:<br/> | |
* initValidation<br/> | |
* processAfterValidatorException | |
* | |
* @author Gerhard Petracek | |
* @since 1.x.1 | |
*/ | |
@UsageInformation({UsageCategory.INTERNAL, UsageCategory.REUSE}) | |
public abstract class AbstractValidationStrategy implements ValidationStrategy | |
{ | |
protected final Log logger = LogFactory.getLog(getClass()); | |
protected AbstractValidationStrategy() | |
{ | |
if(logger.isDebugEnabled()) | |
{ | |
logger.debug(getClass().getName() + " instantiated"); | |
} | |
} | |
public void validate(FacesContext facesContext, UIComponent uiComponent, | |
MetaDataEntry metaDataEntry, Object convertedObject) | |
{ | |
if(logger.isTraceEnabled()) | |
{ | |
logger.trace("start initValidation of " + getClass().getName()); | |
} | |
initValidation(facesContext, uiComponent, metaDataEntry, convertedObject); | |
if(logger.isTraceEnabled()) | |
{ | |
logger.trace("initValidation of " + getClass().getName() + " finished"); | |
} | |
try | |
{ | |
if(logger.isTraceEnabled()) | |
{ | |
logger.trace("start processValidation of " + getClass().getName()); | |
} | |
processValidation(facesContext, uiComponent, metaDataEntry, convertedObject); | |
if(logger.isTraceEnabled()) | |
{ | |
logger.trace("processValidation of " + getClass().getName() + " finished"); | |
} | |
} | |
catch (ValidatorException e) | |
{ | |
if(logger.isTraceEnabled()) | |
{ | |
logger.trace("start processAfterValidatorException of " + getClass().getName()); | |
} | |
ValidatorException validatorException = new ValidatorException( | |
ExtValUtils.convertFacesMessage(e.getFacesMessage()), e.getCause()); | |
if (processAfterValidatorException( | |
facesContext, uiComponent, metaDataEntry, convertedObject, validatorException)) | |
{ | |
if(logger.isTraceEnabled()) | |
{ | |
logger.trace(getClass().getName() + | |
": throw original exception after processAfterValidatorException"); | |
} | |
throw validatorException; | |
} | |
if(logger.isTraceEnabled()) | |
{ | |
logger.trace(getClass().getName() + | |
": original exception after processAfterValidatorException not thrown"); | |
} | |
} | |
} | |
protected void initValidation(FacesContext facesContext, | |
UIComponent uiComponent, | |
MetaDataEntry metaDataEntry, | |
Object convertedObject) | |
{ | |
//override if needed | |
} | |
//override if needed | |
protected boolean processAfterValidatorException(FacesContext facesContext, | |
UIComponent uiComponent, | |
MetaDataEntry metaDataEntry, | |
Object convertedObject, | |
ValidatorException validatorException) | |
{ | |
return ExtValUtils.executeAfterThrowingInterceptors( | |
uiComponent, metaDataEntry, convertedObject, validatorException, this); | |
} | |
protected abstract void processValidation(FacesContext facesContext, | |
UIComponent uiComponent, MetaDataEntry metaDataEntry, | |
Object convertedObject) throws ValidatorException; | |
} |