/*
* Copyright 2008 biaoping.yin
*
* Licensed 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.frameworkset.spi.support.bind;
import org.frameworkset.spi.support.DefaultMessageSourceResolvable;
import org.frameworkset.spi.support.validate.BindingResult;
import org.frameworkset.spi.support.validate.Errors;
import org.frameworkset.spi.support.validate.FieldError;
import org.frameworkset.util.beans.PropertyAccessException;
/**
* <p>Title: DefaultBindingErrorProcessor.java</p>
* <p>Description: </p>
* <p>bboss workgroup</p>
* <p>Copyright (c) 2007</p>
* @Date 2010-10-15 下午04:02:34
* @author biaoping.yin
* @version 1.0
*/
public class DefaultBindingErrorProcessor implements BindingErrorProcessor {
/**
* Error code that a missing field error (i.e. a required field not
* found in the list of property values) will be registered with:
* "required".
*/
public static final String MISSING_FIELD_ERROR_CODE = "required";
public void processMissingFieldError(String missingField, BindingResult bindingResult) {
// Create field error with code "required".
String fixedField = bindingResult.getNestedPath() + missingField;
String[] codes = bindingResult.resolveMessageCodes(MISSING_FIELD_ERROR_CODE, missingField,null);
Object[] arguments = getArgumentsForBindError(bindingResult.getObjectName(), fixedField);
bindingResult.addError(new FieldError(
bindingResult.getObjectName(), fixedField, "", null,true,
codes, arguments, "Field '" + fixedField + "' is required"));
}
public void processPropertyAccessException(PropertyAccessException ex, BindingResult bindingResult) {
// Create field error with the exceptions's code, e.g. "typeMismatch".
String field = ex.getPropertyChangeEvent().getPropertyName();
Object value = ex.getPropertyChangeEvent().getNewValue();
String[] codes = bindingResult.resolveMessageCodes(ex.getErrorCode(), field,null);
Object[] arguments = getArgumentsForBindError(bindingResult.getObjectName(), field);
bindingResult.addError(new FieldError(
bindingResult.getObjectName(), field, value, null,true,
codes, arguments, ex.getLocalizedMessage()));
}
/**
* Return FieldError arguments for a binding error on the given field.
* Invoked for each missing required fields and each type mismatch.
* <p>Default implementation returns a DefaultMessageSourceResolvable
* with "objectName.field" and "field" as codes.
* @param field the field that caused the binding error
* @return the Object array that represents the FieldError arguments
*/
protected Object[] getArgumentsForBindError(String objectName, String field) {
String[] codes = new String[] {objectName + Errors.NESTED_PATH_SEPARATOR + field, field};
String defaultMessage = field;
return new Object[] {new DefaultMessageSourceResolvable(codes, defaultMessage)};
}
}