/*
 * Copyright 2009-2011 the original author or authors.
 *
 * 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.jdal.ui.bind;

import java.io.Serializable;

import org.springframework.beans.PropertyAccessException;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.validation.DefaultBindingErrorProcessor;

/**
 * Add a a Error holding the control that has failed.
 * 
 * @author Jose Luis Martin.
 * @since 1.1
 */
public class ControlBindingErrorProcessor extends DefaultBindingErrorProcessor 
	implements Serializable {

	/** 
	 * Add a ControlError instead FieldError to hold component that has failed.
	 * @param control
	 * @param ex
	 * @param bindingResult
	 */
	public void processPropertyAccessException(Object control, PropertyAccessException ex, 
			BindingResult bindingResult ) {
		// Create field error with the exceptions's code, e.g. "typeMismatch".
		String field = ex.getPropertyName();
		String[] codes = bindingResult.resolveMessageCodes(ex.getErrorCode(), field);
		Object[] arguments = getArgumentsForBindError(bindingResult.getObjectName(), field);
		Object rejectedValue = ex.getValue();
		if (rejectedValue != null && rejectedValue.getClass().isArray()) {
			rejectedValue = StringUtils.arrayToCommaDelimitedString(ObjectUtils.toObjectArray(rejectedValue));
		}
		bindingResult.addError(new ControlError(control,
				bindingResult.getObjectName(), field, rejectedValue, true,
				codes, arguments, ex.getLocalizedMessage()));
	}
}