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/************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * Copyright 2008, 2010 Oracle and/or its affiliates. All rights reserved.
 * 
 * Use is subject to license terms.
 * 
 * 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. You can also
 * obtain a copy of the License at http://odftoolkit.org/docs/license.txt
 * 
 * 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.odftoolkit.odfdom.pkg;

import org.xml.sax.SAXParseException;

/** This ODF specific validation excpetion faciliates the usage of a SAXParseException for none XML validation, used by an  ErrorHandler. */
public class OdfValidationException extends SAXParseException {

	private ValidationConstraint mConstraint;
	private static final String NO_SOURCE = "";
	private static final String SOURCE_PREFIX = " '";
	private static final String SOURCE_SUFFIX = "'";

	/**
	 * An OdfValidationException should be used for any validation result related to an ODF package.
	 * This constructor should only be used for SaxParseExceptions unrelated to XML.
	 * This constructor sets the public and system ID for XML and line and column number of the super class will be set to be invalid.
	@param constraint the predefined constaint message */
	public OdfValidationException(ValidationConstraint constraint) {
		// The constraint convention is the first parameter to be the sourcePath of the ODF document/package causing the exception
		super(String.format(constraint.getMessage(), NO_SOURCE), null, null, -1, -1);
		mConstraint = constraint;
	}

	/**
	 * An OdfValidationException should be used for any validation result related to an ODF package.
	 * This constructor should only be used for SaxParseExceptions unrelated to XML.
	 * This constructor sets the public and system ID for XML and line and column number of the super class will be set to be invalid.
	@param constraint the predefined constaint message
	@param sourcePath the source path of the exception. For instance, it might be an ODF package or ODF document.
	@param messageParameters allow the customization of a constraint message with parameters.*/
	public OdfValidationException(ValidationConstraint constraint, String sourcePath, Object... messageParameters) {
		// The constraint convention is the first parameter to be the sourcePath of the ODF document/package causing the exception
		super(formatMessage(constraint, sourcePath, messageParameters), null, null, -1, -1);
		mConstraint = constraint;
	}

	/**
	 * An OdfValidationException should be used for any validation result related to an ODF package.
	 * This constructor should only be used for SaxParseExceptions unrelated to XML.
	 * This constructor sets the public and system ID for XML and line and column number of the super class will be set to be invalid.
	 * @param e root exception to be embeddded
	 * @param constraint the predefined constaint message
	 * @param sourcePath the source path of the exception. For instance, it might be an ODF package or ODF document.
	 * @param messageParameters allow the customization of a constraint message with parameters.*/
	public OdfValidationException(ValidationConstraint constraint, String sourcePath, Exception e, Object... messageParameters) {
		// The constraint convention is the first parameter to be the sourcePath of the ODF document/package causing the exception
		super(formatMessage(constraint, sourcePath, messageParameters), null, null, -1, -1, e);
		mConstraint = constraint;
	}

	/** @return constraint belonging to this exception */
	public ValidationConstraint getConstraint() {
		return mConstraint;
	}

	private static String formatMessage(ValidationConstraint constraint, String sourcePath, Object... messageParameters) {
		String formattedString = NO_SOURCE;
		int varCount = 0;
		if (messageParameters != null) {
			varCount = messageParameters.length;
		}
		switch (varCount) {
			case 0:
				formattedString = String.format(constraint.getMessage(), sourcePath == null || sourcePath.equals(NO_SOURCE) ? NO_SOURCE : SOURCE_PREFIX + sourcePath + SOURCE_SUFFIX);
				break;
			case 1:
				formattedString = String.format(constraint.getMessage(), sourcePath == null || sourcePath.equals(NO_SOURCE) ? NO_SOURCE : SOURCE_PREFIX + sourcePath + SOURCE_SUFFIX, messageParameters[0]);
				break;
			case 2:
				formattedString = String.format(constraint.getMessage(), sourcePath == null || sourcePath.equals(NO_SOURCE) ? NO_SOURCE : SOURCE_PREFIX + sourcePath + SOURCE_SUFFIX, messageParameters[0], messageParameters[1]);
				break;
			case 3:
				formattedString = String.format(constraint.getMessage(), sourcePath == null || sourcePath.equals(NO_SOURCE) ? NO_SOURCE : SOURCE_PREFIX + sourcePath + SOURCE_SUFFIX, messageParameters[0], messageParameters[1], messageParameters[2]);
				break;
			case 4:
				formattedString = String.format(constraint.getMessage(), sourcePath == null || sourcePath.equals(NO_SOURCE) ? NO_SOURCE : SOURCE_PREFIX + sourcePath + SOURCE_SUFFIX, messageParameters[0], messageParameters[1], messageParameters[2], messageParameters[3]);
				break;
			case 5:
				formattedString = String.format(constraint.getMessage(), sourcePath == null || sourcePath.equals(NO_SOURCE) ? NO_SOURCE : SOURCE_PREFIX + sourcePath + SOURCE_SUFFIX, messageParameters[0], messageParameters[1], messageParameters[2], messageParameters[3], messageParameters[4]);
				break;
		}
		return formattedString;

	}
}