| 0,0 → 1,120 |
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| /* |
| * This file contains the GrammarErrorHandler class. |
| * |
| * Coded by: Group 5, software practice summer 2003 |
| * University of Bielefeld, Germany |
| * |
| * @version $Revision: 1.60 $ |
| * |
| * Last modification: $Date: 2003/07/25 14:56:04 $ |
| * $Id: Parser.java,v 1.60 2003/07/25 14:56:04 smcsporr Exp $ |
| */ |
| package src.parser; |
| |
| import org.apache.xerces.xni.parser.XMLErrorHandler; |
| import org.apache.xerces.xni.parser.XMLParseException; |
| |
| import src.gui.LogInterface; |
| |
| /** |
| * The <b><code>GrammarErrorHandler</code></b> class supplies an error handler for the |
| * an XML grammar preparser. |
| * An error handler retrieves and handles error events sent by a parser. These |
| * errors include warnings, errors and fatal errors. |
| * |
| * @author S. McSporran |
| * |
| * @version $Revision: 1.60 $ Last modification: $Date: 2003/07/25 14:56:04 $ |
| */ |
| public class GrammarErrorHandler implements XMLErrorHandler { |
| |
| /** A reference to a log panel implementation, used to output logging messages. */ |
| private LogInterface logInterfaceReference; |
| |
| /** Empty Constructor. */ |
| GrammarErrorHandler() { |
| } |
| |
| /** |
| * A method that catches parsing warnings and sends them to the log panel. |
| * Warnings indicate that something might be missing or incorrect in a grammar file, |
| * while no wellformedness rule has been broken. |
| * |
| * @param domain The domain of the warning, suggested to be a valid URI. |
| * @param key The warning key; can be any string and is implementation dependent. |
| * @param xpe A warning event sent by a parser. |
| * |
| * author S. McSporran |
| * |
| * Last revision: 25-Jul-2003 by S. McSporran |
| */ |
| public void warning(String domain, String key, XMLParseException xpe){ |
| log(LogInterface.TYPE_WARNING, "Grammar parsing warning: " + xpe.getMessage()); |
| } |
| |
| /** |
| * A method that catches parsing errors and sends them to the log panel. |
| * Errors occur during parsing, if a grammar rule has been broken, but |
| * the parser will be able to continue. |
| * |
| * @param domain The domain of the error, suggested to be a valid URI. |
| * @param key The error key; can be any string and is implementation dependent. |
| * @param xpe An error event sent by a parser. |
| * |
| * author S. McSporran |
| * |
| * Last revision: 25-Jul-2003 by S. McSporran |
| */ |
| public void error(String domain, String key, XMLParseException xpe) { |
| log(LogInterface.TYPE_ERROR, "Error ! Grammar parsing failure: " + xpe.getMessage()); |
| } |
| |
| /** |
| * A method that catches parsing fatal errors and sends them to the log panel. |
| * Fatal errors indicate that a grammar rule has been broken that makes continued |
| * parsing impossible. |
| * |
| * @param domain The domain of the fatal error, suggested to be a valid URI. |
| * @param key The fatal error key; can be any string and is implementation dependent. |
| * @param xpe A fatal error event sent by a parser. |
| * |
| * author S. McSporran |
| * |
| * Last revision: 25-Jul-2003 by S. McSporran |
| */ |
| public void fatalError(String domain, String key, XMLParseException xpe) { |
| log(LogInterface.TYPE_ERROR, "Fatal error ! Grammar parsing failure: " + |
| xpe.getMessage()); |
| } |
| |
| /** |
| * Sends a text message of a specified type (info, error, warning) to the |
| * registered log panel. |
| * A reference to an implementation of a log panel can be set with the |
| * <code>setLogInterface</code> method. |
| * |
| * @param i The type of the message as defined in src.gui.LogInterface. |
| * 0 or src.gui.LogInterface.TYPE_INFO -> info message (black) |
| * 1 or src.gui.LogInterface.TYPE_WARNING -> warning message (orange) |
| * 2 or src.gui.LogInterface.TYPE_ERROR -> error message (red) |
| * |
| * @param message The text message to display in the log panel. |
| */ |
| private void log(int i, String message) { |
| logInterfaceReference.log(i, message); |
| } |
| |
| /** |
| * This method sets an internal reference to the log panel that is used to |
| * output logging messages to inform the user about program events. |
| * |
| * @param log A log panel implementation compliant to src.gui.LogInterface. |
| * |
| * author S. McSporran |
| * |
| * Last Revision: 11-Jul-2003 |
| */ |
| public void setLogInterface(LogInterface logInt) { |
| logInterfaceReference = logInt; |
| } |
| } |
| Property changes: |
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| Added: svn:keywords |
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| +LastChangedDate LastChangedRevision LastChangedBy HeadURL Id |
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