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/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* -------------------
* ParseException.java
* -------------------
* (C)opyright 2003-2005, by Thomas Morgner and Contributors.
*
* Original Author: Thomas Morgner;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: ParseException.java,v 1.4 2005/10/18 13:25:44 mungady Exp $
*
* Changes
* -------------------------
* 10.06.2003 : Initial version
*
*/
package org.jfree.xml;
import java.io.PrintStream;
import java.io.PrintWriter;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
/**
* A parse exception.
*
* @author Thomas Morgner
*/
public class ParseException extends SAXException {
/** The line, where the error occured. */
private int line;
/** The column, where the error occured. */
private int column;
/**
* Creates a new ParseException with the given message.
*
* @param message the message
*/
public ParseException(final String message) {
super(message);
fillLocation(null);
}
/**
* Creates a new ParseException with the given root exception.
*
* @param e the exception
*/
public ParseException(final Exception e) {
super(e);
fillLocation(null);
}
/**
* Creates a new ParseException with the given message and root exception.
*
* @param s the message
* @param e the exception
*/
public ParseException(final String s, final Exception e) {
super(s, e);
fillLocation(null);
}
/**
* Creates a new ParseException with the given message and the locator.
*
* @param message the message
* @param locator the locator of the parser
*/
public ParseException(final String message, final Locator locator) {
super(message);
fillLocation(locator);
}
/**
* Creates a new ParseException with the given root exception
* and the locator.
*
* @param e the exception
* @param locator the locator of the parser
*/
public ParseException(final Exception e, final Locator locator) {
super(e);
fillLocation(locator);
}
/**
* Creates a new ParseException with the given message, root exception
* and the locator.
*
* @param s the message
* @param e the exception
* @param locator the locator of the parser
*/
public ParseException(final String s, final Exception e, final Locator locator) {
super(s, e);
fillLocation(locator);
}
/**
* Modifies the message to give more detailed location information.
*
* @return the modified exception message.
*/
public String getMessage() {
final StringBuffer message = new StringBuffer(String.valueOf(super.getMessage()));
message.append(" [Location: Line=");
message.append(this.line);
message.append(" Column=");
message.append(this.column);
message.append("] ");
return message.toString();
}
/**
* Fills the location with the given locator.
*
* @param locator the locator or null.
*/
protected void fillLocation (final Locator locator) {
if (locator == null) {
this.line = -1;
this.column = -1;
}
else {
this.line = locator.getLineNumber();
this.column = locator.getColumnNumber();
}
}
/**
* Returns the line of the parse position where the error occured.
*
* @return the line number or -1 if not known.
*/
public int getLine() {
return this.line;
}
/**
* Returns the column of the parse position where the error occured.
*
* @return the column number or -1 if not known.
*/
public int getColumn() {
return this.column;
}
/**
* Prints the stack trace to the specified stream.
*
* @param stream the output stream.
*/
public void printStackTrace(final PrintStream stream) {
super.printStackTrace(stream);
if (getException() != null) {
stream.println("ParentException: ");
getException().printStackTrace(stream);
}
}
/**
* Override toString to pick up any embedded exception.
*
* @return A string representation of this exception.
*/
public String toString() {
return getClass().getName() + ": " + getMessage();
}
/**
* Prints the stack trace to the specified writer.
*
* @param writer the writer.
*/
public void printStackTrace(final PrintWriter writer) {
super.printStackTrace(writer);
if (getException() != null) {
writer.println("ParentException: ");
getException().printStackTrace(writer);
}
}
}
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