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/*
* Copyright (c) 1999 World Wide Web Consortium
* (Massachusetts Institute of Technology, Institut National de Recherche
* en Informatique et en Automatique, Keio University).
* All Rights Reserved. http://www.w3.org/Consortium/Legal/
*
* The original version of this interface comes from SAX :
* http://www.megginson.com/SAX/
*
* $Id: CSSException.java,v 1.3 2002/06/17 14:09:36 plehegar Exp $
*/
package org.w3c.css.sac;
/**
* @version $Revision: 1.3 $
* @author Philippe Le Hegaret
*/
public class CSSException extends RuntimeException {
protected String s;
/**
* this error is unspecified.
*/
public static final short SAC_UNSPECIFIED_ERR = 0;
/**
* If the operation is not supported
*/
public static final short SAC_NOT_SUPPORTED_ERR = 1;
/**
* If an invalid or illegal string is specified
*/
public static final short SAC_SYNTAX_ERR = 2;
/*
* Default message for unspecified error.
*/
protected static final String S_SAC_UNSPECIFIED_ERR
= "unknown error";
/*
* Default message for not supported error.
*/
protected static final String S_SAC_NOT_SUPPORTED_ERR
= "not supported";
/*
* Default message for syntax error.
*/
protected static final String S_SAC_SYNTAX_ERR
= "syntax error";
/**
* The internal exception.
*/
protected Exception e;
protected short code;
/**
* Creates a new CSSException
*/
public CSSException() {
}
/**
* Creates a new CSSException
*/
public CSSException(String s) {
this.code = SAC_UNSPECIFIED_ERR;
this.s = s;
}
/**
* Creates a new CSSException with an embeded exception.
* @param a the embeded exception.
*/
public CSSException(Exception e) {
this.code = SAC_UNSPECIFIED_ERR;
this.e = e;
}
/**
* Creates a new CSSException with a specific code.
* @param a the embeded exception.
*/
public CSSException(short code) {
this.code = code;
}
/**
* Creates a new CSSException with an embeded exception and a specified
* message.
* @param code the specified code.
* @param e the embeded exception.
*/
public CSSException(short code, String s, Exception e) {
this.code = code;
this.s = s;
this.e = e;
}
/**
* Returns the detail message of this throwable object.
*
* @return the detail message of this Throwable, or null if this Throwable
* does not have a detail message.
*/
public String getMessage() {
if (s != null) {
return s;
} else if (e != null) {
return e.getMessage();
} else {
switch (code) {
case SAC_UNSPECIFIED_ERR:
return S_SAC_UNSPECIFIED_ERR;
case SAC_NOT_SUPPORTED_ERR:
return S_SAC_NOT_SUPPORTED_ERR;
case SAC_SYNTAX_ERR:
return S_SAC_SYNTAX_ERR;
default:
return null;
}
}
}
/**
* returns the error code for this exception.
*/
public short getCode() {
return code;
}
/**
* Returns the internal exception if any, null otherwise.
*/
public Exception getException() {
return e;
}
}
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