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The Adobe Experience Manager SDK
/*
*******************************************************************************
* Copyright (C) 2003-2008, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
/*
* File: StringPrepParseException.java
* ************************************************************************
*
* ADOBE CONFIDENTIAL
* ___________________
*
* Copyright 2012 Adobe Systems Incorporated
* All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains
* the property of Adobe Systems Incorporated and its suppliers,
* if any. The intellectual and technical concepts contained
* herein are proprietary to Adobe Systems Incorporated and its
* suppliers and are protected by trade secret or copyright law.
* Dissemination of this information or reproduction of this material
* is strictly forbidden unless prior written permission is obtained
* from Adobe Systems Incorporated.
**************************************************************************/
package com.adobe.agl.text;
import java.text.ParseException;
/**
* Exception that signals an error has occurred while parsing the
* input to StringPrep or IDNA.
*
* @author Ram Viswanadha
* @stable ICU 2.8
*/
public class StringPrepParseException extends ParseException {
// Generated by serialver from JDK 1.4.1_01
static final long serialVersionUID = 7160264827701651255L;
/**
* @stable ICU 2.8
*/
public static final int INVALID_CHAR_FOUND = 0;
/**
* @stable ICU 2.8
*/
public static final int ILLEGAL_CHAR_FOUND = 1;
/**
* @stable ICU 2.8
*/
public static final int PROHIBITED_ERROR = 2;
/**
* @stable ICU 2.8
*/
public static final int UNASSIGNED_ERROR = 3;
/**
* @stable ICU 2.8
*/
public static final int CHECK_BIDI_ERROR = 4;
/**
* @stable ICU 2.8
*/
public static final int STD3_ASCII_RULES_ERROR = 5;
/**
* @stable ICU 2.8
*/
public static final int ACE_PREFIX_ERROR = 6;
/**
* @stable ICU 2.8
*/
public static final int VERIFICATION_ERROR = 7;
/**
* @stable ICU 2.8
*/
public static final int LABEL_TOO_LONG_ERROR = 8;
/**
* @stable ICU 2.8
*/
public static final int BUFFER_OVERFLOW_ERROR = 9;
/**
* @stable ICU 2.8
*/
public static final int ZERO_LENGTH_LABEL = 10;
/**
* @stable ICU 3.8
*/
public static final int DOMAIN_NAME_TOO_LONG_ERROR = 11;
/**
* Construct a ParseException object with the given message
* and error code
*
* @param message A string describing the type of error that occurred
* @param error The error that has occurred
* @stable ICU 2.8
*/
public StringPrepParseException(String message,int error){
super(message, -1);
this.error = error;
this.line = 0;
}
/**
* Construct a ParseException object with the given message and
* error code
*
* @param message A string describing the type of error that occurred
* @param error The error that has occurred
* @param rules The input rules string
* @param pos The position of error in the rules string
* @stable ICU 2.8
*/
public StringPrepParseException(String message,int error, String rules, int pos){
super(message, -1);
this.error = error;
setContext(rules,pos);
this.line = 0;
}
/**
* Construct a ParseException object with the given message and error code
*
* @param message A string describing the type of error that occurred
* @param error The error that has occurred
* @param rules The input rules string
* @param pos The position of error in the rules string
* @param lineNumber The line number at which the error has occurred.
* If the parse engine is not using this field, it should set it to zero. Otherwise
* it should be a positive integer. The default value of this field
* is -1. It will be set to 0 if the code populating this struct is not
* using line numbers.
* @stable ICU 2.8
*/
public StringPrepParseException(String message, int error, String rules, int pos, int lineNumber){
super(message, -1);
this.error = error;
setContext(rules,pos);
this.line = lineNumber;
}
/**
* Compare this ParseException to another and evaluate if they are equal.
* The comparison works only on the type of error and does not compare
* the rules strings, if any, for equality.
*
* @param other The exception that this object should be compared to
* @return true if the objects are equal, false if unequal
* @stable ICU 2.8
*/
public boolean equals(Object other){
if(!(other instanceof StringPrepParseException)){
return false;
}
return ((StringPrepParseException)other).error == this.error;
}
/**
* Returns the position of error in the rules string
*
* @return String
* @stable ICU 2.8
*/
public String toString(){
StringBuffer buf = new StringBuffer();
buf.append(super.getMessage());
buf.append(". line: ");
buf.append(line);
buf.append(". preContext: ");
buf.append(preContext);
buf.append(". postContext: ");
buf.append(postContext);
buf.append("\n");
return buf.toString();
}
private int error;
/**
* The line on which the error occured. If the parse engine
* is not using this field, it should set it to zero. Otherwise
* it should be a positive integer. The default value of this field
* is -1. It will be set to 0 if the code populating this struct is not
* using line numbers.
* @stable ICU 2.8
*/
private int line;
/**
* Textual context before the error. Null-terminated.
* May be the empty string if not implemented by parser.
* @stable ICU 2.8
*/
private StringBuffer preContext = new StringBuffer();
/**
* Textual context after the error. Null-terminated.
* May be the empty string if not implemented by parser.
* @stable ICU 2.8
*/
private StringBuffer postContext = new StringBuffer();
private static final int PARSE_CONTEXT_LEN = 16;
private void setPreContext(String str, int pos){
setPreContext(str.toCharArray(),pos);
}
private void setPreContext(char[] str, int pos){
int start = (pos <= PARSE_CONTEXT_LEN)? 0 : (pos - (PARSE_CONTEXT_LEN-1));
int len = (start <= PARSE_CONTEXT_LEN)? start : PARSE_CONTEXT_LEN;
preContext.append(str,start,len);
}
private void setPostContext(String str, int pos){
setPostContext(str.toCharArray(),pos);
}
private void setPostContext(char[] str, int pos){
int start = pos;
int len = str.length - start;
postContext.append(str,start,len);
}
private void setContext(String str,int pos){
setPreContext(str,pos);
setPostContext(str,pos);
}
/**
* Returns the error code of this exception.
* This method is only used for testing to verify the error.
* @return The error code
* @stable ICU 3.8
*/
public int getError(){
return error;
}
}
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