com.graphbuilder.curve.ControlStringParseException Maven / Gradle / Ivy
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/*
* Copyright (c) 2005, Graph Builder
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of Graph Builder nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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*/
package com.graphbuilder.curve;
import com.graphbuilder.math.*;
/**
Exception thrown if the parsing of a control-string fails. A ControlStringParseException
contains a description, and may contain any of the following information:
- An index or index range of the substring that caused the problem.
- An ExpressionParseException that was thrown by the ExpressionTree.parse(String) method.
Otherwise the index values will be -1 if they are unassigned and the ExpressionParseException
will be null.
@see GroupIterator
*/
public class ControlStringParseException extends RuntimeException {
private String descrip = null;
private int fromIndex = -1;
private int toIndex = -1;
private ExpressionParseException epe = null;
/**
Constructor with only a description.
*/
public ControlStringParseException(String descrip) {
this.descrip = descrip;
}
/**
Constructor with a description and index value. The index value is assigned to both the
fromIndex and the toIndex.
*/
public ControlStringParseException(String descrip, int index) {
this.descrip = descrip;
fromIndex = index;
toIndex = index;
}
/**
Constructor with a description and index range.
*/
public ControlStringParseException(String descrip, int fromIndex, int toIndex) {
this.descrip = descrip;
this.fromIndex = fromIndex;
this.toIndex = toIndex;
}
/**
Constructor with a description, index range and ExpressionParseException.
*/
public ControlStringParseException(String descrip, int fromIndex, int toIndex, ExpressionParseException epe) {
this.descrip = descrip;
this.fromIndex = fromIndex;
this.toIndex = toIndex;
this.epe = epe;
}
/**
Returns the index location in the control-string that marks the start of the problem or -1 if
not available.
*/
public int getFromIndex() {
return fromIndex;
}
/**
Returns the index location in the control-string that marks the end of the problem or -1 if not
available.
*/
public int getToIndex() {
return toIndex;
}
/**
Returns the description of the problem.
*/
public String getDescription() {
return descrip;
}
/**
Returns an ExpressionParseException if an expression in the control-string could not be
parsed correctly or null if this was not the problem.
*/
public ExpressionParseException getExpressionParseException() {
return epe;
}
/**
Returns a nicely formatted string of this exception.
*/
public String toString() {
String e = "";
if (epe != null)
e = "\n" + epe.toString();
if (fromIndex == -1 && toIndex == -1)
return descrip + e;
if (fromIndex == toIndex)
return descrip + " : [" + toIndex + "]" + e;
return descrip + " : [" + fromIndex + ", " + toIndex + "]" + e;
}
}