/*
* 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
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.graphbuilder.curve;
import com.graphbuilder.math.*;
/**
<p>Exception thrown if the parsing of a control-string fails. A ControlStringParseException
contains a description, and may contain any of the following information:
<ul>
<li>An index or index range of the substring that caused the problem.</li>
<li>An ExpressionParseException that was thrown by the ExpressionTree.parse(String) method.</li>
</ul>
<p>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;
}
}