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-/* PatternSyntaxException - Indicates illegal pattern for regular expression.
- Copyright (C) 2002 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-package java.util.regex;
-
-/**
- * Indicates illegal pattern for regular expression.
- * Includes state to inspect the pattern and what and where the expression
- * was not valid regular expression.
- */
-public class PatternSyntaxException extends IllegalArgumentException
-{
- private static final long serialVersionUID = -3864639126226059218L;
-
- /**
- * Human readable escription of the syntax error.
- */
- private final String desc;
-
- /**
- * The original pattern that contained the syntax error.
- */
- private final String pattern;
-
- /**
- * Index of the first character in the String that was probably invalid,
- * or -1 when unknown.
- */
- private final int index;
-
- /**
- * Creates a new PatternSyntaxException.
- *
- * @param description Human readable escription of the syntax error.
- * @param pattern The original pattern that contained the syntax error.
- * @param index Index of the first character in the String that was
- * probably invalid, or -1 when unknown.
- */
- public PatternSyntaxException(String description,
- String pattern,
- int index)
- {
- super(description);
- this.desc = description;
- this.pattern = pattern;
- this.index = index;
- }
-
- /**
- * Returns a human readable escription of the syntax error.
- */
- public String getDescription()
- {
- return desc;
- }
-
- /**
- * Returns the original pattern that contained the syntax error.
- */
- public String getPattern()
- {
- return pattern;
- }
-
- /**
- * Returns the index of the first character in the String that was probably
- * invalid, or -1 when unknown.
- */
- public int getIndex()
- {
- return index;
- }
-
- /**
- * Returns a string containing a line with the description, a line with
- * the original pattern and a line indicating with a ^ which character is
- * probably the first invalid character in the pattern if the index is not
- * negative.
- */
- public String getMessage()
- {
- String lineSep = System.getProperty("line.separator");
- StringBuffer sb = new StringBuffer(desc);
- sb.append(lineSep);
- sb.append('\t');
- sb.append(pattern);
- if (index != -1)
- {
- sb.append(lineSep);
- sb.append('\t');
- for (int i=0; i<index; i++)
- sb.append(' ');
- sb.append('^');
- }
- return sb.toString();
- }
-
-}
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