1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/rt/emul/compact/src/main/java/java/util/regex/PatternSyntaxException.java Mon Oct 07 16:13:27 2013 +0200
1.3 @@ -0,0 +1,124 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package java.util.regex;
1.30 +
1.31 +import sun.security.action.GetPropertyAction;
1.32 +
1.33 +
1.34 +/**
1.35 + * Unchecked exception thrown to indicate a syntax error in a
1.36 + * regular-expression pattern.
1.37 + *
1.38 + * @author unascribed
1.39 + * @since 1.4
1.40 + * @spec JSR-51
1.41 + */
1.42 +
1.43 +public class PatternSyntaxException
1.44 + extends IllegalArgumentException
1.45 +{
1.46 + private static final long serialVersionUID = -3864639126226059218L;
1.47 +
1.48 + private final String desc;
1.49 + private final String pattern;
1.50 + private final int index;
1.51 +
1.52 + /**
1.53 + * Constructs a new instance of this class.
1.54 + *
1.55 + * @param desc
1.56 + * A description of the error
1.57 + *
1.58 + * @param regex
1.59 + * The erroneous pattern
1.60 + *
1.61 + * @param index
1.62 + * The approximate index in the pattern of the error,
1.63 + * or <tt>-1</tt> if the index is not known
1.64 + */
1.65 + public PatternSyntaxException(String desc, String regex, int index) {
1.66 + this.desc = desc;
1.67 + this.pattern = regex;
1.68 + this.index = index;
1.69 + }
1.70 +
1.71 + /**
1.72 + * Retrieves the error index.
1.73 + *
1.74 + * @return The approximate index in the pattern of the error,
1.75 + * or <tt>-1</tt> if the index is not known
1.76 + */
1.77 + public int getIndex() {
1.78 + return index;
1.79 + }
1.80 +
1.81 + /**
1.82 + * Retrieves the description of the error.
1.83 + *
1.84 + * @return The description of the error
1.85 + */
1.86 + public String getDescription() {
1.87 + return desc;
1.88 + }
1.89 +
1.90 + /**
1.91 + * Retrieves the erroneous regular-expression pattern.
1.92 + *
1.93 + * @return The erroneous pattern
1.94 + */
1.95 + public String getPattern() {
1.96 + return pattern;
1.97 + }
1.98 +
1.99 + private static final String nl =
1.100 + java.security.AccessController
1.101 + .doPrivileged(new GetPropertyAction("line.separator"));
1.102 +
1.103 + /**
1.104 + * Returns a multi-line string containing the description of the syntax
1.105 + * error and its index, the erroneous regular-expression pattern, and a
1.106 + * visual indication of the error index within the pattern.
1.107 + *
1.108 + * @return The full detail message
1.109 + */
1.110 + public String getMessage() {
1.111 + StringBuffer sb = new StringBuffer();
1.112 + sb.append(desc);
1.113 + if (index >= 0) {
1.114 + sb.append(" near index ");
1.115 + sb.append(index);
1.116 + }
1.117 + sb.append(nl);
1.118 + sb.append(pattern);
1.119 + if (index >= 0) {
1.120 + sb.append(nl);
1.121 + for (int i = 0; i < index; i++) sb.append(' ');
1.122 + sb.append('^');
1.123 + }
1.124 + return sb.toString();
1.125 + }
1.126 +
1.127 +}