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| 1 | /* | ||
| 2 | * Copyright (c) 1995, 2000, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.misc; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * MessageUtils: miscellaneous utilities for handling error and status | ||
| 30 | * properties and messages. | ||
| 31 | * | ||
| 32 | * @author Herb Jellinek | ||
| 33 | */ | ||
| 34 | |||
| 35 | public class MessageUtils { | ||
| 36 | // can instantiate it for to allow less verbose use - via instance | ||
| 37 | // instead of classname | ||
| 38 | |||
| 39 | public MessageUtils() { } | ||
| 40 | |||
| 41 | public static String subst(String patt, String arg) { | ||
| 42 | String args[] = { arg }; | ||
| 43 | return subst(patt, args); | ||
| 44 | } | ||
| 45 | |||
| 46 | public static String subst(String patt, String arg1, String arg2) { | ||
| 47 | String args[] = { arg1, arg2 }; | ||
| 48 | return subst(patt, args); | ||
| 49 | } | ||
| 50 | |||
| 51 | public static String subst(String patt, String arg1, String arg2, | ||
| 52 | String arg3) { | ||
| 53 | String args[] = { arg1, arg2, arg3 }; | ||
| 54 | return subst(patt, args); | ||
| 55 | } | ||
| 56 | |||
| 57 | public static String subst(String patt, String args[]) { | ||
| 58 | StringBuffer result = new StringBuffer(); | ||
| 59 | int len = patt.length(); | ||
| 60 | for (int i = 0; i >= 0 && i < len; i++) { | ||
| 61 | char ch = patt.charAt(i); | ||
| 62 | if (ch == '%') { | ||
| 63 | if (i != len) { | ||
| 64 | int index = Character.digit(patt.charAt(i + 1), 10); | ||
| 65 | if (index == -1) { | ||
| 66 | result.append(patt.charAt(i + 1)); | ||
| 67 | i++; | ||
| 68 | } else if (index < args.length) { | ||
| 69 | result.append(args[index]); | ||
| 70 | i++; | ||
| 71 | } | ||
| 72 | } | ||
| 73 | } else { | ||
| 74 | result.append(ch); | ||
| 75 | } | ||
| 76 | } | ||
| 77 | return result.toString(); | ||
| 78 | } | ||
| 79 | |||
| 80 | public static String substProp(String propName, String arg) { | ||
| 81 | return subst(System.getProperty(propName), arg); | ||
| 82 | } | ||
| 83 | |||
| 84 | public static String substProp(String propName, String arg1, String arg2) { | ||
| 85 | return subst(System.getProperty(propName), arg1, arg2); | ||
| 86 | } | ||
| 87 | |||
| 88 | public static String substProp(String propName, String arg1, String arg2, | ||
| 89 | String arg3) { | ||
| 90 | return subst(System.getProperty(propName), arg1, arg2, arg3); | ||
| 91 | } | ||
| 92 | |||
| 93 | /** | ||
| 94 | * Print a message directly to stderr, bypassing all the | ||
| 95 | * character conversion methods. | ||
| 96 | * @param msg message to print | ||
| 97 | */ | ||
| 98 | public static native void toStderr(String msg); | ||
| 99 | |||
| 100 | /** | ||
| 101 | * Print a message directly to stdout, bypassing all the | ||
| 102 | * character conversion methods. | ||
| 103 | * @param msg message to print | ||
| 104 | */ | ||
| 105 | public static native void toStdout(String msg); | ||
| 106 | |||
| 107 | |||
| 108 | // Short forms of the above | ||
| 109 | |||
| 110 | public static void err(String s) { | ||
| 111 | toStderr(s + "\n"); | ||
| 112 | } | ||
| 113 | |||
| 114 | public static void out(String s) { | ||
| 115 | toStdout(s + "\n"); | ||
| 116 | } | ||
| 117 | |||
| 118 | // Print a stack trace to stderr | ||
| 119 | // | ||
| 120 | public static void where() { | ||
| 121 | Throwable t = new Throwable(); | ||
| 122 | StackTraceElement[] es = t.getStackTrace(); | ||
| 123 | for (int i = 1; i < es.length; i++) | ||
| 124 | toStderr("\t" + es[i].toString() + "\n"); | ||
| 125 | } | ||
| 126 | |||
| 127 | } | ||