1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/com/sun/tools/sjavac/Util.java Mon Feb 04 18:08:53 2013 -0500
1.3 @@ -0,0 +1,160 @@
1.4 +/*
1.5 + * Copyright (c) 2012, 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 com.sun.tools.sjavac;
1.30 +
1.31 +import java.io.File;
1.32 +import java.util.Arrays;
1.33 +import java.util.HashSet;
1.34 +import java.util.Set;
1.35 +import java.util.StringTokenizer;
1.36 +
1.37 +/**
1.38 + * Utilities.
1.39 + *
1.40 + * <p><b>This is NOT part of any supported API.
1.41 + * If you write code that depends on this, you do so at your own
1.42 + * risk. This code and its internal interfaces are subject to change
1.43 + * or deletion without notice.</b></p>
1.44 + */
1.45 +public class Util {
1.46 +
1.47 + public static String toFileSystemPath(String pkgId) {
1.48 + if (pkgId == null || pkgId.length()==0) return null;
1.49 + String pn;
1.50 + if (pkgId.charAt(0) == ':') {
1.51 + // When the module is the default empty module.
1.52 + // Do not prepend the module directory, because there is none.
1.53 + // Thus :java.foo.bar translates to java/foo/bar (or \)
1.54 + pn = pkgId.substring(1).replace('.',File.separatorChar);
1.55 + } else {
1.56 + // There is a module. Thus jdk.base:java.foo.bar translates
1.57 + // into jdk.base/java/foo/bar
1.58 + int cp = pkgId.indexOf(':');
1.59 + String mn = pkgId.substring(0,cp);
1.60 + pn = mn+File.separatorChar+pkgId.substring(cp+1).replace('.',File.separatorChar);
1.61 + }
1.62 + return pn;
1.63 + }
1.64 +
1.65 + public static String justPackageName(String pkgName) {
1.66 + int c = pkgName.indexOf(":");
1.67 + assert(c != -1);
1.68 + return pkgName.substring(c+1);
1.69 + }
1.70 +
1.71 + public static String extractStringOption(String opName, String s) {
1.72 + int p = s.indexOf(opName+"=");
1.73 + if (p == -1) return null;
1.74 + p+=opName.length()+1;
1.75 + int pe = s.indexOf(',', p);
1.76 + if (pe == -1) pe = s.length();
1.77 + return s.substring(p, pe);
1.78 + }
1.79 +
1.80 + public static int extractIntOption(String opName, String s) {
1.81 + int p = s.indexOf(opName+"=");
1.82 + if (p == -1) return 0;
1.83 + p+=opName.length()+1;
1.84 + int pe = s.indexOf(',', p);
1.85 + if (pe == -1) pe = s.length();
1.86 + int v = 0;
1.87 + try {
1.88 + v = Integer.parseInt(s.substring(p, pe));
1.89 + } catch (Exception e) {}
1.90 + return v;
1.91 + }
1.92 +
1.93 + /**
1.94 + * Clean out unwanted sub options supplied inside a primary option.
1.95 + * For example to only had portfile remaining from:
1.96 + * settings="--server:id=foo,portfile=bar"
1.97 + * do settings = cleanOptions("--server:",Util.set("-portfile"),settings);
1.98 + * now settings equals "--server:portfile=bar"
1.99 + *
1.100 + * @param optionPrefix The option name, including colon, eg --server:
1.101 + * @param allowsSubOptions A set of the allowed sub options, id portfile etc.
1.102 + * @param s The option settings string.
1.103 + */
1.104 + public static String cleanSubOptions(String optionPrefix, Set<String> allowedSubOptions, String s) {
1.105 + StringBuilder sb = new StringBuilder();
1.106 + if (!s.startsWith(optionPrefix)) return "";
1.107 + StringTokenizer st = new StringTokenizer(s.substring(optionPrefix.length()), ",");
1.108 + while (st.hasMoreTokens()) {
1.109 + String o = st.nextToken();
1.110 + int p = o.indexOf('=');
1.111 + if (p>0) {
1.112 + String key = o.substring(0,p);
1.113 + String val = o.substring(p+1);
1.114 + if (allowedSubOptions.contains(key)) {
1.115 + if (sb.length() > 0) sb.append(',');
1.116 + sb.append(key+"="+val);
1.117 + }
1.118 + }
1.119 + }
1.120 + return sb.toString();
1.121 + }
1.122 +
1.123 + /**
1.124 + * Convenience method to create a set with strings.
1.125 + */
1.126 + public static Set<String> set(String... ss) {
1.127 + Set<String> set = new HashSet<String>();
1.128 + set.addAll(Arrays.asList(ss));
1.129 + return set;
1.130 + }
1.131 +
1.132 + /**
1.133 + * Normalize windows drive letter paths to upper case to enable string
1.134 + * comparison.
1.135 + *
1.136 + * @param file File name to normalize
1.137 + * @return The normalized string if file has a drive letter at the beginning,
1.138 + * otherwise the original string.
1.139 + */
1.140 + public static String normalizeDriveLetter(String file) {
1.141 + if (file.length() > 2 && file.charAt(1) == ':') {
1.142 + return Character.toUpperCase(file.charAt(0)) + file.substring(1);
1.143 + } else if (file.length() > 3 && file.charAt(0) == '*'
1.144 + && file.charAt(2) == ':') {
1.145 + // Handle a wildcard * at the beginning of the string.
1.146 + return file.substring(0, 1) + Character.toUpperCase(file.charAt(1))
1.147 + + file.substring(2);
1.148 + }
1.149 + return file;
1.150 + }
1.151 +
1.152 + /**
1.153 + * Locate the setting for the server properties.
1.154 + */
1.155 + public static String findServerSettings(String[] args) {
1.156 + for (String s : args) {
1.157 + if (s.startsWith("--server:")) {
1.158 + return s;
1.159 + }
1.160 + }
1.161 + return null;
1.162 + }
1.163 +}
