| /* |
| * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.sjavac; |
| |
| import java.io.File; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.StringTokenizer; |
| |
| /** |
| * Utilities. |
| * |
| * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own |
| * risk. This code and its internal interfaces are subject to change |
| * or deletion without notice.</b></p> |
| */ |
| public class Util { |
| |
| public static String toFileSystemPath(String pkgId) { |
| if (pkgId == null || pkgId.length()==0) return null; |
| String pn; |
| if (pkgId.charAt(0) == ':') { |
| // When the module is the default empty module. |
| // Do not prepend the module directory, because there is none. |
| // Thus :java.foo.bar translates to java/foo/bar (or \) |
| pn = pkgId.substring(1).replace('.',File.separatorChar); |
| } else { |
| // There is a module. Thus jdk.base:java.foo.bar translates |
| // into jdk.base/java/foo/bar |
| int cp = pkgId.indexOf(':'); |
| String mn = pkgId.substring(0,cp); |
| pn = mn+File.separatorChar+pkgId.substring(cp+1).replace('.',File.separatorChar); |
| } |
| return pn; |
| } |
| |
| public static String justPackageName(String pkgName) { |
| int c = pkgName.indexOf(":"); |
| assert(c != -1); |
| return pkgName.substring(c+1); |
| } |
| |
| public static String extractStringOption(String opName, String s) { |
| int p = s.indexOf(opName+"="); |
| if (p == -1) return null; |
| p+=opName.length()+1; |
| int pe = s.indexOf(',', p); |
| if (pe == -1) pe = s.length(); |
| return s.substring(p, pe); |
| } |
| |
| public static int extractIntOption(String opName, String s) { |
| int p = s.indexOf(opName+"="); |
| if (p == -1) return 0; |
| p+=opName.length()+1; |
| int pe = s.indexOf(',', p); |
| if (pe == -1) pe = s.length(); |
| int v = 0; |
| try { |
| v = Integer.parseInt(s.substring(p, pe)); |
| } catch (Exception e) {} |
| return v; |
| } |
| |
| /** |
| * Clean out unwanted sub options supplied inside a primary option. |
| * For example to only had portfile remaining from: |
| * settings="--server:id=foo,portfile=bar" |
| * do settings = cleanOptions("--server:",Util.set("-portfile"),settings); |
| * now settings equals "--server:portfile=bar" |
| * |
| * @param optionPrefix The option name, including colon, eg --server: |
| * @param allowsSubOptions A set of the allowed sub options, id portfile etc. |
| * @param s The option settings string. |
| */ |
| public static String cleanSubOptions(String optionPrefix, Set<String> allowedSubOptions, String s) { |
| StringBuilder sb = new StringBuilder(); |
| if (!s.startsWith(optionPrefix)) return ""; |
| StringTokenizer st = new StringTokenizer(s.substring(optionPrefix.length()), ","); |
| while (st.hasMoreTokens()) { |
| String o = st.nextToken(); |
| int p = o.indexOf('='); |
| if (p>0) { |
| String key = o.substring(0,p); |
| String val = o.substring(p+1); |
| if (allowedSubOptions.contains(key)) { |
| if (sb.length() > 0) sb.append(','); |
| sb.append(key+"="+val); |
| } |
| } |
| } |
| return sb.toString(); |
| } |
| |
| /** |
| * Convenience method to create a set with strings. |
| */ |
| public static Set<String> set(String... ss) { |
| Set<String> set = new HashSet<String>(); |
| set.addAll(Arrays.asList(ss)); |
| return set; |
| } |
| |
| /** |
| * Normalize windows drive letter paths to upper case to enable string |
| * comparison. |
| * |
| * @param file File name to normalize |
| * @return The normalized string if file has a drive letter at the beginning, |
| * otherwise the original string. |
| */ |
| public static String normalizeDriveLetter(String file) { |
| if (file.length() > 2 && file.charAt(1) == ':') { |
| return Character.toUpperCase(file.charAt(0)) + file.substring(1); |
| } else if (file.length() > 3 && file.charAt(0) == '*' |
| && file.charAt(2) == ':') { |
| // Handle a wildcard * at the beginning of the string. |
| return file.substring(0, 1) + Character.toUpperCase(file.charAt(1)) |
| + file.substring(2); |
| } |
| return file; |
| } |
| |
| /** |
| * Locate the setting for the server properties. |
| */ |
| public static String findServerSettings(String[] args) { |
| for (String s : args) { |
| if (s.startsWith("--server:")) { |
| return s; |
| } |
| } |
| return null; |
| } |
| } |