/* * Copyright (c) 2012, 2014, 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.io.PrintWriter; import java.io.StringWriter; import java.nio.file.Path; import java.util.Arrays; import java.util.HashSet; import java.util.Set; import java.util.StringTokenizer; /** * Utilities. * *
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.
*/
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(":");
if (c == -1)
throw new IllegalArgumentException("Expected ':' in package name (" + pkgName + ")");
return pkgName.substring(c+1);
}
public static String extractStringOption(String opName, String s) {
return extractStringOption(opName, s, null);
}
public static String extractStringOption(String opName, String s, String deflt) {
int p = s.indexOf(opName+"=");
if (p == -1) return deflt;
p+=opName.length()+1;
int pe = s.indexOf(',', p);
if (pe == -1) pe = s.length();
return s.substring(p, pe);
}
public static boolean extractBooleanOption(String opName, String s, boolean deflt) {
String str = extractStringOption(opName, s);
return "true".equals(str) ? true
: "false".equals(str) ? false
: deflt;
}
public static int extractIntOption(String opName, String s) {
return extractIntOption(opName, s, 0);
}
public static int extractIntOption(String opName, String s, int deflt) {
int p = s.indexOf(opName+"=");
if (p == -1) return deflt;
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 allowsSubOptions A set of the allowed sub options, id portfile etc.
* @param s The option settings string.
*/
public static String cleanSubOptions(Set