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Maven repackaging of OpenJDK's jdk.compiler module
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/*
* Copyright (c) 2012, 2013, 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.
*
* 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(":");
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 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 set(String... ss) {
Set set = new HashSet();
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;
}
}