| /* |
| * 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.*; |
| import java.net.URI; |
| import java.text.MessageFormat; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Properties; |
| import java.util.Set; |
| import java.util.HashSet; |
| import java.util.Map; |
| |
| import com.sun.tools.sjavac.options.Options; |
| import com.sun.tools.sjavac.server.JavacService; |
| |
| /** |
| * Compile properties transform a properties file into a Java source file. |
| * Java has built in support for reading properties from either a text file |
| * in the source or a compiled java source file. |
| * |
| * <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 CompileProperties implements Transformer |
| { |
| // Any extra information passed from the command line, for example if: |
| // -tr .proppp=com.sun.tools.javac.smart.CompileProperties,sun.util.resources.LocaleNamesBundle |
| // then extra will be "sun.util.resources.LocaleNamesBundle" |
| String extra; |
| |
| public void setExtra(String e) { |
| extra = e; |
| } |
| |
| public void setExtra(Options a) { |
| } |
| |
| public boolean transform(JavacService javacService, |
| Map<String,Set<URI>> pkgSrcs, |
| Set<URI> visibleSrcs, |
| Map<URI,Set<String>> visibleClasses, |
| Map<String,Set<String>> oldPackageDependents, |
| URI destRoot, |
| Map<String,Set<URI>> packageArtifacts, |
| Map<String,Set<String>> packageDependencies, |
| Map<String,String> packagePublicApis, |
| int debugLevel, |
| boolean incremental, |
| int numCores, |
| PrintStream out, |
| PrintStream err) { |
| boolean rc = true; |
| for (String pkgName : pkgSrcs.keySet()) { |
| String pkgNameF = Util.toFileSystemPath(pkgName); |
| for (URI u : pkgSrcs.get(pkgName)) { |
| File src = new File(u); |
| boolean r = compile(pkgName, pkgNameF, src, new File(destRoot), debugLevel, |
| packageArtifacts); |
| if (r == false) { |
| rc = false; |
| } |
| } |
| } |
| return rc; |
| } |
| |
| boolean compile(String pkgName, String pkgNameF, File src, File destRoot, int debugLevel, |
| Map<String,Set<URI>> packageArtifacts) |
| { |
| String superClass = "java.util.ListResourceBundle"; |
| |
| if (extra != null) { |
| superClass = extra; |
| } |
| // Load the properties file. |
| Properties p = new Properties(); |
| try { |
| p.load(new FileInputStream(src)); |
| } catch (IOException e) { |
| Log.error("Error reading file "+src.getPath()); |
| return false; |
| } |
| |
| // Calculate the name of the Java source file to be generated. |
| int dp = src.getName().lastIndexOf("."); |
| String classname = src.getName().substring(0,dp); |
| |
| // Sort the properties in increasing key order. |
| List<String> sortedKeys = new ArrayList<>(); |
| for (Object key : p.keySet()) { |
| sortedKeys.add((String)key); |
| } |
| Collections.sort(sortedKeys); |
| Iterator<String> keys = sortedKeys.iterator(); |
| |
| // Collect the properties into a string buffer. |
| StringBuilder data = new StringBuilder(); |
| while (keys.hasNext()) { |
| String key = keys.next(); |
| data.append(" { \"" + escape(key) + "\", \"" + |
| escape((String)p.get(key)) + "\" },\n"); |
| } |
| |
| // Create dest file name. It is derived from the properties file name. |
| String destFilename = destRoot.getPath()+File.separator+pkgNameF+File.separator+classname+".java"; |
| File dest = new File(destFilename); |
| |
| // Make sure the dest directories exist. |
| if (!dest.getParentFile().isDirectory()) { |
| if (!dest.getParentFile().mkdirs()) { |
| Log.error("Could not create the directory "+dest.getParentFile().getPath()); |
| return false; |
| } |
| } |
| |
| Set<URI> as = packageArtifacts.get(pkgName); |
| if (as == null) { |
| as = new HashSet<>(); |
| packageArtifacts.put(pkgName, as); |
| } |
| as.add(dest.toURI()); |
| |
| if (dest.exists() && dest.lastModified() > src.lastModified()) { |
| // A generated file exists, and its timestamp is newer than the source. |
| // Assume that we do not need to regenerate the dest file! |
| // Thus we are done. |
| return true; |
| } |
| |
| String packageString = "package " + pkgNameF.replace(File.separatorChar,'.') + ";\n\n"; |
| |
| Log.info("Compiling property file "+pkgNameF+File.separator+src.getName()); |
| try (Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(dest)))) { |
| MessageFormat format = new MessageFormat(FORMAT); |
| writer.write(format.format(new Object[] { packageString, classname, superClass, data })); |
| } catch ( IOException e ) { |
| Log.error("Could not write file "+dest.getPath()); |
| return false; |
| } |
| return true; |
| } |
| |
| private static final String FORMAT = |
| "{0}" + |
| "public final class {1} extends {2} '{'\n" + |
| " protected final Object[][] getContents() '{'\n" + |
| " return new Object[][] '{'\n" + |
| "{3}" + |
| " };\n" + |
| " }\n" + |
| "}\n"; |
| |
| public static String escape(String theString) { |
| int len = theString.length(); |
| StringBuilder outBuffer = new StringBuilder(len*2); |
| |
| for(int x=0; x<len; x++) { |
| char aChar = theString.charAt(x); |
| switch(aChar) { |
| case '\\':outBuffer.append('\\'); outBuffer.append('\\'); |
| break; |
| case '\t':outBuffer.append('\\'); outBuffer.append('t'); |
| break; |
| case '\n':outBuffer.append('\\'); outBuffer.append('n'); |
| break; |
| case '\r':outBuffer.append('\\'); outBuffer.append('r'); |
| break; |
| case '\f':outBuffer.append('\\'); outBuffer.append('f'); |
| break; |
| default: |
| if ((aChar < 0x0020) || (aChar > 0x007e)) { |
| outBuffer.append('\\'); |
| outBuffer.append('u'); |
| outBuffer.append(toHex((aChar >> 12) & 0xF)); |
| outBuffer.append(toHex((aChar >> 8) & 0xF)); |
| outBuffer.append(toHex((aChar >> 4) & 0xF)); |
| outBuffer.append(toHex( aChar & 0xF)); |
| } else { |
| if (aChar == '"') { |
| outBuffer.append('\\'); |
| } |
| outBuffer.append(aChar); |
| } |
| } |
| } |
| return outBuffer.toString(); |
| } |
| |
| private static char toHex(int nibble) { |
| return hexDigit[(nibble & 0xF)]; |
| } |
| |
| private static final char[] hexDigit = { |
| '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' |
| }; |
| } |