--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/sjavac/CompileProperties.java Fri Jan 18 00:16:21 2013 +0100
@@ -0,0 +1,221 @@
+/*
+ * 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.*;
+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;
+
+/**
+ * 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(String[] a) {
+ }
+
+ public boolean transform(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<String>();
+ 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<URI>();
+ 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'
+ };
+}