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/*
 * Copyright (c) 2012, 2016, 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.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.io.Writer;
import java.net.URI;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

import com.sun.tools.sjavac.comp.CompilationService;
import com.sun.tools.sjavac.options.Options;
import com.sun.tools.sjavac.pubapi.PubApi;

/**
 * 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.
 *
 *  

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 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(CompilationService compilationService, Map> pkgSrcs, Set visibleSrcs, Map> oldPackageDependents, URI destRoot, Map> packageArtifacts, Map>> packageDependencies, Map>> packageCpDependencies, Map packagePublicApis, Map dependencyPublicApis, int debugLevel, boolean incremental, int numCores) { 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> 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 sortedKeys = new ArrayList<>(); for (Object key : p.keySet()) { sortedKeys.add((String)key); } Collections.sort(sortedKeys); Iterator 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 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 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' }; }





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