Thu, 20 Jun 2013 08:45:43 +0100
8016613: javac should avoid source 8 only analysis when compiling for source 7
Reviewed-by: jjg
Contributed-by: maurizio.cimadamore@oracle.com
ohrstrom@1504 | 1 | /* |
ohrstrom@1504 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
ohrstrom@1504 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ohrstrom@1504 | 4 | * |
ohrstrom@1504 | 5 | * This code is free software; you can redistribute it and/or modify it |
ohrstrom@1504 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohrstrom@1504 | 7 | * published by the Free Software Foundation. Oracle designates this |
ohrstrom@1504 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohrstrom@1504 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
ohrstrom@1504 | 10 | * |
ohrstrom@1504 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ohrstrom@1504 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ohrstrom@1504 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ohrstrom@1504 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
ohrstrom@1504 | 15 | * accompanied this code). |
ohrstrom@1504 | 16 | * |
ohrstrom@1504 | 17 | * You should have received a copy of the GNU General Public License version |
ohrstrom@1504 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
ohrstrom@1504 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ohrstrom@1504 | 20 | * |
ohrstrom@1504 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohrstrom@1504 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohrstrom@1504 | 23 | * questions. |
ohrstrom@1504 | 24 | */ |
ohrstrom@1504 | 25 | |
ohrstrom@1504 | 26 | package com.sun.tools.sjavac; |
ohrstrom@1504 | 27 | |
ohrstrom@1504 | 28 | import java.io.*; |
ohrstrom@1504 | 29 | import java.net.URI; |
ohrstrom@1504 | 30 | import java.text.MessageFormat; |
ohrstrom@1504 | 31 | import java.util.ArrayList; |
ohrstrom@1504 | 32 | import java.util.Collections; |
ohrstrom@1504 | 33 | import java.util.Iterator; |
ohrstrom@1504 | 34 | import java.util.List; |
ohrstrom@1504 | 35 | import java.util.Properties; |
ohrstrom@1504 | 36 | import java.util.Set; |
ohrstrom@1504 | 37 | import java.util.HashSet; |
ohrstrom@1504 | 38 | import java.util.Map; |
ohrstrom@1504 | 39 | |
ohrstrom@1504 | 40 | /** |
ohrstrom@1504 | 41 | * Compile properties transform a properties file into a Java source file. |
ohrstrom@1504 | 42 | * Java has built in support for reading properties from either a text file |
ohrstrom@1504 | 43 | * in the source or a compiled java source file. |
ohrstrom@1504 | 44 | * |
ohrstrom@1504 | 45 | * <p><b>This is NOT part of any supported API. |
ohrstrom@1504 | 46 | * If you write code that depends on this, you do so at your own |
ohrstrom@1504 | 47 | * risk. This code and its internal interfaces are subject to change |
ohrstrom@1504 | 48 | * or deletion without notice.</b></p> |
ohrstrom@1504 | 49 | */ |
ohrstrom@1504 | 50 | public class CompileProperties implements Transformer |
ohrstrom@1504 | 51 | { |
ohrstrom@1504 | 52 | // Any extra information passed from the command line, for example if: |
ohrstrom@1504 | 53 | // -tr .proppp=com.sun.tools.javac.smart.CompileProperties,sun.util.resources.LocaleNamesBundle |
ohrstrom@1504 | 54 | // then extra will be "sun.util.resources.LocaleNamesBundle" |
ohrstrom@1504 | 55 | String extra; |
ohrstrom@1504 | 56 | |
ohrstrom@1504 | 57 | public void setExtra(String e) { |
ohrstrom@1504 | 58 | extra = e; |
ohrstrom@1504 | 59 | } |
ohrstrom@1504 | 60 | |
ohrstrom@1504 | 61 | public void setExtra(String[] a) { |
ohrstrom@1504 | 62 | } |
ohrstrom@1504 | 63 | |
ohrstrom@1504 | 64 | public boolean transform(Map<String,Set<URI>> pkgSrcs, |
ohrstrom@1504 | 65 | Set<URI> visibleSrcs, |
ohrstrom@1504 | 66 | Map<URI,Set<String>> visibleClasses, |
ohrstrom@1504 | 67 | Map<String,Set<String>> oldPackageDependents, |
ohrstrom@1504 | 68 | URI destRoot, |
ohrstrom@1504 | 69 | Map<String,Set<URI>> packageArtifacts, |
ohrstrom@1504 | 70 | Map<String,Set<String>> packageDependencies, |
ohrstrom@1504 | 71 | Map<String,String> packagePublicApis, |
ohrstrom@1504 | 72 | int debugLevel, |
ohrstrom@1504 | 73 | boolean incremental, |
ohrstrom@1504 | 74 | int numCores, |
ohrstrom@1504 | 75 | PrintStream out, |
ohrstrom@1504 | 76 | PrintStream err) { |
ohrstrom@1504 | 77 | boolean rc = true; |
ohrstrom@1504 | 78 | for (String pkgName : pkgSrcs.keySet()) { |
ohrstrom@1504 | 79 | String pkgNameF = Util.toFileSystemPath(pkgName); |
ohrstrom@1504 | 80 | for (URI u : pkgSrcs.get(pkgName)) { |
ohrstrom@1504 | 81 | File src = new File(u); |
ohrstrom@1504 | 82 | boolean r = compile(pkgName, pkgNameF, src, new File(destRoot), debugLevel, |
ohrstrom@1504 | 83 | packageArtifacts); |
ohrstrom@1504 | 84 | if (r == false) { |
ohrstrom@1504 | 85 | rc = false; |
ohrstrom@1504 | 86 | } |
ohrstrom@1504 | 87 | } |
ohrstrom@1504 | 88 | } |
ohrstrom@1504 | 89 | return rc; |
ohrstrom@1504 | 90 | } |
ohrstrom@1504 | 91 | |
ohrstrom@1504 | 92 | boolean compile(String pkgName, String pkgNameF, File src, File destRoot, int debugLevel, |
ohrstrom@1504 | 93 | Map<String,Set<URI>> packageArtifacts) |
ohrstrom@1504 | 94 | { |
ohrstrom@1504 | 95 | String superClass = "java.util.ListResourceBundle"; |
ohrstrom@1504 | 96 | |
ohrstrom@1504 | 97 | if (extra != null) { |
ohrstrom@1504 | 98 | superClass = extra; |
ohrstrom@1504 | 99 | } |
ohrstrom@1504 | 100 | // Load the properties file. |
ohrstrom@1504 | 101 | Properties p = new Properties(); |
ohrstrom@1504 | 102 | try { |
ohrstrom@1504 | 103 | p.load(new FileInputStream(src)); |
ohrstrom@1504 | 104 | } catch (IOException e) { |
ohrstrom@1504 | 105 | Log.error("Error reading file "+src.getPath()); |
ohrstrom@1504 | 106 | return false; |
ohrstrom@1504 | 107 | } |
ohrstrom@1504 | 108 | |
ohrstrom@1504 | 109 | // Calculate the name of the Java source file to be generated. |
ohrstrom@1504 | 110 | int dp = src.getName().lastIndexOf("."); |
ohrstrom@1504 | 111 | String classname = src.getName().substring(0,dp); |
ohrstrom@1504 | 112 | |
ohrstrom@1504 | 113 | // Sort the properties in increasing key order. |
ohrstrom@1504 | 114 | List<String> sortedKeys = new ArrayList<String>(); |
ohrstrom@1504 | 115 | for (Object key : p.keySet()) { |
ohrstrom@1504 | 116 | sortedKeys.add((String)key); |
ohrstrom@1504 | 117 | } |
ohrstrom@1504 | 118 | Collections.sort(sortedKeys); |
ohrstrom@1504 | 119 | Iterator<String> keys = sortedKeys.iterator(); |
ohrstrom@1504 | 120 | |
ohrstrom@1504 | 121 | // Collect the properties into a string buffer. |
ohrstrom@1504 | 122 | StringBuilder data = new StringBuilder(); |
ohrstrom@1504 | 123 | while (keys.hasNext()) { |
ohrstrom@1504 | 124 | String key = keys.next(); |
ohrstrom@1504 | 125 | data.append(" { \"" + escape(key) + "\", \"" + |
ohrstrom@1504 | 126 | escape((String)p.get(key)) + "\" },\n"); |
ohrstrom@1504 | 127 | } |
ohrstrom@1504 | 128 | |
ohrstrom@1504 | 129 | // Create dest file name. It is derived from the properties file name. |
ohrstrom@1504 | 130 | String destFilename = destRoot.getPath()+File.separator+pkgNameF+File.separator+classname+".java"; |
ohrstrom@1504 | 131 | File dest = new File(destFilename); |
ohrstrom@1504 | 132 | |
ohrstrom@1504 | 133 | // Make sure the dest directories exist. |
ohrstrom@1504 | 134 | if (!dest.getParentFile().isDirectory()) { |
ohrstrom@1504 | 135 | if (!dest.getParentFile().mkdirs()) { |
ohrstrom@1504 | 136 | Log.error("Could not create the directory "+dest.getParentFile().getPath()); |
ohrstrom@1504 | 137 | return false; |
ohrstrom@1504 | 138 | } |
ohrstrom@1504 | 139 | } |
ohrstrom@1504 | 140 | |
ohrstrom@1504 | 141 | Set<URI> as = packageArtifacts.get(pkgName); |
ohrstrom@1504 | 142 | if (as == null) { |
ohrstrom@1504 | 143 | as = new HashSet<URI>(); |
ohrstrom@1504 | 144 | packageArtifacts.put(pkgName, as); |
ohrstrom@1504 | 145 | } |
ohrstrom@1504 | 146 | as.add(dest.toURI()); |
ohrstrom@1504 | 147 | |
ohrstrom@1504 | 148 | if (dest.exists() && dest.lastModified() > src.lastModified()) { |
ohrstrom@1504 | 149 | // A generated file exists, and its timestamp is newer than the source. |
ohrstrom@1504 | 150 | // Assume that we do not need to regenerate the dest file! |
ohrstrom@1504 | 151 | // Thus we are done. |
ohrstrom@1504 | 152 | return true; |
ohrstrom@1504 | 153 | } |
ohrstrom@1504 | 154 | |
ohrstrom@1504 | 155 | String packageString = "package " + pkgNameF.replace(File.separatorChar,'.') + ";\n\n"; |
ohrstrom@1504 | 156 | |
ohrstrom@1504 | 157 | Log.info("Compiling property file "+pkgNameF+File.separator+src.getName()); |
ohrstrom@1504 | 158 | try (Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(dest)))) { |
ohrstrom@1504 | 159 | MessageFormat format = new MessageFormat(FORMAT); |
ohrstrom@1504 | 160 | writer.write(format.format(new Object[] { packageString, classname, superClass, data })); |
ohrstrom@1504 | 161 | } catch ( IOException e ) { |
ohrstrom@1504 | 162 | Log.error("Could not write file "+dest.getPath()); |
ohrstrom@1504 | 163 | return false; |
ohrstrom@1504 | 164 | } |
ohrstrom@1504 | 165 | return true; |
ohrstrom@1504 | 166 | } |
ohrstrom@1504 | 167 | |
ohrstrom@1504 | 168 | private static final String FORMAT = |
ohrstrom@1504 | 169 | "{0}" + |
ohrstrom@1504 | 170 | "public final class {1} extends {2} '{'\n" + |
ohrstrom@1504 | 171 | " protected final Object[][] getContents() '{'\n" + |
ohrstrom@1504 | 172 | " return new Object[][] '{'\n" + |
ohrstrom@1504 | 173 | "{3}" + |
ohrstrom@1504 | 174 | " };\n" + |
ohrstrom@1504 | 175 | " }\n" + |
ohrstrom@1504 | 176 | "}\n"; |
ohrstrom@1504 | 177 | |
ohrstrom@1504 | 178 | public static String escape(String theString) { |
ohrstrom@1504 | 179 | int len = theString.length(); |
ohrstrom@1504 | 180 | StringBuilder outBuffer = new StringBuilder(len*2); |
ohrstrom@1504 | 181 | |
ohrstrom@1504 | 182 | for(int x=0; x<len; x++) { |
ohrstrom@1504 | 183 | char aChar = theString.charAt(x); |
ohrstrom@1504 | 184 | switch(aChar) { |
ohrstrom@1504 | 185 | case '\\':outBuffer.append('\\'); outBuffer.append('\\'); |
ohrstrom@1504 | 186 | break; |
ohrstrom@1504 | 187 | case '\t':outBuffer.append('\\'); outBuffer.append('t'); |
ohrstrom@1504 | 188 | break; |
ohrstrom@1504 | 189 | case '\n':outBuffer.append('\\'); outBuffer.append('n'); |
ohrstrom@1504 | 190 | break; |
ohrstrom@1504 | 191 | case '\r':outBuffer.append('\\'); outBuffer.append('r'); |
ohrstrom@1504 | 192 | break; |
ohrstrom@1504 | 193 | case '\f':outBuffer.append('\\'); outBuffer.append('f'); |
ohrstrom@1504 | 194 | break; |
ohrstrom@1504 | 195 | default: |
ohrstrom@1504 | 196 | if ((aChar < 0x0020) || (aChar > 0x007e)) { |
ohrstrom@1504 | 197 | outBuffer.append('\\'); |
ohrstrom@1504 | 198 | outBuffer.append('u'); |
ohrstrom@1504 | 199 | outBuffer.append(toHex((aChar >> 12) & 0xF)); |
ohrstrom@1504 | 200 | outBuffer.append(toHex((aChar >> 8) & 0xF)); |
ohrstrom@1504 | 201 | outBuffer.append(toHex((aChar >> 4) & 0xF)); |
ohrstrom@1504 | 202 | outBuffer.append(toHex( aChar & 0xF)); |
ohrstrom@1504 | 203 | } else { |
ohrstrom@1504 | 204 | if (aChar == '"') { |
ohrstrom@1504 | 205 | outBuffer.append('\\'); |
ohrstrom@1504 | 206 | } |
ohrstrom@1504 | 207 | outBuffer.append(aChar); |
ohrstrom@1504 | 208 | } |
ohrstrom@1504 | 209 | } |
ohrstrom@1504 | 210 | } |
ohrstrom@1504 | 211 | return outBuffer.toString(); |
ohrstrom@1504 | 212 | } |
ohrstrom@1504 | 213 | |
ohrstrom@1504 | 214 | private static char toHex(int nibble) { |
ohrstrom@1504 | 215 | return hexDigit[(nibble & 0xF)]; |
ohrstrom@1504 | 216 | } |
ohrstrom@1504 | 217 | |
ohrstrom@1504 | 218 | private static final char[] hexDigit = { |
ohrstrom@1504 | 219 | '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' |
ohrstrom@1504 | 220 | }; |
ohrstrom@1504 | 221 | } |