Tue, 03 Jan 2012 11:37:00 -0800
4881269: improve diagnostic for ill-formed tokens
Reviewed-by: mcimadamore
jjg@610 | 1 | /* |
jjg@610 | 2 | * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
jjg@610 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@610 | 4 | * |
jjg@610 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@610 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@610 | 7 | * published by the Free Software Foundation. |
jjg@610 | 8 | * |
jjg@610 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@610 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@610 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@610 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@610 | 13 | * accompanied this code). |
jjg@610 | 14 | * |
jjg@610 | 15 | * You should have received a copy of the GNU General Public License version |
jjg@610 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@610 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@610 | 18 | * |
jjg@610 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
jjg@610 | 20 | * or visit www.oracle.com if you need additional information or have any |
jjg@610 | 21 | * questions. |
jjg@610 | 22 | */ |
jjg@610 | 23 | |
jjg@610 | 24 | import java.io.File; |
jjg@610 | 25 | import java.io.IOException; |
jjg@610 | 26 | import java.io.InputStream; |
jjg@610 | 27 | import java.io.OutputStream; |
jjg@610 | 28 | import java.io.Reader; |
jjg@610 | 29 | import java.io.Writer; |
jjg@610 | 30 | import java.net.URI; |
jjg@610 | 31 | import java.util.ArrayList; |
jjg@610 | 32 | import java.util.Collections; |
jjg@610 | 33 | import java.util.List; |
jjg@610 | 34 | import java.util.regex.Pattern; |
jjg@610 | 35 | import javax.lang.model.element.Modifier; |
jjg@610 | 36 | import javax.lang.model.element.NestingKind; |
jjg@610 | 37 | import javax.tools.JavaFileManager.Location; |
jjg@610 | 38 | import javax.tools.JavaFileObject; |
jjg@610 | 39 | import javax.tools.StandardJavaFileManager; |
jjg@610 | 40 | |
jjg@610 | 41 | import com.sun.tools.javac.api.WrappingJavaFileManager; |
jjg@610 | 42 | |
jjg@610 | 43 | /** |
jjg@610 | 44 | * A JavaFileManager that can throw IOException on attempting to read or write |
jjg@610 | 45 | * selected files that match a regular expression. |
jjg@610 | 46 | */ |
jjg@610 | 47 | public class FileManager |
jjg@610 | 48 | extends WrappingJavaFileManager<StandardJavaFileManager> |
jjg@610 | 49 | implements StandardJavaFileManager { |
jjg@610 | 50 | private static final String CANT_READ = "cantRead:"; |
jjg@610 | 51 | private static final String CANT_WRITE = "cantWrite:"; |
jjg@610 | 52 | |
jjg@610 | 53 | private Pattern cantRead; |
jjg@610 | 54 | private Pattern cantWrite; |
jjg@610 | 55 | |
jjg@610 | 56 | public FileManager(StandardJavaFileManager fm, List<String> opts) { |
jjg@610 | 57 | super(fm); |
jjg@610 | 58 | for (String opt: opts) { |
jjg@610 | 59 | if (opt.startsWith(CANT_READ)) |
jjg@610 | 60 | cantRead = Pattern.compile(opt.substring(CANT_READ.length())); |
jjg@610 | 61 | else if (opt.startsWith(CANT_WRITE)) |
jjg@610 | 62 | cantWrite = Pattern.compile(opt.substring(CANT_WRITE.length())); |
jjg@610 | 63 | else |
jjg@610 | 64 | throw new IllegalArgumentException(opt); |
jjg@610 | 65 | } |
jjg@610 | 66 | } |
jjg@610 | 67 | |
jjg@610 | 68 | @Override |
jjg@610 | 69 | protected JavaFileObject wrap(JavaFileObject fo) { |
jjg@610 | 70 | return new WrappedFileObject(fo); |
jjg@610 | 71 | } |
jjg@610 | 72 | |
jjg@610 | 73 | @Override |
jjg@610 | 74 | protected JavaFileObject unwrap(JavaFileObject fo) { |
jjg@610 | 75 | if (fo instanceof WrappedFileObject) |
jjg@610 | 76 | return ((WrappedFileObject) fo).delegate; |
jjg@610 | 77 | else |
jjg@610 | 78 | return fo; |
jjg@610 | 79 | } |
jjg@610 | 80 | |
jjg@610 | 81 | public Iterable<? extends JavaFileObject> getJavaFileObjectsFromFiles(Iterable<? extends File> files) { |
jjg@610 | 82 | return wrap2(fileManager.getJavaFileObjectsFromFiles(files)); |
jjg@610 | 83 | } |
jjg@610 | 84 | |
jjg@610 | 85 | public Iterable<? extends JavaFileObject> getJavaFileObjects(File... files) { |
jjg@610 | 86 | return wrap2(fileManager.getJavaFileObjects(files)); |
jjg@610 | 87 | } |
jjg@610 | 88 | |
jjg@610 | 89 | public Iterable<? extends JavaFileObject> getJavaFileObjectsFromStrings(Iterable<String> names) { |
jjg@610 | 90 | return wrap2(fileManager.getJavaFileObjectsFromStrings(names)); |
jjg@610 | 91 | } |
jjg@610 | 92 | |
jjg@610 | 93 | public Iterable<? extends JavaFileObject> getJavaFileObjects(String... names) { |
jjg@610 | 94 | return wrap2(fileManager.getJavaFileObjects(names)); |
jjg@610 | 95 | } |
jjg@610 | 96 | |
jjg@610 | 97 | /* This method is regrettably necessary because WrappingJavaFileManager.wrap takes |
jjg@610 | 98 | * Iterable<JavaFileObject> fileObjects |
jjg@610 | 99 | * instead of |
jjg@610 | 100 | * Iterable<? extends JavaFileObject> fileObjects |
jjg@610 | 101 | */ |
jjg@610 | 102 | protected Iterable<JavaFileObject> wrap2(Iterable<? extends JavaFileObject> fileObjects) { |
jjg@610 | 103 | List<JavaFileObject> mapped = new ArrayList<JavaFileObject>(); |
jjg@610 | 104 | for (JavaFileObject fileObject : fileObjects) |
jjg@610 | 105 | mapped.add(wrap(fileObject)); |
jjg@610 | 106 | return Collections.unmodifiableList(mapped); |
jjg@610 | 107 | } |
jjg@610 | 108 | |
jjg@610 | 109 | public void setLocation(Location location, Iterable<? extends File> path) throws IOException { |
jjg@610 | 110 | fileManager.setLocation(location, path); |
jjg@610 | 111 | } |
jjg@610 | 112 | |
jjg@610 | 113 | public Iterable<? extends File> getLocation(Location location) { |
jjg@610 | 114 | return fileManager.getLocation(location); |
jjg@610 | 115 | } |
jjg@610 | 116 | |
jjg@610 | 117 | class WrappedFileObject implements JavaFileObject { |
jjg@610 | 118 | WrappedFileObject(JavaFileObject fileObject) { |
jjg@610 | 119 | delegate = fileObject; |
jjg@610 | 120 | } |
jjg@610 | 121 | |
jjg@610 | 122 | public Kind getKind() { |
jjg@610 | 123 | return delegate.getKind(); |
jjg@610 | 124 | } |
jjg@610 | 125 | |
jjg@610 | 126 | public boolean isNameCompatible(String simpleName, Kind kind) { |
jjg@610 | 127 | return delegate.isNameCompatible(simpleName, kind); |
jjg@610 | 128 | } |
jjg@610 | 129 | |
jjg@610 | 130 | public NestingKind getNestingKind() { |
jjg@610 | 131 | return delegate.getNestingKind(); |
jjg@610 | 132 | } |
jjg@610 | 133 | |
jjg@610 | 134 | public Modifier getAccessLevel() { |
jjg@610 | 135 | return delegate.getAccessLevel(); |
jjg@610 | 136 | } |
jjg@610 | 137 | |
jjg@610 | 138 | public URI toUri() { |
jjg@610 | 139 | return delegate.toUri(); |
jjg@610 | 140 | } |
jjg@610 | 141 | |
jjg@610 | 142 | public String getName() { |
jjg@610 | 143 | return delegate.getName(); |
jjg@610 | 144 | } |
jjg@610 | 145 | |
jjg@610 | 146 | public InputStream openInputStream() throws IOException { |
jjg@610 | 147 | checkRead(); |
jjg@610 | 148 | return delegate.openInputStream(); |
jjg@610 | 149 | } |
jjg@610 | 150 | |
jjg@610 | 151 | public OutputStream openOutputStream() throws IOException { |
jjg@610 | 152 | checkWrite(); |
jjg@610 | 153 | return delegate.openOutputStream(); |
jjg@610 | 154 | } |
jjg@610 | 155 | |
jjg@610 | 156 | public Reader openReader(boolean ignoreEncodingErrors) throws IOException { |
jjg@610 | 157 | checkRead(); |
jjg@610 | 158 | return delegate.openReader(ignoreEncodingErrors); |
jjg@610 | 159 | } |
jjg@610 | 160 | |
jjg@610 | 161 | public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException { |
jjg@610 | 162 | checkRead(); |
jjg@610 | 163 | return delegate.getCharContent(ignoreEncodingErrors); |
jjg@610 | 164 | } |
jjg@610 | 165 | |
jjg@610 | 166 | public Writer openWriter() throws IOException { |
jjg@610 | 167 | checkWrite(); |
jjg@610 | 168 | return delegate.openWriter(); |
jjg@610 | 169 | } |
jjg@610 | 170 | |
jjg@610 | 171 | public long getLastModified() { |
jjg@610 | 172 | return delegate.getLastModified(); |
jjg@610 | 173 | } |
jjg@610 | 174 | |
jjg@610 | 175 | public boolean delete() { |
jjg@610 | 176 | return delegate.delete(); |
jjg@610 | 177 | } |
jjg@610 | 178 | |
jjg@610 | 179 | void checkRead() throws IOException { |
jjg@708 | 180 | String canonName = getName().replace(File.separatorChar, '/'); |
jjg@708 | 181 | if (cantRead != null && cantRead.matcher(canonName).matches()) |
jjg@610 | 182 | throw new IOException("FileManager: Can't read"); |
jjg@610 | 183 | } |
jjg@610 | 184 | |
jjg@610 | 185 | void checkWrite() throws IOException { |
jjg@708 | 186 | String canonName = getName().replace(File.separatorChar, '/'); |
jjg@708 | 187 | if (cantWrite != null && cantWrite.matcher(canonName).matches()) |
jjg@610 | 188 | throw new IOException("FileManager: Can't write"); |
jjg@610 | 189 | } |
jjg@610 | 190 | |
jjg@610 | 191 | JavaFileObject delegate; |
jjg@610 | 192 | } |
jjg@610 | 193 | } |