Tue, 25 Sep 2012 13:11:05 -0700
7196464: upgrade JavaCompiler.shouldStopPolicy to accomodate policies in face of error and no error
Reviewed-by: mcimadamore
duke@1 | 1 | /* |
ohair@554 | 2 | * Copyright (c) 2005, 2009, Oracle and/or its affiliates. All rights reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
duke@1 | 10 | * |
duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 15 | * accompanied this code). |
duke@1 | 16 | * |
duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 20 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
jjg@50 | 26 | package com.sun.tools.javac.file; |
duke@1 | 27 | |
jjg@57 | 28 | import java.io.File; |
duke@1 | 29 | import java.io.IOException; |
duke@1 | 30 | import java.io.InputStreamReader; |
duke@1 | 31 | import java.io.Reader; |
jjg@400 | 32 | import java.net.URI; |
jjg@400 | 33 | import java.net.URISyntaxException; |
duke@1 | 34 | import java.nio.charset.CharsetDecoder; |
duke@1 | 35 | import javax.lang.model.element.Modifier; |
duke@1 | 36 | import javax.lang.model.element.NestingKind; |
jjg@415 | 37 | import javax.tools.FileObject; |
duke@1 | 38 | import javax.tools.JavaFileObject; |
duke@1 | 39 | |
duke@1 | 40 | import static javax.tools.JavaFileObject.Kind.*; |
duke@1 | 41 | |
jjg@450 | 42 | import com.sun.tools.javac.util.BaseFileManager; |
jjg@450 | 43 | |
jjg@333 | 44 | /** |
jjg@581 | 45 | * <p><b>This is NOT part of any supported API. |
jjg@333 | 46 | * If you write code that depends on this, you do so at your own risk. |
jjg@333 | 47 | * This code and its internal interfaces are subject to change or |
jjg@333 | 48 | * deletion without notice.</b> |
jjg@333 | 49 | */ |
duke@1 | 50 | public abstract class BaseFileObject implements JavaFileObject { |
jjg@57 | 51 | protected BaseFileObject(JavacFileManager fileManager) { |
jjg@57 | 52 | this.fileManager = fileManager; |
jjg@57 | 53 | } |
duke@1 | 54 | |
jjg@415 | 55 | /** Return a short name for the object, such as for use in raw diagnostics |
jjg@415 | 56 | */ |
jjg@415 | 57 | public abstract String getShortName(); |
duke@1 | 58 | |
duke@1 | 59 | @Override |
duke@1 | 60 | public String toString() { |
jjg@415 | 61 | return getClass().getSimpleName() + "[" + getName() + "]"; |
duke@1 | 62 | } |
duke@1 | 63 | |
duke@1 | 64 | public NestingKind getNestingKind() { return null; } |
duke@1 | 65 | |
duke@1 | 66 | public Modifier getAccessLevel() { return null; } |
duke@1 | 67 | |
duke@1 | 68 | public Reader openReader(boolean ignoreEncodingErrors) throws IOException { |
duke@1 | 69 | return new InputStreamReader(openInputStream(), getDecoder(ignoreEncodingErrors)); |
duke@1 | 70 | } |
duke@1 | 71 | |
duke@1 | 72 | protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) { |
duke@1 | 73 | throw new UnsupportedOperationException(); |
duke@1 | 74 | } |
duke@1 | 75 | |
jjg@57 | 76 | protected abstract String inferBinaryName(Iterable<? extends File> path); |
jjg@57 | 77 | |
jjg@415 | 78 | protected static JavaFileObject.Kind getKind(String filename) { |
jjg@450 | 79 | return BaseFileManager.getKind(filename); |
jjg@415 | 80 | } |
jjg@415 | 81 | |
jjg@57 | 82 | protected static String removeExtension(String fileName) { |
jjg@57 | 83 | int lastDot = fileName.lastIndexOf("."); |
jjg@57 | 84 | return (lastDot == -1 ? fileName : fileName.substring(0, lastDot)); |
jjg@57 | 85 | } |
jjg@57 | 86 | |
jjg@400 | 87 | protected static URI createJarUri(File jarFile, String entryName) { |
jjg@400 | 88 | URI jarURI = jarFile.toURI().normalize(); |
jjg@400 | 89 | String separator = entryName.startsWith("/") ? "!" : "!/"; |
jjg@400 | 90 | try { |
jjg@400 | 91 | // The jar URI convention appears to be not to re-encode the jarURI |
jjg@400 | 92 | return new URI("jar:" + jarURI + separator + entryName); |
jjg@400 | 93 | } catch (URISyntaxException e) { |
jjg@400 | 94 | throw new CannotCreateUriError(jarURI + separator + entryName, e); |
jjg@400 | 95 | } |
jjg@400 | 96 | } |
jjg@400 | 97 | |
jjg@400 | 98 | /** Used when URLSyntaxException is thrown unexpectedly during |
jjg@400 | 99 | * implementations of (Base)FileObject.toURI(). */ |
jjg@400 | 100 | protected static class CannotCreateUriError extends Error { |
jjg@400 | 101 | private static final long serialVersionUID = 9101708840997613546L; |
jjg@400 | 102 | public CannotCreateUriError(String value, Throwable cause) { |
jjg@400 | 103 | super(value, cause); |
jjg@400 | 104 | } |
jjg@400 | 105 | } |
jjg@400 | 106 | |
jjg@415 | 107 | /** Return the last component of a presumed hierarchical URI. |
jjg@415 | 108 | * From the scheme specific part of the URI, it returns the substring |
jjg@415 | 109 | * after the last "/" if any, or everything if no "/" is found. |
jjg@415 | 110 | */ |
jjg@415 | 111 | public static String getSimpleName(FileObject fo) { |
jjg@415 | 112 | URI uri = fo.toUri(); |
jjg@415 | 113 | String s = uri.getSchemeSpecificPart(); |
jjg@415 | 114 | return s.substring(s.lastIndexOf("/") + 1); // safe when / not found |
jjg@415 | 115 | |
jjg@415 | 116 | } |
jjg@415 | 117 | |
jjg@424 | 118 | // force subtypes to define equals |
jjg@424 | 119 | @Override |
jjg@424 | 120 | public abstract boolean equals(Object other); |
jjg@424 | 121 | |
jjg@424 | 122 | // force subtypes to define hashCode |
jjg@424 | 123 | @Override |
jjg@424 | 124 | public abstract int hashCode(); |
jjg@424 | 125 | |
jjg@57 | 126 | /** The file manager that created this JavaFileObject. */ |
jjg@57 | 127 | protected final JavacFileManager fileManager; |
duke@1 | 128 | } |