src/share/classes/com/sun/tools/javadoc/JavadocClassReader.java

Tue, 16 Sep 2008 18:35:18 -0700

author
jjg
date
Tue, 16 Sep 2008 18:35:18 -0700
changeset 113
eff38cc97183
parent 62
07c916ecfc71
child 197
1bf037016426
permissions
-rw-r--r--

6574134: Allow for alternative implementation of Name Table with garbage collection of name bytes
Reviewed-by: darcy, mcimadamore

     1 /*
     2  * Copyright 2001-2008 Sun Microsystems, Inc.  All Rights Reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.  Sun designates this
     8  * particular file as subject to the "Classpath" exception as provided
     9  * by Sun in the LICENSE file that accompanied this code.
    10  *
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    14  * version 2 for more details (a copy is included in the LICENSE file that
    15  * accompanied this code).
    16  *
    17  * You should have received a copy of the GNU General Public License version
    18  * 2 along with this work; if not, write to the Free Software Foundation,
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    20  *
    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    22  * CA 95054 USA or visit www.sun.com if you need additional information or
    23  * have any questions.
    24  */
    26 package com.sun.tools.javadoc;
    28 import com.sun.tools.javac.code.Symbol.PackageSymbol;
    29 import com.sun.tools.javac.file.JavacFileManager;
    30 import com.sun.tools.javac.file.ZipArchive.ZipFileObject;
    31 import com.sun.tools.javac.file.Old199;
    32 import com.sun.tools.javac.file.ZipFileIndexArchive;
    33 import com.sun.tools.javac.jvm.ClassReader;
    34 import com.sun.tools.javac.util.Context;
    36 import java.io.File;
    37 import java.util.EnumSet;
    38 import javax.tools.JavaFileObject;
    40 /** Javadoc uses an extended class reader that records package.html entries
    41  *  @author Neal Gafter
    42  */
    43 class JavadocClassReader extends ClassReader {
    45     public static JavadocClassReader instance0(Context context) {
    46         ClassReader instance = context.get(classReaderKey);
    47         if (instance == null)
    48             instance = new JavadocClassReader(context);
    49         return (JavadocClassReader)instance;
    50     }
    52     public static void preRegister(final Context context) {
    53         context.put(classReaderKey, new Context.Factory<ClassReader>() {
    54             public ClassReader make() {
    55                 return new JavadocClassReader(context);
    56             }
    57         });
    58     }
    60     private DocEnv docenv;
    61     private EnumSet<JavaFileObject.Kind> all = EnumSet.of(JavaFileObject.Kind.CLASS,
    62                                                           JavaFileObject.Kind.SOURCE,
    63                                                           JavaFileObject.Kind.HTML);
    64     private EnumSet<JavaFileObject.Kind> noSource = EnumSet.of(JavaFileObject.Kind.CLASS,
    65                                                                JavaFileObject.Kind.HTML);
    67     private JavadocClassReader(Context context) {
    68         super(context, true);
    69         docenv = DocEnv.instance(context);
    70     }
    72     /**
    73      * Override getPackageFileKinds to include search for package.html
    74      */
    75     @Override
    76     protected EnumSet<JavaFileObject.Kind> getPackageFileKinds() {
    77         return docenv.docClasses ? noSource : all;
    78     }
    80     /**
    81      * Override extraFileActions to check for package documentation
    82      */
    83     @Override
    84     protected void extraFileActions(PackageSymbol pack, JavaFileObject fo) {
    85         CharSequence fileName = Old199.getName(fo);
    86         if (docenv != null && fileName.equals("package.html")) {
    87             if (fo instanceof ZipFileObject) {
    88                 ZipFileObject zfo = (ZipFileObject) fo;
    89                 String zipName = zfo.getZipName();
    90                 String entryName = zfo.getZipEntryName();
    91                 int lastSep = entryName.lastIndexOf("/");
    92                 String classPathName = entryName.substring(0, lastSep + 1);
    93                 docenv.getPackageDoc(pack).setDocPath(zipName, classPathName);
    94             }
    95             else if (fo instanceof ZipFileIndexArchive.ZipFileIndexFileObject) {
    96                 ZipFileIndexArchive.ZipFileIndexFileObject zfo = (ZipFileIndexArchive.ZipFileIndexFileObject) fo;
    97                 String zipName = zfo.getZipName();
    98                 String entryName = zfo.getZipEntryName();
    99                 if (File.separatorChar != '/') {
   100                     entryName = entryName.replace(File.separatorChar, '/');
   101                 }
   103                 int lastSep = entryName.lastIndexOf("/");
   104                 String classPathName = entryName.substring(0, lastSep + 1);
   105                 docenv.getPackageDoc(pack).setDocPath(zipName, classPathName);
   106             }
   107             else {
   108                 File fileDir = new File(Old199.getPath(fo)).getParentFile();
   109                 docenv.getPackageDoc(pack).setDocPath(fileDir.getAbsolutePath());
   110             }
   111         }
   112     }
   113 }

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