langtools/src/share/classes/com/sun/tools/javac/file/SymbolArchive.java
author jjg
Tue, 26 Aug 2008 14:52:59 -0700
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child 3380 a6c2bcab0fec
permissions -rw-r--r--
6508981: cleanup file separator handling in JavacFileManager Reviewed-by: mcimadamore
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/*
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 * Copyright 2005-2008 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Sun designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Sun in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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package com.sun.tools.javac.file;
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import java.io.File;
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import java.io.IOException;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipFile;
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import javax.tools.JavaFileObject;
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import com.sun.tools.javac.file.RelativePath.RelativeDirectory;
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import com.sun.tools.javac.file.RelativePath.RelativeFile;
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import com.sun.tools.javac.util.List;
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public class SymbolArchive extends ZipArchive {
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    final File origFile;
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    final RelativeDirectory prefix;
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    public SymbolArchive(JavacFileManager fileManager, File orig, ZipFile zdir, RelativeDirectory prefix) throws IOException {
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        super(fileManager, zdir, false);
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        this.origFile = orig;
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        this.prefix = prefix;
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        initMap();
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    }
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    @Override
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    void addZipEntry(ZipEntry entry) {
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        String name = entry.getName();
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        if (!name.startsWith(prefix.path)) {
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            return;
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        }
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        name = name.substring(prefix.path.length());
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        int i = name.lastIndexOf('/');
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        RelativeDirectory dirname = new RelativeDirectory(name.substring(0, i+1));
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        String basename = name.substring(i + 1);
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        if (basename.length() == 0) {
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            return;
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        }
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        List<String> list = map.get(dirname);
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        if (list == null)
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            list = List.nil();
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        list = list.prepend(basename);
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        map.put(dirname, list);
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    }
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    public JavaFileObject getFileObject(RelativeDirectory subdirectory, String file) {
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        RelativeDirectory prefix_subdir = new RelativeDirectory(prefix, subdirectory.path);
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        ZipEntry ze = new RelativeFile(prefix_subdir, file).getZipEntry(zdir);
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        return new SymbolFileObject(this, file, ze);
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    }
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    public String toString() {
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        return "SymbolArchive[" + zdir.getName() + "]";
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    }
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    /**
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     * A subclass of JavaFileObject representing zip entries in a symbol file.
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     */
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    public static class SymbolFileObject extends ZipFileObject {
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        protected SymbolFileObject(SymbolArchive zarch, String name, ZipEntry entry) {
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            super(zarch, name, entry);
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        }
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        @Override
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        protected String inferBinaryName(Iterable<? extends File> path) {
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            String entryName = getZipEntryName();
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            String prefix = ((SymbolArchive) zarch).prefix.path;
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            if (entryName.startsWith(prefix))
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                entryName = entryName.substring(prefix.length());
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            return removeExtension(entryName).replace('/', '.');
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        }
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    }
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}