langtools/src/share/classes/com/sun/tools/javap/JavapFileManager.java
author jjg
Wed, 18 Jun 2008 16:53:08 -0700
changeset 733 b76c4357c649
parent 731 1dd22bdb9ca5
child 735 372aa565a221
child 809 2106a64c0a38
permissions -rw-r--r--
6715767: javap on java.lang.ClassLoader crashes Reviewed-by: ksrini
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/*
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 * Copyright 2007 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.javap;
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import java.io.File;
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import java.io.PrintWriter;
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import java.nio.charset.Charset;
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import javax.tools.Diagnostic;
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import javax.tools.DiagnosticListener;
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import javax.tools.JavaFileObject;
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import com.sun.tools.javac.file.JavacFileManager;
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import com.sun.tools.javac.util.Context;
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import com.sun.tools.javac.util.JCDiagnostic;
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/**
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 *  javap's implementation of JavaFileManager.
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 *
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 *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
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 *  you write code that depends on this, you do so at your own risk.
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 *  This code and its internal interfaces are subject to change or
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 *  deletion without notice.</b>
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 */
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class JavapFileManager extends JavacFileManager {
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    private JavapFileManager(Context context, Charset charset) {
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        super(context, true, charset);
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    }
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    static JavapFileManager create(final DiagnosticListener<? super JavaFileObject> dl, PrintWriter log, Options options) {
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        Context javac_context = new Context();
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        if (dl != null) {
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            // Workaround bug 6625520: javac handles missing entries on classpath badly
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            // Ignore spurious errors for missing files
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            DiagnosticListener<JavaFileObject> wrapper = new DiagnosticListener<JavaFileObject>() {
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                public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
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                    if (diagnostic instanceof JCDiagnostic) {
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                        JCDiagnostic jcd = (JCDiagnostic) diagnostic;
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                        if (jcd.getCode().equals("compiler.err.error.reading.file")) {
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                            Object[] args = jcd.getArgs();
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                            if (args.length > 0 && args[0] != null && args[0].toString().length() > 0) {
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                                File f = new File(args[0].toString());
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                                if (!f.exists())
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                                    return;
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                            }
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                        }
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                    }
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                    dl.report(diagnostic);
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                }
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            };
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            javac_context.put(DiagnosticListener.class, wrapper);
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        }
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        javac_context.put(com.sun.tools.javac.util.Log.outKey, log);
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        return new JavapFileManager(javac_context, null);
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    }
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    void setIgnoreSymbolFile(boolean b) {
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        ignoreSymbolFile = b;
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    }
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}