| /* |
| * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.javah; |
| |
| import java.io.PrintWriter; |
| import java.text.MessageFormat; |
| import java.util.Locale; |
| import java.util.ResourceBundle; |
| import java.util.MissingResourceException; |
| import javax.tools.Diagnostic; |
| import javax.tools.Diagnostic.Kind; |
| import javax.tools.DiagnosticListener; |
| import javax.tools.JavaFileObject; |
| |
| import com.sun.tools.javac.util.DefinedBy; |
| import com.sun.tools.javac.util.DefinedBy.Api; |
| |
| /** |
| * Messages, verbose and error handling support. |
| * |
| * For errors, the failure modes are: |
| * error -- User did something wrong |
| * bug -- Bug has occurred in javah |
| * fatal -- We can't even find resources, so bail fast, don't localize |
| * |
| * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own |
| * risk. This code and its internal interfaces are subject to change |
| * or deletion without notice.</b></p> |
| */ |
| public class Util { |
| /** Exit is used to replace the use of System.exit in the original javah. |
| */ |
| public static class Exit extends Error { |
| private static final long serialVersionUID = 430820978114067221L; |
| Exit(int exitValue) { |
| this(exitValue, null); |
| } |
| |
| Exit(int exitValue, Throwable cause) { |
| super(cause); |
| this.exitValue = exitValue; |
| this.cause = cause; |
| } |
| |
| Exit(Exit e) { |
| this(e.exitValue, e.cause); |
| } |
| |
| public final int exitValue; |
| public final Throwable cause; |
| } |
| |
| /* |
| * Help for verbosity. |
| */ |
| public boolean verbose = false; |
| |
| public PrintWriter log; |
| public DiagnosticListener<? super JavaFileObject> dl; |
| |
| Util(PrintWriter log, DiagnosticListener<? super JavaFileObject> dl) { |
| this.log = log; |
| this.dl = dl; |
| } |
| |
| public void log(String s) { |
| log.println(s); |
| } |
| |
| |
| /* |
| * Help for loading localized messages. |
| */ |
| private ResourceBundle m; |
| |
| private void initMessages() throws Exit { |
| try { |
| m = ResourceBundle.getBundle("com.sun.tools.javah.resources.l10n"); |
| } catch (MissingResourceException mre) { |
| fatal("Error loading resources. Please file a bug report.", mre); |
| } |
| } |
| |
| private String getText(String key, Object... args) throws Exit { |
| if (m == null) |
| initMessages(); |
| try { |
| return MessageFormat.format(m.getString(key), args); |
| } catch (MissingResourceException e) { |
| fatal("Key " + key + " not found in resources.", e); |
| } |
| return null; /* dead code */ |
| } |
| |
| /* |
| * Usage message. |
| */ |
| public void usage() throws Exit { |
| log.println(getText("usage")); |
| } |
| |
| public void version() throws Exit { |
| log.println(getText("javah.version", |
| System.getProperty("java.version"), null)); |
| } |
| |
| /* |
| * Failure modes. |
| */ |
| public void bug(String key) throws Exit { |
| bug(key, null); |
| } |
| |
| public void bug(String key, Exception e) throws Exit { |
| dl.report(createDiagnostic(Diagnostic.Kind.ERROR, key)); |
| dl.report(createDiagnostic(Diagnostic.Kind.NOTE, "bug.report")); |
| throw new Exit(11, e); |
| } |
| |
| public void error(String key, Object... args) throws Exit { |
| dl.report(createDiagnostic(Diagnostic.Kind.ERROR, key, args)); |
| throw new Exit(15); |
| } |
| |
| private void fatal(String msg, Exception e) throws Exit { |
| dl.report(createDiagnostic(Diagnostic.Kind.ERROR, "", msg)); |
| throw new Exit(10, e); |
| } |
| |
| private Diagnostic<JavaFileObject> createDiagnostic( |
| final Diagnostic.Kind kind, final String code, final Object... args) { |
| return new Diagnostic<JavaFileObject>() { |
| @DefinedBy(Api.COMPILER) |
| public String getCode() { |
| return code; |
| } |
| @DefinedBy(Api.COMPILER) |
| public long getColumnNumber() { |
| return Diagnostic.NOPOS; |
| } |
| @DefinedBy(Api.COMPILER) |
| public long getEndPosition() { |
| return Diagnostic.NOPOS; |
| } |
| @DefinedBy(Api.COMPILER) |
| public Kind getKind() { |
| return kind; |
| } |
| @DefinedBy(Api.COMPILER) |
| public long getLineNumber() { |
| return Diagnostic.NOPOS; |
| } |
| @DefinedBy(Api.COMPILER) |
| public String getMessage(Locale locale) { |
| if (code.length() == 0) |
| return (String) args[0]; |
| return getText(code, args); // FIXME locale |
| } |
| @DefinedBy(Api.COMPILER) |
| public long getPosition() { |
| return Diagnostic.NOPOS; |
| } |
| @DefinedBy(Api.COMPILER) |
| public JavaFileObject getSource() { |
| return null; |
| } |
| @DefinedBy(Api.COMPILER) |
| public long getStartPosition() { |
| return Diagnostic.NOPOS; |
| } |
| }; |
| } |
| } |