author | jjg |
Wed, 29 Oct 2014 18:01:22 -0700 | |
changeset 27320 | f0739350a62d |
parent 25874 | 83c19f00452c |
child 27379 | 5ae894733e09 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2014, Oracle and/or its affiliates. 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. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.javadoc; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import java.io.PrintWriter; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.Map; |
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import javax.tools.JavaFileManager; |
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import javax.tools.JavaFileObject; |
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import com.sun.javadoc.*; |
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import com.sun.tools.javac.file.JavacFileManager; |
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import com.sun.tools.javac.main.CommandLine; |
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import com.sun.tools.javac.main.Option; |
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import com.sun.tools.javac.util.BaseFileManager; |
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import com.sun.tools.javac.util.ClientCodeException; |
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import com.sun.tools.javac.util.Context; |
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import com.sun.tools.javac.util.List; |
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import com.sun.tools.javac.util.ListBuffer; |
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import com.sun.tools.javac.util.Log; |
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import com.sun.tools.javac.util.Options; |
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import static com.sun.tools.javac.code.Flags.*; |
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/** |
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* Main program of Javadoc. |
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* Previously named "Main". |
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* |
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* <p><b>This is NOT part of any supported API. |
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* If 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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* @since 1.2 |
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* @author Robert Field |
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* @author Neal Gafter (rewrite) |
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*/ |
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public class Start extends ToolOption.Helper { |
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/** Context for this invocation. */ |
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private final Context context; |
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private final String defaultDocletClassName; |
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private final ClassLoader docletParentClassLoader; |
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private static final String javadocName = "javadoc"; |
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private static final String standardDocletClassName = |
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"com.sun.tools.doclets.standard.Standard"; |
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private final long defaultFilter = PUBLIC | PROTECTED; |
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private final Messager messager; |
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private DocletInvoker docletInvoker; |
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/** |
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* In API mode, exceptions thrown while calling the doclet are |
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* propagated using ClientCodeException. |
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*/ |
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private boolean apiMode; |
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private JavaFileManager fileManager; |
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private boolean closeFileManagerOnExit; |
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Start(String programName, |
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PrintWriter errWriter, |
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PrintWriter warnWriter, |
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PrintWriter noticeWriter, |
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String defaultDocletClassName) { |
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this(programName, errWriter, warnWriter, noticeWriter, defaultDocletClassName, null); |
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} |
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Start(String programName, |
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PrintWriter errWriter, |
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PrintWriter warnWriter, |
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PrintWriter noticeWriter, |
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String defaultDocletClassName, |
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ClassLoader docletParentClassLoader) { |
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context = new Context(); |
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messager = new Messager(context, programName, errWriter, warnWriter, noticeWriter); |
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this.defaultDocletClassName = defaultDocletClassName; |
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this.docletParentClassLoader = docletParentClassLoader; |
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} |
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Start(String programName, String defaultDocletClassName) { |
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this(programName, defaultDocletClassName, null); |
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} |
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Start(String programName, String defaultDocletClassName, |
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ClassLoader docletParentClassLoader) { |
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context = new Context(); |
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messager = new Messager(context, programName); |
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this.defaultDocletClassName = defaultDocletClassName; |
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this.docletParentClassLoader = docletParentClassLoader; |
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} |
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Start(String programName, ClassLoader docletParentClassLoader) { |
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this(programName, standardDocletClassName, docletParentClassLoader); |
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} |
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Start(String programName) { |
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this(programName, standardDocletClassName); |
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} |
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Start(ClassLoader docletParentClassLoader) { |
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this(javadocName, docletParentClassLoader); |
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} |
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Start() { |
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this(javadocName); |
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} |
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public Start(Context context) { |
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context.getClass(); // null check |
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this.context = context; |
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apiMode = true; |
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defaultDocletClassName = standardDocletClassName; |
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docletParentClassLoader = null; |
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Log log = context.get(Log.logKey); |
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if (log instanceof Messager) |
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messager = (Messager) log; |
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else { |
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PrintWriter out = context.get(Log.outKey); |
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messager = (out == null) ? new Messager(context, javadocName) |
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: new Messager(context, javadocName, out, out, out); |
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} |
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} |
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/** |
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* Usage |
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*/ |
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@Override |
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void usage() { |
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usage(true); |
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} |
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void usage(boolean exit) { |
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usage("main.usage", "-help", null, exit); |
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} |
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@Override |
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void Xusage() { |
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Xusage(true); |
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} |
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void Xusage(boolean exit) { |
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usage("main.Xusage", "-X", "main.Xusage.foot", exit); |
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} |
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private void usage(String main, String doclet, String foot, boolean exit) { |
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// RFE: it would be better to replace the following with code to |
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// write a header, then help for each option, then a footer. |
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messager.notice(main); |
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// let doclet print usage information (does nothing on error) |
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if (docletInvoker != null) { |
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// RFE: this is a pretty bad way to get the doclet to show |
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// help info. Moreover, the output appears on stdout, |
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// and <i>not</i> on any of the standard streams passed |
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// to javadoc, and in particular, not to the noticeWriter |
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// But, to fix this, we need to fix the Doclet API. |
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docletInvoker.optionLength(doclet); |
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} |
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if (foot != null) |
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messager.notice(foot); |
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if (exit) exit(); |
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} |
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/** |
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* Exit |
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*/ |
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private void exit() { |
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messager.exit(); |
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} |
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/** |
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* Main program - external wrapper |
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*/ |
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int begin(String... argv) { |
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boolean ok = begin(null, argv, Collections.<JavaFileObject> emptySet()); |
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return ok ? 0 : 1; |
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} |
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public boolean begin(Class<?> docletClass, Iterable<String> options, Iterable<? extends JavaFileObject> fileObjects) { |
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Collection<String> opts = new ArrayList<>(); |
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for (String opt: options) opts.add(opt); |
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return begin(docletClass, opts.toArray(new String[opts.size()]), fileObjects); |
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} |
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private boolean begin(Class<?> docletClass, String[] options, Iterable<? extends JavaFileObject> fileObjects) { |
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boolean failed = false; |
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try { |
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failed = !parseAndExecute(docletClass, options, fileObjects); |
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} catch (Messager.ExitJavadoc exc) { |
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// ignore, we just exit this way |
230 |
} catch (OutOfMemoryError ee) { |
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messager.error(Messager.NOPOS, "main.out.of.memory"); |
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failed = true; |
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} catch (ClientCodeException e) { |
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// simply rethrow these exceptions, to be caught and handled by JavadocTaskImpl |
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throw e; |
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} catch (Error ee) { |
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ee.printStackTrace(System.err); |
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messager.error(Messager.NOPOS, "main.fatal.error"); |
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failed = true; |
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} catch (Exception ee) { |
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ee.printStackTrace(System.err); |
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messager.error(Messager.NOPOS, "main.fatal.exception"); |
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failed = true; |
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} finally { |
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if (fileManager != null && closeFileManagerOnExit) { |
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try { |
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fileManager.close(); |
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} catch (IOException ignore) { |
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} |
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} |
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messager.exitNotice(); |
252 |
messager.flush(); |
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} |
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failed |= messager.nerrors() > 0; |
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failed |= rejectWarnings && messager.nwarnings() > 0; |
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return !failed; |
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} |
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/** |
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260 |
* Main program - internal |
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261 |
*/ |
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private boolean parseAndExecute( |
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Class<?> docletClass, |
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String[] argv, |
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Iterable<? extends JavaFileObject> fileObjects) throws IOException { |
10 | 266 |
long tm = System.currentTimeMillis(); |
267 |
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ListBuffer<String> javaNames = new ListBuffer<>(); |
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|
270 |
// Preprocess @file arguments |
|
271 |
try { |
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272 |
argv = CommandLine.parse(argv); |
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273 |
} catch (FileNotFoundException e) { |
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messager.error(Messager.NOPOS, "main.cant.read", e.getMessage()); |
10 | 275 |
exit(); |
276 |
} catch (IOException e) { |
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e.printStackTrace(System.err); |
10 | 278 |
exit(); |
279 |
} |
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fileManager = context.get(JavaFileManager.class); |
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setDocletInvoker(docletClass, fileManager, argv); |
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compOpts = Options.instance(context); |
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// Make sure no obsolete source/target messages are reported |
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288 |
compOpts.put("-Xlint:-options", "-Xlint:-options"); |
10 | 289 |
|
290 |
// Parse arguments |
|
291 |
for (int i = 0 ; i < argv.length ; i++) { |
|
292 |
String arg = argv[i]; |
|
14543 | 293 |
|
294 |
ToolOption o = ToolOption.get(arg); |
|
295 |
if (o != null) { |
|
296 |
// hack: this restriction should be removed |
|
297 |
if (o == ToolOption.LOCALE && i > 0) |
|
298 |
usageError("main.locale_first"); |
|
299 |
||
300 |
if (o.hasArg) { |
|
301 |
oneArg(argv, i++); |
|
302 |
o.process(this, argv[i]); |
|
303 |
} else { |
|
304 |
setOption(arg); |
|
305 |
o.process(this); |
|
10 | 306 |
} |
14543 | 307 |
|
10 | 308 |
} else if (arg.startsWith("-XD")) { |
14543 | 309 |
// hidden javac options |
10 | 310 |
String s = arg.substring("-XD".length()); |
311 |
int eq = s.indexOf('='); |
|
312 |
String key = (eq < 0) ? s : s.substring(0, eq); |
|
313 |
String value = (eq < 0) ? s : s.substring(eq+1); |
|
314 |
compOpts.put(key, value); |
|
315 |
} |
|
316 |
// call doclet for its options |
|
317 |
// other arg starts with - is invalid |
|
14543 | 318 |
else if (arg.startsWith("-")) { |
10 | 319 |
int optionLength; |
320 |
optionLength = docletInvoker.optionLength(arg); |
|
321 |
if (optionLength < 0) { |
|
322 |
// error already displayed |
|
323 |
exit(); |
|
324 |
} else if (optionLength == 0) { |
|
325 |
// option not found |
|
326 |
usageError("main.invalid_flag", arg); |
|
327 |
} else { |
|
328 |
// doclet added option |
|
329 |
if ((i + optionLength) > argv.length) { |
|
330 |
usageError("main.requires_argument", arg); |
|
331 |
} |
|
22163 | 332 |
ListBuffer<String> args = new ListBuffer<>(); |
10 | 333 |
for (int j = 0; j < optionLength-1; ++j) { |
334 |
args.append(argv[++i]); |
|
335 |
} |
|
336 |
setOption(arg, args.toList()); |
|
337 |
} |
|
338 |
} else { |
|
339 |
javaNames.append(arg); |
|
340 |
} |
|
341 |
} |
|
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|
342 |
|
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|
343 |
if (fileManager == null) { |
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|
344 |
JavacFileManager.preRegister(context); |
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|
345 |
fileManager = context.get(JavaFileManager.class); |
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346 |
closeFileManagerOnExit = true; |
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|
347 |
} |
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|
348 |
if (fileManager instanceof BaseFileManager) { |
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|
349 |
((BaseFileManager) fileManager).handleOptions(fileManagerOpts); |
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|
350 |
} |
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|
351 |
|
14442 | 352 |
compOpts.notifyListeners(); |
10 | 353 |
|
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|
354 |
if (javaNames.isEmpty() && subPackages.isEmpty() && isEmpty(fileObjects)) { |
10 | 355 |
usageError("main.No_packages_or_classes_specified"); |
356 |
} |
|
357 |
||
358 |
if (!docletInvoker.validOptions(options.toList())) { |
|
359 |
// error message already displayed |
|
360 |
exit(); |
|
361 |
} |
|
362 |
||
363 |
JavadocTool comp = JavadocTool.make0(context); |
|
364 |
if (comp == null) return false; |
|
365 |
||
366 |
if (showAccess == null) { |
|
367 |
setFilter(defaultFilter); |
|
368 |
} |
|
369 |
||
370 |
LanguageVersion languageVersion = docletInvoker.languageVersion(); |
|
371 |
RootDocImpl root = comp.getRootDocImpl( |
|
14543 | 372 |
docLocale, |
373 |
encoding, |
|
374 |
showAccess, |
|
375 |
javaNames.toList(), |
|
376 |
options.toList(), |
|
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|
377 |
fileObjects, |
14543 | 378 |
breakiterator, |
379 |
subPackages.toList(), |
|
380 |
excludedPackages.toList(), |
|
10 | 381 |
docClasses, |
382 |
// legacy? |
|
14543 | 383 |
languageVersion == null || languageVersion == LanguageVersion.JAVA_1_1, |
384 |
quiet); |
|
10 | 385 |
|
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|
386 |
// release resources |
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|
387 |
comp = null; |
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|
388 |
|
10 | 389 |
// pass off control to the doclet |
390 |
boolean ok = root != null; |
|
391 |
if (ok) ok = docletInvoker.start(root); |
|
392 |
||
393 |
// We're done. |
|
394 |
if (compOpts.get("-verbose") != null) { |
|
395 |
tm = System.currentTimeMillis() - tm; |
|
396 |
messager.notice("main.done_in", Long.toString(tm)); |
|
397 |
} |
|
398 |
||
399 |
return ok; |
|
400 |
} |
|
401 |
||
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|
402 |
private <T> boolean isEmpty(Iterable<T> iter) { |
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|
403 |
return !iter.iterator().hasNext(); |
2e7bab0639b8
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|
404 |
} |
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|
405 |
|
2e7bab0639b8
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|
406 |
/** |
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|
407 |
* Init the doclet invoker. |
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|
408 |
* The doclet class may be given explicitly, or via the -doclet option in |
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changeset
|
409 |
* argv. |
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|
410 |
* If the doclet class is not given explicitly, it will be loaded from |
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|
411 |
* the file manager's DOCLET_PATH location, if available, or via the |
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changeset
|
412 |
* -doclet path option in argv. |
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|
413 |
* @param docletClass The doclet class. May be null. |
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|
414 |
* @param fileManager The file manager used to get the class loader to load |
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changeset
|
415 |
* the doclet class if required. May be null. |
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|
416 |
* @param argv Args containing -doclet and -docletpath, in case they are required. |
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|
417 |
*/ |
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changeset
|
418 |
private void setDocletInvoker(Class<?> docletClass, JavaFileManager fileManager, String[] argv) { |
2e7bab0639b8
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|
419 |
if (docletClass != null) { |
2e7bab0639b8
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|
420 |
docletInvoker = new DocletInvoker(messager, docletClass, apiMode); |
2e7bab0639b8
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changeset
|
421 |
// TODO, check no -doclet, -docletpath |
2e7bab0639b8
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changeset
|
422 |
return; |
2e7bab0639b8
6493690: javadoc should have a javax.tools.Tool service provider installed in tools.jar
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diff
changeset
|
423 |
} |
2e7bab0639b8
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changeset
|
424 |
|
10 | 425 |
String docletClassName = null; |
426 |
String docletPath = null; |
|
427 |
||
428 |
// Parse doclet specifying arguments |
|
429 |
for (int i = 0 ; i < argv.length ; i++) { |
|
430 |
String arg = argv[i]; |
|
14545
2e7bab0639b8
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jjg
parents:
14543
diff
changeset
|
431 |
if (arg.equals(ToolOption.DOCLET.opt)) { |
10 | 432 |
oneArg(argv, i++); |
433 |
if (docletClassName != null) { |
|
434 |
usageError("main.more_than_one_doclet_specified_0_and_1", |
|
435 |
docletClassName, argv[i]); |
|
436 |
} |
|
437 |
docletClassName = argv[i]; |
|
14545
2e7bab0639b8
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jjg
parents:
14543
diff
changeset
|
438 |
} else if (arg.equals(ToolOption.DOCLETPATH.opt)) { |
10 | 439 |
oneArg(argv, i++); |
440 |
if (docletPath == null) { |
|
441 |
docletPath = argv[i]; |
|
442 |
} else { |
|
443 |
docletPath += File.pathSeparator + argv[i]; |
|
444 |
} |
|
445 |
} |
|
446 |
} |
|
447 |
||
448 |
if (docletClassName == null) { |
|
449 |
docletClassName = defaultDocletClassName; |
|
450 |
} |
|
451 |
||
452 |
// attempt to find doclet |
|
14545
2e7bab0639b8
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jjg
parents:
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diff
changeset
|
453 |
docletInvoker = new DocletInvoker(messager, fileManager, |
2e7bab0639b8
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jjg
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diff
changeset
|
454 |
docletClassName, docletPath, |
2e7bab0639b8
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jjg
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diff
changeset
|
455 |
docletParentClassLoader, |
2e7bab0639b8
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jjg
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diff
changeset
|
456 |
apiMode); |
10 | 457 |
} |
458 |
||
459 |
/** |
|
460 |
* Set one arg option. |
|
461 |
* Error and exit if one argument is not provided. |
|
462 |
*/ |
|
463 |
private void oneArg(String[] args, int index) { |
|
464 |
if ((index + 1) < args.length) { |
|
465 |
setOption(args[index], args[index+1]); |
|
466 |
} else { |
|
467 |
usageError("main.requires_argument", args[index]); |
|
468 |
} |
|
469 |
} |
|
470 |
||
14543 | 471 |
@Override |
472 |
void usageError(String key, Object... args) { |
|
473 |
messager.error(Messager.NOPOS, key, args); |
|
474 |
usage(true); |
|
10 | 475 |
} |
476 |
||
477 |
/** |
|
478 |
* indicate an option with no arguments was given. |
|
479 |
*/ |
|
480 |
private void setOption(String opt) { |
|
481 |
String[] option = { opt }; |
|
482 |
options.append(option); |
|
483 |
} |
|
484 |
||
485 |
/** |
|
486 |
* indicate an option with one argument was given. |
|
487 |
*/ |
|
488 |
private void setOption(String opt, String argument) { |
|
489 |
String[] option = { opt, argument }; |
|
490 |
options.append(option); |
|
491 |
} |
|
492 |
||
493 |
/** |
|
494 |
* indicate an option with the specified list of arguments was given. |
|
495 |
*/ |
|
496 |
private void setOption(String opt, List<String> arguments) { |
|
497 |
String[] args = new String[arguments.length() + 1]; |
|
498 |
int k = 0; |
|
499 |
args[k++] = opt; |
|
500 |
for (List<String> i = arguments; i.nonEmpty(); i=i.tail) { |
|
501 |
args[k++] = i.head; |
|
502 |
} |
|
14543 | 503 |
options.append(args); |
10 | 504 |
} |
505 |
} |