• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/classes/com/sun/tools/javadoc/api/JavadocTaskImpl.java@af8417e590f4 (annotated)

src/share/classes/com/sun/tools/javadoc/api/JavadocTaskImpl.java

Sun, 17 Feb 2013 16:44:55 -0500

author

dholmes

date

Sun, 17 Feb 2013 16:44:55 -0500

changeset 1571

af8417e590f4

parent 0

959103a6100f

permissions

-rw-r--r--

Merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25	package com.sun.tools.javadoc.api;
aoqi@0	26
aoqi@0	27	import com.sun.tools.javac.util.ClientCodeException;
aoqi@0	28	import java.util.Locale;
aoqi@0	29	import java.util.concurrent.atomic.AtomicBoolean;
aoqi@0	30
aoqi@0	31	import javax.tools.DocumentationTool.DocumentationTask;
aoqi@0	32	import javax.tools.JavaFileObject;
aoqi@0	33
aoqi@0	34	import com.sun.tools.javac.util.Context;
aoqi@0	35	import com.sun.tools.javadoc.Start;
aoqi@0	36	import java.util.Collections;
aoqi@0	37
aoqi@0	38	/**
aoqi@0	39	* Provides access to functionality specific to the JDK documentation tool,
aoqi@0	40	* javadoc.
aoqi@0	41	*
aoqi@0	42	* <p><b>This is NOT part of any supported API.
aoqi@0	43	* If you write code that depends on this, you do so at your own
aoqi@0	44	* risk. This code and its internal interfaces are subject to change
aoqi@0	45	* or deletion without notice.</b></p>
aoqi@0	46	*/
aoqi@0	47	public class JavadocTaskImpl implements DocumentationTask {
aoqi@0	48	private final AtomicBoolean used = new AtomicBoolean();
aoqi@0	49
aoqi@0	50	private final Context context;
aoqi@0	51	private Class<?> docletClass;
aoqi@0	52	private Iterable<String> options;
aoqi@0	53	private Iterable<? extends JavaFileObject> fileObjects;
aoqi@0	54	private Locale locale;
aoqi@0	55
aoqi@0	56	public JavadocTaskImpl(Context context, Class<?> docletClass,
aoqi@0	57	Iterable<String> options, Iterable<? extends JavaFileObject> fileObjects) {
aoqi@0	58	this.context = context;
aoqi@0	59	this.docletClass = docletClass;
aoqi@0	60
aoqi@0	61	this.options = (options == null) ? Collections.<String>emptySet()
aoqi@0	62	: nullCheck(options);
aoqi@0	63	this.fileObjects = (fileObjects == null) ? Collections.<JavaFileObject>emptySet()
aoqi@0	64	: nullCheck(fileObjects);
aoqi@0	65	setLocale(Locale.getDefault());
aoqi@0	66	}
aoqi@0	67
aoqi@0	68	public void setLocale(Locale locale) {
aoqi@0	69	if (used.get())
aoqi@0	70	throw new IllegalStateException();
aoqi@0	71	this.locale = locale;
aoqi@0	72	}
aoqi@0	73
aoqi@0	74	public Boolean call() {
aoqi@0	75	if (!used.getAndSet(true)) {
aoqi@0	76	initContext();
aoqi@0	77	Start jdoc = new Start(context);
aoqi@0	78	try {
aoqi@0	79	return jdoc.begin(docletClass, options, fileObjects);
aoqi@0	80	} catch (ClientCodeException e) {
aoqi@0	81	throw new RuntimeException(e.getCause());
aoqi@0	82	}
aoqi@0	83	} else {
aoqi@0	84	throw new IllegalStateException("multiple calls to method 'call'");
aoqi@0	85	}
aoqi@0	86	}
aoqi@0	87
aoqi@0	88	private void initContext() {
aoqi@0	89	//initialize compiler's default locale
aoqi@0	90	context.put(Locale.class, locale);
aoqi@0	91	}
aoqi@0	92
aoqi@0	93	private static <T> Iterable<T> nullCheck(Iterable<T> items) {
aoqi@0	94	for (T item: items) {
aoqi@0	95	if (item == null)
aoqi@0	96	throw new NullPointerException();
aoqi@0	97	}
aoqi@0	98	return items;
aoqi@0	99	}
aoqi@0	100	}