--- a/langtools/src/jdk.javadoc/share/classes/com/sun/tools/javadoc/DocLocale.java Wed Jul 05 21:41:01 2017 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,241 +0,0 @@
-/*
- * Copyright (c) 2000, 2012, 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.javadoc;
-
-import java.text.BreakIterator;
-import java.text.Collator;
-import java.util.Locale;
-
-/**
- * This class holds the information about locales.
- *
- * <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>
- *
- * @since 1.4
- * @author Robert Field
- */
-class DocLocale {
-
- /**
- * The locale name will be set by Main, if option is provided on the
- * command line.
- */
- final String localeName;
-
- /**
- * The locale to be used. If user doesn't provide this,
- * then set it to default locale value.
- */
- final Locale locale;
-
- /**
- * The collator for this application. This is to take care of Locale
- * Specific or Natural Language Text sorting.
- */
- final Collator collator;
-
- /**
- * Enclosing DocEnv
- */
- private final DocEnv docenv;
-
- /**
- * Sentence instance from the BreakIterator.
- */
- private final BreakIterator sentenceBreaker;
-
- /**
- * True is we should use <code>BreakIterator</code>
- * to compute first sentence.
- */
- private boolean useBreakIterator = false;
-
- /**
- * The HTML sentence terminators.
- */
- static final String[] sentenceTerminators =
- {
- "<p>", "</p>", "<h1>", "<h2>",
- "<h3>", "<h4>", "<h5>", "<h6>",
- "</h1>", "</h2>", "</h3>", "</h4>", "</h5>",
- "</h6>", "<hr>", "<pre>", "</pre>"
- };
-
- /**
- * Constructor
- */
- DocLocale(DocEnv docenv, String localeName, boolean useBreakIterator) {
- this.docenv = docenv;
- this.localeName = localeName;
- this.useBreakIterator = useBreakIterator;
- locale = getLocale();
- if (locale == null) {
- docenv.exit();
- } else {
- Locale.setDefault(locale); // NOTE: updating global state
- }
- collator = Collator.getInstance(locale);
- sentenceBreaker = BreakIterator.getSentenceInstance(locale);
- }
-
- /**
- * Get the locale if specified on the command line
- * else return null and if locale option is not used
- * then return default locale.
- */
- private Locale getLocale() {
- Locale userlocale = null;
- if (localeName.length() > 0) {
- int firstuscore = localeName.indexOf('_');
- int seconduscore = -1;
- String language = null;
- String country = null;
- String variant = null;
- if (firstuscore == 2) {
- language = localeName.substring(0, firstuscore);
- seconduscore = localeName.indexOf('_', firstuscore + 1);
- if (seconduscore > 0) {
- if (seconduscore != firstuscore + 3 ||
- localeName.length() <= seconduscore + 1) {
- docenv.error(null, "main.malformed_locale_name", localeName);
- return null;
- }
- country = localeName.substring(firstuscore + 1,
- seconduscore);
- variant = localeName.substring(seconduscore + 1);
- } else if (localeName.length() == firstuscore + 3) {
- country = localeName.substring(firstuscore + 1);
- } else {
- docenv.error(null, "main.malformed_locale_name", localeName);
- return null;
- }
- } else if (firstuscore == -1 && localeName.length() == 2) {
- language = localeName;
- } else {
- docenv.error(null, "main.malformed_locale_name", localeName);
- return null;
- }
- userlocale = searchLocale(language, country, variant);
- if (userlocale == null) {
- docenv.error(null, "main.illegal_locale_name", localeName);
- return null;
- } else {
- return userlocale;
- }
- } else {
- return Locale.getDefault();
- }
- }
-
- /**
- * Search the locale for specified language, specified country and
- * specified variant.
- */
- private Locale searchLocale(String language, String country,
- String variant) {
- for (Locale loc : Locale.getAvailableLocales()) {
- if (loc.getLanguage().equals(language) &&
- (country == null || loc.getCountry().equals(country)) &&
- (variant == null || loc.getVariant().equals(variant))) {
- return loc;
- }
- }
- return null;
- }
-
- String localeSpecificFirstSentence(DocImpl doc, String s) {
- if (s == null || s.length() == 0) {
- return "";
- }
- int index = s.indexOf("-->");
- if(s.trim().startsWith("<!--") && index != -1) {
- return localeSpecificFirstSentence(doc, s.substring(index + 3, s.length()));
- }
- if (useBreakIterator || !locale.getLanguage().equals("en")) {
- sentenceBreaker.setText(s.replace('\n', ' '));
- int start = sentenceBreaker.first();
- int end = sentenceBreaker.next();
- return s.substring(start, end).trim();
- } else {
- return englishLanguageFirstSentence(s).trim();
- }
- }
-
- /**
- * Return the first sentence of a string, where a sentence ends
- * with a period followed be white space.
- */
- private String englishLanguageFirstSentence(String s) {
- if (s == null) {
- return null;
- }
- int len = s.length();
- boolean period = false;
- for (int i = 0 ; i < len ; i++) {
- switch (s.charAt(i)) {
- case '.':
- period = true;
- break;
- case ' ':
- case '\t':
- case '\n':
- case '\r':
- case '\f':
- if (period) {
- return s.substring(0, i);
- }
- break;
- case '<':
- if (i > 0) {
- if (htmlSentenceTerminatorFound(s, i)) {
- return s.substring(0, i);
- }
- }
- break;
- default:
- period = false;
- }
- }
- return s;
- }
-
- /**
- * Find out if there is any HTML tag in the given string. If found
- * return true else return false.
- */
- private boolean htmlSentenceTerminatorFound(String str, int index) {
- for (String terminator : sentenceTerminators) {
- if (str.regionMatches(true, index, terminator,
- 0, terminator.length())) {
- return true;
- }
- }
- return false;
- }
-}