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src/share/classes/com/sun/tools/doclets/formats/html/markup/ContentBuilder.java@2eb010b6cb22 (annotated)

src/share/classes/com/sun/tools/doclets/formats/html/markup/ContentBuilder.java

Thu, 31 Aug 2017 15:17:03 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:17:03 +0800

changeset 2525

2eb010b6cb22

parent 2116

bf6b11347b1a

parent 0

959103a6100f

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2003, 2013, 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
aoqi@0	26	package com.sun.tools.doclets.formats.html.markup;
aoqi@0	27
aoqi@0	28	import java.io.IOException;
aoqi@0	29	import java.io.Writer;
aoqi@0	30	import java.util.ArrayList;
aoqi@0	31	import java.util.Collections;
aoqi@0	32	import java.util.List;
aoqi@0	33	import com.sun.tools.doclets.internal.toolkit.Content;
aoqi@0	34
aoqi@0	35	/**
aoqi@0	36	* A sequence of Content nodes.
aoqi@0	37	*/
aoqi@0	38	public class ContentBuilder extends Content {
aoqi@0	39	protected List<Content> contents = Collections.<Content>emptyList();
aoqi@0	40
aoqi@0	41	@Override
aoqi@0	42	public void addContent(Content content) {
aoqi@0	43	nullCheck(content);
aoqi@0	44	ensureMutableContents();
aoqi@0	45	if (content instanceof ContentBuilder) {
aoqi@0	46	contents.addAll(((ContentBuilder) content).contents);
aoqi@0	47	} else
aoqi@0	48	contents.add(content);
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	@Override
aoqi@0	52	public void addContent(String text) {
aoqi@0	53	if (text.isEmpty())
aoqi@0	54	return;
aoqi@0	55	ensureMutableContents();
aoqi@0	56	Content c = contents.isEmpty() ? null : contents.get(contents.size() - 1);
aoqi@0	57	StringContent sc;
aoqi@0	58	if (c != null && c instanceof StringContent) {
aoqi@0	59	sc = (StringContent) c;
aoqi@0	60	} else {
aoqi@0	61	contents.add(sc = new StringContent());
aoqi@0	62	}
aoqi@0	63	sc.addContent(text);
aoqi@0	64	}
aoqi@0	65
aoqi@0	66	@Override
aoqi@0	67	public boolean write(Writer writer, boolean atNewline) throws IOException {
aoqi@0	68	for (Content content: contents) {
aoqi@0	69	atNewline = content.write(writer, atNewline);
aoqi@0	70	}
aoqi@0	71	return atNewline;
aoqi@0	72	}
aoqi@0	73
aoqi@0	74	@Override
aoqi@0	75	public boolean isEmpty() {
aoqi@0	76	for (Content content: contents) {
aoqi@0	77	if (!content.isEmpty())
aoqi@0	78	return false;
aoqi@0	79	}
aoqi@0	80	return true;
aoqi@0	81	}
aoqi@0	82
aoqi@0	83	@Override
aoqi@0	84	public int charCount() {
aoqi@0	85	int n = 0;
aoqi@0	86	for (Content c : contents)
aoqi@0	87	n += c.charCount();
aoqi@0	88	return n;
aoqi@0	89	}
aoqi@0	90
aoqi@0	91	private void ensureMutableContents() {
aoqi@0	92	if (contents.isEmpty())
aoqi@0	93	contents = new ArrayList<Content>();
aoqi@0	94	}
aoqi@0	95	}