Tue, 14 May 2013 10:14:55 -0700
8012178: Cleanup use of Util.escapeHtmlChars
Reviewed-by: darcy
1 /*
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.doclets.formats.html.markup;
28 import java.io.IOException;
29 import java.io.Writer;
30 import java.util.ArrayList;
31 import java.util.Collections;
32 import java.util.List;
33 import com.sun.tools.doclets.internal.toolkit.Content;
35 /**
36 * A sequence of Content nodes.
37 */
38 public class ContentBuilder extends Content {
39 protected List<Content> contents = Collections.<Content>emptyList();
41 @Override
42 public void addContent(Content content) {
43 if ((content instanceof ContentBuilder) && content.isEmpty())
44 return;
45 ensureMutableContents();
46 if (content instanceof ContentBuilder) {
47 contents.addAll(((ContentBuilder) content).contents);
48 } else
49 contents.add(content);
50 }
52 @Override
53 public void addContent(String text) {
54 if (text.isEmpty())
55 return;
56 ensureMutableContents();
57 Content c = contents.isEmpty() ? null : contents.get(contents.size() - 1);
58 StringContent sc;
59 if (c != null && c instanceof StringContent) {
60 sc = (StringContent) c;
61 } else {
62 contents.add(sc = new StringContent());
63 }
64 sc.addContent(text);
65 }
67 @Override
68 public boolean write(Writer writer, boolean atNewline) throws IOException {
69 for (Content content: contents) {
70 atNewline = content.write(writer, atNewline);
71 }
72 return atNewline;
73 }
75 @Override
76 public boolean isEmpty() {
77 for (Content content: contents) {
78 if (!content.isEmpty())
79 return false;
80 }
81 return true;
82 }
84 @Override
85 public int charCount() {
86 int n = 0;
87 for (Content c : contents)
88 n += c.charCount();
89 return n;
90 }
92 private void ensureMutableContents() {
93 if (contents.isEmpty())
94 contents = new ArrayList<Content>();
95 }
96 }