jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/doclets/formats/html/markup/ContentBuilder.java@ca8808c88f94

8012308: Remove TagletOutput in favor of direct use of Content
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         nullCheck(content);

    44         if ((content instanceof ContentBuilder) && content.isEmpty())

    45             return;

    46         ensureMutableContents();

    47         if (content instanceof ContentBuilder) {

    48             contents.addAll(((ContentBuilder) content).contents);

    49         } else

    50             contents.add(content);

    51     }

    53     @Override

    54     public void addContent(String text) {

    55         if (text.isEmpty())

    56             return;

    57         ensureMutableContents();

    58         Content c = contents.isEmpty() ? null : contents.get(contents.size() - 1);

    59         StringContent sc;

    60         if (c != null && c instanceof StringContent) {

    61             sc = (StringContent) c;

    62         } else {

    63             contents.add(sc = new StringContent());

    64         }

    65         sc.addContent(text);

    66     }

    68     @Override

    69     public boolean write(Writer writer, boolean atNewline) throws IOException {

    70         for (Content content: contents) {

    71             atNewline = content.write(writer, atNewline);

    72         }

    73         return atNewline;

    74     }

    76     @Override

    77     public boolean isEmpty() {

    78         for (Content content: contents) {

    79             if (!content.isEmpty())

    80                 return false;

    81         }

    82         return true;

    83     }

    85     @Override

    86     public int charCount() {

    87         int n = 0;

    88         for (Content c : contents)

    89             n += c.charCount();

    90         return n;

    91     }

    93     private void ensureMutableContents() {

    94         if (contents.isEmpty())

    95             contents = new ArrayList<Content>();

    96     }

    97 }

Mercurial > jdk8-mips64-public > langtools / file revision