jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/doclets/formats/html/markup/ContentBuilder.java@2eb010b6cb22

     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         ensureMutableContents();

    45         if (content instanceof ContentBuilder) {

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

    47         } else

    48             contents.add(content);

    49     }

    51     @Override

    52     public void addContent(String text) {

    53         if (text.isEmpty())

    54             return;

    55         ensureMutableContents();

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

    57         StringContent sc;

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

    59             sc = (StringContent) c;

    60         } else {

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

    62         }

    63         sc.addContent(text);

    64     }

    66     @Override

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

    68         for (Content content: contents) {

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

    70         }

    71         return atNewline;

    72     }

    74     @Override

    75     public boolean isEmpty() {

    76         for (Content content: contents) {

    77             if (!content.isEmpty())

    78                 return false;

    79         }

    80         return true;

    81     }

    83     @Override

    84     public int charCount() {

    85         int n = 0;

    86         for (Content c : contents)

    87             n += c.charCount();

    88         return n;

    89     }

    91     private void ensureMutableContents() {

    92         if (contents.isEmpty())

    93             contents = new ArrayList<Content>();

    94     }

    95 }

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