View Javadoc

1   /*
2    * Copyright (c) 2003, Henri Yandell
3    * All rights reserved.
4    * 
5    * Redistribution and use in source and binary forms, with or 
6    * without modification, are permitted provided that the 
7    * following conditions are met:
8    * 
9    * + Redistributions of source code must retain the above copyright notice, 
10   *   this list of conditions and the following disclaimer.
11   * 
12   * + Redistributions in binary form must reproduce the above copyright notice, 
13   *   this list of conditions and the following disclaimer in the documentation 
14   *   and/or other materials provided with the distribution.
15   * 
16   * + Neither the name of XmlWriter nor the names of its contributors 
17   *   may be used to endorse or promote products derived from this software 
18   *   without specific prior written permission.
19   * 
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
23   * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
30   * POSSIBILITY OF SUCH DAMAGE.
31   */
32  package com.generationjava.io.xml;
33  
34  import java.io.IOException;
35  
36  /***
37   * Provides a few method implementations for XmlWriter implementations. 
38   * The method implementations all depend on other methods which must 
39   * be implemented. 
40   */
41  public abstract class AbstractXmlWriter implements XmlWriter {
42  
43      /***
44       * Makes it easy to output the xml version if such a thing is desired.
45       * While it usually is desired, it is less surprising not to handle it.
46       */
47      public XmlWriter writeXmlVersion() throws IOException {
48          return this.writeXmlVersion("1.0", null, null);
49      }
50      /*** @see XmlWriter.writeXmlVersion(String, String, String) */
51      public XmlWriter writeXmlVersion(String version, String encoding) throws IOException {
52          return this.writeXmlVersion(version, encoding, null);
53      }
54  
55      /***
56       * A helper method. It writes out an entity which contains only text.
57       *
58       * @param name String name of tag
59       * @param text String of text to go inside the tag
60       */
61      public XmlWriter writeEntityWithText(String name, Object text) throws IOException {
62          writeEntity(name);
63          writeText(text);
64          return endEntity();
65      }
66  
67      /***
68       * A helper method. It writes out empty entities.
69       *
70       * @param name String name of tag
71       */
72      public XmlWriter writeEmptyEntity(String name) throws IOException {
73          writeEntity(name);
74          return endEntity();
75      }
76  
77  }