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1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 // $Id: SAXResult.java 446598 2006-09-15 12:55:40Z jeremias $
19 
20 package javax.xml.transform.sax;
21 
22 import javax.xml.transform.Result;
23 import org.xml.sax.ContentHandler;
24 import org.xml.sax.ext.LexicalHandler;
25 
26 /**
27  * <p>Acts as an holder for a transformation Result.</p>
28  *
29  * @author <a href="Jeff.Suttor@Sun.com">Jeff Suttor</a>
30  */
31 public class SAXResult implements Result {
32 
33     /**
34      * If {@link javax.xml.transform.TransformerFactory#getFeature}
35      * returns true when passed this value as an argument,
36      * the Transformer supports Result output of this type.
37      */
38     public static final String FEATURE =
39         "http://javax.xml.transform.sax.SAXResult/feature";
40 
41     /**
42      * Zero-argument default constructor.
43      */
SAXResult()44     public SAXResult() {
45     }
46 
47     /**
48      * Create a SAXResult that targets a SAX2 {@link org.xml.sax.ContentHandler}.
49      *
50      * @param handler Must be a non-null ContentHandler reference.
51      */
SAXResult(ContentHandler handler)52     public SAXResult(ContentHandler handler) {
53         setHandler(handler);
54     }
55 
56     /**
57      * Set the target to be a SAX2 {@link org.xml.sax.ContentHandler}.
58      *
59      * @param handler Must be a non-null ContentHandler reference.
60      */
setHandler(ContentHandler handler)61     public void setHandler(ContentHandler handler) {
62         this.handler = handler;
63     }
64 
65     /**
66      * Get the {@link org.xml.sax.ContentHandler} that is the Result.
67      *
68      * @return The ContentHandler that is to be transformation output.
69      */
getHandler()70     public ContentHandler getHandler() {
71         return handler;
72     }
73 
74     /**
75      * Set the SAX2 {@link org.xml.sax.ext.LexicalHandler} for the output.
76      *
77      * <p>This is needed to handle XML comments and the like.  If the
78      * lexical handler is not set, an attempt should be made by the
79      * transformer to cast the {@link org.xml.sax.ContentHandler} to a
80      * <code>LexicalHandler</code>.</p>
81      *
82      * @param handler A non-null <code>LexicalHandler</code> for
83      * handling lexical parse events.
84      */
setLexicalHandler(LexicalHandler handler)85     public void setLexicalHandler(LexicalHandler handler) {
86         this.lexhandler = handler;
87     }
88 
89     /**
90      * Get a SAX2 {@link org.xml.sax.ext.LexicalHandler} for the output.
91      *
92      * @return A <code>LexicalHandler</code>, or null.
93      */
getLexicalHandler()94     public LexicalHandler getLexicalHandler() {
95         return lexhandler;
96     }
97 
98     /**
99      * Method setSystemId Set the systemID that may be used in association
100      * with the {@link org.xml.sax.ContentHandler}.
101      *
102      * @param systemId The system identifier as a URI string.
103      */
setSystemId(String systemId)104     public void setSystemId(String systemId) {
105         this.systemId = systemId;
106     }
107 
108     /**
109      * Get the system identifier that was set with setSystemId.
110      *
111      * @return The system identifier that was set with setSystemId, or null
112      * if setSystemId was not called.
113      */
getSystemId()114     public String getSystemId() {
115         return systemId;
116     }
117 
118     //////////////////////////////////////////////////////////////////////
119     // Internal state.
120     //////////////////////////////////////////////////////////////////////
121 
122     /**
123      * The handler for parse events.
124      */
125     private ContentHandler handler;
126 
127     /**
128      * The handler for lexical events.
129      */
130     private LexicalHandler lexhandler;
131 
132     /**
133      * The systemID that may be used in association
134      * with the node.
135      */
136     private String systemId;
137 }
138