Tue, 06 Mar 2012 16:09:35 -0800
7150322: Stop using drop source bundles in jaxws
Reviewed-by: darcy, ohrstrom
1 /*
2 * Copyright (c) 2005, 2010, 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 javax.xml.bind.annotation;
28 import javax.xml.bind.ValidationEventHandler;
29 import javax.xml.transform.Result;
30 import javax.xml.transform.Source;
32 /**
33 * Converts an element (and its descendants)
34 * from/to DOM (or similar) representation.
35 *
36 * <p>
37 * Implementations of this interface will be used in conjunction with
38 * {@link XmlAnyElement} annotation to map an element of XML into a representation
39 * of infoset such as W3C DOM.
40 *
41 * <p>
42 * Implementations hide how a portion of XML is converted into/from such
43 * DOM-like representation, allowing JAXB providers to work with arbitrary
44 * such library.
45 *
46 * <P>
47 * This interface is intended to be implemented by library writers
48 * and consumed by JAXB providers. None of those methods are intended to
49 * be called from applications.
50 *
51 * @author Kohsuke Kawaguchi
52 * @since JAXB2.0
53 */
54 public interface DomHandler<ElementT,ResultT extends Result> {
55 /**
56 * When a JAXB provider needs to unmarshal a part of a document into an
57 * infoset representation, it first calls this method to create a
58 * {@link Result} object.
59 *
60 * <p>
61 * A JAXB provider will then send a portion of the XML
62 * into the given result. Such a portion always form a subtree
63 * of the whole XML document rooted at an element.
64 *
65 * @param errorHandler
66 * if any error happens between the invocation of this method
67 * and the invocation of {@link #getElement(Result)}, they
68 * must be reported to this handler.
69 *
70 * The caller must provide a non-null error handler.
71 *
72 * The {@link Result} object created from this method
73 * may hold a reference to this error handler.
74 *
75 * @return
76 * null if the operation fails. The error must have been reported
77 * to the error handler.
78 */
79 ResultT createUnmarshaller( ValidationEventHandler errorHandler );
81 /**
82 * Once the portion is sent to the {@link Result}. This method is called
83 * by a JAXB provider to obtain the unmarshalled element representation.
84 *
85 * <p>
86 * Multiple invocations of this method may return different objects.
87 * This method can be invoked only when the whole sub-tree are fed
88 * to the {@link Result} object.
89 *
90 * @param rt
91 * The {@link Result} object created by {@link #createUnmarshaller(ValidationEventHandler)}.
92 *
93 * @return
94 * null if the operation fails. The error must have been reported
95 * to the error handler.
96 */
97 ElementT getElement(ResultT rt);
99 /**
100 * This method is called when a JAXB provider needs to marshal an element
101 * to XML.
102 *
103 * <p>
104 * If non-null, the returned {@link Source} must contain a whole document
105 * rooted at one element, which will then be weaved into a bigger document
106 * that the JAXB provider is marshalling.
107 *
108 * @param errorHandler
109 * Receives any errors happened during the process of converting
110 * an element into a {@link Source}.
111 *
112 * The caller must provide a non-null error handler.
113 *
114 * @return
115 * null if there was an error. The error should have been reported
116 * to the handler.
117 */
118 Source marshal( ElementT n, ValidationEventHandler errorHandler );
119 }