src/share/jaxws_classes/javax/xml/bind/annotation/DomHandler.java

Tue, 09 Apr 2013 14:51:13 +0100

author
alanb
date
Tue, 09 Apr 2013 14:51:13 +0100
changeset 368
0989ad8c0860
parent 286
f50545b5e2f1
child 397
b99d7e355d4b
permissions
-rw-r--r--

8010393: Update JAX-WS RI to 2.2.9-b12941
Reviewed-by: alanb, erikj
Contributed-by: miroslav.kos@oracle.com, martin.grebac@oracle.com

ohair@286 1 /*
ohair@286 2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
ohair@286 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286 4 *
ohair@286 5 * This code is free software; you can redistribute it and/or modify it
ohair@286 6 * under the terms of the GNU General Public License version 2 only, as
ohair@286 7 * published by the Free Software Foundation. Oracle designates this
ohair@286 8 * particular file as subject to the "Classpath" exception as provided
ohair@286 9 * by Oracle in the LICENSE file that accompanied this code.
ohair@286 10 *
ohair@286 11 * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ohair@286 14 * version 2 for more details (a copy is included in the LICENSE file that
ohair@286 15 * accompanied this code).
ohair@286 16 *
ohair@286 17 * You should have received a copy of the GNU General Public License version
ohair@286 18 * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286 20 *
ohair@286 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286 22 * or visit www.oracle.com if you need additional information or have any
ohair@286 23 * questions.
ohair@286 24 */
ohair@286 25
ohair@286 26 package javax.xml.bind.annotation;
ohair@286 27
ohair@286 28 import javax.xml.bind.ValidationEventHandler;
ohair@286 29 import javax.xml.transform.Result;
ohair@286 30 import javax.xml.transform.Source;
ohair@286 31
ohair@286 32 /**
ohair@286 33 * Converts an element (and its descendants)
ohair@286 34 * from/to DOM (or similar) representation.
ohair@286 35 *
ohair@286 36 * <p>
ohair@286 37 * Implementations of this interface will be used in conjunction with
ohair@286 38 * {@link XmlAnyElement} annotation to map an element of XML into a representation
ohair@286 39 * of infoset such as W3C DOM.
ohair@286 40 *
ohair@286 41 * <p>
ohair@286 42 * Implementations hide how a portion of XML is converted into/from such
ohair@286 43 * DOM-like representation, allowing JAXB providers to work with arbitrary
ohair@286 44 * such library.
ohair@286 45 *
ohair@286 46 * <P>
ohair@286 47 * This interface is intended to be implemented by library writers
ohair@286 48 * and consumed by JAXB providers. None of those methods are intended to
ohair@286 49 * be called from applications.
ohair@286 50 *
ohair@286 51 * @author Kohsuke Kawaguchi
ohair@286 52 * @since JAXB2.0
ohair@286 53 */
ohair@286 54 public interface DomHandler<ElementT,ResultT extends Result> {
ohair@286 55 /**
ohair@286 56 * When a JAXB provider needs to unmarshal a part of a document into an
ohair@286 57 * infoset representation, it first calls this method to create a
ohair@286 58 * {@link Result} object.
ohair@286 59 *
ohair@286 60 * <p>
ohair@286 61 * A JAXB provider will then send a portion of the XML
ohair@286 62 * into the given result. Such a portion always form a subtree
ohair@286 63 * of the whole XML document rooted at an element.
ohair@286 64 *
ohair@286 65 * @param errorHandler
ohair@286 66 * if any error happens between the invocation of this method
ohair@286 67 * and the invocation of {@link #getElement(Result)}, they
ohair@286 68 * must be reported to this handler.
ohair@286 69 *
ohair@286 70 * The caller must provide a non-null error handler.
ohair@286 71 *
ohair@286 72 * The {@link Result} object created from this method
ohair@286 73 * may hold a reference to this error handler.
ohair@286 74 *
ohair@286 75 * @return
ohair@286 76 * null if the operation fails. The error must have been reported
ohair@286 77 * to the error handler.
ohair@286 78 */
ohair@286 79 ResultT createUnmarshaller( ValidationEventHandler errorHandler );
ohair@286 80
ohair@286 81 /**
ohair@286 82 * Once the portion is sent to the {@link Result}. This method is called
ohair@286 83 * by a JAXB provider to obtain the unmarshalled element representation.
ohair@286 84 *
ohair@286 85 * <p>
ohair@286 86 * Multiple invocations of this method may return different objects.
ohair@286 87 * This method can be invoked only when the whole sub-tree are fed
ohair@286 88 * to the {@link Result} object.
ohair@286 89 *
ohair@286 90 * @param rt
ohair@286 91 * The {@link Result} object created by {@link #createUnmarshaller(ValidationEventHandler)}.
ohair@286 92 *
ohair@286 93 * @return
ohair@286 94 * null if the operation fails. The error must have been reported
ohair@286 95 * to the error handler.
ohair@286 96 */
ohair@286 97 ElementT getElement(ResultT rt);
ohair@286 98
ohair@286 99 /**
ohair@286 100 * This method is called when a JAXB provider needs to marshal an element
ohair@286 101 * to XML.
ohair@286 102 *
ohair@286 103 * <p>
ohair@286 104 * If non-null, the returned {@link Source} must contain a whole document
ohair@286 105 * rooted at one element, which will then be weaved into a bigger document
ohair@286 106 * that the JAXB provider is marshalling.
ohair@286 107 *
ohair@286 108 * @param errorHandler
ohair@286 109 * Receives any errors happened during the process of converting
ohair@286 110 * an element into a {@link Source}.
ohair@286 111 *
ohair@286 112 * The caller must provide a non-null error handler.
ohair@286 113 *
ohair@286 114 * @return
ohair@286 115 * null if there was an error. The error should have been reported
ohair@286 116 * to the handler.
ohair@286 117 */
ohair@286 118 Source marshal( ElementT n, ValidationEventHandler errorHandler );
ohair@286 119 }

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