jdk8-mips64-public/jaxws: src/share/jaxws_classes/javax/xml/bind/UnmarshallerHandler.java@9c07ef4934dd

     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 javax.xml.bind;

    28 import org.xml.sax.ContentHandler;

    30 /**

    31  * Unmarshaller implemented as SAX ContentHandler.

    32  *

    33  * <p>

    34  * Applications can use this interface to use their JAXB provider as a component

    35  * in an XML pipeline.  For example:

    36  *

    37  * <pre>

    38  *       JAXBContext context = JAXBContext.newInstance( "org.acme.foo" );

    39  *

    40  *       Unmarshaller unmarshaller = context.createUnmarshaller();

    41  *

    42  *       UnmarshallerHandler unmarshallerHandler = unmarshaller.getUnmarshallerHandler();

    43  *

    44  *       SAXParserFactory spf = SAXParserFactory.newInstance();

    45  *       spf.setNamespaceAware( true );

    46  *

    47  *       XMLReader xmlReader = spf.newSAXParser().getXMLReader();

    48  *       xmlReader.setContentHandler( unmarshallerHandler );

    49  *       xmlReader.parse(new InputSource( new FileInputStream( XML_FILE ) ) );

    50  *

    51  *       MyObject myObject= (MyObject)unmarshallerHandler.getResult();

    52  * </pre>

    53  *

    54  * <p>

    55  * This interface is reusable: even if the user fails to unmarshal

    56  * an object, s/he can still start a new round of unmarshalling.

    57  *

    58  * @author <ul><li>Kohsuke KAWAGUCHI, Sun Microsystems, Inc.</li></ul>

    59  * @see Unmarshaller#getUnmarshallerHandler()

    60  * @since JAXB1.0

    61  */

    62 public interface UnmarshallerHandler extends ContentHandler

    63 {

    64     /**

    65      * Obtains the unmarshalled result.

    66      *

    67      * This method can be called only after this handler

    68      * receives the endDocument SAX event.

    69      *

    70      * @exception IllegalStateException

    71      *      if this method is called before this handler

    72      *      receives the endDocument event.

    73      *

    74      * @exception JAXBException

    75      *      if there is any unmarshalling error.

    76      *      Note that the implementation is allowed to throw SAXException

    77      *      during the parsing when it finds an error.

    78      *

    79      * @return

    80      *      always return a non-null valid object which was unmarshalled.

    81      */

    82     Object getResult() throws JAXBException, IllegalStateException;

    83 }

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