jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/SourceReaderFactory.java@e530533619ec

     1 /*

     2  * Copyright (c) 1997, 2012, 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 com.sun.xml.internal.ws.streaming;

    28 import com.sun.xml.internal.ws.api.streaming.XMLStreamReaderFactory;

    29 import com.sun.xml.internal.ws.util.FastInfosetUtil;

    30 import com.sun.xml.internal.ws.util.xml.XmlUtil;

    32 import javax.xml.stream.XMLStreamReader;

    33 import javax.xml.transform.Source;

    34 import javax.xml.transform.Transformer;

    35 import javax.xml.transform.dom.DOMResult;

    36 import javax.xml.transform.dom.DOMSource;

    37 import javax.xml.transform.sax.SAXSource;

    38 import javax.xml.transform.stream.StreamSource;

    39 import java.io.InputStream;

    40 import java.io.InputStreamReader;

    41 import java.io.Reader;

    42 import java.lang.reflect.Method;

    43 import java.net.URL;

    45 /**

    46  * @author Santiago.PericasGeertsen@sun.com

    47  */

    48 public class SourceReaderFactory {

    50     /**

    51      * FI FastInfosetSource class.

    52      */

    53     static Class fastInfosetSourceClass;

    55     /**

    56      * FI <code>StAXDocumentSerializer.setEncoding()</code> method via reflection.

    57      */

    58     static Method fastInfosetSource_getInputStream;

    60     static {

    61         // Use reflection to avoid static dependency with FI jar

    62         try {

    63             fastInfosetSourceClass =

    64                 Class.forName("com.sun.xml.internal.org.jvnet.fastinfoset.FastInfosetSource");

    65             fastInfosetSource_getInputStream =

    66                 fastInfosetSourceClass.getMethod("getInputStream");

    67         }

    68         catch (Exception e) {

    69             fastInfosetSourceClass = null;

    70         }

    71     }

    73     public static XMLStreamReader createSourceReader(Source source, boolean rejectDTDs) {

    74         return createSourceReader(source, rejectDTDs, null);

    75     }

    77     public static XMLStreamReader createSourceReader(Source source, boolean rejectDTDs, String charsetName) {

    78         try {

    79             if (source instanceof StreamSource) {

    80                 StreamSource streamSource = (StreamSource) source;

    81                 InputStream is = streamSource.getInputStream();

    83                 if (is != null) {

    84                     // Wrap input stream in Reader if charset is specified

    85                     if (charsetName != null) {

    86                         return XMLStreamReaderFactory.create(

    87                             source.getSystemId(), new InputStreamReader(is, charsetName), rejectDTDs);

    88                     }

    89                     else {

    90                         return XMLStreamReaderFactory.create(

    91                             source.getSystemId(), is, rejectDTDs);

    92                     }

    93                 }

    94                 else {

    95                     Reader reader = streamSource.getReader();

    96                     if (reader != null) {

    97                         return XMLStreamReaderFactory.create(

    98                             source.getSystemId(), reader, rejectDTDs);

    99                     }

   100                     else {

   101                         return XMLStreamReaderFactory.create(

   102                             source.getSystemId(), new URL(source.getSystemId()).openStream(), rejectDTDs );

   103                     }

   104                 }

   105             }

   106             else if (source.getClass() == fastInfosetSourceClass) {

   107                 return FastInfosetUtil.createFIStreamReader((InputStream)

   108                     fastInfosetSource_getInputStream.invoke(source));

   109             }

   110             else if (source instanceof DOMSource) {

   111                 DOMStreamReader dsr =  new DOMStreamReader();

   112                 dsr.setCurrentNode(((DOMSource) source).getNode());

   113                 return dsr;

   114             }

   115             else if (source instanceof SAXSource) {

   116                 // TODO: need SAX to StAX adapter here -- Use transformer for now

   117                 Transformer tx =  XmlUtil.newTransformer();

   118                 DOMResult domResult = new DOMResult();

   119                 tx.transform(source, domResult);

   120                 return createSourceReader(

   121                     new DOMSource(domResult.getNode()),

   122                     rejectDTDs);

   123             }

   124             else {

   125                 throw new XMLReaderException("sourceReader.invalidSource",

   126                         source.getClass().getName());

   127             }

   128         }

   129         catch (Exception e) {

   130             throw new XMLReaderException(e);

   131         }

   132     }

   134 }

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