Mercurial > jdk8-mips64-public > jaxws / file revision

 /*

  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 package com.sun.xml.internal.ws.encoding.fastinfoset;

 import com.sun.xml.internal.fastinfoset.stax.StAXDocumentSerializer;

 import com.sun.xml.internal.fastinfoset.stax.StAXDocumentParser;

 import com.sun.xml.internal.fastinfoset.vocab.ParserVocabulary;

 import com.sun.xml.internal.fastinfoset.vocab.SerializerVocabulary;

 import com.sun.xml.internal.ws.api.SOAPVersion;

 import com.sun.xml.internal.ws.api.message.Message;

 import com.sun.xml.internal.ws.api.message.Messages;

 import com.sun.xml.internal.ws.api.pipe.Codec;

 import com.sun.xml.internal.ws.api.pipe.ContentType;

 import com.sun.xml.internal.ws.api.message.Packet;

 import com.sun.xml.internal.ws.encoding.ContentTypeImpl;

 import java.io.BufferedInputStream;

 import javax.xml.stream.XMLStreamException;

 import javax.xml.stream.XMLStreamWriter;

 import javax.xml.ws.WebServiceException;

 import java.io.OutputStream;

 import java.io.InputStream;

 import java.io.IOException;

 import java.nio.channels.WritableByteChannel;

 import java.nio.channels.ReadableByteChannel;

 import com.sun.xml.internal.org.jvnet.fastinfoset.FastInfosetSource;

 /**

  * A codec for encoding/decoding XML infosets to/from fast

  * infoset documents.

  *

  * @author Paul Sandoz

  */

 public class FastInfosetCodec implements Codec {

     private static final int DEFAULT_INDEXED_STRING_SIZE_LIMIT = 32;

     private static final int DEFAULT_INDEXED_STRING_MEMORY_LIMIT = 4 * 1024 * 1024; //4M limit

     private StAXDocumentParser _parser;

     private StAXDocumentSerializer _serializer;

     private final boolean _retainState;

     private final ContentType _contentType;

     /* package */ FastInfosetCodec(boolean retainState) {

         _retainState = retainState;

         _contentType = (retainState) ? new ContentTypeImpl(FastInfosetMIMETypes.STATEFUL_INFOSET) :

             new ContentTypeImpl(FastInfosetMIMETypes.INFOSET);

     }

     public String getMimeType() {

         return _contentType.getContentType();

     }

     public Codec copy() {

         return new FastInfosetCodec(_retainState);

     }

     public ContentType getStaticContentType(Packet packet) {

         return _contentType;

     }

     public ContentType encode(Packet packet, OutputStream out) {

         Message message = packet.getMessage();

         if (message != null && message.hasPayload()) {

             final XMLStreamWriter writer = getXMLStreamWriter(out);

             try {

                 writer.writeStartDocument();

                 packet.getMessage().writePayloadTo(writer);

                 writer.writeEndDocument();

                 writer.flush();

             } catch (XMLStreamException e) {

                 throw new WebServiceException(e);

             }

         }

         return _contentType;

     }

     public ContentType encode(Packet packet, WritableByteChannel buffer) {

         //TODO: not yet implemented

         throw new UnsupportedOperationException();

     }

     public void decode(InputStream in, String contentType, Packet packet) throws IOException {

         /* Implements similar logic as the XMLMessage.create(String, InputStream).

          * But it's faster, as we know the InputStream has FastInfoset content*/

         Message message;

         in = hasSomeData(in);

         if (in != null) {

             message = Messages.createUsingPayload(new FastInfosetSource(in),

                     SOAPVersion.SOAP_11);

         } else {

             message = Messages.createEmpty(SOAPVersion.SOAP_11);

         }

         packet.setMessage(message);

     }

     public void decode(ReadableByteChannel in, String contentType, Packet response) {

         throw new UnsupportedOperationException();

     }

     private XMLStreamWriter getXMLStreamWriter(OutputStream out) {

         if (_serializer != null) {

             _serializer.setOutputStream(out);

             return _serializer;

         } else {

             return _serializer = createNewStreamWriter(out, _retainState);

         }

     }

     /**

      * Creates a new {@link FastInfosetCodec} instance.

      *

      * @return a new {@link FastInfosetCodec} instance.

      */

     public static FastInfosetCodec create() {

         return create(false);

     }

     /**

      * Creates a new {@link FastInfosetCodec} instance.

      *

      * @param retainState if true the Codec should retain the state of

      *        vocabulary tables for multiple encode/decode invocations.

      * @return a new {@link FastInfosetCodec} instance.

      */

     public static FastInfosetCodec create(boolean retainState) {

         return new FastInfosetCodec(retainState);

     }

     /**

      * Create a new (@link StAXDocumentSerializer} instance.

      *

      * @param in the OutputStream to serialize to.

      * @param retainState if true the serializer should retain the state of

      *        vocabulary tables for multiple serializations.

      * @return a new {@link StAXDocumentSerializer} instance.

      */

     /* package */ static StAXDocumentSerializer createNewStreamWriter(OutputStream out, boolean retainState) {

         return createNewStreamWriter(out, retainState, DEFAULT_INDEXED_STRING_SIZE_LIMIT, DEFAULT_INDEXED_STRING_MEMORY_LIMIT);

     }

     /**

      * Create a new (@link StAXDocumentSerializer} instance.

      *

      * @param in the OutputStream to serialize to.

      * @param retainState if true the serializer should retain the state of

      *        vocabulary tables for multiple serializations.

      * @return a new {@link StAXDocumentSerializer} instance.

      */

     /* package */ static StAXDocumentSerializer createNewStreamWriter(OutputStream out,

             boolean retainState, int indexedStringSizeLimit, int stringsMemoryLimit) {

         StAXDocumentSerializer serializer = new StAXDocumentSerializer(out);

         if (retainState) {

             /**

              * Create a serializer vocabulary external to the serializer.

              * This will ensure that the vocabulary will never be cleared

              * for each serialization and will be retained (and will grow)

              * for each serialization

              */

             SerializerVocabulary vocabulary = new SerializerVocabulary();

             serializer.setVocabulary(vocabulary);

             serializer.setMinAttributeValueSize(0);

             serializer.setMaxAttributeValueSize(indexedStringSizeLimit);

             serializer.setMinCharacterContentChunkSize(0);

             serializer.setMaxCharacterContentChunkSize(indexedStringSizeLimit);

             serializer.setAttributeValueMapMemoryLimit(stringsMemoryLimit);

             serializer.setCharacterContentChunkMapMemoryLimit(stringsMemoryLimit);

         }

         return serializer;

     }

     /**

      * Create a new (@link StAXDocumentParser} instance.

      *

      * @param in the InputStream to parse from.

      * @param retainState if true the parser should retain the state of

      *        vocabulary tables for multiple parses.

      * @return a new {@link StAXDocumentParser} instance.

      */

     /* package */ static StAXDocumentParser createNewStreamReader(InputStream in, boolean retainState) {

         StAXDocumentParser parser = new StAXDocumentParser(in);

         parser.setStringInterning(true);

         if (retainState) {

             /**

              * Create a parser vocabulary external to the parser.

              * This will ensure that the vocabulary will never be cleared

              * for each parse and will be retained (and will grow)

              * for each parse.

              */

             ParserVocabulary vocabulary = new ParserVocabulary();

             parser.setVocabulary(vocabulary);

         }

         return parser;

     }

     /**

      * Create a new (@link StAXDocumentParser} recyclable instance.

      *

      * @param in the InputStream to parse from.

      * @param retainState if true the parser should retain the state of

      *        vocabulary tables for multiple parses.

      * @return a new recyclable {@link StAXDocumentParser} instance.

      */

     /* package */ static StAXDocumentParser createNewStreamReaderRecyclable(InputStream in, boolean retainState) {

         StAXDocumentParser parser = new FastInfosetStreamReaderRecyclable(in);

         parser.setStringInterning(true);

         parser.setForceStreamClose(true);

         if (retainState) {

             /**

              * Create a parser vocabulary external to the parser.

              * This will ensure that the vocabulary will never be cleared

              * for each parse and will be retained (and will grow)

              * for each parse.

              */

             ParserVocabulary vocabulary = new ParserVocabulary();

             parser.setVocabulary(vocabulary);

         }

         return parser;

     }

     /**

      * Method is copied from com.sun.xml.internal.ws.encoding.xml.XMLMessage

      * @TODO method should be public in some util package?

      *

      * Finds if the stream has some content or not

      *

      * @return null if there is no data

      *         else stream to be used

      */

     private static InputStream hasSomeData(InputStream in) throws IOException {

         if (in != null) {

             if (in.available() < 1) {

                 if (!in.markSupported()) {

                     in = new BufferedInputStream(in);

                 }

                 in.mark(1);

                 if (in.read() != -1) {

                     in.reset();

                 } else {

                     in = null;          // No data

                 }

             }

         }

         return in;

     }

 }