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

 /*

  * Copyright (c) 1997, 2012, 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

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 package com.sun.xml.internal.ws.message.stream;

 import com.sun.istack.internal.FinalArrayList;

 import com.sun.istack.internal.NotNull;

 import com.sun.xml.internal.stream.buffer.XMLStreamBuffer;

 import com.sun.xml.internal.stream.buffer.XMLStreamBufferException;

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

 import com.sun.xml.internal.ws.message.AbstractHeaderImpl;

 import org.xml.sax.ContentHandler;

 import org.xml.sax.ErrorHandler;

 import org.xml.sax.SAXException;

 import javax.xml.soap.SOAPException;

 import javax.xml.soap.SOAPMessage;

 import javax.xml.soap.SOAPHeader;

 import javax.xml.stream.XMLStreamException;

 import javax.xml.stream.XMLStreamReader;

 import javax.xml.stream.XMLStreamWriter;

 import javax.xml.ws.WebServiceException;

 /**

  * Used to represent outbound header created from {@link XMLStreamBuffer}.

  *

  * <p>

  * This is optimized for outbound use, so it implements some of the methods lazily,

  * in a slow way.

  *

  * @author Kohsuke Kawaguchi

  */

 public final class OutboundStreamHeader extends AbstractHeaderImpl {

     private final XMLStreamBuffer infoset;

     private final String nsUri,localName;

     /**

      * The attributes on the header element.

      * Lazily parsed.

      * Null if not parsed yet.

      */

     private FinalArrayList<Attribute> attributes;

     public OutboundStreamHeader(XMLStreamBuffer infoset, String nsUri, String localName) {

         this.infoset = infoset;

         this.nsUri = nsUri;

         this.localName = localName;

     }

     public @NotNull String getNamespaceURI() {

         return nsUri;

     }

     public @NotNull String getLocalPart() {

         return localName;

     }

     public String getAttribute(String nsUri, String localName) {

         if(attributes==null)

             parseAttributes();

         for(int i=attributes.size()-1; i>=0; i-- ) {

             Attribute a = attributes.get(i);

             if(a.localName.equals(localName) && a.nsUri.equals(nsUri))

                 return a.value;

         }

         return null;

     }

     /**

      * We don't really expect this to be used, but just to satisfy

      * the {@link Header} contract.

      *

      * So this is rather slow.

      */

     private void parseAttributes() {

         try {

             XMLStreamReader reader = readHeader();

             attributes = new FinalArrayList<Attribute>();

             for (int i = 0; i < reader.getAttributeCount(); i++) {

                 final String localName = reader.getAttributeLocalName(i);

                 final String namespaceURI = reader.getAttributeNamespace(i);

                 final String value = reader.getAttributeValue(i);

                 attributes.add(new Attribute(namespaceURI,localName,value));

             }

         } catch (XMLStreamException e) {

             throw new WebServiceException("Unable to read the attributes for {"+nsUri+"}"+localName+" header",e);

         }

     }

     public XMLStreamReader readHeader() throws XMLStreamException {

         return infoset.readAsXMLStreamReader();

     }

     public void writeTo(XMLStreamWriter w) throws XMLStreamException {

         infoset.writeToXMLStreamWriter(w,true);

     }

     public void writeTo(SOAPMessage saaj) throws SOAPException {

         try {

             SOAPHeader header = saaj.getSOAPHeader();

             if (header == null)

                 header = saaj.getSOAPPart().getEnvelope().addHeader();

             infoset.writeTo(header);

         } catch (XMLStreamBufferException e) {

             throw new SOAPException(e);

         }

     }

     public void writeTo(ContentHandler contentHandler, ErrorHandler errorHandler) throws SAXException {

         infoset.writeTo(contentHandler,errorHandler);

     }

     /**

      * Keep the information about an attribute on the header element.

      */

     static final class Attribute {

         /**

          * Can be empty but never null.

          */

         final String nsUri;

         final String localName;

         final String value;

         public Attribute(String nsUri, String localName, String value) {

             this.nsUri = fixNull(nsUri);

             this.localName = localName;

             this.value = value;

         }

         /**

          * Convert null to "".

          */

         private static String fixNull(String s) {

             if(s==null) return "";

             else        return s;

         }

     }

     /**

      * We the performance paranoid people in the JAX-WS RI thinks

      * saving three bytes is worth while...

      */

     private static final String TRUE_VALUE = "1";

     private static final String IS_REFERENCE_PARAMETER = "IsReferenceParameter";

 }