src/share/jaxws_classes/com/sun/xml/internal/ws/message/stream/StreamHeader.java

changeset 286
f50545b5e2f1
child 368
0989ad8c0860
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/message/stream/StreamHeader.java	Tue Mar 06 16:09:35 2012 -0800
     1.3 @@ -0,0 +1,238 @@
     1.4 +/*
     1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +package com.sun.xml.internal.ws.message.stream;
    1.30 +
    1.31 +import com.sun.istack.internal.FinalArrayList;
    1.32 +import com.sun.istack.internal.NotNull;
    1.33 +import com.sun.xml.internal.stream.buffer.XMLStreamBuffer;
    1.34 +import com.sun.xml.internal.stream.buffer.XMLStreamBufferSource;
    1.35 +import com.sun.xml.internal.ws.api.SOAPVersion;
    1.36 +import com.sun.xml.internal.ws.api.addressing.AddressingVersion;
    1.37 +import com.sun.xml.internal.ws.api.addressing.WSEndpointReference;
    1.38 +import com.sun.xml.internal.ws.api.message.Header;
    1.39 +import com.sun.xml.internal.ws.message.AbstractHeaderImpl;
    1.40 +import org.w3c.dom.Node;
    1.41 +import org.xml.sax.ContentHandler;
    1.42 +import org.xml.sax.ErrorHandler;
    1.43 +import org.xml.sax.SAXException;
    1.44 +
    1.45 +import javax.xml.soap.SOAPException;
    1.46 +import javax.xml.soap.SOAPHeader;
    1.47 +import javax.xml.soap.SOAPMessage;
    1.48 +import javax.xml.stream.XMLStreamException;
    1.49 +import javax.xml.stream.XMLStreamReader;
    1.50 +import javax.xml.stream.XMLStreamWriter;
    1.51 +import javax.xml.transform.Transformer;
    1.52 +import javax.xml.transform.TransformerFactory;
    1.53 +import javax.xml.transform.dom.DOMResult;
    1.54 +import java.util.List;
    1.55 +import java.util.Set;
    1.56 +
    1.57 +/**
    1.58 + * {@link Header} whose physical data representation is an XMLStreamBuffer.
    1.59 + *
    1.60 + * @author Paul.Sandoz@Sun.Com
    1.61 + */
    1.62 +public abstract class StreamHeader extends AbstractHeaderImpl {
    1.63 +    protected final XMLStreamBuffer _mark;
    1.64 +
    1.65 +    protected boolean _isMustUnderstand;
    1.66 +
    1.67 +    /**
    1.68 +     * Role or actor value.
    1.69 +     */
    1.70 +    protected @NotNull String _role;
    1.71 +
    1.72 +    protected boolean _isRelay;
    1.73 +
    1.74 +    protected String _localName;
    1.75 +
    1.76 +    protected String _namespaceURI;
    1.77 +
    1.78 +    /**
    1.79 +     * Keep the information about an attribute on the header element.
    1.80 +     *
    1.81 +     * TODO: this whole attribute handling could be done better, I think.
    1.82 +     */
    1.83 +    protected static final class Attribute {
    1.84 +        /**
    1.85 +         * Can be empty but never null.
    1.86 +         */
    1.87 +        final String nsUri;
    1.88 +        final String localName;
    1.89 +        final String value;
    1.90 +
    1.91 +        public Attribute(String nsUri, String localName, String value) {
    1.92 +            this.nsUri = fixNull(nsUri);
    1.93 +            this.localName = localName;
    1.94 +            this.value = value;
    1.95 +        }
    1.96 +    }
    1.97 +
    1.98 +    /**
    1.99 +     * The attributes on the header element.
   1.100 +     * We expect there to be only a small number of them,
   1.101 +     * so the use of {@link List} would be justified.
   1.102 +     *
   1.103 +     * Null if no attribute is present.
   1.104 +     */
   1.105 +    private final FinalArrayList<Attribute> attributes;
   1.106 +
   1.107 +    /**
   1.108 +     * Creates a {@link StreamHeader}.
   1.109 +     *
   1.110 +     * @param reader
   1.111 +     *      The parser pointing at the start of the mark.
   1.112 +     *      Technically this information is redundant,
   1.113 +     *      but it achieves a better performance.
   1.114 +     * @param mark
   1.115 +     *      The start of the buffered header content.
   1.116 +     */
   1.117 +    protected StreamHeader(XMLStreamReader reader, XMLStreamBuffer mark) {
   1.118 +        assert reader!=null && mark!=null;
   1.119 +        _mark = mark;
   1.120 +        _localName = reader.getLocalName();
   1.121 +        _namespaceURI = reader.getNamespaceURI();
   1.122 +        attributes = processHeaderAttributes(reader);
   1.123 +    }
   1.124 +
   1.125 +    /**
   1.126 +     * Creates a {@link StreamHeader}.
   1.127 +     *
   1.128 +     * @param reader
   1.129 +     *      The parser that points to the start tag of the header.
   1.130 +     *      By the end of this method, the parser will point at
   1.131 +     *      the end tag of this element.
   1.132 +     */
   1.133 +    protected StreamHeader(XMLStreamReader reader) throws XMLStreamException {
   1.134 +        _localName = reader.getLocalName();
   1.135 +        _namespaceURI = reader.getNamespaceURI();
   1.136 +        attributes = processHeaderAttributes(reader);
   1.137 +        // cache the body
   1.138 +        _mark = XMLStreamBuffer.createNewBufferFromXMLStreamReader(reader);
   1.139 +    }
   1.140 +
   1.141 +    public final boolean isIgnorable(@NotNull SOAPVersion soapVersion, @NotNull Set<String> roles) {
   1.142 +        // check mustUnderstand
   1.143 +        if(!_isMustUnderstand) return true;
   1.144 +
   1.145 +        if (roles == null)
   1.146 +            return true;
   1.147 +
   1.148 +        // now role
   1.149 +        return !roles.contains(_role);
   1.150 +    }
   1.151 +
   1.152 +    public @NotNull String getRole(@NotNull SOAPVersion soapVersion) {
   1.153 +        assert _role!=null;
   1.154 +        return _role;
   1.155 +    }
   1.156 +
   1.157 +    public boolean isRelay() {
   1.158 +        return _isRelay;
   1.159 +    }
   1.160 +
   1.161 +    public @NotNull String getNamespaceURI() {
   1.162 +        return _namespaceURI;
   1.163 +    }
   1.164 +
   1.165 +    public @NotNull String getLocalPart() {
   1.166 +        return _localName;
   1.167 +    }
   1.168 +
   1.169 +    public String getAttribute(String nsUri, String localName) {
   1.170 +        if(attributes!=null) {
   1.171 +            for(int i=attributes.size()-1; i>=0; i-- ) {
   1.172 +                Attribute a = attributes.get(i);
   1.173 +                if(a.localName.equals(localName) && a.nsUri.equals(nsUri))
   1.174 +                    return a.value;
   1.175 +            }
   1.176 +        }
   1.177 +        return null;
   1.178 +    }
   1.179 +
   1.180 +    /**
   1.181 +     * Reads the header as a {@link XMLStreamReader}
   1.182 +     */
   1.183 +    public XMLStreamReader readHeader() throws XMLStreamException {
   1.184 +        return _mark.readAsXMLStreamReader();
   1.185 +    }
   1.186 +
   1.187 +    public void writeTo(XMLStreamWriter w) throws XMLStreamException {
   1.188 +        if(_mark.getInscopeNamespaces().size() > 0)
   1.189 +            _mark.writeToXMLStreamWriter(w,true);
   1.190 +        else
   1.191 +            _mark.writeToXMLStreamWriter(w);
   1.192 +    }
   1.193 +
   1.194 +    public void writeTo(SOAPMessage saaj) throws SOAPException {
   1.195 +        try {
   1.196 +            // TODO what about in-scope namespaces
   1.197 +            // Not very efficient consider implementing a stream buffer
   1.198 +            // processor that produces a DOM node from the buffer.
   1.199 +            TransformerFactory tf = TransformerFactory.newInstance();
   1.200 +            Transformer t = tf.newTransformer();
   1.201 +            XMLStreamBufferSource source = new XMLStreamBufferSource(_mark);
   1.202 +            DOMResult result = new DOMResult();
   1.203 +            t.transform(source, result);
   1.204 +            Node d = result.getNode();
   1.205 +            if(d.getNodeType() == Node.DOCUMENT_NODE)
   1.206 +                d = d.getFirstChild();
   1.207 +            SOAPHeader header = saaj.getSOAPHeader();
   1.208 +            if(header == null)
   1.209 +                header = saaj.getSOAPPart().getEnvelope().addHeader();
   1.210 +            Node node = header.getOwnerDocument().importNode(d, true);
   1.211 +            header.appendChild(node);
   1.212 +        } catch (Exception e) {
   1.213 +            throw new SOAPException(e);
   1.214 +        }
   1.215 +    }
   1.216 +
   1.217 +    public void writeTo(ContentHandler contentHandler, ErrorHandler errorHandler) throws SAXException {
   1.218 +        _mark.writeTo(contentHandler);
   1.219 +    }
   1.220 +
   1.221 +    /**
   1.222 +     * Creates an EPR without copying infoset.
   1.223 +     *
   1.224 +     * This is the most common implementation on which {@link Header#readAsEPR(AddressingVersion)}
   1.225 +     * is invoked on.
   1.226 +     */
   1.227 +    @Override @NotNull
   1.228 +    public WSEndpointReference readAsEPR(AddressingVersion expected) throws XMLStreamException {
   1.229 +        return new WSEndpointReference(_mark,expected);
   1.230 +    }
   1.231 +
   1.232 +    protected abstract FinalArrayList<Attribute> processHeaderAttributes(XMLStreamReader reader);
   1.233 +
   1.234 +    /**
   1.235 +     * Convert null to "".
   1.236 +     */
   1.237 +    private static String fixNull(String s) {
   1.238 +        if(s==null) return "";
   1.239 +        else        return s;
   1.240 +    }
   1.241 +}

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