337 lines
12 KiB
Java
337 lines
12 KiB
Java
/*
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* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.xml.internal.ws.encoding;
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import com.sun.xml.internal.ws.api.SOAPVersion;
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import com.sun.xml.internal.ws.api.WSFeatureList;
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import com.sun.xml.internal.ws.api.message.Packet;
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import com.sun.xml.internal.ws.api.pipe.Codec;
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import com.sun.xml.internal.ws.api.pipe.ContentType;
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import com.sun.xml.internal.ws.client.ContentNegotiation;
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import com.sun.xml.internal.ws.encoding.xml.XMLCodec;
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import com.sun.xml.internal.ws.encoding.xml.XMLMessage;
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import com.sun.xml.internal.ws.encoding.xml.XMLMessage.MessageDataSource;
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import com.sun.xml.internal.ws.encoding.xml.XMLMessage.UnknownContent;
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import com.sun.xml.internal.ws.encoding.xml.XMLMessage.XMLMultiPart;
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import com.sun.xml.internal.ws.resources.StreamingMessages;
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import com.sun.xml.internal.ws.util.ByteArrayBuffer;
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import javax.activation.DataSource;
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import javax.xml.ws.WebServiceException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.lang.reflect.Method;
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import java.nio.channels.WritableByteChannel;
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import java.util.StringTokenizer;
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/**
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* XML (infoset) over HTTP binding {@link Codec}.
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* <p>
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* TODO: Support FI for multipart/related
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* Support FI for MessageDataSource
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*
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* @author Jitendra Kotamraju
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*/
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public final class XMLHTTPBindingCodec extends MimeCodec {
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/**
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* Base HTTP Accept request-header.
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*/
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private static final String BASE_ACCEPT_VALUE =
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"*";
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/**
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* Fast Infoset MIME type.
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*/
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private static final String APPLICATION_FAST_INFOSET_MIME_TYPE =
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"application/fastinfoset";
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/**
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* True if the Fast Infoset codec should be used
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*/
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private boolean useFastInfosetForEncoding;
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/**
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* The XML codec
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*/
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private final Codec xmlCodec;
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/**
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* The FI codec
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*/
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private final Codec fiCodec;
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/**
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* The Accept header for XML encodings
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*/
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private static final String xmlAccept = null;
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/**
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* The Accept header for Fast Infoset and XML encodings
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*/
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private static final String fiXmlAccept = APPLICATION_FAST_INFOSET_MIME_TYPE + ", " + BASE_ACCEPT_VALUE;
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private ContentTypeImpl setAcceptHeader(Packet p, ContentType c) {
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ContentTypeImpl ctImpl = (ContentTypeImpl)c;
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if (p.contentNegotiation == ContentNegotiation.optimistic
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|| p.contentNegotiation == ContentNegotiation.pessimistic) {
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ctImpl.setAcceptHeader(fiXmlAccept);
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} else {
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ctImpl.setAcceptHeader(xmlAccept);
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}
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p.setContentType(ctImpl);
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return ctImpl;
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}
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public XMLHTTPBindingCodec(WSFeatureList f) {
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super(SOAPVersion.SOAP_11, f);
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xmlCodec = new XMLCodec(f);
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fiCodec = getFICodec();
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}
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@Override
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public String getMimeType() {
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return null;
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}
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@Override
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public ContentType getStaticContentType(Packet packet) {
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ContentType ct;
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if (packet.getInternalMessage() instanceof MessageDataSource) {
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final MessageDataSource mds = (MessageDataSource)packet.getInternalMessage();
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if (mds.hasUnconsumedDataSource()) {
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ct = getStaticContentType(mds);
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return (ct != null)
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? setAcceptHeader(packet, ct) //_adaptingContentType.set(packet, ct)
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: null;
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}
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}
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ct = super.getStaticContentType(packet);
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return (ct != null)
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? setAcceptHeader(packet, ct) //_adaptingContentType.set(packet, ct)
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: null;
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}
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@Override
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public ContentType encode(Packet packet, OutputStream out) throws IOException {
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if (packet.getInternalMessage() instanceof MessageDataSource) {
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final MessageDataSource mds = (MessageDataSource)packet.getInternalMessage();
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if (mds.hasUnconsumedDataSource())
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return setAcceptHeader(packet, encode(mds, out));
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}
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return setAcceptHeader(packet, super.encode(packet, out));
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}
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@Override
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public ContentType encode(Packet packet, WritableByteChannel buffer) {
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throw new UnsupportedOperationException();
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}
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@Override
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public void decode(InputStream in, String contentType, Packet packet) throws IOException {
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/**
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* Reset the encoding state when on the server side for each
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* decode/encode step.
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*/
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if (packet.contentNegotiation == null)
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useFastInfosetForEncoding = false;
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if (contentType == null) {
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xmlCodec.decode(in, contentType, packet);
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} else if (isMultipartRelated(contentType)) {
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packet.setMessage(new XMLMultiPart(contentType, in, features));
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} else if(isFastInfoset(contentType)) {
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if (fiCodec == null) {
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throw new RuntimeException(StreamingMessages.FASTINFOSET_NO_IMPLEMENTATION());
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}
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useFastInfosetForEncoding = true;
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fiCodec.decode(in, contentType, packet);
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} else if (isXml(contentType)) {
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xmlCodec.decode(in, contentType, packet);
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} else {
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packet.setMessage(new UnknownContent(contentType, in));
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}
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if (!useFastInfosetForEncoding) {
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useFastInfosetForEncoding = isFastInfosetAcceptable(packet.acceptableMimeTypes);
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}
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}
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@Override
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protected void decode(MimeMultipartParser mpp, Packet packet) throws IOException {
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// This method will never be invoked
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}
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@Override
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public MimeCodec copy() {
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return new XMLHTTPBindingCodec(features);
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}
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private boolean isMultipartRelated(String contentType) {
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return compareStrings(contentType, MimeCodec.MULTIPART_RELATED_MIME_TYPE);
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}
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private boolean isXml(String contentType) {
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return compareStrings(contentType, XMLCodec.XML_APPLICATION_MIME_TYPE)
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|| compareStrings(contentType, XMLCodec.XML_TEXT_MIME_TYPE)
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|| (compareStrings(contentType, "application/")&&(contentType.toLowerCase().indexOf("+xml") != -1));
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}
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private boolean isFastInfoset(String contentType) {
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return compareStrings(contentType, APPLICATION_FAST_INFOSET_MIME_TYPE);
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}
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private boolean compareStrings(String a, String b) {
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return a.length() >= b.length() &&
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b.equalsIgnoreCase(
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a.substring(0,
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b.length()));
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}
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private boolean isFastInfosetAcceptable(String accept) {
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if (accept == null) return false;
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StringTokenizer st = new StringTokenizer(accept, ",");
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while (st.hasMoreTokens()) {
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final String token = st.nextToken().trim();
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if (token.equalsIgnoreCase(APPLICATION_FAST_INFOSET_MIME_TYPE)) {
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return true;
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}
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}
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return false;
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}
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private ContentType getStaticContentType(MessageDataSource mds) {
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final String contentType = mds.getDataSource().getContentType();
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final boolean isFastInfoset = XMLMessage.isFastInfoset(contentType);
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if (!requiresTransformationOfDataSource(isFastInfoset,
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useFastInfosetForEncoding)) {
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return new ContentTypeImpl(contentType);
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} else {
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return null;
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}
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}
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private ContentType encode(MessageDataSource mds, OutputStream out) {
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try {
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final boolean isFastInfoset = XMLMessage.isFastInfoset(
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mds.getDataSource().getContentType());
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DataSource ds = transformDataSource(mds.getDataSource(),
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isFastInfoset, useFastInfosetForEncoding, features);
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InputStream is = ds.getInputStream();
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byte[] buf = new byte[1024];
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int count;
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while((count=is.read(buf)) != -1) {
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out.write(buf, 0, count);
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}
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return new ContentTypeImpl(ds.getContentType());
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} catch(IOException ioe) {
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throw new WebServiceException(ioe);
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}
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}
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@Override
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protected Codec getMimeRootCodec(Packet p) {
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/**
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* The following logic is only for outbound packets
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* to be encoded by client.
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* On the server the p.contentNegotiation == null.
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*/
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if (p.contentNegotiation == ContentNegotiation.none) {
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// The client may have changed the negotiation property from
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// pessismistic to none between invocations
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useFastInfosetForEncoding = false;
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} else if (p.contentNegotiation == ContentNegotiation.optimistic) {
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// Always encode using Fast Infoset if in optimisitic mode
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useFastInfosetForEncoding = true;
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}
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return (useFastInfosetForEncoding && fiCodec != null)? fiCodec : xmlCodec;
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}
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public static boolean requiresTransformationOfDataSource(
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boolean isFastInfoset, boolean useFastInfoset) {
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return (isFastInfoset && !useFastInfoset) || (!isFastInfoset && useFastInfoset);
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}
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public static DataSource transformDataSource(DataSource in,
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boolean isFastInfoset, boolean useFastInfoset, WSFeatureList f) {
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try {
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if (isFastInfoset && !useFastInfoset) {
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// Convert from Fast Infoset to XML
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Codec codec = new XMLHTTPBindingCodec(f);
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Packet p = new Packet();
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codec.decode(in.getInputStream(), in.getContentType(), p);
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p.getMessage().getAttachments();
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codec.getStaticContentType(p);
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ByteArrayBuffer bos = new ByteArrayBuffer();
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ContentType ct = codec.encode(p, bos);
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return XMLMessage.createDataSource(ct.getContentType(), bos.newInputStream());
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} else if (!isFastInfoset && useFastInfoset) {
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// Convert from XML to Fast Infoset
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Codec codec = new XMLHTTPBindingCodec(f);
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Packet p = new Packet();
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codec.decode(in.getInputStream(), in.getContentType(), p);
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p.contentNegotiation = ContentNegotiation.optimistic;
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p.getMessage().getAttachments();
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codec.getStaticContentType(p);
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ByteArrayBuffer bos = new ByteArrayBuffer();
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com.sun.xml.internal.ws.api.pipe.ContentType ct = codec.encode(p, bos);
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return XMLMessage.createDataSource(ct.getContentType(), bos.newInputStream());
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}
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} catch(Exception ex) {
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throw new WebServiceException(ex);
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}
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return in;
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}
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/**
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* Obtain an FI SOAP codec instance using reflection.
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*/
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private static Codec getFICodec() {
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try {
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Class c = Class.forName("com.sun.xml.internal.ws.encoding.fastinfoset.FastInfosetCodec");
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Method m = c.getMethod("create");
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return (Codec)m.invoke(null);
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} catch (Exception e) {
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return null;
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}
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}
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}
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