1 /*
   2  * Copyright (c) 1997, 2013, 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  */
  25 
  26 package com.sun.xml.internal.messaging.saaj.soap.impl;
  27 
  28 import java.io.IOException;
  29 import java.io.OutputStream;
  30 import java.io.OutputStreamWriter;
  31 
  32 import java.util.Iterator;
  33 import java.util.logging.Level;
  34 import org.w3c.dom.Document;
  35 
  36 import javax.xml.namespace.QName;
  37 import javax.xml.soap.*;
  38 import javax.xml.transform.*;
  39 import javax.xml.transform.dom.DOMSource;
  40 import javax.xml.transform.stream.StreamResult;
  41 import javax.xml.transform.sax.*;
  42 
  43 import com.sun.xml.internal.messaging.saaj.SOAPExceptionImpl;
  44 import com.sun.xml.internal.messaging.saaj.soap.Envelope;
  45 import com.sun.xml.internal.messaging.saaj.soap.SOAPDocumentImpl;
  46 import com.sun.xml.internal.messaging.saaj.soap.name.NameImpl;
  47 import com.sun.xml.internal.messaging.saaj.util.FastInfosetReflection;
  48 import com.sun.xml.internal.messaging.saaj.util.transform.EfficientStreamingTransformer;
  49 
  50 /**
  51  * Our implementation of the SOAP envelope.
  52  *
  53  * @author Anil Vijendran (anil@sun.com)
  54  */
  55 public abstract class EnvelopeImpl extends ElementImpl implements Envelope {
  56     protected HeaderImpl header;
  57     protected BodyImpl body;
  58     String omitXmlDecl = "yes";
  59     String charset = "utf-8";
  60     String xmlDecl = null;
  61 
  62     protected EnvelopeImpl(SOAPDocumentImpl ownerDoc, Name name) {
  63         super(ownerDoc, name);
  64     }
  65 
  66     protected EnvelopeImpl(SOAPDocumentImpl ownerDoc, QName name) {
  67         super(ownerDoc, name);
  68     }
  69 
  70     protected EnvelopeImpl(
  71         SOAPDocumentImpl ownerDoc,
  72         NameImpl name,
  73         boolean createHeader,
  74         boolean createBody)
  75         throws SOAPException {
  76         this(ownerDoc, name);
  77 
  78         ensureNamespaceIsDeclared(
  79             getElementQName().getPrefix(), getElementQName().getNamespaceURI());
  80 
  81         // XXX
  82         if (createHeader)
  83             addHeader();
  84 
  85         if (createBody)
  86             addBody();
  87     }
  88 
  89     protected abstract NameImpl getHeaderName(String prefix);
  90     protected abstract NameImpl getBodyName(String prefix);
  91 
  92     public SOAPHeader addHeader() throws SOAPException {
  93         return addHeader(null);
  94     }
  95 
  96     public SOAPHeader addHeader(String prefix) throws SOAPException {
  97 
  98         if (prefix == null || prefix.equals("")) {
  99             prefix = getPrefix();
 100         }
 101 
 102         NameImpl headerName = getHeaderName(prefix);
 103         NameImpl bodyName = getBodyName(prefix);
 104 
 105         HeaderImpl header = null;
 106         SOAPElement firstChild = null;
 107 
 108         Iterator eachChild = getChildElementNodes();
 109         if (eachChild.hasNext()) {
 110             firstChild = (SOAPElement) eachChild.next();
 111             if (firstChild.getElementName().equals(headerName)) {
 112                 log.severe("SAAJ0120.impl.header.already.exists");
 113                 throw new SOAPExceptionImpl("Can't add a header when one is already present.");
 114             } else if (!firstChild.getElementName().equals(bodyName)) {
 115                 log.severe("SAAJ0121.impl.invalid.first.child.of.envelope");
 116                 throw new SOAPExceptionImpl("First child of Envelope must be either a Header or Body");
 117             }
 118         }
 119 
 120         header = (HeaderImpl) createElement(headerName);
 121         insertBefore(header, firstChild);
 122         header.ensureNamespaceIsDeclared(headerName.getPrefix(), headerName.getURI());
 123 
 124         return header;
 125     }
 126 
 127     protected void lookForHeader() throws SOAPException {
 128         NameImpl headerName = getHeaderName(null);
 129 
 130         HeaderImpl hdr = (HeaderImpl) findChild(headerName);
 131         header = hdr;
 132     }
 133 
 134     public SOAPHeader getHeader() throws SOAPException {
 135         lookForHeader();
 136         return header;
 137     }
 138 
 139     protected void lookForBody() throws SOAPException {
 140         NameImpl bodyName = getBodyName(null);
 141 
 142         BodyImpl bodyChildElement = (BodyImpl) findChild(bodyName);
 143         body = bodyChildElement;
 144     }
 145 
 146     public SOAPBody addBody() throws SOAPException {
 147         return addBody(null);
 148     }
 149 
 150     public SOAPBody addBody(String prefix) throws SOAPException {
 151         lookForBody();
 152 
 153         if (prefix == null || prefix.equals("")) {
 154             prefix = getPrefix();
 155         }
 156 
 157         if (body == null) {
 158             NameImpl bodyName = getBodyName(prefix);
 159             body = (BodyImpl) createElement(bodyName);
 160             insertBefore(body, null);
 161             body.ensureNamespaceIsDeclared(bodyName.getPrefix(), bodyName.getURI());
 162         } else {
 163             log.severe("SAAJ0122.impl.body.already.exists");
 164             throw new SOAPExceptionImpl("Can't add a body when one is already present.");
 165         }
 166 
 167         return body;
 168     }
 169 
 170     protected SOAPElement addElement(Name name) throws SOAPException {
 171         if (getBodyName(null).equals(name)) {
 172             return addBody(name.getPrefix());
 173         }
 174         if (getHeaderName(null).equals(name)) {
 175             return addHeader(name.getPrefix());
 176         }
 177 
 178         return super.addElement(name);
 179     }
 180 
 181     protected SOAPElement addElement(QName name) throws SOAPException {
 182         if (getBodyName(null).equals(NameImpl.convertToName(name))) {
 183             return addBody(name.getPrefix());
 184         }
 185         if (getHeaderName(null).equals(NameImpl.convertToName(name))) {
 186             return addHeader(name.getPrefix());
 187         }
 188 
 189         return super.addElement(name);
 190     }
 191 
 192     public SOAPBody getBody() throws SOAPException {
 193         lookForBody();
 194         return body;
 195     }
 196 
 197     public Source getContent() {
 198         return new DOMSource(getOwnerDocument());
 199     }
 200 
 201     public Name createName(String localName, String prefix, String uri)
 202         throws SOAPException {
 203 
 204         // validating parameters before passing them on
 205         // to make sure that the namespace specification rules are followed
 206 
 207         // reserved xmlns prefix cannot be used.
 208         if ("xmlns".equals(prefix)) {
 209             log.severe("SAAJ0123.impl.no.reserved.xmlns");
 210             throw new SOAPExceptionImpl("Cannot declare reserved xmlns prefix");
 211         }
 212         // Qualified name cannot be xmlns.
 213         if ((prefix == null) && ("xmlns".equals(localName))) {
 214             log.severe("SAAJ0124.impl.qualified.name.cannot.be.xmlns");
 215             throw new SOAPExceptionImpl("Qualified name cannot be xmlns");
 216         }
 217 
 218         return NameImpl.create(localName, prefix, uri);
 219     }
 220 
 221     public Name createName(String localName, String prefix)
 222         throws SOAPException {
 223         String namespace = getNamespaceURI(prefix);
 224         if (namespace == null) {
 225             log.log(
 226                 Level.SEVERE,
 227                 "SAAJ0126.impl.cannot.locate.ns",
 228                 new String[] { prefix });
 229             throw new SOAPExceptionImpl(
 230                 "Unable to locate namespace for prefix " + prefix);
 231         }
 232         return NameImpl.create(localName, prefix, namespace);
 233     }
 234 
 235     public Name createName(String localName) throws SOAPException {
 236         return NameImpl.createFromUnqualifiedName(localName);
 237     }
 238 
 239     public void setOmitXmlDecl(String value) {
 240         this.omitXmlDecl = value;
 241     }
 242 
 243     public void setXmlDecl(String value) {
 244         this.xmlDecl = value;
 245     }
 246 
 247     private String getOmitXmlDecl() {
 248         return this.omitXmlDecl;
 249     }
 250 
 251     public void setCharsetEncoding(String value) {
 252         charset = value;
 253     }
 254 
 255     public void output(OutputStream out) throws IOException {
 256         try {
 257             Transformer transformer =
 258                 EfficientStreamingTransformer.newTransformer();
 259 
 260             transformer.setOutputProperty(
 261                 OutputKeys.OMIT_XML_DECLARATION, "yes");
 262                 /*omitXmlDecl);*/
 263             // no equivalent for "setExpandEmptyElements"
 264             transformer.setOutputProperty(
 265                 OutputKeys.ENCODING,
 266                 charset);
 267 
 268             if (omitXmlDecl.equals("no") && xmlDecl == null) {
 269                 xmlDecl = "<?xml version=\"" + getOwnerDocument().getXmlVersion() + "\" encoding=\"" +
 270                     charset + "\" ?>";
 271             }
 272 
 273            StreamResult result = new StreamResult(out);
 274             if (xmlDecl != null) {
 275                 OutputStreamWriter writer = new OutputStreamWriter(out, charset);
 276                 writer.write(xmlDecl);
 277                 writer.flush();
 278                 result = new StreamResult(writer);
 279             }
 280 
 281             if (log.isLoggable(Level.FINE)) {
 282                 log.log(Level.FINE, "SAAJ0190.impl.set.xml.declaration",
 283                         new String[] { omitXmlDecl });
 284                 log.log(Level.FINE, "SAAJ0191.impl.set.encoding",
 285                         new String[] { charset });
 286             }
 287 
 288             //StreamResult result = new StreamResult(out);
 289             transformer.transform(getContent(), result);
 290         } catch (Exception ex) {
 291             throw new IOException(ex.getMessage());
 292         }
 293     }
 294 
 295     /**
 296      * Serialize to FI if boolean parameter set.
 297      */
 298     public void output(OutputStream out, boolean isFastInfoset)
 299         throws IOException
 300     {
 301         if (!isFastInfoset) {
 302             output(out);
 303         }
 304         else {
 305             try {
 306                 // Run transform and generate FI output from content
 307                 Source source = getContent();
 308                 Transformer transformer = EfficientStreamingTransformer.newTransformer();
 309                     transformer.transform(getContent(),
 310                         FastInfosetReflection.FastInfosetResult_new(out));
 311             }
 312             catch (Exception ex) {
 313                 throw new IOException(ex.getMessage());
 314             }
 315         }
 316     }
 317 
 318     //    public void prettyPrint(OutputStream out) throws IOException {
 319     //        if (getDocument() == null)
 320     //            initDocument();
 321     //
 322     //        OutputFormat format = OutputFormat.createPrettyPrint();
 323     //
 324     //        format.setIndentSize(2);
 325     //        format.setNewlines(true);
 326     //        format.setTrimText(true);
 327     //        format.setPadText(true);
 328     //        format.setExpandEmptyElements(false);
 329     //
 330     //        XMLWriter writer = new XMLWriter(out, format);
 331     //        writer.write(getDocument());
 332     //    }
 333     //
 334     //    public void prettyPrint(Writer out) throws IOException {
 335     //        if (getDocument() == null)
 336     //            initDocument();
 337     //
 338     //        OutputFormat format = OutputFormat.createPrettyPrint();
 339     //
 340     //        format.setIndentSize(2);
 341     //        format.setNewlines(true);
 342     //        format.setTrimText(true);
 343     //        format.setPadText(true);
 344     //        format.setExpandEmptyElements(false);
 345     //
 346     //        XMLWriter writer = new XMLWriter(out, format);
 347     //        writer.write(getDocument());
 348     //    }
 349 
 350 
 351      public SOAPElement setElementQName(QName newName) throws SOAPException {
 352         log.log(Level.SEVERE,
 353                 "SAAJ0146.impl.invalid.name.change.requested",
 354                 new Object[] {elementQName.getLocalPart(),
 355                               newName.getLocalPart()});
 356         throw new SOAPException("Cannot change name for "
 357                                 + elementQName.getLocalPart() + " to "
 358                                 + newName.getLocalPart());
 359      }
 360 }