| /* |
| * 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.streaming; |
| |
| import com.sun.istack.internal.Nullable; |
| import com.sun.xml.internal.ws.encoding.HasEncoding; |
| import com.sun.xml.internal.ws.encoding.SOAPBindingCodec; |
| |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.XMLStreamWriter; |
| import javax.xml.stream.XMLStreamException; |
| import java.util.Map; |
| import java.io.OutputStream; |
| |
| /** |
| * <p>XMLStreamWriterUtil provides some utility methods intended to be used |
| * in conjunction with a StAX XMLStreamWriter. </p> |
| * |
| * @author Santiago.PericasGeertsen@sun.com |
| */ |
| public class XMLStreamWriterUtil { |
| |
| private XMLStreamWriterUtil() { |
| } |
| |
| /** |
| * Gives the underlying stream for XMLStreamWriter. It closes any start elements, and returns the stream so |
| * that JAXB can write infoset directly to the stream. |
| * |
| * @param writer XMLStreamWriter for which stream is required |
| * @return underlying OutputStream, null if writer doesn't provide a way to get it |
| * @throws XMLStreamException if any of writer operations throw the exception |
| */ |
| public static @Nullable OutputStream getOutputStream(XMLStreamWriter writer) throws XMLStreamException { |
| Object obj = null; |
| |
| // Hack for JDK6's SJSXP |
| if (writer instanceof Map) { |
| obj = ((Map) writer).get("sjsxp-outputstream"); |
| } |
| |
| // woodstox |
| if (obj == null) { |
| try { |
| obj = writer.getProperty("com.ctc.wstx.outputUnderlyingStream"); |
| } catch(Exception ie) { |
| // Catch all exceptions. SJSXP in JDK throws NPE |
| // nothing to do here |
| } |
| } |
| |
| // SJSXP |
| if (obj == null) { |
| try { |
| obj = writer.getProperty("http://java.sun.com/xml/stream/properties/outputstream"); |
| } catch(Exception ie) { |
| // Catch all exceptions. SJSXP in JDK throws NPE |
| // nothing to do here |
| } |
| } |
| |
| |
| if (obj != null) { |
| writer.writeCharacters(""); // Force completion of open elems |
| writer.flush(); |
| return (OutputStream)obj; |
| } |
| return null; |
| } |
| |
| /** |
| * Gives the encoding with which XMLStreamWriter is created. |
| * |
| * @param writer XMLStreamWriter for which encoding is required |
| * @return null if cannot be found, else the encoding |
| */ |
| public static @Nullable String getEncoding(XMLStreamWriter writer) { |
| /* |
| * TODO Add reflection logic to handle woodstox writer |
| * as it implements XMLStreamWriter2#getEncoding() |
| * It's not that important since woodstox writer is typically wrapped |
| * in a writer with HasEncoding |
| */ |
| return (writer instanceof HasEncoding) |
| ? ((HasEncoding)writer).getEncoding() |
| : null; |
| } |
| |
| public static String encodeQName(XMLStreamWriter writer, QName qname, |
| PrefixFactory prefixFactory) |
| { |
| // NOTE: Here it is assumed that we do not serialize using default |
| // namespace declarations and therefore that writer.getPrefix will |
| // never return "" |
| |
| try { |
| String namespaceURI = qname.getNamespaceURI(); |
| String localPart = qname.getLocalPart(); |
| |
| if (namespaceURI == null || namespaceURI.equals("")) { |
| return localPart; |
| } |
| else { |
| String prefix = writer.getPrefix(namespaceURI); |
| if (prefix == null) { |
| prefix = prefixFactory.getPrefix(namespaceURI); |
| writer.writeNamespace(prefix, namespaceURI); |
| } |
| return prefix + ":" + localPart; |
| } |
| } |
| catch (XMLStreamException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |