001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: package com.sun.xml.ws.streaming;
038:
039: import com.sun.istack.Nullable;
040:
041: import javax.xml.namespace.QName;
042: import javax.xml.stream.XMLStreamWriter;
043: import javax.xml.stream.XMLStreamException;
044: import java.util.Map;
045: import java.io.OutputStream;
046:
047: /**
048: * <p>XMLStreamWriterUtil provides some utility methods intended to be used
049: * in conjunction with a StAX XMLStreamWriter. </p>
050: *
051: * @author Santiago.PericasGeertsen@sun.com
052: */
053: public class XMLStreamWriterUtil {
054:
055: private XMLStreamWriterUtil() {
056: }
057:
058: /**
059: * Gives the underlying stream for XMLStreamWriter. It closes any start elements, and returns the stream so
060: * that JAXB can write infoset directly to the stream.
061: *
062: * @param writer XMLStreamWriter for which stream is required
063: * @return underlying OutputStream, null if writer doesn't provide a way to get it
064: * @throws XMLStreamException if any of writer operations throw the exception
065: */
066: public static @Nullable
067: OutputStream getOutputStream(XMLStreamWriter writer)
068: throws XMLStreamException {
069: // SJSXP
070: if (writer instanceof Map) {
071: Object obj = ((Map) writer).get("sjsxp-outputstream");
072: if (obj != null) {
073: writer.writeCharacters(""); // Force completion of open elems
074: return (OutputStream) obj;
075: }
076: }
077: // woodstox
078: try {
079: Object obj = writer
080: .getProperty("com.ctc.wstx.outputUnderlyingStream");
081: if (obj != null) {
082: writer.writeCharacters(""); // Force completion of open elems
083: writer.flush();
084: return (OutputStream) obj;
085: }
086: } catch (IllegalArgumentException ie) {
087: // nothing to do here
088: }
089: return null;
090: }
091:
092: public static String encodeQName(XMLStreamWriter writer,
093: QName qname, PrefixFactory prefixFactory) {
094: // NOTE: Here it is assumed that we do not serialize using default
095: // namespace declarations and therefore that writer.getPrefix will
096: // never return ""
097:
098: try {
099: String namespaceURI = qname.getNamespaceURI();
100: String localPart = qname.getLocalPart();
101:
102: if (namespaceURI == null || namespaceURI.equals("")) {
103: return localPart;
104: } else {
105: String prefix = writer.getPrefix(namespaceURI);
106: if (prefix == null) {
107: prefix = prefixFactory.getPrefix(namespaceURI);
108: writer.writeNamespace(prefix, namespaceURI);
109: }
110: return prefix + ":" + localPart;
111: }
112: } catch (XMLStreamException e) {
113: throw new RuntimeException(e);
114: }
115: }
116: }
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