| /* |
| * 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.commons.xmlutil; |
| |
| import com.sun.istack.internal.NotNull; |
| import com.sun.istack.internal.logging.Logger; |
| import com.sun.xml.internal.ws.api.message.Message; |
| import com.sun.xml.internal.ws.api.message.Messages; |
| import com.sun.xml.internal.ws.api.message.Packet; |
| import com.sun.xml.internal.ws.util.xml.XmlUtil; |
| |
| import javax.xml.stream.*; |
| import javax.xml.xpath.XPathFactoryConfigurationException; |
| import java.io.*; |
| import java.lang.reflect.Constructor; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.logging.Level; |
| |
| /** |
| * Utility class that provides conversion of different XML representations |
| * from/to various other formats |
| * |
| * @author Marek Potociar |
| */ |
| public final class Converter { |
| |
| public static final String UTF_8 = "UTF-8"; |
| |
| private Converter() { |
| // prevents instantiation |
| } |
| private static final Logger LOGGER = Logger.getLogger(Converter.class); |
| private static final ContextClassloaderLocal<XMLOutputFactory> xmlOutputFactory = new ContextClassloaderLocal<XMLOutputFactory>() { |
| @Override |
| protected XMLOutputFactory initialValue() throws Exception { |
| return XMLOutputFactory.newInstance(); |
| } |
| }; |
| private static final AtomicBoolean logMissingStaxUtilsWarning = new AtomicBoolean(false); |
| |
| /** |
| * Converts a throwable to String |
| * |
| * @param throwable |
| * @return String representation of throwable |
| */ |
| public static String toString(Throwable throwable) { |
| if (throwable == null) { |
| return "[ No exception ]"; |
| } |
| |
| StringWriter stringOut = new StringWriter(); |
| throwable.printStackTrace(new PrintWriter(stringOut)); |
| |
| return stringOut.toString(); |
| } |
| |
| public static String toString(Packet packet) { |
| if (packet == null) { |
| return "[ Null packet ]"; |
| } else if (packet.getMessage() == null) { |
| return "[ Empty packet ]"; |
| } |
| |
| return toString(packet.getMessage()); |
| } |
| |
| public static String toStringNoIndent(Packet packet) { |
| if (packet == null) { |
| return "[ Null packet ]"; |
| } else if (packet.getMessage() == null) { |
| return "[ Empty packet ]"; |
| } |
| |
| return toStringNoIndent(packet.getMessage()); |
| } |
| |
| public static String toString(Message message) { |
| return toString(message, true); |
| } |
| |
| public static String toStringNoIndent(Message message) { |
| return toString(message, false); |
| } |
| |
| private static String toString(Message message, boolean createIndenter) { |
| if (message == null) { |
| return "[ Null message ]"; |
| } |
| StringWriter stringOut = null; |
| try { |
| stringOut = new StringWriter(); |
| XMLStreamWriter writer = null; |
| try { |
| writer = xmlOutputFactory.get().createXMLStreamWriter(stringOut); |
| if (createIndenter) { |
| writer = createIndenter(writer); |
| } |
| message.copy().writeTo(writer); |
| } catch (Exception e) { // WSIT-1596 - Message Dumping should not affect other processing |
| LOGGER.log(Level.WARNING, "Unexpected exception occured while dumping message", e); |
| } finally { |
| if (writer != null) { |
| try { |
| writer.close(); |
| } catch (XMLStreamException ignored) { |
| LOGGER.fine("Unexpected exception occured while closing XMLStreamWriter", ignored); |
| } |
| } |
| } |
| return stringOut.toString(); |
| } finally { |
| if (stringOut != null) { |
| try { |
| stringOut.close(); |
| } catch (IOException ex) { |
| LOGGER.finest("An exception occured when trying to close StringWriter", ex); |
| } |
| } |
| } |
| } |
| |
| public static byte[] toBytes(Message message, String encoding) throws XMLStreamException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| |
| try { |
| if (message != null) { |
| XMLStreamWriter xsw = xmlOutputFactory.get().createXMLStreamWriter(baos, encoding); |
| try { |
| message.writeTo(xsw); |
| } finally { |
| try { |
| xsw.close(); |
| } catch (XMLStreamException ex) { |
| LOGGER.warning("Unexpected exception occured while closing XMLStreamWriter", ex); |
| } |
| } |
| } |
| |
| return baos.toByteArray(); |
| } finally { |
| try { |
| baos.close(); |
| } catch (IOException ex) { |
| LOGGER.warning("Unexpected exception occured while closing ByteArrayOutputStream", ex); |
| } |
| } |
| } |
| |
| /** |
| * Converts JAX-WS RI message represented as input stream back to Message |
| * object. |
| * |
| * @param dataStream message data stream |
| * @param encoding message data stream encoding |
| * |
| * @return {@link com.sun.xml.internal.ws.api.message.Message} object created from the data stream |
| */ |
| public static Message toMessage(@NotNull InputStream dataStream, String encoding) throws XMLStreamException { |
| XMLStreamReader xsr = XmlUtil.newXMLInputFactory(true).createXMLStreamReader(dataStream, encoding); |
| return Messages.create(xsr); |
| } |
| |
| public static String messageDataToString(final byte[] data, final String encoding) { |
| try { |
| return toString(toMessage(new ByteArrayInputStream(data), encoding)); |
| // closing ByteArrayInputStream has no effect, so ignoring the redundant call |
| } catch (XMLStreamException ex) { |
| LOGGER.warning("Unexpected exception occured while converting message data to string", ex); |
| return "[ Message Data Conversion Failed ]"; |
| } |
| } |
| |
| /** |
| * Wraps {@link javax.xml.stream.XMLStreamWriter} by an indentation engine if possible. |
| * |
| * <p> |
| * We can do this only when we have <tt>stax-utils.jar</tt> in the class path. |
| */ |
| private static XMLStreamWriter createIndenter(XMLStreamWriter writer) { |
| try { |
| Class<?> clazz = Converter.class.getClassLoader().loadClass("javanet.staxutils.IndentingXMLStreamWriter"); |
| Constructor<?> c = clazz.getConstructor(XMLStreamWriter.class); |
| writer = XMLStreamWriter.class.cast(c.newInstance(writer)); |
| } catch (Exception ex) { |
| // if stax-utils.jar is not in the classpath, this will fail |
| // so, we'll just have to do without indentation |
| if (logMissingStaxUtilsWarning.compareAndSet(false, true)) { |
| LOGGER.log(Level.WARNING, "Put stax-utils.jar to the classpath to indent the dump output", ex); |
| } |
| } |
| return writer; |
| } |
| } |