1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/commons/xmlutil/Converter.java Tue Apr 09 14:51:13 2013 +0100
1.3 @@ -0,0 +1,193 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.xml.internal.ws.commons.xmlutil;
1.30 +
1.31 +import com.sun.istack.internal.NotNull;
1.32 +import com.sun.istack.internal.logging.Logger;
1.33 +import com.sun.xml.internal.ws.api.message.Message;
1.34 +import com.sun.xml.internal.ws.api.message.Messages;
1.35 +import com.sun.xml.internal.ws.api.message.Packet;
1.36 +import com.sun.xml.internal.ws.util.xml.XmlUtil;
1.37 +
1.38 +import javax.xml.stream.*;
1.39 +import javax.xml.xpath.XPathFactoryConfigurationException;
1.40 +import java.io.*;
1.41 +import java.lang.reflect.Constructor;
1.42 +import java.util.concurrent.atomic.AtomicBoolean;
1.43 +import java.util.logging.Level;
1.44 +
1.45 +/**
1.46 + * Utility class that provides conversion of different XML representations
1.47 + * from/to various other formats
1.48 + *
1.49 + * @author Marek Potociar
1.50 + */
1.51 +public final class Converter {
1.52 +
1.53 + public static final String UTF_8 = "UTF-8";
1.54 +
1.55 + private Converter() {
1.56 + // prevents instantiation
1.57 + }
1.58 + private static final Logger LOGGER = Logger.getLogger(Converter.class);
1.59 + private static final XMLOutputFactory xmlOutputFactory = XMLOutputFactory.newInstance();
1.60 + private static final AtomicBoolean logMissingStaxUtilsWarning = new AtomicBoolean(false);
1.61 +
1.62 + /**
1.63 + * Converts a throwable to String
1.64 + *
1.65 + * @param throwable
1.66 + * @return String representation of throwable
1.67 + */
1.68 + public static String toString(Throwable throwable) {
1.69 + if (throwable == null) {
1.70 + return "[ No exception ]";
1.71 + }
1.72 +
1.73 + StringWriter stringOut = new StringWriter();
1.74 + throwable.printStackTrace(new PrintWriter(stringOut));
1.75 +
1.76 + return stringOut.toString();
1.77 + }
1.78 +
1.79 + public static String toString(Packet packet) {
1.80 + if (packet == null) {
1.81 + return "[ Null packet ]";
1.82 + } else if (packet.getMessage() == null) {
1.83 + return "[ Empty packet ]";
1.84 + }
1.85 +
1.86 + return toString(packet.getMessage());
1.87 +
1.88 + }
1.89 +
1.90 + public static String toString(Message message) {
1.91 + if (message == null) {
1.92 + return "[ Null message ]";
1.93 + }
1.94 + StringWriter stringOut = null;
1.95 + try {
1.96 + stringOut = new StringWriter();
1.97 + XMLStreamWriter writer = null;
1.98 + try {
1.99 + writer = xmlOutputFactory.createXMLStreamWriter(stringOut);
1.100 + writer = createIndenter(writer);
1.101 + message.copy().writeTo(writer);
1.102 + } catch (Exception e) { // WSIT-1596 - Message Dumping should not affect other processing
1.103 + LOGGER.log(Level.WARNING, "Unexpected exception occured while dumping message", e);
1.104 + } finally {
1.105 + if (writer != null) {
1.106 + try {
1.107 + writer.close();
1.108 + } catch (XMLStreamException ignored) {
1.109 + LOGGER.fine("Unexpected exception occured while closing XMLStreamWriter", ignored);
1.110 + }
1.111 + }
1.112 + }
1.113 + return stringOut.toString();
1.114 + } finally {
1.115 + if (stringOut != null) {
1.116 + try {
1.117 + stringOut.close();
1.118 + } catch (IOException ex) {
1.119 + LOGGER.finest("An exception occured when trying to close StringWriter", ex);
1.120 + }
1.121 + }
1.122 + }
1.123 + }
1.124 +
1.125 + public static byte[] toBytes(Message message, String encoding) throws XMLStreamException {
1.126 + ByteArrayOutputStream baos = new ByteArrayOutputStream();
1.127 +
1.128 + try {
1.129 + if (message != null) {
1.130 + XMLStreamWriter xsw = xmlOutputFactory.createXMLStreamWriter(baos, encoding);
1.131 + try {
1.132 + message.writeTo(xsw);
1.133 + } finally {
1.134 + try {
1.135 + xsw.close();
1.136 + } catch (XMLStreamException ex) {
1.137 + LOGGER.warning("Unexpected exception occured while closing XMLStreamWriter", ex);
1.138 + }
1.139 + }
1.140 + }
1.141 +
1.142 + return baos.toByteArray();
1.143 + } finally {
1.144 + try {
1.145 + baos.close();
1.146 + } catch (IOException ex) {
1.147 + LOGGER.warning("Unexpected exception occured while closing ByteArrayOutputStream", ex);
1.148 + }
1.149 + }
1.150 + }
1.151 +
1.152 + /**
1.153 + * Converts JAX-WS RI message represented as input stream back to Message
1.154 + * object.
1.155 + *
1.156 + * @param dataStream message data stream
1.157 + * @param encoding message data stream encoding
1.158 + *
1.159 + * @return {@link com.sun.xml.internal.ws.api.message.Message} object created from the data stream
1.160 + */
1.161 + public static Message toMessage(@NotNull InputStream dataStream, String encoding) throws XMLStreamException {
1.162 + XMLStreamReader xsr = XmlUtil.newXMLInputFactory(true).createXMLStreamReader(dataStream, encoding);
1.163 + return Messages.create(xsr);
1.164 + }
1.165 +
1.166 + public static String messageDataToString(final byte[] data, final String encoding) {
1.167 + try {
1.168 + return toString(toMessage(new ByteArrayInputStream(data), encoding));
1.169 + // closing ByteArrayInputStream has no effect, so ignoring the redundant call
1.170 + } catch (XMLStreamException ex) {
1.171 + LOGGER.warning("Unexpected exception occured while converting message data to string", ex);
1.172 + return "[ Message Data Conversion Failed ]";
1.173 + }
1.174 + }
1.175 +
1.176 + /**
1.177 + * Wraps {@link javax.xml.stream.XMLStreamWriter} by an indentation engine if possible.
1.178 + *
1.179 + * <p>
1.180 + * We can do this only when we have <tt>stax-utils.jar</tt> in the class path.
1.181 + */
1.182 + private static XMLStreamWriter createIndenter(XMLStreamWriter writer) {
1.183 + try {
1.184 + Class<?> clazz = Converter.class.getClassLoader().loadClass("javanet.staxutils.IndentingXMLStreamWriter");
1.185 + Constructor<?> c = clazz.getConstructor(XMLStreamWriter.class);
1.186 + writer = XMLStreamWriter.class.cast(c.newInstance(writer));
1.187 + } catch (Exception ex) {
1.188 + // if stax-utils.jar is not in the classpath, this will fail
1.189 + // so, we'll just have to do without indentation
1.190 + if (logMissingStaxUtilsWarning.compareAndSet(false, true)) {
1.191 + LOGGER.log(Level.WARNING, "Put stax-utils.jar to the classpath to indent the dump output", ex);
1.192 + }
1.193 + }
1.194 + return writer;
1.195 + }
1.196 +}
