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package org.mule.transport.jms; |
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import org.mule.api.transport.OutputHandler; |
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import org.mule.util.ArrayUtils; |
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import org.mule.util.ClassUtils; |
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import org.mule.util.IOUtils; |
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import org.mule.util.StringUtils; |
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|
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.ObjectOutputStream; |
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import java.io.Serializable; |
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import java.text.MessageFormat; |
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import java.util.ArrayList; |
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import java.util.Enumeration; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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|
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import javax.jms.BytesMessage; |
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import javax.jms.Destination; |
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import javax.jms.JMSException; |
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import javax.jms.MapMessage; |
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import javax.jms.Message; |
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import javax.jms.MessageEOFException; |
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import javax.jms.MessageFormatException; |
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import javax.jms.ObjectMessage; |
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import javax.jms.Queue; |
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import javax.jms.Session; |
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import javax.jms.StreamMessage; |
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import javax.jms.TextMessage; |
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import javax.jms.Topic; |
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|
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import org.apache.commons.io.output.ByteArrayOutputStream; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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|
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|
49 | 0 | public class JmsMessageUtils |
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{ |
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public static final char REPLACEMENT_CHAR = '_'; |
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|
53 | 0 | private static final Log logger = LogFactory.getLog(JmsMessageUtils.class); |
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|
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|
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|
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public static String encodeHeader(String name) |
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{ |
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|
64 | 0 | boolean nonCompliant = false; |
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|
66 | 0 | if (StringUtils.isEmpty(name)) |
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{ |
68 | 0 | throw new IllegalArgumentException("Header name to encode must not be null or empty"); |
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} |
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|
71 | 0 | int i = 0, length = name.length(); |
72 | 0 | while (i < length && Character.isJavaIdentifierPart(name.charAt(i))) |
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{ |
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|
75 | 0 | i++; |
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} |
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|
78 | 0 | if (i == length) |
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{ |
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|
81 | 0 | return name; |
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} |
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else |
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{ |
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|
86 | 0 | StringBuffer sb = new StringBuffer(name); |
87 | 0 | for (int j = i; j < length; j++) |
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{ |
89 | 0 | if (!Character.isJavaIdentifierPart(sb.charAt(j))) |
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{ |
91 | 0 | sb.setCharAt(j, REPLACEMENT_CHAR); |
92 | 0 | nonCompliant = true; |
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} |
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} |
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|
96 | 0 | if (nonCompliant) |
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{ |
98 | 0 | logger.warn(MessageFormat.format( |
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"Header: {0} is not compliant with JMS specification (sec. 3.5.1, 3.8.1.1). It will cause " + |
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"problems in your and other applications. Please update your application code to correct this. " + |
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"Mule renamed it to {1}", name, sb.toString())); |
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} |
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|
104 | 0 | return sb.toString(); |
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} |
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} |
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|
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public static Message toMessage(Object object, Session session) throws JMSException |
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{ |
110 | 0 | if (object instanceof Message) |
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{ |
112 | 0 | return (Message) object; |
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} |
114 | 0 | else if (object instanceof String) |
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{ |
116 | 0 | return stringToMessage((String) object, session); |
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} |
118 | 0 | else if (object instanceof Map<?, ?> && validateMapMessageType((Map<?, ?>)object)) |
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{ |
120 | 0 | return mapToMessage((Map<?, ?>) object, session); |
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} |
122 | 0 | else if (object instanceof InputStream) |
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{ |
124 | 0 | return inputStreamToMessage((InputStream) object, session); |
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} |
126 | 0 | else if (object instanceof List<?>) |
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{ |
128 | 0 | return listToMessage((List<?>) object, session); |
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} |
130 | 0 | else if (object instanceof byte[]) |
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{ |
132 | 0 | return byteArrayToMessage((byte[]) object, session); |
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} |
134 | 0 | else if (object instanceof Serializable) |
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{ |
136 | 0 | return serializableToMessage((Serializable) object, session); |
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} |
138 | 0 | else if (object instanceof OutputHandler) |
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{ |
140 | 0 | return outputHandlerToMessage((OutputHandler) object, session); |
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} |
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else |
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{ |
144 | 0 | throw new JMSException( |
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"Source was not of a supported type. Valid types are Message, String, Map, InputStream, List, byte[], Serializable or OutputHandler, " |
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+ "but was " + ClassUtils.getShortClassName(object, "<null>")); |
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} |
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} |
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|
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private static Message stringToMessage(String value, Session session) throws JMSException |
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{ |
152 | 0 | return session.createTextMessage(value); |
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} |
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|
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private static Message mapToMessage(Map<?, ?> value, Session session) throws JMSException |
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{ |
157 | 0 | MapMessage mMsg = session.createMapMessage(); |
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|
159 | 0 | for (Iterator<?> i = value.entrySet().iterator(); i.hasNext();) |
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{ |
161 | 0 | Map.Entry<?, ?> entry = (Map.Entry<?, ?>) i.next(); |
162 | 0 | mMsg.setObject(entry.getKey().toString(), entry.getValue()); |
163 | 0 | } |
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|
165 | 0 | return mMsg; |
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} |
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|
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private static Message inputStreamToMessage(InputStream value, Session session) throws JMSException |
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{ |
170 | 0 | StreamMessage streamMessage = session.createStreamMessage(); |
171 | 0 | byte[] buffer = new byte[4096]; |
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int len; |
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|
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try |
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{ |
176 | 0 | while ((len = value.read(buffer)) != -1) |
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{ |
178 | 0 | streamMessage.writeBytes(buffer, 0, len); |
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} |
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} |
181 | 0 | catch (IOException e) |
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{ |
183 | 0 | throw new JMSException("Failed to read input stream to create a stream message: " + e); |
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} |
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finally |
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{ |
187 | 0 | IOUtils.closeQuietly(value); |
188 | 0 | } |
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|
190 | 0 | return streamMessage; |
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} |
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|
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private static Message listToMessage(List<?> value, Session session) |
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throws JMSException |
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{ |
196 | 0 | StreamMessage sMsg = session.createStreamMessage(); |
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|
198 | 0 | for (Iterator<?> iter = value.iterator(); iter.hasNext();) |
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{ |
200 | 0 | Object o = iter.next(); |
201 | 0 | if (validateStreamMessageType(o)) |
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{ |
203 | 0 | sMsg.writeObject(o); |
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} |
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else |
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{ |
207 | 0 | throw new MessageFormatException(String.format( |
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"Invalid type passed to StreamMessage: %s . Allowed types are: " |
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+ "Boolean, Byte, Short, Character, Integer, Long, Float, Double," |
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+ "String and byte[]", ClassUtils.getShortClassName(o, "null"))); |
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} |
212 | 0 | } |
213 | 0 | return sMsg; |
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} |
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private static Message byteArrayToMessage(byte[] value, Session session) throws JMSException |
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{ |
218 | 0 | BytesMessage bMsg = session.createBytesMessage(); |
219 | 0 | bMsg.writeBytes(value); |
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|
221 | 0 | return bMsg; |
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} |
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|
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private static Message serializableToMessage(Serializable value, Session session) throws JMSException |
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{ |
226 | 0 | ObjectMessage oMsg = session.createObjectMessage(); |
227 | 0 | oMsg.setObject(value); |
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|
229 | 0 | return oMsg; |
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} |
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|
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private static Message outputHandlerToMessage(OutputHandler value, Session session) throws JMSException |
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{ |
234 | 0 | ByteArrayOutputStream output = new ByteArrayOutputStream(); |
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try |
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{ |
237 | 0 | value.write(null, output); |
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} |
239 | 0 | catch (IOException e) |
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{ |
241 | 0 | JMSException j = new JMSException("Could not serialize OutputHandler."); |
242 | 0 | j.initCause(e); |
243 | 0 | throw j; |
244 | 0 | } |
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|
246 | 0 | BytesMessage bMsg = session.createBytesMessage(); |
247 | 0 | bMsg.writeBytes(output.toByteArray()); |
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|
249 | 0 | return bMsg; |
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} |
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|
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public static Object toObject(Message source, String jmsSpec, String encoding) throws JMSException, IOException |
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{ |
254 | 0 | if (source instanceof ObjectMessage) |
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{ |
256 | 0 | return ((ObjectMessage) source).getObject(); |
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} |
258 | 0 | else if (source instanceof MapMessage) |
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{ |
260 | 0 | Map<String, Object> map = new HashMap<String, Object>(); |
261 | 0 | MapMessage m = (MapMessage) source; |
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|
263 | 0 | for (Enumeration<?> e = m.getMapNames(); e.hasMoreElements();) |
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{ |
265 | 0 | String name = (String) e.nextElement(); |
266 | 0 | Object obj = m.getObject(name); |
267 | 0 | map.put(name, obj); |
268 | 0 | } |
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|
270 | 0 | return map; |
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} |
272 | 0 | else if (source instanceof TextMessage) |
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{ |
274 | 0 | return ((TextMessage) source).getText(); |
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} |
276 | 0 | else if (source instanceof BytesMessage) |
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{ |
278 | 0 | return toByteArray(source, jmsSpec, encoding); |
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} |
280 | 0 | else if (source instanceof StreamMessage) |
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{ |
282 | 0 | List<Object> result = new ArrayList<Object>(); |
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try |
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{ |
285 | 0 | StreamMessage sMsg = (StreamMessage) source; |
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Object obj; |
287 | 0 | while ((obj = sMsg.readObject()) != null) |
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{ |
289 | 0 | result.add(obj); |
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} |
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} |
292 | 0 | catch (MessageEOFException eof) |
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{ |
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|
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} |
296 | 0 | catch (Exception e) |
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{ |
298 | 0 | throw new JMSException("Failed to extract information from JMS Stream Message: " + e); |
299 | 0 | } |
300 | 0 | return result; |
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} |
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|
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|
304 | 0 | return source; |
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} |
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public static byte[] toByteArray(Message message, String jmsSpec, String encoding) throws JMSException, IOException |
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{ |
323 | 0 | if (message instanceof BytesMessage) |
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{ |
325 | 0 | BytesMessage bMsg = (BytesMessage) message; |
326 | 0 | bMsg.reset(); |
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|
328 | 0 | if (JmsConstants.JMS_SPECIFICATION_11.equals(jmsSpec)) |
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{ |
330 | 0 | long bmBodyLength = bMsg.getBodyLength(); |
331 | 0 | if (bmBodyLength > Integer.MAX_VALUE) |
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{ |
333 | 0 | throw new JMSException("Size of BytesMessage exceeds Integer.MAX_VALUE; " |
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+ "please consider using JMS StreamMessage instead"); |
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} |
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|
337 | 0 | if (bmBodyLength > 0) |
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{ |
339 | 0 | byte[] bytes = new byte[(int) bmBodyLength]; |
340 | 0 | bMsg.readBytes(bytes); |
341 | 0 | return bytes; |
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} |
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else |
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{ |
345 | 0 | return ArrayUtils.EMPTY_BYTE_ARRAY; |
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} |
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} |
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else |
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{ |
350 | 0 | ByteArrayOutputStream baos = new ByteArrayOutputStream(4096); |
351 | 0 | byte[] buffer = new byte[4096]; |
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int len; |
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|
354 | 0 | while ((len = bMsg.readBytes(buffer)) != -1) |
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{ |
356 | 0 | baos.write(buffer, 0, len); |
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} |
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|
359 | 0 | if (baos.size() > 0) |
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{ |
361 | 0 | return baos.toByteArray(); |
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} |
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else |
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{ |
365 | 0 | return ArrayUtils.EMPTY_BYTE_ARRAY; |
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} |
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} |
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} |
369 | 0 | else if (message instanceof StreamMessage) |
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{ |
371 | 0 | StreamMessage sMsg = (StreamMessage) message; |
372 | 0 | sMsg.reset(); |
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|
374 | 0 | ByteArrayOutputStream baos = new ByteArrayOutputStream(4096); |
375 | 0 | byte[] buffer = new byte[4096]; |
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int len; |
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|
378 | 0 | while ((len = sMsg.readBytes(buffer)) != -1) |
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{ |
380 | 0 | baos.write(buffer, 0, len); |
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} |
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|
383 | 0 | return baos.toByteArray(); |
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} |
385 | 0 | else if (message instanceof ObjectMessage) |
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{ |
387 | 0 | ObjectMessage oMsg = (ObjectMessage) message; |
388 | 0 | ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
389 | 0 | ObjectOutputStream os = new ObjectOutputStream(baos); |
390 | 0 | os.writeObject(oMsg.getObject()); |
391 | 0 | os.flush(); |
392 | 0 | os.close(); |
393 | 0 | return baos.toByteArray(); |
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} |
395 | 0 | else if (message instanceof TextMessage) |
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{ |
397 | 0 | TextMessage tMsg = (TextMessage) message; |
398 | 0 | String tMsgText = tMsg.getText(); |
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|
400 | 0 | if (null == tMsgText) |
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{ |
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|
404 | 0 | return ArrayUtils.EMPTY_BYTE_ARRAY; |
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} |
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else |
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{ |
408 | 0 | return tMsgText.getBytes(encoding); |
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} |
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} |
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else |
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{ |
413 | 0 | throw new JMSException("Cannot get bytes from Map Message"); |
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} |
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} |
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|
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public static String getNameForDestination(Destination dest) throws JMSException |
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{ |
419 | 0 | if (dest instanceof Queue) |
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{ |
421 | 0 | return ((Queue) dest).getQueueName(); |
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} |
423 | 0 | else if (dest instanceof Topic) |
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{ |
425 | 0 | return ((Topic) dest).getTopicName(); |
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} |
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else |
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{ |
429 | 0 | return null; |
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} |
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} |
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|
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public static Message copyJMSProperties(Message from, Message to, JmsConnector connector) |
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throws JMSException |
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{ |
436 | 0 | if (connector.supportsProperty(JmsConstants.JMS_CORRELATION_ID)) |
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{ |
438 | 0 | to.setJMSCorrelationID(from.getJMSCorrelationID()); |
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} |
440 | 0 | if (connector.supportsProperty(JmsConstants.JMS_DELIVERY_MODE)) |
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{ |
442 | 0 | to.setJMSDeliveryMode(from.getJMSDeliveryMode()); |
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} |
444 | 0 | if (connector.supportsProperty(JmsConstants.JMS_DESTINATION)) |
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{ |
446 | 0 | to.setJMSDestination(from.getJMSDestination()); |
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} |
448 | 0 | if (connector.supportsProperty(JmsConstants.JMS_EXPIRATION)) |
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{ |
450 | 0 | to.setJMSExpiration(from.getJMSExpiration()); |
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} |
452 | 0 | if (connector.supportsProperty(JmsConstants.JMS_MESSAGE_ID)) |
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{ |
454 | 0 | to.setJMSMessageID(from.getJMSMessageID()); |
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} |
456 | 0 | if (connector.supportsProperty(JmsConstants.JMS_PRIORITY)) |
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{ |
458 | 0 | to.setJMSPriority(from.getJMSPriority()); |
459 | |
} |
460 | 0 | if (connector.supportsProperty(JmsConstants.JMS_REDELIVERED)) |
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{ |
462 | 0 | to.setJMSRedelivered(from.getJMSRedelivered()); |
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} |
464 | 0 | if (connector.supportsProperty(JmsConstants.JMS_REPLY_TO)) |
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{ |
466 | 0 | to.setJMSReplyTo(from.getJMSReplyTo()); |
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} |
468 | 0 | if (connector.supportsProperty(JmsConstants.JMS_TIMESTAMP)) |
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{ |
470 | 0 | to.setJMSTimestamp(from.getJMSTimestamp()); |
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} |
472 | 0 | if (connector.supportsProperty(JmsConstants.JMS_TYPE)) |
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{ |
474 | 0 | to.setJMSType(from.getJMSType()); |
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} |
476 | 0 | return to; |
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} |
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protected static boolean validateStreamMessageType(Object candidate) |
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{ |
490 | 0 | if (candidate == null || |
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candidate instanceof Boolean || |
492 | |
candidate instanceof Byte || |
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candidate instanceof Short || |
494 | |
candidate instanceof Character || |
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candidate instanceof Integer || |
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candidate instanceof Long || |
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candidate instanceof Float || |
498 | |
candidate instanceof Double || |
499 | |
candidate instanceof String || |
500 | |
candidate instanceof byte[]) |
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{ |
502 | 0 | return true; |
503 | |
} |
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|
505 | 0 | return false; |
506 | |
} |
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protected static boolean validateMapMessageType(Map<?, ?> candidate) |
519 | |
{ |
520 | 0 | for (Iterator<?> iterator = candidate.values().iterator(); iterator.hasNext();) |
521 | |
{ |
522 | 0 | Object o = iterator.next(); |
523 | 0 | if (!validateStreamMessageType(o)) |
524 | |
{ |
525 | 0 | return false; |
526 | |
} |
527 | 0 | } |
528 | 0 | return true; |
529 | |
} |
530 | |
} |