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Diffstat (limited to 'qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSTextMessage.java')
-rw-r--r--qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSTextMessage.java189
1 files changed, 189 insertions, 0 deletions
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSTextMessage.java b/qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSTextMessage.java
new file mode 100644
index 0000000000..fc2006a119
--- /dev/null
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSTextMessage.java
@@ -0,0 +1,189 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.client.message;
+
+import java.io.UnsupportedEncodingException;
+import java.nio.charset.CharacterCodingException;
+import java.nio.charset.Charset;
+
+import javax.jms.JMSException;
+
+import org.apache.mina.common.ByteBuffer;
+import org.apache.qpid.AMQException;
+import org.apache.qpid.client.CustomJMSXProperty;
+import org.apache.qpid.framing.AMQShortString;
+import org.apache.qpid.framing.BasicContentHeaderProperties;
+import org.apache.qpid.util.Strings;
+
+public class JMSTextMessage extends AbstractJMSMessage implements javax.jms.TextMessage
+{
+ private static final String MIME_TYPE = "text/plain";
+
+ private String _decodedValue;
+
+ /**
+ * This constant represents the name of a property that is set when the message payload is null.
+ */
+ private static final String PAYLOAD_NULL_PROPERTY = CustomJMSXProperty.JMS_AMQP_NULL.toString();
+ private static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
+
+ public JMSTextMessage(AMQMessageDelegateFactory delegateFactory) throws JMSException
+ {
+ this(delegateFactory, null, null);
+ }
+
+ JMSTextMessage(AMQMessageDelegateFactory delegateFactory, ByteBuffer data, String encoding) throws JMSException
+ {
+ super(delegateFactory, data); // this instantiates a content header
+ setContentType(getMimeType());
+ setEncoding(encoding);
+ }
+
+ JMSTextMessage(AMQMessageDelegate delegate, ByteBuffer data)
+ throws AMQException
+ {
+ super(delegate, data);
+ setContentType(getMimeType());
+ _data = data;
+ }
+
+
+ public void clearBodyImpl() throws JMSException
+ {
+ if (_data != null)
+ {
+ _data.release();
+ _data = null;
+ }
+
+ _decodedValue = null;
+ }
+
+ public String toBodyString() throws JMSException
+ {
+ return getText();
+ }
+
+ protected String getMimeType()
+ {
+ return MIME_TYPE;
+ }
+
+ public void setText(String text) throws JMSException
+ {
+ checkWritable();
+
+ clearBody();
+ try
+ {
+ if (text != null)
+ {
+ final String encoding = getEncoding();
+ if (encoding == null || encoding.equalsIgnoreCase("UTF-8"))
+ {
+ _data = ByteBuffer.wrap(Strings.toUTF8(text));
+ setEncoding("UTF-8");
+ }
+ else
+ {
+ _data = ByteBuffer.wrap(text.getBytes(encoding));
+ }
+ _data.position(_data.limit());
+ _changedData=true;
+ }
+ _decodedValue = text;
+ }
+ catch (UnsupportedEncodingException e)
+ {
+ // should never occur
+ JMSException jmse = new JMSException("Unable to decode text data");
+ jmse.setLinkedException(e);
+ jmse.initCause(e);
+ throw jmse;
+ }
+ }
+
+ public String getText() throws JMSException
+ {
+ if (_data == null && _decodedValue == null)
+ {
+ return null;
+ }
+ else if (_decodedValue != null)
+ {
+ return _decodedValue;
+ }
+ else
+ {
+ _data.rewind();
+
+ if (propertyExists(PAYLOAD_NULL_PROPERTY) && getBooleanProperty(PAYLOAD_NULL_PROPERTY))
+ {
+ return null;
+ }
+ if (getEncoding() != null)
+ {
+ try
+ {
+ _decodedValue = _data.getString(Charset.forName(getEncoding()).newDecoder());
+ }
+ catch (CharacterCodingException e)
+ {
+ JMSException jmse = new JMSException("Could not decode string data: " + e);
+ jmse.setLinkedException(e);
+ jmse.initCause(e);
+ throw jmse;
+ }
+ }
+ else
+ {
+ try
+ {
+ _decodedValue = _data.getString(DEFAULT_CHARSET.newDecoder());
+ }
+ catch (CharacterCodingException e)
+ {
+ JMSException jmse = new JMSException("Could not decode string data: " + e);
+ jmse.setLinkedException(e);
+ jmse.initCause(e);
+ throw jmse;
+ }
+ }
+ return _decodedValue;
+ }
+ }
+
+ @Override
+ public void prepareForSending() throws JMSException
+ {
+ super.prepareForSending();
+ if (_data == null)
+ {
+ setBooleanProperty(PAYLOAD_NULL_PROPERTY, true);
+ }
+ else
+ {
+ removeProperty(PAYLOAD_NULL_PROPERTY);
+ }
+ }
+
+
+}