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package org.mule; |
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import org.mule.api.MuleContext; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.MuleMessageCollection; |
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import org.mule.api.ThreadSafeAccess; |
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import org.mule.api.transformer.DataType; |
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import org.mule.api.transformer.TransformerException; |
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import org.mule.transformer.types.DataTypeFactory; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import edu.emory.mathcs.backport.java.util.concurrent.CopyOnWriteArrayList; |
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public class DefaultMessageCollection extends DefaultMuleMessage implements MuleMessageCollection |
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{ |
39 | 0 | private List messageList = new CopyOnWriteArrayList(); |
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private boolean invalidatedPayload; |
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public DefaultMessageCollection(MuleContext muleContext) |
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{ |
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46 | 0 | super(new CopyOnWriteArrayList(), muleContext); |
47 | 0 | invalidatedPayload = false; |
48 | 0 | } |
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public DefaultMessageCollection(DefaultMessageCollection msg, MuleContext muleContext) |
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{ |
57 | 0 | this(muleContext); |
58 | 0 | if (!msg.invalidatedPayload) |
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{ |
60 | 0 | for (int i = 0; i < msg.getMessagesAsArray().length; i++) |
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{ |
62 | 0 | addMessage(msg.getMessagesAsArray()[i]); |
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} |
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} |
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else |
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{ |
67 | 0 | invalidatedPayload = true; |
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} |
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70 | 0 | } |
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protected void checkValidPayload() |
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{ |
74 | 0 | if (invalidatedPayload) |
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{ |
76 | 0 | throw new IllegalStateException("Payload was invalidated calling setPayload and the message is not collection anymore."); |
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} |
78 | 0 | } |
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public void addMessage(MuleMessage message) |
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{ |
82 | 0 | checkValidPayload(); |
83 | 0 | getMessageList().add(message); |
84 | 0 | getPayloadList().add(message.getPayload()); |
85 | 0 | } |
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public MuleMessage[] getMessagesAsArray() |
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{ |
89 | 0 | checkValidPayload(); |
90 | 0 | List list = getMessageList(); |
91 | 0 | MuleMessage[] messages = new MuleMessage[list.size()]; |
92 | 0 | messages = (MuleMessage[])list.toArray(messages); |
93 | 0 | return messages; |
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} |
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public Object[] getPayloadsAsArray() |
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{ |
98 | 0 | checkValidPayload(); |
99 | 0 | List list = getPayloadList(); |
100 | 0 | Object[] payloads = new Object[list.size()]; |
101 | 0 | payloads = list.toArray(payloads); |
102 | 0 | return payloads; |
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} |
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public void removedMessage(MuleMessage message) |
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{ |
107 | 0 | checkValidPayload(); |
108 | 0 | getMessageList().remove(message); |
109 | 0 | getPayloadList().remove(message.getPayload()); |
110 | 0 | } |
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public void addMessage(MuleMessage message, int index) |
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{ |
114 | 0 | checkValidPayload(); |
115 | 0 | getMessageList().add(index, message); |
116 | 0 | getPayloadList().add(index, message.getPayload()); |
117 | 0 | } |
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public void addMessages(MuleEvent[] events) |
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{ |
121 | 0 | checkValidPayload(); |
122 | 0 | for (int i = 0; i < events.length; i++) |
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{ |
124 | 0 | MuleEvent event = events[i]; |
125 | 0 | addMessage(event.getMessage()); |
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} |
127 | 0 | } |
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public void addMessages(List messages) |
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{ |
131 | 0 | checkValidPayload(); |
132 | 0 | for (Iterator iterator = messages.iterator(); iterator.hasNext(); ) |
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{ |
134 | 0 | MuleMessage message = (MuleMessage) iterator.next(); |
135 | 0 | addMessage(message); |
136 | 0 | } |
137 | 0 | } |
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public void addMessages(MuleMessage[] messages) |
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{ |
141 | 0 | checkValidPayload(); |
142 | 0 | for (int i = 0; i < messages.length; i++) |
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{ |
144 | 0 | addMessage(messages[i]); |
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} |
146 | 0 | } |
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public MuleMessage getMessage(int index) |
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{ |
150 | 0 | checkValidPayload(); |
151 | 0 | return (MuleMessage) getMessageList().get(index); |
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} |
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protected List getMessageList() |
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{ |
156 | 0 | checkValidPayload(); |
157 | 0 | return messageList; |
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} |
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protected List getPayloadList() |
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{ |
162 | 0 | checkValidPayload(); |
163 | 0 | return (List) getPayload(); |
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} |
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@Override |
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public synchronized void setPayload(Object payload) |
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{ |
169 | 0 | if (this.getPayload() == payload) |
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{ |
171 | 0 | return; |
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} |
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else |
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{ |
175 | 0 | super.setPayload(payload); |
176 | 0 | invalidatedPayload = true; |
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} |
178 | 0 | } |
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@Override |
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public Object getPayload(Class outputType) throws TransformerException |
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{ |
189 | 0 | if (invalidatedPayload) |
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{ |
191 | 0 | return super.getPayload(outputType); |
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} |
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else |
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{ |
195 | 0 | DataType outputDataType = DataTypeFactory.create(outputType); |
196 | 0 | List results = new ArrayList(getMessageList().size()); |
197 | 0 | for (Iterator iterator = getMessageList().iterator(); iterator.hasNext(); ) |
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{ |
199 | 0 | MuleMessage message = (MuleMessage) iterator.next(); |
200 | 0 | results.add(message.getPayload(outputDataType)); |
201 | 0 | } |
202 | 0 | return results; |
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} |
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} |
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public int size() |
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{ |
208 | 0 | checkValidPayload(); |
209 | 0 | return getMessageList().size(); |
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} |
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@Override |
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public byte[] getPayloadAsBytes() throws Exception |
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{ |
218 | 0 | if (invalidatedPayload) |
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{ |
220 | 0 | return super.getPayloadAsBytes(); |
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} |
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else |
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{ |
224 | 0 | throw new UnsupportedOperationException("getPayloadAsBytes(), use getPayload(DataType.BYTE_ARRAY_DATA_TYPE)"); |
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} |
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} |
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@Override |
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public String getPayloadAsString(String encoding) throws Exception |
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{ |
234 | 0 | if (invalidatedPayload) |
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{ |
236 | 0 | return super.getPayloadAsString(encoding); |
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} |
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else |
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{ |
240 | 0 | throw new UnsupportedOperationException("getPayloadAsString(), use getPayload(DataType.STRING_DATA_TYPE)"); |
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} |
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} |
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@Override |
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public String getPayloadForLogging(String encoding) |
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{ |
250 | 0 | if (invalidatedPayload) |
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{ |
252 | 0 | return super.getPayloadForLogging(encoding); |
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} |
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else |
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{ |
256 | 0 | return "[This is a message collection]"; |
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} |
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} |
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@Override |
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public String getPayloadForLogging() |
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{ |
266 | 0 | if (invalidatedPayload) |
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{ |
268 | 0 | return super.getPayloadForLogging(); |
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} |
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else |
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{ |
272 | 0 | return "[This is a message collection]"; |
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} |
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} |
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public ThreadSafeAccess newThreadCopy() |
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{ |
281 | 0 | checkValidPayload(); |
282 | 0 | return new DefaultMessageCollection(this, muleContext); |
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} |
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@Override |
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public MuleMessage createInboundMessage() throws Exception |
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{ |
291 | 0 | if (invalidatedPayload) |
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{ |
293 | 0 | return super.createInboundMessage(); |
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} |
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else |
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{ |
297 | 0 | DefaultMessageCollection newMessage = new DefaultMessageCollection(getMuleContext()); |
298 | 0 | MuleMessage[] messages = getMessagesAsArray(); |
299 | 0 | for (MuleMessage message : messages) |
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{ |
301 | 0 | newMessage.addMessage(message.createInboundMessage()); |
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} |
303 | 0 | copyToInbound(newMessage); |
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305 | 0 | return newMessage; |
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} |
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} |
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public boolean isInvalidatedPayload() |
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{ |
311 | 0 | return invalidatedPayload; |
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} |
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} |