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package org.mule.routing.outbound; |
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import org.mule.DefaultMuleEvent; |
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import org.mule.DefaultMuleMessage; |
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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.MuleSession; |
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import org.mule.api.routing.RoutingException; |
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import org.mule.config.i18n.CoreMessages; |
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22 | 0 | public class MessageChunkingRouter extends FilteringOutboundRouter |
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{ |
24 | 0 | private int messageSize = 0; |
25 | 0 | private int numberOfMessages = 1; |
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public int getMessageSize() |
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{ |
29 | 0 | return messageSize; |
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} |
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public void setMessageSize(int messageSize) |
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{ |
34 | 0 | this.messageSize = messageSize; |
35 | 0 | } |
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public int getNumberOfMessages() |
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{ |
39 | 0 | return numberOfMessages; |
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} |
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public void setNumberOfMessages(int numberOfMessages) |
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{ |
44 | 0 | this.numberOfMessages = numberOfMessages; |
45 | 0 | } |
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@Override |
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public MuleEvent route(MuleEvent event) throws RoutingException |
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{ |
50 | 0 | MuleMessage message = event.getMessage(); |
51 | 0 | MuleSession session = event.getSession(); |
52 | 0 | if (messageSize == 0 && numberOfMessages < 2) |
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{ |
54 | 0 | return super.route(event); |
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} |
56 | 0 | else if (messageSize > 0) |
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{ |
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byte[] data; |
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try |
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{ |
61 | 0 | data = message.getPayloadAsBytes(); |
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} |
63 | 0 | catch (Exception e) |
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{ |
65 | 0 | throw new RoutingException(CoreMessages.failedToReadPayload(), event, getRoute(0, event), e); |
66 | 0 | } |
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68 | 0 | int parts = data.length / messageSize; |
69 | 0 | if ((parts * messageSize) < data.length) |
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{ |
71 | 0 | parts++; |
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} |
73 | 0 | int len = messageSize; |
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MuleMessage part; |
75 | 0 | int count = 0; |
76 | 0 | int pos = 0; |
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byte[] buffer; |
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try |
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{ |
80 | 0 | for (; count < parts; count++) |
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{ |
82 | 0 | if ((pos + len) > data.length) |
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{ |
84 | 0 | len = data.length - pos; |
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} |
86 | 0 | buffer = new byte[len]; |
87 | 0 | System.arraycopy(data, pos, buffer, 0, buffer.length); |
88 | 0 | pos += len; |
89 | 0 | part = new DefaultMuleMessage(buffer, message, muleContext); |
90 | 0 | part.setCorrelationId(message.getUniqueId()); |
91 | 0 | part.setCorrelationGroupSize(parts); |
92 | 0 | part.setCorrelationSequence(count); |
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94 | 0 | if (logger.isInfoEnabled()) |
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{ |
96 | 0 | logger.info(String.format("sending part %d of %d (seq # %d)", count + 1, parts, count)); |
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} |
98 | 0 | super.route(new DefaultMuleEvent(part, event.getEndpoint(), session)); |
99 | 0 | if (logger.isInfoEnabled()) |
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{ |
101 | 0 | logger.info("sent"); |
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} |
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} |
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} |
105 | 0 | catch (RoutingException e) |
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{ |
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108 | 0 | e = new RoutingException(e.getI18nMessage(), e.getEvent(), e.getRoute(), e.getCause()); |
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113 | 0 | throw e; |
114 | 0 | } |
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} |
116 | 0 | return event; |
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} |
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} |