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package org.mule.routing.outbound; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.impl.MuleMessage; |
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import org.mule.umo.UMOMessage; |
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import org.mule.umo.UMOSession; |
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import org.mule.umo.routing.RoutingException; |
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29 | 0 | public class MessageChunkingRouter extends FilteringOutboundRouter |
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{ |
31 | 0 | private int chunkSize = 0; |
32 | 0 | private int numberOfMessages = 1; |
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public int getChunkSize() |
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{ |
36 | 0 | return chunkSize; |
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} |
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public void setChunkSize(int chunkSize) |
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{ |
41 | 0 | this.chunkSize = chunkSize; |
42 | 0 | } |
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public int getNumberOfMessages() |
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{ |
46 | 0 | return numberOfMessages; |
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} |
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public void setNumberOfMessages(int numberOfMessages) |
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{ |
51 | 0 | this.numberOfMessages = numberOfMessages; |
52 | 0 | } |
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public UMOMessage route(UMOMessage message, UMOSession session, boolean synchronous) |
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throws RoutingException |
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{ |
57 | 0 | if (chunkSize == 0 && numberOfMessages < 2) |
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{ |
59 | 0 | return super.route(message, session, synchronous); |
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} |
61 | 0 | else if (chunkSize > 0) |
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{ |
63 | 0 | byte[] data = new byte[0]; |
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try |
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{ |
66 | 0 | data = message.getPayloadAsBytes(); |
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} |
68 | 0 | catch (Exception e) |
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{ |
70 | 0 | throw new RoutingException( |
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CoreMessages.failedToReadPayload(), |
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message, getEndpoint(0, message), e); |
73 | 0 | } |
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75 | 0 | int parts = data.length / chunkSize; |
76 | 0 | if ((parts * chunkSize) < data.length) |
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{ |
78 | 0 | parts++; |
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} |
80 | 0 | int len = chunkSize; |
81 | 0 | UMOMessage part = null; |
82 | 0 | int count = 0; |
83 | 0 | int pos = 0; |
84 | 0 | byte[] buffer = null; |
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try |
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{ |
87 | 0 | for (; count < parts; count++) |
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{ |
89 | 0 | if ((pos + len) > data.length) |
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{ |
91 | 0 | len = data.length - pos; |
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} |
93 | 0 | buffer = new byte[len]; |
94 | 0 | System.arraycopy(data, pos, buffer, 0, buffer.length); |
95 | 0 | pos += len; |
96 | 0 | part = new MuleMessage(buffer, message); |
97 | 0 | part.setCorrelationId(message.getUniqueId()); |
98 | 0 | part.setCorrelationGroupSize(parts); |
99 | 0 | part.setCorrelationSequence(count); |
100 | 0 | super.route(part, session, synchronous); |
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} |
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} |
104 | 0 | catch (RoutingException e) |
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{ |
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107 | 0 | e = new RoutingException(e.getI18nMessage(), e.getUmoMessage(), e.getEndpoint(), e.getCause()); |
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112 | 0 | throw e; |
113 | 0 | } |
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} |
115 | 0 | return message; |
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} |
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} |