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package org.mule; |
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import org.mule.api.ExceptionPayload; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleEventContext; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.ThreadSafeAccess; |
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import org.mule.api.endpoint.ImmutableEndpoint; |
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import org.mule.api.endpoint.OutboundEndpoint; |
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import org.mule.api.processor.MessageProcessor; |
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public final class RequestContext |
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{ |
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public static final boolean SAFE = true; |
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public static final boolean UNSAFE = true; |
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private static final boolean DEFAULT_ACTION = SAFE; |
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41 | 0 | private static final ThreadLocal currentEvent = new ThreadLocal(); |
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protected RequestContext() |
45 | 0 | { |
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47 | 0 | } |
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public static MuleEventContext getEventContext() |
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{ |
51 | 0 | MuleEvent event = getEvent(); |
52 | 0 | if (event != null) |
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{ |
54 | 0 | return new DefaultMuleEventContext(event); |
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} |
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else |
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{ |
58 | 0 | return null; |
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} |
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} |
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public static MuleEvent getEvent() |
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{ |
64 | 0 | return (MuleEvent) currentEvent.get(); |
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} |
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public static MuleEvent setEvent(MuleEvent event) |
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{ |
75 | 0 | return internalSetEvent(newEvent(event, DEFAULT_ACTION)); |
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} |
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protected static MuleEvent internalSetEvent(MuleEvent event) |
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{ |
80 | 0 | currentEvent.set(event); |
81 | 0 | return event; |
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} |
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protected static MuleMessage internalRewriteEvent(MuleMessage message, boolean safe) |
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{ |
86 | 0 | if (message != null) |
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{ |
88 | 0 | MuleEvent event = getEvent(); |
89 | 0 | if (event != null) |
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{ |
91 | 0 | MuleMessage copy = newMessage(message, safe); |
92 | 0 | MuleEvent newEvent = new DefaultMuleEvent(copy, event); |
93 | 0 | if (safe) |
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{ |
95 | 0 | resetAccessControl(copy); |
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} |
97 | 0 | internalSetEvent(newEvent); |
98 | 0 | return copy; |
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} |
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} |
101 | 0 | return message; |
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} |
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public static void clear() |
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{ |
109 | 0 | setEvent(null); |
110 | 0 | } |
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public static void setExceptionPayload(ExceptionPayload exceptionPayload) |
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{ |
119 | 0 | MuleEvent newEvent = newEvent(getEvent(), SAFE); |
120 | 0 | newEvent.getMessage().setExceptionPayload(exceptionPayload); |
121 | 0 | internalSetEvent(newEvent); |
122 | 0 | } |
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public static ExceptionPayload getExceptionPayload() |
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{ |
126 | 0 | return getEvent().getMessage().getExceptionPayload(); |
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} |
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public static MuleMessage safeMessageCopy(MuleMessage message) |
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{ |
131 | 0 | return newMessage(message, SAFE); |
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} |
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public static MuleEvent cloneAndUpdateEventEndpoint(MuleEvent event, MessageProcessor target) |
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{ |
136 | 0 | return updateEventEndpoint(newEvent(event, SAFE), target); |
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} |
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public static MuleEvent updateEventEndpoint(MuleEvent event, MessageProcessor target) |
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{ |
141 | 0 | if (target instanceof OutboundEndpoint) |
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{ |
143 | 0 | return new DefaultMuleEvent(event.getMessage(), (ImmutableEndpoint) target, event.getSession()); |
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} |
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else |
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{ |
147 | 0 | return event; |
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} |
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} |
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protected static MuleEvent newEvent(MuleEvent event, boolean safe) |
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{ |
153 | 0 | if (safe && event instanceof ThreadSafeAccess) |
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{ |
155 | 0 | return (MuleEvent) ((ThreadSafeAccess)event).newThreadCopy(); |
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} |
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else |
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{ |
159 | 0 | return event; |
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} |
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} |
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protected static MuleMessage newMessage(MuleMessage message, boolean safe) |
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{ |
165 | 0 | if (safe && message instanceof ThreadSafeAccess) |
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{ |
167 | 0 | return (MuleMessage) ((ThreadSafeAccess)message).newThreadCopy(); |
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} |
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else |
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{ |
171 | 0 | return message; |
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} |
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} |
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protected static void resetAccessControl(Object object) |
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{ |
177 | 0 | if (object instanceof ThreadSafeAccess) |
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{ |
179 | 0 | ((ThreadSafeAccess) object).resetAccessControl(); |
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} |
181 | 0 | } |
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} |