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package org.apache.camel.component.pojo; |
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import org.apache.camel.Consumer; |
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import org.apache.camel.Exchange; |
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import org.apache.camel.NoSuchEndpointException; |
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import org.apache.camel.Processor; |
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import org.apache.camel.Producer; |
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import org.apache.camel.Component; |
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import org.apache.camel.impl.DefaultEndpoint; |
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import org.apache.camel.impl.DefaultProducer; |
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import org.apache.camel.spi.Provider; |
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import java.lang.reflect.InvocationTargetException; |
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public class PojoEndpoint extends DefaultEndpoint<PojoExchange> { |
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private Object pojo; |
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public PojoEndpoint(String uri, Component component, Object pojo) { |
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super(uri, component); |
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this.pojo = pojo; |
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} |
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public Producer<PojoExchange> createProducer() throws Exception { |
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final Object pojo = getPojo(); |
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if (pojo == null) { |
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throw new NoPojoAvailableException(this); |
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} |
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return new DefaultProducer(this) { |
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public void process(Exchange exchange) { |
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PojoExchange pojoExchange = toExchangeType(exchange); |
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invoke(pojo, pojoExchange); |
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exchange.copyFrom(pojoExchange); |
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} |
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}; |
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} |
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public Consumer<PojoExchange> createConsumer(Processor processor) throws Exception { |
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throw new Exception("You cannot consume from pojo endpoints."); |
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} |
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public static void invoke(Object pojo, PojoExchange exchange) { |
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PojoInvocation invocation = exchange.getInvocation(); |
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try { |
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Object response = invocation.getMethod().invoke(pojo, invocation.getArgs()); |
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exchange.getOut().setBody(response); |
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} |
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catch (InvocationTargetException e) { |
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exchange.setException(e.getCause()); |
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} |
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catch (RuntimeException e) { |
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throw e; |
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} |
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catch (Throwable e) { |
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throw new RuntimeException(e); |
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} |
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} |
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public PojoExchange createExchange() { |
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return new PojoExchange(getContext()); |
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} |
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public boolean isSingleton() { |
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return true; |
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} |
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public Object getPojo() { |
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return pojo; |
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} |
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public void setPojo(Object pojo) { |
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this.pojo = pojo; |
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} |
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} |