| 1 |
|
|
| 2 |
|
|
| 3 |
|
|
| 4 |
|
|
| 5 |
|
|
| 6 |
|
|
| 7 |
|
|
| 8 |
|
|
| 9 |
|
|
| 10 |
|
|
| 11 |
|
|
| 12 |
|
|
| 13 |
|
|
| 14 |
|
|
| 15 |
|
|
| 16 |
|
|
| 17 |
|
|
| 18 |
|
package org.apache.camel.builder; |
| 19 |
|
|
| 20 |
|
import java.util.ArrayList; |
| 21 |
|
import java.util.List; |
| 22 |
|
|
| 23 |
|
import org.apache.camel.Exchange; |
| 24 |
|
import org.apache.camel.processor.DelegateProcessor; |
| 25 |
|
import org.apache.camel.Processor; |
| 26 |
|
import org.apache.camel.RuntimeCamelException; |
| 27 |
|
|
| 28 |
|
|
| 29 |
|
|
| 30 |
|
|
| 31 |
|
public class InterceptorBuilder implements ProcessorFactory { |
| 32 |
2 |
private final List<DelegateProcessor> intercepts = new ArrayList<DelegateProcessor>(); |
| 33 |
|
private final FromBuilder parent; |
| 34 |
|
private FromBuilder target; |
| 35 |
|
|
| 36 |
2 |
public InterceptorBuilder(FromBuilder parent) { |
| 37 |
2 |
this.parent = parent; |
| 38 |
2 |
} |
| 39 |
|
|
| 40 |
|
@Fluent("interceptor") |
| 41 |
|
public InterceptorBuilder add(@FluentArg("ref") DelegateProcessor interceptor) { |
| 42 |
4 |
intercepts.add(interceptor); |
| 43 |
4 |
return this; |
| 44 |
|
} |
| 45 |
|
|
| 46 |
|
@Fluent(callOnElementEnd=true) |
| 47 |
|
public FromBuilder target() { |
| 48 |
2 |
this.target = new FromBuilder(parent); |
| 49 |
2 |
return target; |
| 50 |
|
} |
| 51 |
|
|
| 52 |
|
public Processor createProcessor() throws Exception { |
| 53 |
|
|
| 54 |
|
|
| 55 |
2 |
if( target == null ) |
| 56 |
0 |
throw new RuntimeCamelException("target provided."); |
| 57 |
|
|
| 58 |
|
|
| 59 |
2 |
DelegateProcessor first=null; |
| 60 |
2 |
DelegateProcessor last=null; |
| 61 |
2 |
for (DelegateProcessor p : intercepts) { |
| 62 |
4 |
if( first == null ) { |
| 63 |
2 |
first = p; |
| 64 |
|
} |
| 65 |
4 |
if( last != null ) { |
| 66 |
2 |
last.setNext(p); |
| 67 |
|
} |
| 68 |
4 |
last = p; |
| 69 |
4 |
} |
| 70 |
|
|
| 71 |
2 |
Processor p = target.createProcessor(); |
| 72 |
2 |
if( last != null ) { |
| 73 |
2 |
last.setNext(p); |
| 74 |
|
} |
| 75 |
2 |
return first == null ? p : first; |
| 76 |
|
} |
| 77 |
|
} |