| 1 |
|
|
| 2 |
|
|
| 3 |
|
|
| 4 |
|
|
| 5 |
|
|
| 6 |
|
|
| 7 |
|
|
| 8 |
|
|
| 9 |
|
|
| 10 |
|
|
| 11 |
|
|
| 12 |
|
|
| 13 |
|
|
| 14 |
|
|
| 15 |
|
|
| 16 |
|
|
| 17 |
|
package org.apache.camel.spring.util; |
| 18 |
|
|
| 19 |
|
import java.lang.reflect.InvocationTargetException; |
| 20 |
|
import java.lang.reflect.Method; |
| 21 |
|
import java.lang.reflect.Modifier; |
| 22 |
|
import java.util.Arrays; |
| 23 |
|
|
| 24 |
|
import org.apache.commons.logging.Log; |
| 25 |
|
import org.apache.commons.logging.LogFactory; |
| 26 |
|
|
| 27 |
|
import org.springframework.beans.factory.InitializingBean; |
| 28 |
|
|
| 29 |
|
import static org.apache.camel.util.ObjectHelper.name; |
| 30 |
|
|
| 31 |
|
|
| 32 |
|
|
| 33 |
|
|
| 34 |
|
|
| 35 |
|
|
| 36 |
|
|
| 37 |
|
|
| 38 |
0 |
public class MainRunner implements InitializingBean, Runnable { |
| 39 |
0 |
private static final Log LOG = LogFactory.getLog(MainRunner.class); |
| 40 |
|
|
| 41 |
|
private Class main; |
| 42 |
0 |
private String[] args = {}; |
| 43 |
0 |
private boolean asyncRun = true; |
| 44 |
|
private long delay; |
| 45 |
|
|
| 46 |
|
public String toString() { |
| 47 |
0 |
return "MainRunner(" + name(main) + " " + Arrays.asList(getArgs()) + ")"; |
| 48 |
|
} |
| 49 |
|
|
| 50 |
|
public void run() { |
| 51 |
|
try { |
| 52 |
0 |
runMethodWithoutCatchingExceptions(); |
| 53 |
0 |
} catch (NoSuchMethodException e) { |
| 54 |
0 |
LOG.error("Class: " + name(main) + " does not have a main method: " + e, e); |
| 55 |
0 |
} catch (IllegalAccessException e) { |
| 56 |
0 |
LOG.error("Failed to run: " + this + ". Reason: " + e, e); |
| 57 |
0 |
} catch (InvocationTargetException e) { |
| 58 |
0 |
Throwable throwable = e.getTargetException(); |
| 59 |
0 |
LOG.error("Failed to run: " + this + ". Reason: " + throwable, throwable); |
| 60 |
0 |
} |
| 61 |
0 |
} |
| 62 |
|
|
| 63 |
|
public void runMethodWithoutCatchingExceptions() throws NoSuchMethodException, IllegalAccessException, InvocationTargetException { |
| 64 |
0 |
if (delay > 0) { |
| 65 |
|
try { |
| 66 |
0 |
Thread.sleep(delay); |
| 67 |
0 |
} catch (InterruptedException e) { |
| 68 |
0 |
LOG.info("Caught: " + e, e); |
| 69 |
0 |
} |
| 70 |
|
} |
| 71 |
0 |
Method method = main.getMethod("main", String[].class); |
| 72 |
0 |
if (!Modifier.isStatic(method.getModifiers())) { |
| 73 |
0 |
throw new IllegalArgumentException("The main method is not static!: " + method); |
| 74 |
|
} |
| 75 |
0 |
Object[] arguments = {getArgs()}; |
| 76 |
0 |
method.invoke(null, arguments); |
| 77 |
0 |
} |
| 78 |
|
|
| 79 |
|
public String[] getArgs() { |
| 80 |
0 |
return args; |
| 81 |
|
} |
| 82 |
|
|
| 83 |
|
public void setArgs(String[] args) { |
| 84 |
0 |
this.args = args; |
| 85 |
0 |
} |
| 86 |
|
|
| 87 |
|
public boolean isAsyncRun() { |
| 88 |
0 |
return asyncRun; |
| 89 |
|
} |
| 90 |
|
|
| 91 |
|
public void setAsyncRun(boolean asyncRun) { |
| 92 |
0 |
this.asyncRun = asyncRun; |
| 93 |
0 |
} |
| 94 |
|
|
| 95 |
|
public Class getMain() { |
| 96 |
0 |
return main; |
| 97 |
|
} |
| 98 |
|
|
| 99 |
|
public void setMain(Class main) { |
| 100 |
0 |
this.main = main; |
| 101 |
0 |
} |
| 102 |
|
|
| 103 |
|
public long getDelay() { |
| 104 |
0 |
return delay; |
| 105 |
|
} |
| 106 |
|
|
| 107 |
|
public void setDelay(long delay) { |
| 108 |
0 |
this.delay = delay; |
| 109 |
0 |
} |
| 110 |
|
|
| 111 |
|
public void afterPropertiesSet() throws Exception { |
| 112 |
0 |
if (main == null) { |
| 113 |
0 |
throw new IllegalArgumentException("You must specify a main class!"); |
| 114 |
|
} |
| 115 |
0 |
if (isAsyncRun()) { |
| 116 |
0 |
Thread thread = new Thread(this, "Thread for: " + this); |
| 117 |
0 |
thread.start(); |
| 118 |
0 |
} else { |
| 119 |
0 |
runMethodWithoutCatchingExceptions(); |
| 120 |
|
} |
| 121 |
0 |
} |
| 122 |
|
} |