map to bean 的问题

[GoogleCodeExporter]

     当bean的一些属性 在map为空的时候。 
     连续多次执行mapping代码
     mapping.mapping(map, bean);
     第一个转化没问题，
    后面的都会会报空指针异常， 必须显示指定 mappingNullValue="false"。
错误信息如下

java.lang.NullPointerException
    at com.agapple.mapping.core.process.ValueProcessInvocation.invokeSetExecutor(ValueProcessInvocation.java:71)
    at com.agapple.mapping.core.process.ValueProcessInvocation.proceed(ValueProcessInvocation.java:42)
    at com.agapple.mapping.process.DebugValueProcess.process(DebugValueProcess.java:49)
    at com.agapple.mapping.core.process.ValueProcessInvocation.proceed(ValueProcessInvocation.java:45)
    at com.agapple.mapping.process.BehaviorValueProcess.process(BehaviorValueProcess.java:43)
    at com.agapple.mapping.core.process.ValueProcessInvocation.proceed(ValueProcessInvocation.java:45)
    at com.agapple.mapping.process.BeanCreatorValueProcess.process(BeanCreatorValueProcess.java:28)
    at com.agapple.mapping.core.process.ValueProcessInvocation.proceed(ValueProcessInvocation.java:45)
    at com.agapple.mapping.process.ConvertorValueProcess.process(ConvertorValueProcess.java:89)
    at com.agapple.mapping.core.process.ValueProcessInvocation.proceed(ValueProcessInvocation.java:45)
    at com.agapple.mapping.process.DefaultValueValueProcess.process(DefaultValueValueProcess.java:40)
    at com.agapple.mapping.core.process.ValueProcessInvocation.proceed(ValueProcessInvocation.java:45)
    at com.agapple.mapping.process.ScriptValueProcess.process(ScriptValueProcess.java:50)
    at com.agapple.mapping.core.process.ValueProcessInvocation.proceed(ValueProcessInvocation.java:45)
    at com.agapple.mapping.core.BeanMappingExecutor.doFieldMapping(BeanMappingExecutor.java:243)
    at com.agapple.mapping.core.BeanMappingExecutor.execute(BeanMappingExecutor.java:65)
    at com.agapple.mapping.BeanMapping.mapping(BeanMapping.java:91)
    at com.e6soft.mapping.test.BeanMapTest.test(BeanMapTest.java:74)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

Original issue reported on code.google.com by [email protected] on 17 Jan 2013 at 3:29