Examples of org.soybeanMilk.web.os.ParamIllegalException

org.soybeanMilk.web.os.ParamIllegalException
请求参数非法异常， {@linkplain WebObjectSource Web对象源}在将请求参数转换为某类型的对象时由于参数值非法而出现异常。
配合 {@linkplain ArgPrepareExecuteException}类，它使你可以在 {@linkplain Interceptor 执行拦截器}中获取和处理非法的请求参数：
```
 void handleParamIllegalException(Execution execution) { ExecuteException e=execution.getExecuteException(); if(e instanceof ArgPrepareExecuteException) { ArgPrepareExecuteException ae=(ArgPrepareExecuteException)e; Throwable t=ae.getCause(); if(t instanceof ParamIllegalException) { ...... } else throw e; } else throw e; } 
```
@author earthangry@gmail.com @date 2012-3-27

      ArgPrepareExecuteException apee=(ArgPrepareExecuteException)cause;
      Throwable th=apee.getCause();
      
      if(th instanceof ParamIllegalException)
      {
        ParamIllegalException pie=(ParamIllegalException)th;
        
        msg="The parameter [name: \""+pie.getParamName()+"\", value: \""+pie.getParamValue()+"\"]";
        
        Type targetType=pie.getTargetType();
        if(Integer.class.equals(targetType)
            || int.class.equals(targetType))
          msg+=" is not valid integer.";
        else
          msg+=" is invalid";

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    String name="paramName";
    String value="illegalValue";
    
    request.setParameter(name, value);
    
    ParamIllegalException re=null;
    try
    {
      webObjectSource.get("param."+name, int.class);
    }
    catch(ParamIllegalException e)
    {
      re=e;
    }
    
    Assert.assertEquals(name, re.getParamName());
    Assert.assertEquals(value, re.getParamValue());
    Assert.assertEquals(int.class, re.getTargetType());
  }

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    request.setParameter("my.myBean.id", new String[]{"1"});
    request.setParameter("my.myBean.name", new String[]{"jack"});
    request.setParameter("my.myBean.yourBean.id", new String[]{value});
    request.setParameter("my.myBean.yourBean.name", new String[]{"tom"});
    
    ParamIllegalException re=null;
    try
    {
      webObjectSource.get("param.my.myBean", MyBean.class);
    }
    catch(ParamIllegalException e)
    {
      re=e;
    }
    
    Assert.assertEquals("my.myBean.yourBean.id", re.getParamName());
    Assert.assertEquals(value, re.getParamValue());
    Assert.assertEquals(Integer.class, re.getTargetType());
  }

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Related Classes of org.soybeanMilk.web.os.ParamIllegalException

org.soybeanMilk.example.Interceptor

org.soybeanMilk.test.unit.web.TestDefaultWebObjectSource

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