MetaProgramming Customizing the MOP in Groovy Scripting groovy training telugu 44

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//InvokeDemo.groovy

package therealdnvega

//this method is called when the method you called is not present in the groovy

class InvokeDemo{

def invokeMethod(String name,Object args){

return"called invokeMethod $name $args"

}

def test(){

return "method exists"

}

}

def invokeDemo = new InvokeDemo()

assert invokeDemo.test()=="method exists"

assert invokeDemo.someMethod()=="called invokeMEthod someMethod[]"

//GetPropertyDemo.groovy

package therealdnvega

class PropertyDemo{

def prop1="prop1"

def prop2="prop2"

def prop3="prop3"

def getProperty(String name){

println "getProperty() called with argumeny $name"

// return

if(metaClass.getProperty(this,name)){

return metaClass.getProperty(this,name)

}

else{

println "less do something fun with this property"

return "party time....

}

}

}

def pd=new PropertyDemo()

println pd.prop1

println pd.prop2

println pd.prop3

println pd.prop4