Class InvokerTransformer
- java.lang.Object
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- org.apache.commons.collections.functors.InvokerTransformer
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- All Implemented Interfaces:
java.io.Serializable
,Transformer
@Deprecated(since="2021-04-30") public class InvokerTransformer extends java.lang.Object implements Transformer, java.io.Serializable
Deprecated.Commons Collections 3 is in maintenance mode. Commons Collections 4 should be used instead.Transformer implementation that creates a new object instance by reflection.WARNING: from v3.2.2 onwards this class will throw an
UnsupportedOperationException
when trying to serialize or de-serialize an instance to prevent potential remote code execution exploits.In order to re-enable serialization support for
InvokerTransformer
the following system property can be used (via -Dproperty=true):org.apache.commons.collections.enableUnsafeSerialization
- Since:
- Commons Collections 3.0
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description InvokerTransformer(java.lang.String methodName, java.lang.Class[] paramTypes, java.lang.Object[] args)
Deprecated.Constructor that performs no validation.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description static Transformer
getInstance(java.lang.String methodName)
Deprecated.Gets an instance of this transformer calling a specific method with no arguments.static Transformer
getInstance(java.lang.String methodName, java.lang.Class[] paramTypes, java.lang.Object[] args)
Deprecated.Gets an instance of this transformer calling a specific method with specific values.java.lang.Object
transform(java.lang.Object input)
Deprecated.Transforms the input to result by invoking a method on the input.
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Constructor Detail
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InvokerTransformer
public InvokerTransformer(java.lang.String methodName, java.lang.Class[] paramTypes, java.lang.Object[] args)
Deprecated.Constructor that performs no validation. UsegetInstance
if you want that.- Parameters:
methodName
- the method to callparamTypes
- the constructor parameter types, not clonedargs
- the constructor arguments, not cloned
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Method Detail
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getInstance
public static Transformer getInstance(java.lang.String methodName)
Deprecated.Gets an instance of this transformer calling a specific method with no arguments.- Parameters:
methodName
- the method name to call- Returns:
- an invoker transformer
- Since:
- Commons Collections 3.1
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getInstance
public static Transformer getInstance(java.lang.String methodName, java.lang.Class[] paramTypes, java.lang.Object[] args)
Deprecated.Gets an instance of this transformer calling a specific method with specific values.- Parameters:
methodName
- the method name to callparamTypes
- the parameter types of the methodargs
- the arguments to pass to the method- Returns:
- an invoker transformer
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transform
public java.lang.Object transform(java.lang.Object input)
Deprecated.Transforms the input to result by invoking a method on the input.- Specified by:
transform
in interfaceTransformer
- Parameters:
input
- the input object to transform- Returns:
- the transformed result, null if null input
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