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java.lang.Object org.apache.commons.collections.functors.ChainedTransformer<I,O>
public class ChainedTransformer<I,O>
Transformer implementation that chains the specified transformers together.
The input object is passed to the first transformer. The transformed result is passed to the second transformer and so on.
Constructor Summary | |
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ChainedTransformer(Transformer[] transformers)
Constructor that performs no validation. |
Method Summary | ||
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static
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getInstance(Collection<Transformer> transformers)
Create a new Transformer that calls each transformer in turn, passing the result into the next transformer. |
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static
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getInstance(Transformer[] transformers)
Factory method that performs validation and copies the parameter array. |
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static
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getInstance(Transformer<I,? extends M> transformer1,
Transformer<? super M,O> transformer2)
Factory method that performs validation. |
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Transformer[] |
getTransformers()
Gets the transformers, do not modify the array. |
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O |
transform(I object)
Transforms the input to result via each decorated transformer |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ChainedTransformer(Transformer[] transformers)
getInstance
if you want that.
transformers
- the transformers to chain, not copied, no nullsMethod Detail |
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public static <I,O> Transformer<I,O> getInstance(Transformer[] transformers)
transformers
- the transformers to chain, copied, no nulls
chained
transformer
IllegalArgumentException
- if the transformers array is null
IllegalArgumentException
- if any transformer in the array is nullpublic static <I,O> Transformer<I,O> getInstance(Collection<Transformer> transformers)
transformers
- a collection of transformers to chain
chained
transformer
IllegalArgumentException
- if the transformers collection is null
IllegalArgumentException
- if any transformer in the collection is nullpublic static <I,M,O> Transformer<I,O> getInstance(Transformer<I,? extends M> transformer1, Transformer<? super M,O> transformer2)
transformer1
- the first transformer, not nulltransformer2
- the second transformer, not null
chained
transformer
IllegalArgumentException
- if either transformer is nullpublic O transform(I object)
transform
in interface Transformer<I,O>
object
- the input object passed to the first transformer
public Transformer[] getTransformers()
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