Mega Code Archive

 

Categories / Java / Class

 

Returns a copy of the object, or null if the object cannot be serialized

/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */ //package wekinator.util; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; /**  *  * http://javatechniques.com/blog/faster-deep-copies-of-java-objects/  */ public class DeepCopy {     /**      * Returns a copy of the object, or null if the object cannot      * be serialized.      */      // http://javatechniques.com/blog/faster-deep-copies-of-java-objects/     public static Object copy(Object orig) throws IOException, ClassNotFoundException {         Object obj = null;                      // Write the object out to a byte array             ByteArrayOutputStream bos = new ByteArrayOutputStream();             ObjectOutputStream out = new ObjectOutputStream(bos);             out.writeObject(orig);             out.flush();             out.close();             // Make an input stream from the byte array and read             // a copy of the object back in.             ObjectInputStream in = new ObjectInputStream(                 new ByteArrayInputStream(bos.toByteArray()));             obj = in.readObject();                          return obj;     } }