[jira] Created: (PDFBOX-406) Small error in class defination in PDMatrix it should not be Cloneable

["Peter_Lenahan@ibi.com (JIRA)" <ji...@apache.org>]

Small error in class defination in PDMatrix it should not be Cloneable
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                 Key: PDFBOX-406
                 URL: https://issues.apache.org/jira/browse/PDFBOX-406
             Project: PDFBox
          Issue Type: Bug
          Components: PDModel
         Environment: All
            Reporter: Peter_Lenahan@ibi.com


The interface Cloneable has no methods defined.
public interface Cloneable { 
}

In package org.apache.pdfbox.pdmodel.common;
public class PDMatrix implements Cloneable, COSObjectable

The class, PDMatrix implements the Cloneable interface, yet it does not implement
The clone() method, if a method were to try and clone the class, there would be an exception thrown

Because this method is missing. 
The actual method Object.clone is a protected method.

There are 2 possible solutions, add this method
public Object clone() {
}
But; since there are no apparently calls to clone this class,
I suggest removing the Cloneable interface from the declaration. 



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