Copying data from inputStream to OuputStream needs appropriate buffer size
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                 Key: TRINIDAD-2046
                 URL: https://issues.apache.org/jira/browse/TRINIDAD-2046
             Project: MyFaces Trinidad
          Issue Type: Bug
          Components: Components
    Affects Versions: 1.2.14-core 
            Reporter: Xiaoming Shi


In the files 

./trinidad-1.2.14/trinidad-impl/src/main/java/org/apache/myfaces/trinidadinternal/image/cache/FileSystemImageCache.java
   line:955    
./trinidad-1.2.14/trinidad-impl/src/main/java/org/apache/myfaces/trinidadinternal/image/painter/ImageUtils.java
                line:303           

The buffer size is fixed as 1024 bytes. With the size of the data varies, the 
performance can be damaged a lot.

We need an appropriate buffer size which depends on the size of the data to be 
copied.

This is the same as the Appache Bug 
(https://issues.apache.org/bugzilla/show_bug.cgi?id=32546)

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