Base64 encoding and decoding in Java

So today I found myself needing to test base64 encoding in Java so I could compare the same results on the RPG end. Being that it took me longer than necessary to put the code together I thought I would post it online. Note this code is compiled using JDK 1.5 (aka 5.0).

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import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream;   import org.apache.xerces.impl.dv.util.Base64;   public class Base64CopyToFrom {       public static void main(String args[]) {        base64EncodeFile("c:/temp/newimage.tif", "c:/temp/newimage_base64encoded.txt");      base64DecodeFile("c:/temp/newimage_base64encoded.txt", "c:/temp/newimage_1.tif");       }       static void base64EncodeFile(String fileToEncode, String resultingFile){         InputStream is = null;         OutputStream os = null;           try {             is = new FileInputStream(fileToEncode);             os = new FileOutputStream(resultingFile);             int bytesRead = 0;             int chunkSize = 10000000;             byte[] chunk = new byte[chunkSize];             while ((bytesRead = is.read(chunk)) > 0) {                 byte[] ba = new byte[bytesRead];                   for(int i=0; i                     ba[i] = chunk[i];                 }                   String encStr = Base64.encode(ba);                 os.write(encStr.getBytes(), 0, encStr.length());             }           } catch (Exception e) {             e.printStackTrace();         } finally {             try {                 is.close();             } catch (IOException e) {                 e.printStackTrace();             }             try {                 os.close();             } catch (IOException e) {                 e.printStackTrace();             }         }     }       static void base64DecodeFile(String fileToDecode, String resultingFile){         InputStream is = null;         OutputStream os = null;           try {             is = new FileInputStream(fileToDecode);             os = new FileOutputStream(resultingFile);             int bytesRead = 0;             int chunkSize = 10000000;             byte[] chunk = new byte[chunkSize];             while ((bytesRead = is.read(chunk)) > 0) {                 byte[] ba = new byte[bytesRead];                   for(int i=0; i                     ba[i] = chunk[i];                 }                   ba = Base64.decode(new String(ba));                 os.write(ba, 0, ba.length);             }           } catch (Exception e) {             e.printStackTrace();         } finally {             try {                 is.close();             } catch (IOException e) {                 e.printStackTrace();             }             try {                 os.close();             } catch (IOException e) {                 e.printStackTrace();             }         }     }   }