/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.pdfbox.filter;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.io.IOUtils;

/**
 * Decodes data encoded in an ASCII base-85 representation, reproducing the original binary data.
 * @author Ben Litchfield
 */
final class ASCII85Filter extends Filter
{
    @Override
    public DecodeResult decode(InputStream encoded, OutputStream decoded,
                                         COSDictionary parameters, int index) throws IOException
    {
        ASCII85InputStream is = null;
        try
        {
            is = new ASCII85InputStream(encoded);
            byte[] buffer = new byte[1024];
            int amountRead;
            while((amountRead = is.read(buffer, 0, 1024))!= -1)
            {
                decoded.write(buffer, 0, amountRead);
            }
            decoded.flush();
        }
        finally
        {
            IOUtils.closeQuietly(is);
        }
        return new DecodeResult(parameters);
    }

    @Override
    protected void encode(InputStream input, OutputStream encoded, COSDictionary parameters)
        throws IOException
    {
        try (ASCII85OutputStream os = new ASCII85OutputStream(encoded))
        {
            byte[] buffer = new byte[1024];
            int amountRead;
            while ((amountRead = input.read(buffer, 0, 1024)) != -1)
            {
                os.write(buffer, 0, amountRead);
            }
        }
        encoded.flush();
    }
}

@@ -1373,16 +1373,21 @@
         
+try (
 ASCII85I
@@ -1405,53 +1405,8 @@
 is =
- null;%0A        try%0A        %7B%0A            is =
  new
@@ -1433,17 +1433,17 @@
 encoded)
-;
+)
 %0A       
@@ -1447,215 +1447,57 @@
     
-    byte%5B%5D buffer = new byte%5B1024%5D;%0A            int amountRead;%0A            while((amountRead = is.read(buffer, 0, 1024))!= -1)%0A            %7B%0A                decoded.write(buffer, 0, amountRead);%0A   
+%7B%0A            IOUtils.copy(is, decoded);%0A
         
  %7D%0A 
@@ -1488,31 +1488,26 @@
 d);%0A        
- 
 %7D%0A
-    
         deco
@@ -1523,92 +1523,8 @@
 ();%0A
-        %7D%0A        finally%0A        %7B%0A            IOUtils.closeQuietly(is);%0A        %7D%0A
     
@@ -1809,213 +1809,32 @@
     
-byte%5B%5D buffer = new byte%5B1024%5D;%0A            int amountRead;%0A            while ((amountRead = input.read(buffer, 0, 1024)) != -1)%0A            %7B%0A                os.write(buffer, 0, amountRead);%0A            %7D
+IOUtils.copy(input, os);
 %0A   

simplify code, use jdk7 syntax