David Bild created IO-349:
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Summary: Add array offset and length argument to
FileUtils.writeByteArrayToFile
Key: IO-349
URL: https://issues.apache.org/jira/browse/IO-349
Project: Commons IO
Issue Type: Improvement
Components: Utilities
Affects Versions: 2.4
Reporter: David Bild
Fix For: 2.5
The FileUtils.writeByteArrayToFile method does not allow a subset of an array
to be written to a file. Instead, the subset must be copied to a separate
array, increasing the lines of code and (for all JVMs I know about) runtime.
Sister methods that take an offset and length should be added, inline with the
byte array-oriented methods in the Java standard library.
Attached is a patch that implements FileUtils.writeByteArrayToFile(File file,
byte[] data, int offset, int length) and FileUtils.writeByteArrayToFile(File
file, byte[] data, int offset, int length, boolean append) and associated
testcases in FileUtilsTestCase.java.
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