Download Commons IO Jar: A Complete Guide to the Apache IO Library
How to Download Commons IO Jar
If you are a Java developer, you might have encountered the need to work with input/output (IO) functionality in your projects. For example, you might need to read or write files, copy or delete directories, compare or filter files, monitor file system events, and so on. However, the standard Java IO classes and methods are not always easy or convenient to use. That's why you might want to use a library that provides utilities and enhancements for IO functionality. One such library is Commons IO Jar.
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What is Commons IO Jar?
Commons IO Jar is a library of utilities that assists with developing IO functionality. It is part of the project, which is a collection of reusable Java components. Commons IO Jar provides six main areas of functionality:
io: This package defines utility classes for working with streams, readers, writers, and files.
comparator: This package provides various Comparator implementations for Files.
file: This package provides extensions in the realm of java.nio.file.
filefilter: This package defines an interface (IOFileFilter) that combines both FileFilter and FilenameFilter.
function: This package defines IO-only related functional interfaces for lambda expressions and method references.
input: This package provides implementations of input classes, such as InputStream and Reader.
input.buffer: This package provides implementations of buffered input classes, such as CircularBufferInputStream and PeekableInputStream.
monitor: This package provides a component for monitoring file system events (directory and file create, update and delete events).
output: This package provides implementations of output classes, such as OutputStream and Writer.
serialization: This package provides a framework for controlling the deserialization of classes.
Features of Commons IO Jar
Some of the features that Commons IO Jar offers are:
FileUtils: A class that provides static methods for common file operations, such as reading, writing, copying, moving, deleting, comparing, listing, filtering, and calculating checksums.
FilenameUtils: A class that provides static methods for manipulating filenames, such as getting the extension, base name, path, or normalized form.
IOUtils: A class that provides static methods for common stream operations, such as copying, closing, reading, writing, converting, and buffering.
EndianUtils: A class that provides static methods for reading and writing data in different endianness (big-endian or little-endian).
Tailer: A class that implements the Unix "tail" functionality, which allows reading updates from the end of a file.
BOMInputStream: A class that detects and optionally skips Unicode byte-order marks (BOMs) in input streams.
TeeOutputStream: A class that allows writing data to multiple output streams simultaneously.
CountingInputStream/CountingOutputStream: Classes that keep track of the number of bytes read or written in input/output streams.
ClosedInputStream/ClosedOutputStream/NullInputStream/Null OutputStream/NullReader/NullWriter: Classes that provide special behavior for input/output streams and readers/writers, such as throwing an exception, doing nothing, or returning a fixed value.
Benefits of using Commons IO Jar
Some of the benefits of using Commons IO Jar are:
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Simplicity: Commons IO Jar simplifies the code for common IO tasks, such as reading a file into a string, copying a stream, or deleting a directory recursively.
Consistency: Commons IO Jar provides consistent and well-documented APIs for various IO operations, such as handling exceptions, closing resources, or converting between different formats.
Performance: Commons IO Jar optimizes the performance of IO operations, such as using buffers, threads, or native methods when appropriate.
Compatibility: Commons IO Jar supports various platforms, Java versions, and character encodings, and handles edge cases and corner cases gracefully.
Extensibility: Commons IO Jar allows users to extend or customize its functionality by implementing interfaces, extending classes, or using decorators or adapters.
How to download Commons IO Jar from Apache website
One way to download Commons IO Jar is to visit the to see what's new in each version.
Steps to download Commons IO Jar from Apache website
To download Commons IO Jar from Apache website, you can follow these steps:
Go to the and click on the "Download" link on the left sidebar.
Select the version of Commons IO Jar that you want to download from the list of available releases. You can also click on the "Older Releases" link to see the archived versions.
Choose the type of distribution that you want to download from the list of available files. For example, if you want to download the binary distribution of version 2.11.0, you can click on commons-io-2.11.0-bin.zip or commons-io-2.11.0-bin.tar.gz.
Click on the link of the file that you want to download and save it to your local directory.
Extract the contents of the downloaded file to your desired location. You should see a folder named commons-io-, which contains the jar file (commons-io-.jar) and other files.
How to verify the integrity of downloaded files
To ensure that the downloaded files are not corrupted or tampered with, you can verify their integrity by checking their signatures and checksums. The Apache website provides links to download the signature files (commons-io-.bin.zip.asc or commons-io-.bin.tar.gz.asc) and the checksum files (commons-io-.bin.zip.sha1 or commons-io-.bin.tar.gz.sha1) for each distribution. You can also use tools such as to verify the signatures and checksums locally.
How to download Commons IO Jar from GitHub
Another way to download Commons IO Jar is to visit the , which contains the source code and other resources for the library. You can either download a zip file of the repository or use Git commands to clone or download it.
Steps to download Commons IO Jar from GitHub
To download Commons IO Jar from GitHub, you can follow these steps:
Go to the and click on the "Code" button on the right side of the page.
Select one of the options from the dropdown menu: "Open with GitHub Desktop", "Download ZIP", or "HTTPS", "SSH", or "CLI". For example, if you want to download a zip file of the repository, you can click on "Download ZIP".
Save the file to your local directory and extract its contents. You should see a folder named commons-io-master, which contains the source code and other files.
Alternatively, if you want to use Git commands to clone or download the repository, you can copy the URL of the repository from the "Code" button (for example, and use it in your terminal or comman