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.
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:
download commons io jar
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:
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:
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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 command prompt. For example, if you want to clone the repository, you can use the command: git clone This will create a folder named commons-io in your current directory, which contains the source code and other files.
How to use Git commands to clone or download the repository
If you are familiar with Git, you can use various commands to clone or download the repository from GitHub. Here are some examples:
git clone: This command creates a local copy of the remote repository in your current directory. For example, git clone will create a folder named commons-io that contains the source code and other files.
git pull: This command updates your local copy of the remote repository with the latest changes. For example, if you have already cloned the repository and want to get the latest version, you can use the command: git pull origin master. This will fetch and merge the changes from the master branch of the origin repository.
git checkout: This command switches to a different branch or tag of the remote repository. For example, if you want to download a specific version of Commons IO Jar, such as 2.11.0, you can use the command: git checkout tags/commons-io-2.11.0. This will create a detached head state that points to the tag commons-io-2.11.0.
git archive: This command creates a zip or tar archive of a specific branch or tag of the remote repository. For example, if you want to create a zip file of version 2.11.0 of Commons IO Jar, you can use the command: git archive --format zip --output commons-io-2.11.0.zip tags/commons-io-2.11.0. This will create a file named commons-io-2.11.0.zip that contains the source code and other files.
How to add Commons IO Jar to your Java project
Once you have downloaded Commons IO Jar, you can add it to your Java project as a dependency or a library, depending on how you manage your project. There are different ways to do this, but here are some common methods:
How to add Commons IO Jar as a dependency using Maven or Gradle
If you use Maven or Gradle as your build tool, you can add Commons IO Jar as a dependency in your pom.xml or build.gradle file, respectively. For example, if you use Maven, you can add the following dependency in your pom.xml file:
<dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-io</artifactId> <version>2.11.0</version> </dependency>
If you use Gradle, you can add the following dependency in your build.gradle file:
dependencies implementation 'org.apache.commons:commons-io:2.11.0'
This will automatically download and include Commons IO Jar in your project classpath.
How to add Commons IO Jar as a library using Eclipse or IntelliJ IDEA
If you use Eclipse or IntelliJ IDEA as your IDE, you can add Commons IO Jar as a library in your project settings. For example, if you use Eclipse, you can follow these steps:
Right-click on your project in the Package Explorer and select Properties.
Select Java Build Path from the left sidebar and click on the Libraries tab.
Click on the Add External JARs... button and browse to the location where you extracted Commons IO Jar.
Select commons-io-.jar and click Open.
Click OK to close the Properties dialog.
If you use IntelliJ IDEA, you can follow these steps:
Right-click on your project in the Project Explorer and select Open Module Settings.
Select Modules from the left sidebar and click on the Dependencies tab.
Click on the + button and select JARs or directories...
Browse to the location where you extracted Commons IO Jar and select commons-io-.jar.
Click OK to close the dialog and apply the changes.
This will add Commons IO Jar to your project classpath.
Conclusion
In this article, we have learned what Commons IO Jar is, what features and benefits it offers, and how to download and add it to your Java project. Commons IO Jar is a useful library that simplifies and enhances the IO functionality in Java. It provides utilities for working with streams, files, directories, comparators, filters, monitors, serialization, and more. You can download Commons IO Jar from the Apache website or the GitHub repository, and add it as a dependency using Maven or Gradle, or as a library using Eclipse or IntelliJ IDEA. We hope that this article has helped you understand how to use Commons IO Jar in your Java projects.
FAQs
Here are some frequently asked questions about Commons IO Jar:
Q: What is the latest version of Commons IO Jar?
A: The latest version of Commons IO Jar is 2.11.0, which was released on June 7, 2021. You can check the for more details.
Q: How can I contribute to Commons IO Jar?
A: If you want to contribute to Commons IO Jar, you can visit the to discuss issues, suggestions, or questions with other developers.
Q: How can I report a bug or request a feature for Commons IO Jar?
A: If you encounter a bug or have a feature request for Commons IO Jar, you can create an issue on the page. You can also search for existing issues or vote for them.
Q: How can I learn more about Commons IO Jar?
A: If you want to learn more about Commons IO Jar, you can refer to the following resources:
: The official website of Commons IO Jar, which provides an overview, download links, documentation, examples, and more.
: A comprehensive guide that explains how to use Commons IO Jar in detail, with code snippets and examples.
: A reference that describes the classes, methods, and fields of Commons IO Jar.
: A collection of examples that demonstrate how to use various features of Commons IO Jar.
Q: How can I get help or support for Commons IO Jar?
A: If you need help or support for Commons IO Jar, you can try the following options:
: A forum where you can ask questions, share ideas, or report problems related to Commons IO Jar.
: A chat room where you can interact with other users and developers of Commons IO Jar in real time.
: A platform where you can post questions and answers about programming topics, including Commons IO Jar. You can use the tag [commons-io] to filter your questions or answers.
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