Overview

Project that holds utilities for get the stacktrace as string from java throwable objects and can decorate checked exceptions and transform them to unchecked exceptions

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Features

• Transform stacktrace object from Throwable(Exceptions, Errors) to String object
• Transform checked exceptions to unchecked exceptions
• Transform checked exceptions to unchecked exceptions in streams

License

The source code comes under the liberal MIT License, making throwable great for all types of applications.

gradle dependency

Replace the variable ${latestVersion} with the current latest version:

You can first define the version in the ext section and add than the following gradle dependency to your project build.gradle if you want to import the core functionality of throwable:

define version in file gradle.properties

throwableVersion=${latestVersion}

or in build.gradle ext area

    throwableVersion = "${latestVersion}"

and then add the dependency to the dependencies area

    implementation("io.github.astrapi69:throwable:$throwableVersion")

with new libs.versions.toml file

If you use the new libs.versions.toml file for new automatic catalog versions update

[versions]
throwable-version=${latestVersion}

[libraries]
throwable = { module = "io.github.astrapi69:throwable", version.ref = "throwable-version" }

then add the dependency to the dependencies area

    implementation libs.throwable

Maven dependency

Add the following maven dependency to your project pom.xml if you want to import the core functionality of throwable:

Than you can add the dependency to your dependencies:

<properties>
        ...
    <!-- THROW-ABLE version -->
    <throwable.version>${latestVersion}</throwable.version>
        ...
</properties>
        ...
    <dependencies>
        ...
        <!-- THROW-ABLE DEPENDENCY -->
        <dependency>
            <groupId>io.github.astrapi69</groupId>
            <artifactId>throwable</artifactId>
            <version>${throwable.version}</version>
        </dependency>
        ...
    </dependencies>

Usage

You can decorate a method that throws a checked exceptions with the class RuntimeExceptionDecorator

public final class FileFactory
{
    public static FileCreationState newFile(final File file) throws IOException
    {
        FileCreationState fileCreationState = FileCreationState.ALREADY_EXISTS;
        if (!file.exists())
        {
            fileCreationState = FileCreationState.FAILED;
            newParentDirectories(file);
            if (file.createNewFile())
            {
                fileCreationState = FileCreationState.CREATED;
            }
        }
        return fileCreationState;
    }

    public static FileCreationState createFile(final File file)
    {
        return RuntimeExceptionDecorator.decorate(()-> newFile(file));
    }
}

The above example shows the method FileFactory#newFile that throws a checked IOExceptions. The method FileFactory#createFile decorates the method FileFactory#newFile with the method decorate of the utility class RuntimeExceptionDecorator and do not have to declare a throw clause in the method signature. Note: the method FileFactory#createFile returns a FileCreationState object

public final class CopyFileExtensions
{
    public static void copyFiles(final List<File> sources, final File destination,
        final Charset sourceEncoding, final Charset destinationEncoding, final boolean lastModified)
    {
        if (!destination.exists())
        {
            FileFactory.newDirectory(destination);
        }
        sources.stream().forEach(RuntimeExceptionDecorator.decorate(file -> {
            File destinationFile = new File(destination, file.getName());
            CopyFileExtensions.copyFile(file, destinationFile, sourceEncoding, destinationEncoding,
                lastModified);
        }));
    }
    ...
}

The method RuntimeExceptionDecorator#decorate is overloaded, so you can use it also for streams as you can see in the above example. This is provided with the inteface ThrowableConsumer that is a FunctionalInterface.

Want to Help and improve it?

The source code for throwable are on GitHub. Please feel free to fork and send pull requests!

Create your own fork of astrapi69/throwable/fork

To share your changes, submit a pull request.

Don't forget to add new units tests on your changes.

Contacting the Developers

Do not hesitate to contact the throwable developers with your questions, concerns, comments, bug reports, or feature requests.

• Feature requests, questions and bug reports can be reported at the issues page.

Note

No animals were harmed in the making of this library.

Donations

This project is kept as an open source product and relies on contributions to remain being developed. If you like this library, please consider a donation

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Credits

Nexus Sonatype repositories
Special thanks to sonatype repository for providing a free maven repository service for open source projects

codecov.io
Special thanks to codecov.io for providing a free code coverage for open source projects

javadoc.io
Special thanks to javadoc.io for providing a free javadoc documentation for open source projects