hub / github.com/apache/commons-lang

github.com/apache/commons-lang @commons-lang-3.9 sqlite

repository ↗ · DeepWiki ↗ · release commons-lang-3.9 ↗ · compare 2 versions

6,335 symbols 22,796 edges 327 files 2,694 documented · 43%

README

Apache Commons Lang

Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang.

Documentation

More information can be found on the Apache Commons Lang homepage. The Javadoc can be browsed. Questions related to the usage of Apache Commons Lang should be posted to the user mailing list.

Where can I get the latest release?

You can download source and binaries from our download page.

Alternatively you can pull it from the central Maven repositories:

<dependency>
  <groupId>org.apache.commons</groupId>
  <artifactId>commons-lang3</artifactId>
  <version>3.9</version>
</dependency>

Contributing

We accept Pull Requests via GitHub. The developer mailing list is the main channel of communication for contributors. There are some guidelines which will make applying PRs easier for us: + No tabs! Please use spaces for indentation. + Respect the code style. + Create minimal diffs - disable on save actions like reformat source code or organize imports. If you feel the source code should be reformatted create a separate PR for this change. + Provide JUnit tests for your changes and make sure your changes don't break any existing tests by running mvn clean test.

If you plan to contribute on a regular basis, please consider filing a contributor license agreement. You can learn more about contributing via GitHub in our contribution guidelines.

License

This code is under the Apache Licence v2.

See the NOTICE.txt file for required notices and attributions.

Donations

You like Apache Commons Lang? Then donate back to the ASF to support the development.

Additional Resources

Apache Commons Homepage
Apache Issue Tracker (JIRA)
Apache Commons Twitter Account
#apache-commons IRC channel on irc.freenode.org

Extension points exported contracts — how you extend this code

ExceptionContext (Interface)

Allows the storage and retrieval of contextual information based on label-value pairs for exceptions. Implementation [6 …

src/main/java/org/apache/commons/lang3/exception/ExceptionContext.java

Foo (Interface)

(no doc) [4 implementers]

src/test/java/org/apache/commons/lang3/reflect/testbed/Foo.java

ConcurrentInitializer (Interface)

Definition of an interface for the thread-safe initialization of objects. The idea behind this interface is [6 implementers]

src/main/java/org/apache/commons/lang3/concurrent/ConcurrentInitializer.java

Bar (Interface)

(no doc) [3 implementers]

src/test/java/org/apache/commons/lang3/reflect/testbed/Bar.java

Builder (Interface)

The Builder interface is designed to designate a class as a builder object in the Builder design pattern. B [9 implementers]

src/main/java/org/apache/commons/lang3/builder/Builder.java

GenericConsumer (Interface)

(no doc) [2 implementers]

src/test/java/org/apache/commons/lang3/reflect/testbed/GenericConsumer.java

Mutable (Interface)

Provides mutable access to a value. Mutable is used as a generic interface to the implementations in th [11 implementers]

src/main/java/org/apache/commons/lang3/mutable/Mutable.java

This (Interface)

(no doc)

src/test/java/org/apache/commons/lang3/reflect/TypeUtilsTest.java

Core symbols most depended-on inside this repo

valueOf

called by 718

src/main/java/org/apache/commons/lang3/StringUtils.java

getClass

called by 584

src/main/java/org/apache/commons/lang3/ClassUtils.java

toString

called by 431

src/main/java/org/apache/commons/lang3/text/StrBuilder.java

append

called by 420

src/main/java/org/apache/commons/lang3/text/StrBuilder.java

get

called by 384

src/main/java/org/apache/commons/lang3/concurrent/ConcurrentInitializer.java

parse

called by 374

src/main/java/org/apache/commons/lang3/time/DateParser.java

isAssignable

called by 304

src/main/java/org/apache/commons/lang3/ClassUtils.java

toComparison

called by 298

src/main/java/org/apache/commons/lang3/builder/CompareToBuilder.java

Shape

Method 5,687

Class 594

Interface 38

Enum 16

Languages

Java100%

Modules by API surface

src/test/java/org/apache/commons/lang3/ArrayUtilsTest.java321 symbols

src/test/java/org/apache/commons/lang3/ValidateTest.java284 symbols

src/test/java/org/apache/commons/lang3/StringUtilsTest.java151 symbols

src/main/java/org/apache/commons/lang3/StringUtils.java147 symbols

src/test/java/org/apache/commons/lang3/builder/ToStringBuilderTest.java127 symbols

src/test/java/org/apache/commons/lang3/math/NumberUtilsTest.java122 symbols

src/test/java/org/apache/commons/lang3/builder/EqualsBuilderTest.java118 symbols

src/test/java/org/apache/commons/lang3/text/StrBuilderTest.java96 symbols

src/main/java/org/apache/commons/lang3/time/FastDatePrinter.java95 symbols

src/main/java/org/apache/commons/lang3/builder/ToStringStyle.java95 symbols

src/main/java/org/apache/commons/lang3/text/StrBuilder.java82 symbols

src/test/java/org/apache/commons/lang3/ClassUtilsTest.java78 symbols

Dependencies from manifests, versioned

com.puppycrawl.tools:checkstyle1×

org.easymock:easymock4.0.2 · 1×

org.hamcrest:hamcrest2.1 · 1×

org.junit-pioneer:junit-pioneer0.3.0 · 1×

org.junit.jupiter:junit-jupiter5.4.0 · 1×

org.openjdk.jmh:jmh-core1×

org.openjdk.jmh:jmh-generator-annprocess1×

For agents

$ claude mcp add commons-lang \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact