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New Doclet

A new enhanced doclet (written by Gerald Boersma) is now available.

It has much more option than the legacy previous one.

You will find detailed instructions here.

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UMLDoclet

An open source doclet is now available on github..

It's also available in Maven central for easy inclusion in any java projects.

Usage:

• Declare the nl.talsmasoftware.umldoclet.UMLDoclet class to be used by javadoc (will by default also delegate to Standard doclet, so all-in-one).
• All customizable options will become documented on the github page before the 1.0.0 release.

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Old legacy doclet

You can generate a PlantUML description for UML-class diagram out of Java-source. Only public fields and methods will be exported.

The jar for the doclet is available here: plantUmlDoclet.jar

The association are based only on field declaration and Javadoc-Tags in methods.

There are following Javadoc-Tags to describe associations, according to UMLGraph:

• @note: can be used to add a note to a class
• @assoc: Pattern: <cardinality> - <cardinality> <associated class> (no spaces)
• @navassoc: Pattern: <cardinality> - <cardinality> <associated class> (no spaces)
• @depend: Pattern: <cardinality> - <cardinality> <associated class> (no spaces)
• @overrideAssoc: can be used to mark a field-declaration not to export its association.

For configuration following system.properties can be used:

• createPackages: Default value is false
• showPublicMethods: Default value is true
• showPublicConstructors: Default value is true
• showPublicFields: Default value is true

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Ant-Script example

<project>
<target name="main">
<javadoc doclet="de.mallox.doclet.PlantUMLDoclet"
docletpath="plantUmlDoclet.jar"
access="private"
additionalparam=
"-J-DdestinationFile=uml.txt -J-DcreatePackages=false -J-DshowPublicMethods=true -J-DshowPublicConstructors=false -J-DshowPublicFields=true"
>
<packageset dir="src">
<include name="**"/>
</packageset>
</javadoc>

<java jar="plantuml.jar" fork="true" maxmemory="128m">
<arg value="uml.txt"/>
</java>
</target>
</project>

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Image example

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Source example

package demo;

class Controller {}
class EmbeddedAgent {}
class PowerManager {}

/**
* @extends Controller
* @extends EmbeddedAgent
* @navassoc - - 1..* PowerManager
* @note this is a note
*/
class SetTopController implements URLStreamHandler {
public String name;

int authorizationLevel;
void startUp() {}
void shutDown() {}
void connect() {}
}

/** @depend - friend - SetTopController */
class ChannelIterator {}

interface URLStreamHandler {
void OpenConnection();
void parseURL();
void setURL();
void toExternalForm();
}