Package net.sourceforge.pmd.lang

Class LanguageModuleBase.LanguageMetadata

java.lang.Object

net.sourceforge.pmd.lang.LanguageModuleBase.LanguageMetadata

Enclosing class:

LanguageModuleBase

protected static final class LanguageModuleBase.LanguageMetadata
extends Object

Metadata about a language, basically a builder pattern for the language instance.

Some of the metadata are mandatory:

• The id (withId(String))
• The display name (name(String))
• The file extensions (extensions(String, String...)

Method Summary

Modifier and Type	Method	Description
LanguageModuleBase.LanguageMetadata	addDefaultVersion(String name, String... aliases)	Add a new version by its name and make it the default version.
LanguageModuleBase.LanguageMetadata	addVersion(String name, String... aliases)	Add a new version by its name.
LanguageModuleBase.LanguageMetadata	dependsOnLanguage(String id)	Record that this language depends on another language, identified by its id.
LanguageModuleBase.LanguageMetadata	extensions(String e1, String... others)	Record the extensions assigned to the language.
LanguageModuleBase.LanguageMetadata	extensions(Collection<String> extensions)	Record the extensions assigned to the language.
LanguageModuleBase.LanguageMetadata	name(@NonNull String name)	Record the display name of the language.
LanguageModuleBase.LanguageMetadata	shortName(@NonNull String shortName)	Record the short name of the language.
static LanguageModuleBase.LanguageMetadata	withId(@NonNull String id)	Factory method to create an ID.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

withId

public static LanguageModuleBase.LanguageMetadata withId(@NonNull String id)

Factory method to create an ID.

Parameters:

id - The language id. Must be usable as a Java package name segment, ie be lowercase, alphanumeric, starting with a letter.

Returns:

A builder for language metadata

Throws:

IllegalArgumentException - If the parameter is not a valid ID

NullPointerException - If the parameter is null

name

public LanguageModuleBase.LanguageMetadata name(@NonNull String name)

Record the display name of the language. This also serves as the short name if shortName(String) is not called.

Parameters:

name - Display name of the language

Throws:

NullPointerException - If the parameter is null

IllegalArgumentException - If the parameter is not a valid language name

shortName

public LanguageModuleBase.LanguageMetadata shortName(@NonNull String shortName)

Record the short name of the language.

Parameters:

shortName - Short name of the language

Throws:

NullPointerException - If the parameter is null

IllegalArgumentException - If the parameter is not a valid language name

extensions

public LanguageModuleBase.LanguageMetadata extensions(String e1,
                                                      String... others)

Record the extensions assigned to the language. Extensions should not start with a period ..

Parameters:

e1 - First extensions

others - Other extensions (optional)

Throws:

NullPointerException - If any extension is null

extensions

public LanguageModuleBase.LanguageMetadata extensions(Collection<String> extensions)

Record the extensions assigned to the language. Extensions should not start with a period .. At least one extension must be provided.

Parameters:

extensions - the extensions

Throws:

NullPointerException - If any extension is null

IllegalArgumentException - If no extensions are provided

addVersion

public LanguageModuleBase.LanguageMetadata addVersion(String name,
                                                      String... aliases)

Add a new version by its name.

Parameters:

name - Version name. Must contain no spaces.

aliases - Additional names that are mapped to this version. Must contain no spaces.

Throws:

NullPointerException - If any parameter is null

IllegalArgumentException - If the name or aliases are empty or contain spaces

addDefaultVersion

public LanguageModuleBase.LanguageMetadata addDefaultVersion(String name,
                                                             String... aliases)

Add a new version by its name and make it the default version.

Parameters:

name - Version name. Must contain no spaces.

aliases - Additional names that are mapped to this version. Must contain no spaces.

Throws:

NullPointerException - If any parameter is null

IllegalArgumentException - If the name or aliases are empty or contain spaces

dependsOnLanguage

public LanguageModuleBase.LanguageMetadata dependsOnLanguage(String id)

Record that this language depends on another language, identified by its id. This means any LanguageProcessorRegistry that contains a processor for this language is asserted upon construction to also contain a processor for the language depended on.

Parameters:

id - ID of the language to depend on.

Throws:

NullPointerException - If any parameter is null

IllegalArgumentException - If the name is not a valid language Id