Package org.jline.style

Class StyleBundleInvocationHandler

java.lang.Object

org.jline.style.StyleBundleInvocationHandler

All Implemented Interfaces:

InvocationHandler

class StyleBundleInvocationHandler
extends Object
implements InvocationHandler

StyleBundle proxy invocation-handler to convert method calls into string styling.

Since:

3.4

See Also:

• StyleBundle

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	StyleBundleInvocationHandler.InvalidStyleBundleMethodException	Thrown when processing StyleBundle method is found to be invalid.
(package private) static class	StyleBundleInvocationHandler.InvalidStyleGroupException	Thrown when looking up StyleBundle.StyleGroup on a type found to be missing or invalid.
(package private) static class	StyleBundleInvocationHandler.StyleBundleMethodMissingDefaultStyleException	Thrown when StyleBundle method has missing StyleBundle.DefaultStyle.

Field Summary

Fields

Modifier and Type	Field	Description
private static final Logger	log
private final StyleResolver	resolver
private final Class<? extends StyleBundle>	type

Constructor Summary

Constructors

Constructor	Description
StyleBundleInvocationHandler(Class<? extends StyleBundle> type, StyleResolver resolver)

Method Summary

Modifier and Type	Method	Description
(package private) static <T extends StyleBundle> T	create(StyleResolver resolver, Class<T> type)	Internal factory-method.
(package private) static <T extends StyleBundle> T	create(StyleSource source, Class<T> type)	Internal factory-method.
private static String	emptyToNull(String value)
private static String	getDefaultStyle(Method method)	Returns the default-style for given method, or null if unable to determine.
private static String	getStyleGroup(Class<?> type)	Returns the style group-name for given type, or null if unable to determine.
private static String	getStyleName(Method method)	Returns the style-name for given method, or null if unable to determine.
Object	invoke(Object proxy, Method method, Object[] args)
String	toString()	Slightly better logging for proxies.
private static void	validate(Method method)	Throws StyleBundleInvocationHandler.InvalidStyleBundleMethodException if given method is not suitable.

Methods inherited from class java.lang.Object

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

Field Details

log

private static final Logger log

type

private final Class<? extends StyleBundle> type

resolver

private final StyleResolver resolver

Constructor Details

StyleBundleInvocationHandler

public StyleBundleInvocationHandler(Class<? extends StyleBundle> type,
 StyleResolver resolver)

Method Details

validate

private static void validate(Method method)

Throws StyleBundleInvocationHandler.InvalidStyleBundleMethodException if given method is not suitable.

emptyToNull

@Nullable
private static String emptyToNull(@Nullable
 String value)

getStyleGroup

@Nullable
private static String getStyleGroup(Class<?> type)

Returns the style group-name for given type, or null if unable to determine.

getStyleName

private static String getStyleName(Method method)

Returns the style-name for given method, or null if unable to determine.

getDefaultStyle

@Nullable
private static String getDefaultStyle(Method method)

Returns the default-style for given method, or null if unable to determine.

create

static <T extends StyleBundle> T create(StyleResolver resolver,
 Class<T> type)

Internal factory-method.

See Also:

• Styler.bundle(Class)

create

static <T extends StyleBundle> T create(StyleSource source,
 Class<T> type)

Internal factory-method.

See Also:

• Styler.bundle(String, Class)

invoke

public Object invoke(Object proxy,
 Method method,
 Object[] args)
              throws Throwable

Specified by:

invoke in interface InvocationHandler

Throws:

Throwable

toString

public String toString()

Slightly better logging for proxies.

Overrides:

toString in class Object