net.sf.sasl.language.placeholder.aop.resolver
Class DatePlaceholderResolver

java.lang.Object
  net.sf.sasl.language.placeholder.aop.resolver.DatePlaceholderResolver

All Implemented Interfaces:

IPlaceholderResolver

public class DatePlaceholderResolver
extends Object
implements IPlaceholderResolver

The resolver offers placeholders to format and output dates in a human readable way.
date{ ['pattern' [,date]] }
pattern: optional date pattern, where the pattern must follow the grammar of SimpleDateFormat.
date: optional Date that should get formatted.
The default date pattern is "yyyy-MM-dd HH:mm:ss.SSS" and the default date is the current local time of the OS.

Since:

0.0.1 (sasl-common-aspect-library)

Author:

Philipp Förmer

Constructor Summary

DatePlaceholderResolver()

Method Summary

Set<String>	getResolveablePlaceholders() Returns a set of all placeholder procedures names that can be resolved by the placeholder.
Object	resolve(String placeholderName, Object[] placeholderArguments, IEnvironment environment) Resolves the given placeholder under the passed interpreter environment.

Methods inherited from class java.lang.Object

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

Constructor Detail

DatePlaceholderResolver

public DatePlaceholderResolver()

Method Detail

getResolveablePlaceholders

public Set<String> getResolveablePlaceholders()

Description copied from interface: IPlaceholderResolver

Returns a set of all placeholder procedures names that can be resolved by the placeholder.

Specified by:

getResolveablePlaceholders in interface IPlaceholderResolver

Returns:

non null.

Since:

0.0.1 (sasl-common-aspect-library)

See Also:

IPlaceholderResolver.getResolveablePlaceholders()

resolve

public Object resolve(String placeholderName,
                      Object[] placeholderArguments,
                      IEnvironment environment)
               throws ResolveException

Description copied from interface: IPlaceholderResolver

Resolves the given placeholder under the passed interpreter environment. The placeholderArguments are static defined (in a placeholder script) or dynamic created parameters (by other placeholder calls) that are passed to the placeholder as procedure arguments.
The resolve method is only invoked for placeholders that the resolver defines that he offers them (IPlaceholderResolver.getResolveablePlaceholders()).

Specified by:

resolve in interface IPlaceholderResolver

Parameters:

placeholderName - non null.

placeholderArguments - non null.

environment - non null

Returns:

null or non null.

Throws:

ResolveException - if the placeholder could not get resolved, for example because the parameters mismatch, or the resolution is only successful for a specific target method execution phase.

Since:

0.0.1 (sasl-common-aspect-library)

See Also:

IPlaceholderResolver.resolve(java.lang.String, java.lang.Object[], net.sf.sasl.language.placeholder.aop.interpreter.IEnvironment)