Package org.apache.commons.cli.help

Class AbstractHelpFormatter.Builder<B extends AbstractHelpFormatter.Builder<B,T>,T extends AbstractHelpFormatter>

java.lang.Object

org.apache.commons.cli.help.AbstractHelpFormatter.Builder<B,T>

Type Parameters:

B - The builder type.

T - The type to build.

All Implemented Interfaces:

Supplier<T>

Direct Known Subclasses:

HelpFormatter.Builder

Enclosing class:

AbstractHelpFormatter

public abstract static class AbstractHelpFormatter.Builder<B extends AbstractHelpFormatter.Builder<B,T>,T extends AbstractHelpFormatter>
extends Object
implements Supplier<T>

Abstracts building instances for subclasses.

• helpAppendable = a TextHelpAppendable writing to System.out
• optionFormatter.Builder = the default OptionFormatter.Builder

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Builder()	Constructs a new instance.

Method Summary

Modifier and Type	Method	Description
protected B	asThis()	Returns this instance cast to B.
protected Comparator<Option>	getComparator()	Gets the comparator to sort lists of options.
protected HelpAppendable	getHelpAppendable()	Gets HelpAppendable.
protected OptionFormatter.Builder	getOptionFormatBuilder()	Gets OptionFormatter.Builder to use to format options in the table.
protected String	getOptionGroupSeparator()	Gets string to separate option groups.
B	setComparator(Comparator<Option> comparator)	Sets the comparator to use for sorting options.
B	setHelpAppendable(HelpAppendable helpAppendable)	Sets the HelpAppendable.
B	setOptionFormatBuilder(OptionFormatter.Builder optionFormatBuilder)	Sets the OptionFormatter.Builder.
B	setOptionGroupSeparator(String optionGroupSeparator)	Sets the OptionGroup separator.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Supplier

get

Constructor Details

Builder

protected Builder()

Constructs a new instance.

Sets showSince to true.

Method Details

asThis

protected B asThis()

Returns this instance cast to B.

Returns:

this instance cast to B.

getComparator

protected Comparator<Option> getComparator()

Gets the comparator to sort lists of options.

Returns:

the comparator to sort lists of options.

getHelpAppendable

protected HelpAppendable getHelpAppendable()

Gets HelpAppendable.

Returns:

the HelpAppendable.

getOptionFormatBuilder

protected OptionFormatter.Builder getOptionFormatBuilder()

Gets OptionFormatter.Builder to use to format options in the table.

Returns:

the OptionFormatter.Builder to use to format options in the table.

getOptionGroupSeparator

protected String getOptionGroupSeparator()

Gets string to separate option groups.

Returns:

the string to separate option groups.

setComparator

public B setComparator(Comparator<Option> comparator)

Sets the comparator to use for sorting options. If set to null no sorting is performed.

Parameters:

comparator - The comparator to use for sorting options.

Returns:

this

setHelpAppendable

public B setHelpAppendable(HelpAppendable helpAppendable)

Sets the HelpAppendable.

Parameters:

helpAppendable - the HelpAppendable to use.

Returns:

this

setOptionFormatBuilder

public B setOptionFormatBuilder(OptionFormatter.Builder optionFormatBuilder)

Sets the OptionFormatter.Builder.

Parameters:

optionFormatBuilder - the OptionFormatter.Builder to use.

Returns:

this

setOptionGroupSeparator

public B setOptionGroupSeparator(String optionGroupSeparator)

Sets the OptionGroup separator. Normally " | " or something similar to denote that only one option may be chosen.

Parameters:

optionGroupSeparator - the string to separate option group elements with.

Returns:

this