com.asakusafw.runtime.io.text.value

Class ValueOptionFieldAdapter<T extends ValueOption<T>>

java.lang.Object

com.asakusafw.runtime.io.text.value.ValueOptionFieldAdapter<T>

Type Parameters:

T - the value type

All Implemented Interfaces:

FieldAdapter<T>

Direct Known Subclasses:

BooleanOptionFieldAdapter, DateOptionFieldAdapter, DateTimeOptionFieldAdapter, NumericOptionFieldAdapter, StringOptionFieldAdapter

public abstract class ValueOptionFieldAdapter<T extends ValueOption<T>>
extends Object
implements FieldAdapter<T>

An abstract implementation of FieldAdapter which accepts ValueOption.

Since:

0.9.1

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	ValueOptionFieldAdapter.BuilderBase<S extends ValueOptionFieldAdapter.BuilderBase<S,T>,T extends FieldAdapter<?>> A basic implementation of builder for ValueOptionFieldAdapter.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_NULL_FORMAT The default value of NULL format.

Constructor Summary

Constructors

Constructor and Description
ValueOptionFieldAdapter() Creates a new instance.
ValueOptionFieldAdapter(String nullFormat) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
void	clear(T property) Clears the given property.
protected abstract void	doEmit(T property, StringBuilder output) Emits the given non-null property value into the string builder.
protected abstract void	doParse(CharSequence contents, T property) Parses the given non-null character sequence and set the parsed value into property.
void	emit(T property, FieldOutput output) Extracts the given property value into the destination field.
void	parse(CharSequence contents, T property) Extracts the given field content into the destination property.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_NULL_FORMAT

public static final String DEFAULT_NULL_FORMAT

The default value of NULL format.

Constructor Detail

ValueOptionFieldAdapter

public ValueOptionFieldAdapter()

Creates a new instance.

ValueOptionFieldAdapter

public ValueOptionFieldAdapter(String nullFormat)

Creates a new instance.

Parameters:

nullFormat - the null value format (nullable)

Method Detail

clear

public void clear(T property)

Description copied from interface: FieldAdapter

Clears the given property.

Specified by:

clear in interface FieldAdapter<T extends ValueOption<T>>

Parameters:

property - the property

parse

public void parse(CharSequence contents,
                  T property)

Description copied from interface: FieldAdapter

Extracts the given field content into the destination property.

Specified by:

parse in interface FieldAdapter<T extends ValueOption<T>>

Parameters:

contents - the field content

property - the destination property

emit

public void emit(T property,
                 FieldOutput output)

Description copied from interface: FieldAdapter

Extracts the given property value into the destination field.

Specified by:

emit in interface FieldAdapter<T extends ValueOption<T>>

Parameters:

property - the property value

output - the destination field output

doParse

protected abstract void doParse(CharSequence contents,
                                T property)

Parses the given non-null character sequence and set the parsed value into property.

Parameters:

contents - the contents, never null

property - the destination property

Throws:

IllegalArgumentException - if the character sequence is malformed for this field

doEmit

protected abstract void doEmit(T property,
                               StringBuilder output)

Emits the given non-null property value into the string builder.

Parameters:

property - the property value, never null nor represents null

output - the destination buffer