info.freelibrary.marc4j.impl

Class DataFieldImpl

java.lang.Object

info.freelibrary.marc4j.impl.VariableFieldImpl

info.freelibrary.marc4j.impl.DataFieldImpl

All Implemented Interfaces:

Serializable, Comparable<VariableField>, DataField, VariableField

public class DataFieldImpl
extends VariableFieldImpl
implements DataField

DataField defines behavior for a data field (tag 010-999).

Data fields are variable fields identified by tags beginning with ASCII numeric values other than two zero's. Data fields contain indicators, subfield codes, data and a field terminator.

Author:

Bas Peters, Kevin S. Clarke

See Also:

Serialized Form

Method Summary

Methods

Modifier and Type	Method and Description
void	addSubfield(int aIndex, Subfield aSubfield) Inserts a Subfield at the specified position.
void	addSubfield(Subfield aSubfield) Adds a Subfield.
int	countSubfields() Returns the number of subfields in this DataField.
boolean	find(String aPattern) Returns true if a match is found for the supplied regular expression pattern; else, false.
char	getIndicator1() Returns the field's first indicator.
char	getIndicator2() Returns the field's second indicator
Subfield	getSubfield(char aCode) Returns the first Subfield matching the supplied char code.
List<Subfield>	getSubfields() Returns the list of Subfield objects.
List<Subfield>	getSubfields(char aCode) Returns the Subfields with the supplied char code.
void	removeSubfield(Subfield aSubfield) Removes a Subfield from the field.
void	setIndicator1(char aFirstInd) Sets the field's first indicator.
void	setIndicator2(char aSecondInd) Sets the field's second indicator.
void	setTag(String aTag) Sets the tag of a DataField.
String	toString() Returns a string representation of this data field.

Methods inherited from class info.freelibrary.marc4j.impl.VariableFieldImpl

compareTo, getId, getTag, setId

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.marc4j.marc.VariableField

getId, getTag, setId

Methods inherited from interface java.lang.Comparable

compareTo

Method Detail

setTag

public void setTag(String aTag)

Sets the tag of a DataField.

Specified by:

setTag in interface VariableField

Overrides:

setTag in class VariableFieldImpl

Parameters:

aTag - The tag of a DataField

setIndicator1

public void setIndicator1(char aFirstInd)

Sets the field's first indicator.

Specified by:

setIndicator1 in interface DataField

Parameters:

aFirstInd - The first indicator

getIndicator1

public char getIndicator1()

Returns the field's first indicator.

Specified by:

getIndicator1 in interface DataField

Returns:

The field's first indicator

setIndicator2

public void setIndicator2(char aSecondInd)

Sets the field's second indicator.

Specified by:

setIndicator2 in interface DataField

Parameters:

aSecondInd - The field's second indicator

getIndicator2

public char getIndicator2()

Returns the field's second indicator

Specified by:

getIndicator2 in interface DataField

Returns:

The field's second indicator

addSubfield

public void addSubfield(Subfield aSubfield)

Adds a Subfield.

Specified by:

addSubfield in interface DataField

Parameters:

aSubfield - The Subfield of a DataField

Throws:

IllegalAddException - when the parameter is not an instance of SubfieldImpl

addSubfield

public void addSubfield(int aIndex,
               Subfield aSubfield)

Inserts a Subfield at the specified position.

Specified by:

addSubfield in interface DataField

Parameters:

aIndex - The subfield's position within the list

aSubfield - The Subfield object

Throws:

IllegalAddException - when supplied Subfield isn't an instance of SubfieldImpl

removeSubfield

public void removeSubfield(Subfield aSubfield)

Removes a Subfield from the field.

Specified by:

removeSubfield in interface DataField

Parameters:

aSubfield - The subfield to remove from the field.

getSubfields

public List<Subfield> getSubfields()

Returns the list of Subfield objects.

Specified by:

getSubfields in interface DataField

Returns:

The list of Subfield objects

getSubfields

public List<Subfield> getSubfields(char aCode)

Returns the Subfields with the supplied char code.

Specified by:

getSubfields in interface DataField

Parameters:

aCode - A subfield code

Returns:

A List of Subfields

countSubfields

public int countSubfields()

Returns the number of subfields in this DataField.

Specified by:

countSubfields in interface DataField

Returns:

The number of subfields in this DataField

getSubfield

public Subfield getSubfield(char aCode)

Returns the first Subfield matching the supplied char code.

Specified by:

getSubfield in interface DataField

Parameters:

aCode - A code for the subfield to be returned

Returns:

The Subfield or null if no subfield is found

find

public boolean find(String aPattern)

Returns true if a match is found for the supplied regular expression pattern; else, false.

Specified by:

find in interface VariableField

Parameters:

aPattern - A regular expression pattern to find in the subfields

Returns:

true if the pattern matches, false othewise

toString

public String toString()

Returns a string representation of this data field.

Example:

    245 10$aSummerland /$cMichael Chabon.
 

Overrides:

toString in class VariableFieldImpl

Returns:

A string representation of this data field