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com.clra.member
Class Telephone  

java.lang.Object
  com.clra.member.Telephone

All Implemented Interfaces:

java.io.Serializable

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public class Telephone

extends java.lang.Object

implements java.io.Serializable

Encapsulates telephone information of a member.

Version:

$Id: Telephone.java,v 1.13 2003/02/26 03:38:45 rphall Exp $

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Field Summary
private  int	ac1
private  java.lang.String	areaCode
static java.lang.String	DAY
static java.lang.String	EVENING
private  java.lang.String	exchange
private  java.lang.String	extension
private  int	loc1
private  java.lang.String	local
static java.lang.String	OTHER
private  int	xch0
private  int	xt0

 

Constructor Summary

Telephone()           Produces an invalid instance.

Telephone(java.lang.String number)

Telephone(java.lang.String ac, java.lang.String ech, java.lang.String lcl, java.lang.String ext)

 

Method Summary
static Telephone	createTelephone(java.lang.String areaCode, java.lang.String exchange, java.lang.String local, java.lang.String extension)           Creates a valid telephone number or returns null
boolean	equals(java.lang.Object o)           Determine whether this Object is semantically equal to another Object.
java.lang.String	getAreaCode()
java.lang.String	getExchange()
java.lang.String	getExtension()
java.lang.String	getLocal()
int	hashCode()           Get a value that represents this Object, as uniquely as possible within the confines of an int.
static boolean	isValidAreaCode(java.lang.String areaCode)
private static boolean	isValidComponent(java.lang.String number)
static boolean	isValidExchange(java.lang.String exchange)
static boolean	isValidExtension(java.lang.String extension)
static boolean	isValidLocal(java.lang.String local)
private static java.lang.String	parseAreaCode(java.lang.String number, int ac1)
private static java.lang.String	parseExchange(java.lang.String number, int xch0)
private static java.lang.String	parseExtension(java.lang.String number, int xt0)
private static java.lang.String	parseLocal(java.lang.String number, int loc1)
java.lang.String	toString()           Convert this Object to a human-readable String.
private  void	validateComponents()

 

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Field Detail

EVENING

public static final java.lang.String EVENING

See Also:

Constant Field Values

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DAY

public static final java.lang.String DAY

See Also:

Constant Field Values

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OTHER

public static final java.lang.String OTHER

See Also:

Constant Field Values

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areaCode

private java.lang.String areaCode

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exchange

private java.lang.String exchange

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local

private java.lang.String local

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extension

private java.lang.String extension

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ac1

private int ac1

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xch0

private int xch0

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loc1

private int loc1

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xt0

private int xt0

Constructor Detail

Telephone

public Telephone()

Produces an invalid instance. Used only during deserialization.

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Telephone

public Telephone(java.lang.String ac,
                 java.lang.String ech,
                 java.lang.String lcl,
                 java.lang.String ext)

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Telephone

public Telephone(java.lang.String number)

Method Detail

isValidAreaCode

public static boolean isValidAreaCode(java.lang.String areaCode)

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isValidExchange

public static boolean isValidExchange(java.lang.String exchange)

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isValidLocal

public static boolean isValidLocal(java.lang.String local)

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isValidExtension

public static boolean isValidExtension(java.lang.String extension)

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isValidComponent

private static boolean isValidComponent(java.lang.String number)

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validateComponents

private void validateComponents()

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createTelephone

public static Telephone createTelephone(java.lang.String areaCode,
                                        java.lang.String exchange,
                                        java.lang.String local,
                                        java.lang.String extension)

Creates a valid telephone number or returns null

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getAreaCode

public java.lang.String getAreaCode()

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getExchange

public java.lang.String getExchange()

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getLocal

public java.lang.String getLocal()

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getExtension

public java.lang.String getExtension()

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parseAreaCode

private static java.lang.String parseAreaCode(java.lang.String number,
                                              int ac1)

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parseExchange

private static java.lang.String parseExchange(java.lang.String number,
                                              int xch0)

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parseLocal

private static java.lang.String parseLocal(java.lang.String number,
                                           int loc1)

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parseExtension

private static java.lang.String parseExtension(java.lang.String number,
                                               int xt0)

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toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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equals

public boolean equals(java.lang.Object o)

Description copied from class: java.lang.Object

Determine whether this Object is semantically equal to another Object.

There are some fairly strict requirements on this method which subclasses must follow:

• It must be transitive. If a.equals(b) and b.equals(c), then a.equals(c) must be true as well.
• It must be symmetric. a.equals(b) and b.equals(a) must have the same value.
• It must be reflexive. a.equals(a) must always be true.
• It must be consistent. Whichever value a.equals(b) returns on the first invocation must be the value returned on all later invocations.
• a.equals(null) must be false.
• It must be consistent with hashCode(). That is, a.equals(b) must imply a.hashCode() == b.hashCode(). The reverse is not true; two objects that are not equal may have the same hashcode, but that has the potential to harm hashing performance.

This is typically overridden to throw a java.lang.ClassCastException if the argument is not comparable to the class performing the comparison, but that is not a requirement. It is legal for a.equals(b) to be true even though a.getClass() != b.getClass(). Also, it is typical to never cause a java.lang.NullPointerException.

In general, the Collections API (java.util) use the equals method rather than the == operator to compare objects. However, java.util.IdentityHashMap is an exception to this rule, for its own good reasons.

The default implementation returns this == o.

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hashCode

public int hashCode()

Description copied from class: java.lang.Object

Get a value that represents this Object, as uniquely as possible within the confines of an int.

There are some requirements on this method which subclasses must follow:

• Semantic equality implies identical hashcodes. In other words, if a.equals(b) is true, then a.hashCode() == b.hashCode() must be as well. However, the reverse is not necessarily true, and two objects may have the same hashcode without being equal.
• It must be consistent. Whichever value o.hashCode() returns on the first invocation must be the value returned on all later invocations as long as the object exists. Notice, however, that the result of hashCode may change between separate executions of a Virtual Machine, because it is not invoked on the same object.

Notice that since hashCode is used in java.util.Hashtable and other hashing classes, a poor implementation will degrade the performance of hashing (so don't blindly implement it as returning a constant!). Also, if calculating the hash is time-consuming, a class may consider caching the results.

The default implementation returns System.identityHashCode(this)

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