org.jostraca.util
Class Internal

java.lang.Object
  org.jostraca.util.Internal

public class Internal

extends java.lang.Object

A simple handler for internal errors. Just prints a message to a PrintStream (by default, System.err).

Field Summary

static java.lang.String	CN
static java.lang.String	MSG_was_null

Constructor Summary

Internal()

Method Summary

static java.lang.Object	default_if_null(java.lang.Object pObject, java.lang.String pName, java.lang.Object pDefault) Returns Object if not null, otherwise returns default.
static java.lang.Object	null_arg(java.lang.Object pObject)
static java.lang.Object	null_arg(java.lang.Object pObject, java.lang.String pName) Returns Object if not null, otherwise throws IllegalArgumentException.
static java.lang.String	null_arg(java.lang.String pString)
static java.lang.Object[]	null_array(java.lang.Object[] pObjectArray)
static java.lang.String[]	null_array(java.lang.String[] pStringArray)
static java.util.List	null_list(java.util.List pList)
static java.util.List	null_list(java.util.List pList, java.lang.String pName) Returns List if not null, otherwise throws IllegalArgumentException.
static java.lang.Object	null_state(java.lang.Object pObject)
static java.lang.Object	null_state(java.lang.Object pObject, java.lang.String pName) Returns Object if not null, otherwise throws IllegalStateException.
static java.lang.String	null_state(java.lang.String pString)

Methods inherited from class java.lang.Object

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

Field Detail

CN

public static final java.lang.String CN

See Also:

Constant Field Values

MSG_was_null

public static final java.lang.String MSG_was_null

See Also:

Constant Field Values

Constructor Detail

Internal

public Internal()

Method Detail

null_arg

public static java.lang.Object null_arg(java.lang.Object pObject)
                                 throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

See Also:

null_arg(Object,String)

null_arg

public static java.lang.String null_arg(java.lang.String pString)
                                 throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

See Also:

null_arg(Object)

null_arg

public static java.lang.Object null_arg(java.lang.Object pObject,
                                        java.lang.String pName)
                                 throws java.lang.IllegalArgumentException

Returns Object if not null, otherwise throws IllegalArgumentException.

Throws:

java.lang.IllegalArgumentException

null_list

public static java.util.List null_list(java.util.List pList)
                                throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

See Also:

null_arg(Object,String)

null_list

public static java.util.List null_list(java.util.List pList,
                                       java.lang.String pName)
                                throws java.lang.IllegalArgumentException

Returns List if not null, otherwise throws IllegalArgumentException.

Throws:

java.lang.IllegalArgumentException

null_array

public static java.lang.String[] null_array(java.lang.String[] pStringArray)
                                     throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

null_array

public static java.lang.Object[] null_array(java.lang.Object[] pObjectArray)
                                     throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

null_state

public static java.lang.Object null_state(java.lang.Object pObject)
                                   throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

See Also:

null_state(Object,String)

null_state

public static java.lang.String null_state(java.lang.String pString)
                                   throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

See Also:

null_state(Object)

null_state

public static java.lang.Object null_state(java.lang.Object pObject,
                                          java.lang.String pName)
                                   throws java.lang.IllegalStateException

Returns Object if not null, otherwise throws IllegalStateException.

Throws:

java.lang.IllegalStateException

default_if_null

public static java.lang.Object default_if_null(java.lang.Object pObject,
                                               java.lang.String pName,
                                               java.lang.Object pDefault)

Returns Object if not null, otherwise returns default.