org.placelab.midp
Class Storage

java.lang.Object
  org.placelab.midp.Storage

public class Storage

extends java.lang.Object

General storage infrastructure for placelab on midp phones, using the phones' RMS storage

Nested Class Summary

class	Storage.StorageEditorUI
class	Storage.StorageUI

Field Summary

static java.lang.String	FALSE
static java.lang.String	PREFS_EMULATOR
javax.microedition.rms.RecordStore	rms
static java.lang.String	STORE_NAME
static java.lang.String	TRUE
static java.lang.String	TYPE_PREFS

Constructor Summary

protected

Storage()

Method Summary

static void	add(java.lang.String type, java.lang.String key, java.lang.String value) Add an entry into the uberstore.
static boolean	delete(java.lang.String record) delete a record.
static void	deleteAll()
static java.lang.String	get(java.lang.String type, java.lang.String key) returns the record corresponding to this type and key.
static boolean	getBooleanPref(java.lang.String name, boolean defaultValue) gets a boolean preference from TYPE_PREFS
static javax.microedition.rms.RecordEnumeration	getByType(java.lang.String type) get all records for a type
protected static Storage	getInst()
static java.lang.String	getKey(java.lang.String record) Get the key for a record
static int	getRecordCount()
static java.lang.String	getType(java.lang.String record) Get the type for a record
static UIComponent	getUI(javax.microedition.lcdui.Display display, UIComponent back)
static java.lang.String	getValue(java.lang.String record) Get the value for a record
static boolean	replace(java.lang.String oldRecord, java.lang.String type, java.lang.String key, java.lang.String val)
static void	toggleBooleanPref(java.lang.String name, boolean defaultBeforeToggle) toggles a boolean of TYPE_PREFS

Methods inherited from class java.lang.Object

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

Field Detail

STORE_NAME

public static final java.lang.String STORE_NAME

See Also:

Constant Field Values

TYPE_PREFS

public static final java.lang.String TYPE_PREFS

See Also:

Constant Field Values

PREFS_EMULATOR

public static final java.lang.String PREFS_EMULATOR

See Also:

Constant Field Values

TRUE

public static final java.lang.String TRUE

See Also:

Constant Field Values

FALSE

public static final java.lang.String FALSE

See Also:

Constant Field Values

rms

public javax.microedition.rms.RecordStore rms

Constructor Detail

Storage

protected Storage()
           throws javax.microedition.rms.RecordStoreException

Method Detail

getRecordCount

public static int getRecordCount()

getInst

protected static Storage getInst()
                          throws javax.microedition.rms.RecordStoreException

Throws:

javax.microedition.rms.RecordStoreException

add

public static void add(java.lang.String type,
                       java.lang.String key,
                       java.lang.String value)
                throws javax.microedition.rms.RecordStoreException

Add an entry into the uberstore. Example: add(Preferences.TYPE_PREFS,Preferences.PREFS_EMULATOR,"t");

Throws:

javax.microedition.rms.RecordStoreException

get

public static java.lang.String get(java.lang.String type,
                                   java.lang.String key)

returns the record corresponding to this type and key. Use getValue() to get the value.

delete

public static boolean delete(java.lang.String record)
                      throws javax.microedition.rms.RecordStoreException

delete a record. You must pass the record string in, not the value

Throws:

javax.microedition.rms.RecordStoreException

replace

public static boolean replace(java.lang.String oldRecord,
                              java.lang.String type,
                              java.lang.String key,
                              java.lang.String val)
                       throws javax.microedition.rms.RecordStoreException

Throws:

javax.microedition.rms.RecordStoreException

getByType

public static javax.microedition.rms.RecordEnumeration getByType(java.lang.String type)

get all records for a type

deleteAll

public static void deleteAll()
                      throws javax.microedition.rms.RecordStoreException

Throws:

javax.microedition.rms.RecordStoreException

getType

public static java.lang.String getType(java.lang.String record)

Get the type for a record

getKey

public static java.lang.String getKey(java.lang.String record)

Get the key for a record

getValue

public static java.lang.String getValue(java.lang.String record)

Get the value for a record

toggleBooleanPref

public static void toggleBooleanPref(java.lang.String name,
                                     boolean defaultBeforeToggle)
                              throws javax.microedition.rms.RecordStoreException

toggles a boolean of TYPE_PREFS

Throws:

javax.microedition.rms.RecordStoreException

getBooleanPref

public static boolean getBooleanPref(java.lang.String name,
                                     boolean defaultValue)

gets a boolean preference from TYPE_PREFS

getUI

public static UIComponent getUI(javax.microedition.lcdui.Display display,
                                UIComponent back)
                         throws javax.microedition.rms.RecordStoreException

Throws:

javax.microedition.rms.RecordStoreException