www.pudn.com > MobiCraft_src.rar > ProfileManager.java

// style: tabs, tabsize=4, style=ANSI 
//+----------------------------------------------------------------------+ 
// Copyleft 2007. MobiCraft Team. GNU GPL license vesion 2. 
// Made by Andrew Denisov and Zahar Semenov 
//+----------------------------------------------------------------------+ 
// Filename: ProfileManager.java 
//+----------------------------------------------------------------------+ 
// Comment: Manager of profiles. Works with RMS for storing them. 
//+----------------------------------------------------------------------+ 
 
package app; 
import network.TProfile; 
 
import java.util.Vector; 
import java.io.*; 
import javax.microedition.rms.RecordStore; 
import javax.microedition.rms.RecordEnumeration; 
import javax.microedition.rms.RecordComparator; 
 
public class ProfileManager implements RecordComparator 
{ 
	public MainCanvas mMainCanvas; 
	 
	public final static String RMS_PROFILES_STORE = "profiles"; 
	 
	public RecordStore mRecordStore; 
	 
// Список профайлов ------------------- 
	public Vector vProfiles; 
	 
	public ProfileManager(/*MainCanvas m*/) 
    { 
		/*mMainCanvas = m;*/ 
	} 
	public void Init() 
	{ 
		vProfiles = new Vector(); 
	} 
	public void Destroy() 
	{ 
		vProfiles.removeAllElements(); 
		vProfiles = null; 
	} 
	public boolean CloseRMS() 
	{ 
		if ( mRecordStore == null ) 
			return true; 
		try  
		{ 
			mRecordStore.closeRecordStore(); 
		} 
		catch (Throwable e) 
		{ 
			return false; 
		} 
		return true; 
	} 
	public boolean LoadFromRMS() 
	{ 
		vProfiles.removeAllElements(); 
		try 
		{ 
			mRecordStore = RecordStore.openRecordStore(RMS_PROFILES_STORE, true); 
			RecordEnumeration re = mRecordStore.enumerateRecords(null, this, false); 
			while (re.hasNextElement()) 
			{ 
				ByteArrayInputStream bais = new ByteArrayInputStream(re.nextRecord()); 
				DataInputStream dis = new DataInputStream(bais);				 
				String sName = dis.readUTF(); 
				String sPass = dis.readUTF(); 
				TProfile profile = new TProfile(sName, sPass); 
				vProfiles.addElement(profile); 
			} 
			mRecordStore.closeRecordStore(); 
		} 
		catch (Throwable e) 
		{ 
			CloseRMS(); 
			mRecordStore = null; 
			return false; 
		} 
		mRecordStore = null; 
		return true; 
	} 
	public boolean SaveToRMS() 
	{ 
		try 
		{ 
			mRecordStore.deleteRecordStore(RMS_PROFILES_STORE); 
			mRecordStore = RecordStore.openRecordStore(RMS_PROFILES_STORE, true); 
			 
			for ( int i=0; i 0 ) 
			return RecordComparator.FOLLOWS; 
		return RecordComparator.EQUIVALENT;	 
	} 
		 
}