rms.java

手机动态密码产生器

package com.cuilichen.usual;

import javax.microedition.rms.RecordEnumeration;
import javax.microedition.rms.RecordStore;


public class RMS {
    public static final int Int1 = 0;
    public static final int Int2 = 0;
    public static final long Long1 = 0;
    public static final String Str1 = "";
    public static final String Str2 = "";
    public static final String Str3 = "";

    public static boolean addRecord(String name, int int1, int int2, long long1, String str1, String str2, String str3, boolean b) {
        boolean success = false;

        try {
            RecordStore rs = RecordStore.openRecordStore(name, true);
            Appointment app = new Appointment(int1, int2, long1, str1, str2, str3, b);
            byte data[] = app.toBytes();
            rs.addRecord(data, 0, data.length);
            rs.closeRecordStore();
            success = true;
        } catch(Exception e) {
            e.printStackTrace();
        }

        return success;
    }

    public static int getNumOfRecords(String name) {
        try {
            RecordStore rs = RecordStore.openRecordStore(name, true);

            return rs.getNumRecords();
        } catch(Exception e) {
            return 0;
        }
    }

    public static Appointment[] getRecords(String name) {
        Appointment result[] = {  };

        try {
            RecordStore rs = RecordStore.openRecordStore(name, false);
            RecordEnumeration re = rs.enumerateRecords(null, null, false);
            result = new Appointment[rs.getNumRecords()];

            for(int i = 0; i < result.length; i++) {
                int j = re.previousRecordId();
                Appointment app = new Appointment(rs.getRecord(j));
                result[i] = app;

                //System.out.println("app["+i+"] "+app.getStr2());
            }

            rs.closeRecordStore();
        } catch(Exception e) {
        }

        return result;
    }

    public static Appointment getRecord(String name, int j) {
        Appointment result = new Appointment();

        try {
            RecordStore rs = RecordStore.openRecordStore(name, false);
            RecordEnumeration re = rs.enumerateRecords(null, null, false);
            result = new Appointment(rs.getRecord(j));
            rs.closeRecordStore();
        } catch(Exception e) {
        }

        return result;
    }

    public static int getIndex(String name, String content) {
        RecordStore rs = null;
        RecordEnumeration re = null;

        try {
            rs = RecordStore.openRecordStore(name, false); //open
            re = rs.enumerateRecords(null, null, false); //enumeration

            for(int i = 0; i < RMS.getNumOfRecords(name); i++) {
                int j = re.nextRecordId();
                Appointment app = new Appointment(rs.getRecord(j));

                if(app.getStr1().equals(content)) {
                    return j;
                }
            }
        } catch(Exception e) {
        }

        return 1;
    }

    public static boolean setRecord(String name, int id, int int1, int int2, long long1, String str1, String str2, String str3, boolean b) {
        boolean success = false;
        RecordStore rs = null;
        RecordEnumeration re = null;

        try {
            rs = RecordStore.openRecordStore(name, false); //open
            re = rs.enumerateRecords(null, null, false); //enumeration

            Appointment app = new Appointment(int1, int2, long1, str1, str2, str3, b);
            byte data[] = app.toBytes();
            rs.setRecord(id, data, 0, data.length);
            success = true;
            rs.closeRecordStore();
        } catch(Exception e) {
        }

        return success;
    }
}