czetsuya's hive

public void writeStringArray(String file, String[] strArr) throws Exception {
RecordStore rs = RecordStore.openRecordStore(file, true, RecordStore.AUTHMODE_PRIVATE, false);
ByteArrayOutputStream bos = null;
DataOutputStream dos = null;
for(int i = 0; i < strArr.length; i++) {
bos = new ByteArrayOutputStream();
dos = new DataOutputStream(bos);
dos.writeUTF(strArr[i]);
byte[] b = bos.toByteArray();
rs.addRecord(b, 0, b.length);
}
dos.close();
bos.close();

rs.closeRecordStore();
}

public boolean deleteRecords(String file, String strKeys[], boolean createFile) throws Exception {
RecordStore rs = RecordStore.openRecordStore(file, createFile, RecordStore.AUTHMODE_PRIVATE, createFile);

if(rs.getNumRecords() > 0) {
RecordEnumeration re = rs.enumerateRecords(null, null, true);
ByteArrayInputStream bis = null;
DataInputStream dis = null;
for(int i = 0; i < strKeys.length; i++) {
while(re.hasNextElement()) {
int id = re.nextRecordId();
bis = new ByteArrayInputStream(rs.getRecord(id));
dis = new DataInputStream(bis);
bis = new ByteArrayInputStream(rs.getRecord(id));
dis = new DataInputStream(bis);
String strRecord = dis.readUTF();
if(strRecord.equals(strKeys[i])) {
System.out.println(strKeys[i]);
rs.deleteRecord(id);
break;
}
}
}
dis.close();
bis.close();
}
rs.closeRecordStore();

return true;
}

public String[] getStringArray(String file, boolean createFile) throws Exception {
RecordStore rs = RecordStore.openRecordStore(file, createFile, RecordStore.AUTHMODE_PRIVATE, createFile);
String strArr[] = null;
int ctr = 0;

if(rs.getNumRecords() > 0) {
RecordEnumeration re = rs.enumerateRecords(null, this, true);

strArr = new String[re.numRecords()];
ByteArrayInputStream bis = null;
DataInputStream dis = null;
while(re.hasNextElement()) {
int id = re.nextRecordId();
bis = new ByteArrayInputStream(rs.getRecord(id));
dis = new DataInputStream(bis);
bis = new ByteArrayInputStream(rs.getRecord(id));
dis = new DataInputStream(bis);
strArr[ctr++] = dis.readUTF();
}
dis.close();
bis.close();
}
rs.closeRecordStore();

return strArr;
}