/**
* @param idx
* @return com.zt.db.RecordMetaData
* @roseuid 3E5D800400FF
*/
public RecordMetaData getMetaData(int idx) {
Collection cl = metadata.values();
for (Iterator it = cl.iterator(); it.hasNext(); ) {
RecordMetaData rmd = (RecordMetaData) it.next();
if (rmd.getSeqno() == idx) return rmd;
}
return null;
}
/**
* @param columnIdx
* @return String
* @roseuid 3E5D88F000F9
*/
public String getString(int columnIdx) {
if (columnIdx < 0 || columnIdx > fieldCount || currentNo < 0 || currentNo > recordCount)
return null;
String name = (String) fieldNames.get(columnIdx);
RecordMetaData rmd = (RecordMetaData) metadata.get(name);
Record record = (Record) records.get(currentNo);
Object value = record.get(columnIdx);
if (value == null) return "";
if ((rmd.getType() == MetaDataTypes.CALENDAR_TP)
|| (rmd.getType() == MetaDataTypes.TIMESTAMP_TP)) {
String[] DateStr = value.toString().trim().split("\\.");
return DateStr[0];
}
return value.toString().trim();
}
/**
* 只有String和Boolean类型进行转换，其他类型均返回false
*
* @param columnIdx
* @return boolean
* @roseuid 3E5D883200BA
*/
public boolean getBoolean(int columnIdx) {
if (columnIdx < 0 || columnIdx > fieldCount || currentNo < 0 || currentNo > recordCount)
return false;
String name = (String) fieldNames.get(columnIdx);
RecordMetaData rmd = (RecordMetaData) metadata.get(name);
if (rmd.getType() == MetaDataTypes.STRING_TP) {
Record record = (Record) records.get(currentNo);
String value = (String) record.get(columnIdx);
if (value == null || value.equals("0")) return false;
return true;
}
if (rmd.getType() == MetaDataTypes.BOOLEAN_TP) {
Record record = (Record) records.get(currentNo);
Boolean value = (Boolean) record.get(columnIdx);
return value.booleanValue();
} else {
return false;
}
}
/**
* @param columnIdx
* @return double
* @roseuid 3E5D88C701AE
*/
public double getDouble(int columnIdx) {
if (columnIdx < 0 || columnIdx > fieldCount || currentNo < 0 || currentNo > recordCount)
return 0;
String name = (String) fieldNames.get(columnIdx);
RecordMetaData rmd = (RecordMetaData) metadata.get(name);
Record record = (Record) records.get(currentNo);
Object value = record.get(columnIdx);
if (value == null) return 0;
switch (rmd.getType()) {
case MetaDataTypes.BIGDECIMAL_TP:
return ((BigDecimal) value).doubleValue();
case MetaDataTypes.BIGINTEGER_TP:
return ((BigInteger) value).doubleValue();
case MetaDataTypes.BOOLEAN_TP:
Boolean b = (Boolean) value;
if (b.booleanValue()) return 1;
else return 0;
case MetaDataTypes.DOUBLE_TP:
return ((Double) value).doubleValue();
case MetaDataTypes.FLOAT_TP:
return ((Float) value).doubleValue();
case MetaDataTypes.INTEGER_TP:
return ((Integer) value).doubleValue();
case MetaDataTypes.LONG_TP:
return ((Long) value).doubleValue();
case MetaDataTypes.SHORT_TP:
return ((Short) value).doubleValue();
case MetaDataTypes.STRING_TP:
try {
return Double.parseDouble((String) value);
} catch (Exception e) {
return 0;
}
default:
return 0;
} // switch
}
/**
* @param columnIdx
* @return java.util.Calendar
* @roseuid 3E5D8903036D
*/
public java.util.Date getCalendar(int columnIdx) {
if (columnIdx < 0 || columnIdx > fieldCount || currentNo < 0 || currentNo > recordCount)
return null;
String name = (String) fieldNames.get(columnIdx);
RecordMetaData rmd = (RecordMetaData) metadata.get(name);
Record record = (Record) records.get(currentNo);
Object value = record.get(columnIdx);
if (value == null) {
return null;
} else {
}
if ((rmd.getType() == MetaDataTypes.CALENDAR_TP)
|| (rmd.getType() == MetaDataTypes.TIMESTAMP_TP)) {
java.util.Date d = (java.util.Date) value;
// Calendar c=Calendar.getInstance();
// c.set(1900+d.getYear(),d.getMonth(),d.getDate());
return d;
} else {
return null;
}
}
/** performs a deep copy of all the attributes of the field */
public FieldMetaData deepCopy() {
FieldMetaData fieldCopy = new ElementaryFieldMetaData(new String(myName), myRecord.getName());
fieldCopy.setIsFieldRedefine(isRedefine);
fieldCopy.setDecimalPosition(decimalPosition);
fieldCopy.setArraySize(myArraySize);
fieldCopy.setSize(mySize);
fieldCopy.setOffset(myOffset);
fieldCopy.setType(myType);
if (isFieldRedefine()) {
fieldCopy.setFieldRedefined(myFieldRedefined.deepCopy());
}
fieldCopy.setDependentFieldName(new String(myDependentFieldName));
fieldCopy.setIsSigned(isSigned);
return fieldCopy;
}
private void init(ResultSet rs, int resultNo) {
if (rs == null) return;
try {
ResultSetMetaData rsmd = rs.getMetaData();
int count = rsmd.getColumnCount();
for (int i = 1; i <= count; i++) {
String name = rsmd.getColumnName(i);
if (name != null) name = name.toLowerCase();
String typeName = rsmd.getColumnClassName(i);
String caption = rsmd.getColumnLabel(i);
RecordMetaData rmd = new RecordMetaData(name, typeName, caption, i);
metadata.put(name, rmd);
fieldNames.add(name);
}
fieldCount = count;
while (rs.next()) {
ArrayList record = new ArrayList();
for (int i = 1; i <= count; i++) {
String name = (String) fieldNames.get(i - 1);
RecordMetaData rmd = (RecordMetaData) metadata.get(name);
// System.out.println(rmd.getType());
switch (rmd.getType()) {
case MetaDataTypes.BIGDECIMAL_TP:
case MetaDataTypes.BIGINTEGER_TP:
record.add(rs.getBigDecimal(i));
break;
case MetaDataTypes.BOOLEAN_TP:
record.add(new Boolean(rs.getBoolean(i)));
break;
case MetaDataTypes.BYTE_TP:
record.add(new Byte(rs.getByte(i)));
break;
case MetaDataTypes.CALENDAR_TP:
java.sql.Date d = rs.getDate(i);
// Calendar calendar = GregorianCalendar.getInstance();
// System.out.println("aaaaaaaa"+d);
// calendar.set(d.getYear()+1900,d.getMonth(),d.getDay());
record.add(d);
break;
case MetaDataTypes.CHARACTER_TP:
break;
case MetaDataTypes.DOUBLE_TP:
record.add(new Double(rs.getDouble(i)));
break;
case MetaDataTypes.FLOAT_TP:
record.add(new Float(rs.getFloat(i)));
break;
case MetaDataTypes.INTEGER_TP:
record.add(new Integer(rs.getInt(i)));
break;
case MetaDataTypes.LONG_TP:
record.add(new Long(rs.getLong(i)));
break;
case MetaDataTypes.SHORT_TP:
record.add(new Short(rs.getShort(i)));
break;
case MetaDataTypes.STRING_TP:
record.add(DBUtil.fromDB(rs.getString(i)));
break;
default:
InputStream is = rs.getBinaryStream(i);
record.add(is);
} // switch
} // for
records.add(new Record(record));
recordCount++;
if (recordCount == resultNo) {
break;
}
} // while
} catch (SQLException sqle) {
sqle.printStackTrace();
}
}
/**
* 返回制定栏位的序号
*
* @param name
* @return int
* @roseuid 3E5D8A2B00D4
*/
public int findColumn(String name) {
RecordMetaData rmd = (RecordMetaData) metadata.get(name);
return rmd.getSeqno();
}