public ComplexValue(SqlRowSet rowSet, boolean isNullValues) {
rowValues = new HashMap<String, Object>(rowSet.getMetaData().getColumnCount());
int index = 1;
for (String columnName : rowSet.getMetaData().getColumnNames()) {
rowValues.put(columnName.toLowerCase(), isNullValues ? null : rowSet.getObject(index++));
}
}
/*
* Convert result set into a collection of entities.
*/
private CollectionResource<Entity> buildCollectionResource(String entityType, SqlRowSet rowSet) {
List<EntityResource<Entity>> results = new ArrayList<EntityResource<Entity>>();
// Extract the returned column names. May be a subset of the ones
// requested.
String[] columnNames = rowSet.getMetaData().getColumnNames();
// For all rows returned add an entity to the collection.
while (rowSet.next()) {
EntityProperties properties = new EntityProperties();
// For all columns in this row.
for (String columnName : columnNames) {
Object value = rowSet.getObject(columnName);
// Only return non null values
if (null != value) {
// Add object to the property. getObject() returns an object
// with the correct java type for each sql type. So we don't
// need to cast.
properties.setProperty(new EntityProperty(columnName, value));
}
}
// Create entity.
// Note: Despite the variable name the first arg of both these is
// the entity type name. Not it's key.
Entity entity = new Entity(entityType, properties);
results.add(new EntityResource<Entity>(entity.getName(), entity));
}
// Note: This line looks a bit odd but the {} at the end is required.
return new CollectionResource<Entity>(results) {};
}
/** Writes all rows in the SqlRowSet to the given Grid. */
public static void addRows(Grid grid, SqlRowSet rs) {
int cols = rs.getMetaData().getColumnCount();
while (rs.next()) {
grid.addRow();
for (int i = 1; i <= cols; i++) {
grid.addValue(rs.getObject(i));
}
}
}
private String transResultsetToString(SqlRowSet sqlRowSet) throws SQLException {
SqlRowSetMetaData sqlRowSetMetaData = sqlRowSet.getMetaData();
int colCount = sqlRowSetMetaData.getColumnCount();
StringBuffer sb = new StringBuffer();
while (sqlRowSet.next()) {
for (int i = 1; i <= colCount; i++) {
int type = sqlRowSetMetaData.getColumnType(i);
sb.append(getValue(sqlRowSet, i, type));
if (i < colCount) {
sb.append(";");
}
}
sb.append("\n");
}
return sb.toString();
}
/*
* Convert result to a single entry.
*/
EntityResource<Entity> createEntityResource(String entityType, SqlRowSet rowSet)
throws JdbcException {
// Extract the returned column names. May be a subset of the ones
// requested.
String[] columnNames = rowSet.getMetaData().getColumnNames();
// Set cursor to first row
if (!rowSet.next()) {
throw (new JdbcException(
Status.NOT_FOUND, "Row not found. Entry with given key possibly not present."));
}
// Build up properties for this row
EntityProperties properties = new EntityProperties();
// For all columns in this row.
for (String columnName : columnNames) {
Object value = rowSet.getObject(columnName);
// Only return non null values
if (null != value) {
// Add object to the property. getObject() returns an object
// with the correct java type for each sql type. So we don't
// need to cast.
properties.setProperty(new EntityProperty(columnName, value));
}
}
// Make an entity
Entity entity = new Entity(entityType, properties);
// Make an entity resource
EntityResource<Entity> entityResource = new EntityResource<Entity>(entityType, entity);
// Check for additional rows. Not expected for a 'single'
// command.
if (rowSet.next()) {
throw (new JdbcException(
Status.INTERNAL_SERVER_ERROR, "Multiple rows returned for a single entity"));
}
return entityResource;
}
/**
* this function will return a jsonstring given a resultset in a format that is required for
* WTF.Grid just use this inside the ur jsp file and set the url for the grid datastore as that
* jsp file
*/
public JSONObject GetJsonForGrid(SqlRowSet rs) {
JSONObject jb = null;
try {
SqlRowSetMetaData rsmd = rs.getMetaData();
JSONArray jArr = new JSONArray();
while (rs.next()) {
JSONObject jobj = new JSONObject();
for (int i = 1; i <= rsmd.getColumnCount(); i++) {
if (rs.getObject(i) != null) jobj.put(rsmd.getColumnName(i), rs.getObject(i));
else jobj.put(rsmd.getColumnName(i), "");
}
jArr.put(jobj);
}
if (jArr.length() > 0) jb = new JSONObject().put("data", jArr);
} catch (Exception ex) {
System.out.println("exception -->" + ex);
}
return jb;
}
private List<ResultsetRowData> fillDatatableResultSetDataRows(final String sql) {
final SqlRowSet rs = this.jdbcTemplate.queryForRowSet(sql);
final List<ResultsetRowData> resultsetDataRows = new ArrayList<ResultsetRowData>();
final SqlRowSetMetaData rsmd = rs.getMetaData();
while (rs.next()) {
final List<String> columnValues = new ArrayList<String>();
for (int i = 0; i < rsmd.getColumnCount(); i++) {
final String columnName = rsmd.getColumnName(i + 1);
final String columnValue = rs.getString(columnName);
columnValues.add(columnValue);
}
final ResultsetRowData resultsetDataRow = ResultsetRowData.create(columnValues);
resultsetDataRows.add(resultsetDataRow);
}
return resultsetDataRows;
}