public boolean validateParameters(
List<ReportParameterMap> reportParameters, Map<String, Object> parameters)
throws ProviderException {
parameters = new SingleValueMap(parameters);
if (reportParameters != null && reportParameters.size() > 0) {
Iterator<ReportParameterMap> iterator = reportParameters.iterator();
while (iterator.hasNext()) {
ReportParameterMap rpMap = iterator.next();
ReportParameter param = rpMap.getReportParameter();
if (!parameters.containsKey(param.getName()) && rpMap.isRequired()) {
throw new ProviderException(LocalStrings.ERROR_PARAMETER_REQUIRED);
}
if (param.getType().equals(ReportParameter.TEXT_PARAM)
|| param.getType().equals(ReportParameter.DATE_PARAM)) {
String value = (String) parameters.get(param.getName());
if (value != null && value.length() > 0) {
try {
validateParameter(param, value);
} catch (Exception e) {
throw new ProviderException(e.getMessage());
}
} else if (rpMap.isRequired()) {
throw new ProviderException(LocalStrings.ERROR_PARAMETER_REQUIRED);
}
}
}
}
return true;
}
private String buildMultipleSelectString(ReportParameter reportParameter, Object[] values) {
StringBuffer sb = new StringBuffer();
if (values == null || values.length < 1 || values[0].equals("")) return "";
for (int j = 0; j < values.length; j++) {
String value = "";
if (values[j] instanceof ReportParameterValue) {
value = ((ReportParameterValue) values[j]).getId().toString();
} else {
value = (String) values[j];
}
if (j > 0) {
sb.append(',');
}
if (reportParameter.getClassName().equals("java.lang.String")) {
sb.append("'" + value + "'");
} else {
sb.append(value);
}
}
return sb.toString();
}
public List<ReportParameter> getAvailableParameters(Report report) throws ProviderException {
List<ReportParameter> parameters = getReportParameters();
Iterator<ReportParameter> iterator = parameters.iterator();
while (iterator.hasNext()) {
ReportParameter rp = iterator.next();
Iterator<ReportParameterMap> reportIterator = report.getParameters().iterator();
while (reportIterator.hasNext()) {
ReportParameterMap rpMap = reportIterator.next();
if (rp.getId().equals(rpMap.getReportParameter().getId())) {
parameters.remove(rp);
iterator = parameters.iterator();
}
}
}
return parameters;
}
public ReportParameterValue[] getParamValues(
ReportParameter reportParameter, Map<String, Object> parameters) throws ProviderException {
if (reportParameter.getType().equals(ReportParameter.QUERY_PARAM)) {
return getParamValuesFromDataSource(reportParameter, parameters);
} else if (reportParameter.getType().equals(ReportParameter.LIST_PARAM)) {
return parseListValues(reportParameter);
} else if (reportParameter.getType().equals(ReportParameter.BOOLEAN_PARAM)) {
// default to Yes/No
if (reportParameter.getData() == null || reportParameter.getData().indexOf("|") == -1) {
reportParameter.setData("true:Yes|false:No");
}
return parseListValues(reportParameter);
}
throw new ProviderException(
reportParameter.getName()
+ ": param-type "
+ reportParameter.getType()
+ " not supported!");
}
protected ReportParameterValue[] parseListValues(ReportParameter reportParameter)
throws ProviderException {
StringTokenizer st = new StringTokenizer(reportParameter.getData(), "|");
ReportParameterValue[] values = new ReportParameterValue[st.countTokens()];
int index = 0;
while (st.hasMoreTokens()) {
String token = st.nextToken();
String id = token;
String description = token;
StringTokenizer paramValue = new StringTokenizer(token, ":");
if (paramValue.countTokens() == 2) {
id = paramValue.nextToken();
description = paramValue.nextToken();
}
try {
if (reportParameter.getClassName().equals("java.lang.Integer")) {
values[index] = new ReportParameterValue(Integer.valueOf(id), description);
} else if (reportParameter.getClassName().equals("java.lang.Double")) {
values[index] = new ReportParameterValue(Double.valueOf(id), description);
} else if (reportParameter.getClassName().equals("java.lang.Long")) {
values[index] = new ReportParameterValue(Long.valueOf(id), description);
} else if (reportParameter.getClassName().equals("java.math.BigDecimal")) {
values[index] = new ReportParameterValue(new BigDecimal(id), description);
} else {
values[index] = new ReportParameterValue(id, description);
}
} catch (Exception e) {
throw new ProviderException(
reportParameter.getData() + " contains invalid " + reportParameter.getClassName());
}
index++;
}
return values;
}
public void loadReportParameterValues(
List<ReportParameterMap> reportParameters, Map<String, Object> parameters)
throws ProviderException {
for (int i = 0; i < reportParameters.size(); i++) {
ReportParameterMap rpMap = reportParameters.get(i);
ReportParameter rp = rpMap.getReportParameter();
try {
if (rp.getType().equals(ReportParameter.LIST_PARAM)
|| rp.getType().equals(ReportParameter.QUERY_PARAM)
|| rp.getType().equals(ReportParameter.BOOLEAN_PARAM)) {
if (rp.getValues() == null) // only load once...
{
log.debug("loading parameter values: " + rp.getName());
rp.setValues(getParamValues(rp, parameters));
}
}
} catch (Exception e) {
log.error("Error loading parameter values: " + rp.getName());
throw new ProviderException("loadReportParameterValues: " + e.getMessage());
}
}
}
protected void validateParameter(ReportParameter parameter, String value)
throws ProviderException {
try {
if (parameter.getClassName().equals("java.lang.Double")) {
new Double(value);
} else if (parameter.getClassName().equals("java.lang.Integer")) {
new Integer(value);
} else if (parameter.getClassName().equals("java.lang.Long")) {
new Long(value);
} else if (parameter.getClassName().equals("java.math.BigDecimal")) {
new BigDecimal(value);
} else if (parameter.getClassName().equals("java.util.Date")
|| parameter.getClassName().equals("java.sql.Date")
|| parameter.getClassName().equals("java.sql.Timestamp")) {
try {
dateProvider.parseDate(value);
} catch (Exception e) {
throw new ProviderException(e.getMessage());
}
}
} catch (Exception e) {
throw new ProviderException(parameter.getDescription() + " Invalid: " + e.getMessage());
}
}
public Map<String, Object> getReportParametersMap(
List<ReportParameterMap> reportParameters, Map<String, Object> origParameters)
throws ProviderException {
Map<String, Object> map = new HashMap<String, Object>();
// if multiple selections, use origParameters; otherwise, use
// parameters
Map<String, Object> parameters = new SingleValueMap(origParameters);
Iterator<ReportParameterMap> iterator = reportParameters.iterator();
while (iterator.hasNext()) {
ReportParameterMap rpMap = iterator.next();
ReportParameter reportParameter = rpMap.getReportParameter();
// if we are expecting multiple selections, convert the array of
// parameters
// into a comma-delimited string so that it can be used in the SQL
// where
// clause. Otherwise, just expect a simple String
if (reportParameter.isMultipleSelect()) {
Object[] values = (String[]) origParameters.get(reportParameter.getName());
// load up the StringBuffer with the multiple selections.
String s = buildMultipleSelectString(reportParameter, values);
// save the parameter into the Map
if (rpMap.isRequired() || s.length() > 0) {
map.put(reportParameter.getName(), s);
log.debug(reportParameter.getName() + " => " + map.get(reportParameter.getName()));
}
} else {
String value = (String) parameters.get(reportParameter.getName());
if (value != null) {
try {
Object object = parseParameter(reportParameter, value);
if (rpMap.isRequired() || value.length() > 0) {
map.put(reportParameter.getName(), object);
}
} catch (Exception e) {
log.warn(
"Error setting parameter: " + reportParameter.getName() + " : " + e.getMessage());
}
}
}
}
// always pass drilldown chart parameter to reports if it exists
String value = (String) parameters.get(ReportChart.DRILLDOWN_PARAMETER);
if (value != null)
map.put(ReportChart.DRILLDOWN_PARAMETER, parameters.get(ReportChart.DRILLDOWN_PARAMETER));
//
return map;
}
protected Object parseParameter(ReportParameter parameter, String value)
throws ProviderException {
try {
if (parameter.getClassName().equals("java.lang.String")) {
return value;
} else if (parameter.getClassName().equals("java.lang.Double")) {
return new Double(value);
} else if (parameter.getClassName().equals("java.lang.Integer")) {
return new Integer(value);
} else if (parameter.getClassName().equals("java.lang.Long")) {
return new Long(value);
} else if (parameter.getClassName().equals("java.math.BigDecimal")) {
return new BigDecimal(value);
} else if (parameter.getClassName().equals("java.util.Date")) {
return dateProvider.parseDate(value);
} else if (parameter.getClassName().equals("java.sql.Date")) {
return dateProvider.parseDate(value);
} else if (parameter.getClassName().equals("java.sql.Timestamp")) {
long time = dateProvider.parseDate(value).getTime();
return new Timestamp(time);
} else if (parameter.getClassName().equals("java.lang.Boolean")) {
return new Boolean(value);
}
} catch (Exception e) {
throw new ProviderException(parameter.getName() + " Invalid: " + e.getMessage());
}
throw new ProviderException(parameter.getName() + " currently unsupported!");
}
protected ReportParameterValue[] getParamValuesFromDataSource(
ReportParameter param, Map<String, Object> parameters) throws ProviderException {
Connection conn = null;
PreparedStatement pStmt = null;
ResultSet rs = null;
try {
ReportDataSource dataSource = param.getDataSource();
conn = dataSourceProvider.getConnection(dataSource.getId());
if (parameters == null || parameters.isEmpty()) {
pStmt = conn.prepareStatement(param.getData());
} else {
}
rs = pStmt.executeQuery();
ResultSetMetaData rsMetaData = rs.getMetaData();
boolean multipleColumns = false;
if (rsMetaData.getColumnCount() > 1) multipleColumns = true;
ArrayList<ReportParameterValue> v = new ArrayList<ReportParameterValue>();
while (rs.next()) {
ReportParameterValue value = new ReportParameterValue();
if (param.getClassName().equals("java.lang.String")) {
value.setId(rs.getString(1));
} else if (param.getClassName().equals("java.lang.Double")) {
value.setId(new Double(rs.getDouble(1)));
} else if (param.getClassName().equals("java.lang.Integer")) {
value.setId(new Integer(rs.getInt(1)));
} else if (param.getClassName().equals("java.lang.Long")) {
value.setId(new Long(rs.getLong(1)));
} else if (param.getClassName().equals("java.math.BigDecimal")) {
value.setId(rs.getBigDecimal(1));
} else if (param.getClassName().equals("java.util.Date")) {
value.setId(rs.getDate(1));
} else if (param.getClassName().equals("java.sql.Date")) {
value.setId(rs.getDate(1));
} else if (param.getClassName().equals("java.sql.Timestamp")) {
value.setId(rs.getTimestamp(1));
}
if (multipleColumns) {
value.setDescription(rs.getString(2));
}
v.add(value);
}
rs.close();
ReportParameterValue[] values = new ReportParameterValue[v.size()];
v.toArray(values);
return values;
} catch (Exception e) {
throw new ProviderException("Error retreiving param values from database: " + e.getMessage());
} finally {
try {
if (pStmt != null) pStmt.close();
if (conn != null) conn.close();
} catch (Exception c) {
log.error("Error closing");
}
}
}