/**
* 1. get fileComponent from action
*
* <p>2. validate fileName to see if filePrefix is allowed
*
* <p>3. validate file format with the import file template
*
* <p>4.
*
* @see
* com.pc.core.web.interceptor.AroundInterceptor#before(com.opensymphony.xwork2.ActionInvocation)
*/
public void before(ActionInvocation invocation) throws Exception {
Action action = (Action) invocation.getAction();
HttpServletRequest request =
(HttpServletRequest)
invocation.getInvocationContext().get(ServletActionContext.HTTP_REQUEST);
if (action instanceof ImportPreparation && request instanceof MultiPartRequestWrapper) {
ServletContext servletContext = ServletActionContext.getServletContext();
ActionContext invocationContext = invocation.getInvocationContext();
ImportPreparation importPreparation = (ImportPreparation) action;
// 1. get fileComponent from valueStack
FileComponent fileComponent =
(FileComponent) invocation.getStack().findValue("fileComponent");
if (fileComponent == null || fileComponent.getUpload() == null)
throw new ImportException(
"error.upload.file.empty", "r:" + importPreparation.getErrorReturn() + "/import/error");
// 2. validate fileName
String fileExt = fileComponent.getFileExtension();
if (!Arrays.asList(this.allowedPrefix).contains(fileExt)) {
throw new ImportException(
"error.upload.file-ext.not-allowed",
"r:" + importPreparation.getErrorReturn() + "/import/error");
}
// Create CsvReader to parse the file
CsvReader csvReader = new CsvReader(new FileReader(fileComponent.getUpload()));
try {
// get file header information from cache
String header =
(String)
servletContext.getAttribute(
importPreparation.getTarget().toUpperCase() + "_HEADERS");
String[] headerKeys = header.split(",");
// 3. validate file format
if (csvReader.readHeaders()) {
if (headerKeys.length != csvReader.getHeaderCount()) {
throw new ImportException(
"error.upload.file-format.mismatch",
"r:" + importPreparation.getErrorReturn() + "/import/error");
}
}
// Read data from CsvReader
List<Map<String, String>> data = new ArrayList<Map<String, String>>();
while (csvReader.readRecord()) {
Map<String, String> record = new LinkedHashMap<String, String>();
for (int i = 0; i < headerKeys.length; i++) {
record.put(headerKeys[i], csvReader.get(i));
}
data.add(record);
}
// 4. validate data
importPreparation.validate(data);
// 5. set data
OgnlContextState.setCreatingNullObjects(invocationContext.getContextMap(), true);
OgnlContextState.setDenyMethodExecution(invocationContext.getContextMap(), true);
OgnlContextState.setReportingConversionErrors(invocationContext.getContextMap(), true);
prepareImportData(invocation, importPreparation.getDataName(), data);
} finally {
// release all the resource anyway
csvReader.close();
OgnlContextState.setCreatingNullObjects(invocationContext.getContextMap(), true);
OgnlContextState.setDenyMethodExecution(invocationContext.getContextMap(), true);
OgnlContextState.setReportingConversionErrors(invocationContext.getContextMap(), true);
}
}
}
public PaymentStatistic processKZ(File csvFile, LoggingHandler lh) throws IOException {
CsvReader reader = null;
ArrayList<PaymentRecord> recordList = new ArrayList();
Double sum = 0.0;
PaymentStatistic statisticAll = new PaymentStatistic();
try {
reader = new CsvReader(csvFile.getCanonicalPath());
reader.setDelimiter(';');
reader.readHeaders();
// Headers ohne Spaces mittels trim
String[] headers = new String[reader.getHeaderCount()];
for (int i = 0; i < reader.getHeaderCount(); i++) {
headers[i] = reader.getHeader(i).trim();
}
reader.setHeaders(headers);
// http://www.csvreader.com/java_csv_samples.php
// http://javacsv.sourceforge.net/
PaymentRecord record = new PaymentRecord(reader);
recordList.add(record);
while (true) {
try {
PaymentRecord newRecord = new PaymentRecord(reader);
if (newRecord.getKontoNr() == record.getKontoNr()) {
// nicht verarbeiten, gleicher Kunde
recordList.add(newRecord);
sum = sum + newRecord.getBetragNr();
record = newRecord;
continue;
}
// unterschiedliche Kundennummer, alte Belege verarbeiten
if (sum == 0.0) {
PaymentStatistic statistic = processKZPaymentRecord(recordList, lh);
statisticAll.addStatistic(statistic);
}
// System.out.println("Kunde " + record.getKontoStr() + "OP: " + sum);
recordList = new ArrayList();
sum = 0.0;
recordList.add(newRecord);
sum = sum + newRecord.getBetragNr();
record = newRecord;
continue;
} catch (Throwable th) {
// kein neuer record mehr, Liste verarbeiten
if (sum == 0.0) {
PaymentStatistic statistic = processKZPaymentRecord(recordList, lh);
statisticAll.addStatistic(statistic);
}
}
break;
}
reader.close();
} catch (Throwable th) {
lh.getLogger(Globals.LOGGINGKZ).log(Level.SEVERE, null, th);
return statisticAll;
}
return statisticAll;
}