public ImportClient(String username, String password, int itemsPerBatch, String spreadsheetName)
throws Exception {
ITEMS_PER_BATCH = itemsPerBatch;
factory = FeedURLFactory.getDefault();
service = new SpreadsheetService("Props-2-Xls");
service.setUserCredentials(username, password);
service.setProtocolVersion(
SpreadsheetService.Versions
.V1); // bug workaround! http://code.google.com/p/gdata-java-client/issues/detail?id=103
spreadsheet = getSpreadsheet(spreadsheetName);
backingEntry = spreadsheet.getDefaultWorksheet();
CellQuery cellQuery = new CellQuery(backingEntry.getCellFeedUrl());
cellQuery.setReturnEmpty(true);
CellFeed cellFeed = service.getFeed(cellQuery, CellFeed.class);
}
/**
* Gets the SpreadsheetEntry for the first spreadsheet with that name retrieved in the feed.
*
* @param spreadsheet the name of the spreadsheet
* @return the first SpreadsheetEntry in the returned feed, so latest spreadsheet with the
* specified name
* @throws Exception if error is encountered, such as no spreadsheets with the name
*/
public SpreadsheetEntry getSpreadsheet(String spreadsheet) throws Exception {
SpreadsheetQuery spreadsheetQuery = new SpreadsheetQuery(factory.getSpreadsheetsFeedUrl());
spreadsheetQuery.setTitleQuery(spreadsheet);
SpreadsheetFeed spreadsheetFeed = service.query(spreadsheetQuery, SpreadsheetFeed.class);
List<SpreadsheetEntry> spreadsheets = spreadsheetFeed.getEntries();
if (spreadsheets.isEmpty()) {
throw new Exception("No spreadsheets with that name");
}
return spreadsheets.get(0);
}
/**
* Get the WorksheetEntry for the worksheet in the spreadsheet with the specified name.
*
* @param spreadsheetName the name of the spreadsheet
* @param worksheetName the name of the worksheet in the spreadsheet
* @return worksheet with the specified name in the spreadsheet with the specified name
* @throws Exception if error is encountered, such as no spreadsheets with the name, or no
* worksheet wiht the name in the spreadsheet
*/
public Worksheet getWorksheet(String spreadsheetName, String worksheetName) throws Exception {
SpreadsheetEntry spreadsheetEntry = getSpreadsheet(spreadsheetName);
WorksheetQuery worksheetQuery = new WorksheetQuery(spreadsheetEntry.getWorksheetFeedUrl());
worksheetQuery.setTitleQuery(worksheetName);
WorksheetFeed worksheetFeed = service.query(worksheetQuery, WorksheetFeed.class);
List<WorksheetEntry> worksheets = worksheetFeed.getEntries();
if (worksheets.isEmpty()) {
throw new Exception(
"No worksheets with that name in spreadhsheet "
+ spreadsheetEntry.getTitle().getPlainText());
}
return new Worksheet(worksheets.get(0), service);
}
/** Presents the given cell feed as a map from row, column pair to CellEntry. */
private void refreshCachedData() throws IOException, ServiceException {
CellQuery cellQuery = new CellQuery(backingEntry.getCellFeedUrl());
cellQuery.setReturnEmpty(true);
this.cellFeed = spreadsheetService.getFeed(cellQuery, CellFeed.class);
// A subtlety: Spreadsheets row,col numbers are 1-based whereas the
// cellEntries array is 0-based. Rather than wasting an extra row and
// column worth of cells in memory, we adjust accesses by subtracting
// 1 from each row or column number.
cellEntries = new CellEntry[rows][columns];
for (CellEntry cellEntry : cellFeed.getEntries()) {
Cell cell = cellEntry.getCell();
cellEntries[cell.getRow() - 1][cell.getCol() - 1] = cellEntry;
}
}
