Examples with BasicColumnProvider org.openforis.collect.io.data.csv.BasicColumnProvider used on opensource projects

Example 1 with BasicColumnProvider

use of org.openforis.collect.io.data.csv.BasicColumnProvider in project collect by openforis.

the class DataCSVReader method calculateIgnoredColumns.

private List<String> calculateIgnoredColumns() {
    final CSVDataExportParameters csvExportConfig = new CSVDataExportParameters();
    csvExportConfig.setIncludeCodeItemLabelColumn(true);
    csvExportConfig.setIncludeEnumeratedEntities(false);
    CollectSurvey survey = (CollectSurvey) parentEntityDefinition.getSurvey();
    ColumnProviderChain columnProvider = new CSVDataExportColumnProviderGenerator(survey, csvExportConfig).generateColumnProviderChain(parentEntityDefinition);
    List<String> result = new ArrayList<String>();
    List<String> colNames = getColumnNames();
    for (final String colName : colNames) {
        final MutableBoolean ignored = new MutableBoolean(false);
        columnProvider.traverseProviders(new Visitor<ColumnProvider>() {

            public void visit(ColumnProvider p) {
                if (!(p instanceof ColumnProviderChain) && p instanceof BasicColumnProvider) {
                    List<String> finalColumnHeadings = ((BasicColumnProvider) p).generateFinalColumnHeadings();
                    if (finalColumnHeadings.contains(colName)) {
                        if (p instanceof CodeColumnProvider && colName.endsWith(csvExportConfig.getFieldHeadingSeparator() + CodeColumnProvider.ITEM_LABEL_SUFFIX)) {
                            ignored.setTrue();
                        }
                    }
                }
            }
        });
        if (ignored.booleanValue()) {
            result.add(colName);
        }
    }
    return result;
}