Examples with CSVException com.serotonin.m2m2.web.mvc.rest.v1.csv.CSVException used on opensource projects

Example 1 with CSVException

use of com.serotonin.m2m2.web.mvc.rest.v1.csv.CSVException in project ma-core-public by infiniteautomation.

the class CSVPojoHandler method setField.

/**
 * Set the filed of in a pojo or child entity of it.
 *
 * @param pojo
 *            The object to set the value in
 * @param header
 *            The header of the field
 * @param text
 *            The String representation of the value to set
 */
public boolean setField(Object pojo, String header, String text) throws CSVException {
    if (text.length() > 0) {
        // If text is empty use default value in pojo which is set by the
        // user
        CSVDataHandler fieldHandler = mapping.get(header);
        // all columns
        if (fieldHandler != null) {
            PropertyEditor editor = fieldHandler.getEditor();
            if (editor instanceof CSVPropertyEditor)
                ((CSVPropertyEditor) editor).setContext(pojo);
            try {
                editor.setAsText(text);
            } catch (NumberFormatException e) {
                throw new CSVException("Invalid number: '" + text + "'");
            } catch (Exception e) {
                throw new CSVException("Invalid value: '" + e.getMessage() + "'");
            }
            Object value = editor.getValue();
            fieldHandler.setValue(pojo, value);
            return true;
        } else {
            // No mapping found in this pojo, check children
            for (PojoChild child : children) {
                CSVPojoHandler pojoHandler = child.getPojoHandler();
                if (pojoHandler.containsField(header)) {
                    Object obj = child.getValue(pojo);
                    if (obj == null) {
                        obj = pojoHandler.newInstance();
                    }
                    if (pojoHandler.setField(obj, header, text)) {
                        // Only set child field if we actually update the
                        // field in the object object
                        // If no fields are set in the child, the child
                        // should be the default value
                        child.setValue(pojo, obj);
                        return true;
                    }
                }
            }
        }
    } else {
        // No value set as it was empty
        return true;
    }
    return false;
}

Example 2 with CSVException

use of com.serotonin.m2m2.web.mvc.rest.v1.csv.CSVException in project ma-core-public by infiniteautomation.

the class CSVPojoReader method readNext.

/**
 * Read the next pojo from the csv file
 *
 * @return The next pojo from the csv file or null if end of file
 * @throws IOException
 */
public T readNext() throws IOException {
    if (headers == null) {
        headers = reader.readNext();
        if (headers == null)
            return null;
        // Make sure we don't have any accidental whitespaces
        for (int i = 0; i < headers.length; i++) {
            headers[i] = headers[i].trim();
        }
        if (headers.length > 0) {
            if (!headers[0].equalsIgnoreCase("modelType"))
                throw new IOException("Invalid header format, first column must be modelType.");
        } else {
            throw new IOException("No headers provided.");
        }
    }
    String[] line = reader.readNext();
    T pojo = null;
    if (line != null) {
        if (line.length != headers.length) {
            String columnString = new String();
            for (String col : line) columnString += col + ",";
            if (line.length > headers.length) {
                throw new IOException("Header and row length must match.\nRow has too many columns.\n" + columnString);
            } else {
                throw new IOException("Header and row length must match.\nRow has too few columns.\n" + columnString);
            }
        }
        if (!pojoHandler.isInitialized()) {
            // Always needs to be
            String typeName = line[0];
            // Find the model
            ModelDefinition definition = null;
            List<ModelDefinition> definitions = ModuleRegistry.getModelDefinitions();
            for (ModelDefinition d : definitions) {
                if (d.getModelTypeName().equalsIgnoreCase(typeName)) {
                    definition = d;
                    break;
                }
            }
            if (definition == null)
                throw new ModelNotFoundException(typeName);
            else
                pojoHandler.initialize(line, definition.createModel());
        }
        pojo = (T) pojoHandler.newInstance();
        for (int i = 1; i < headers.length; i++) {
            try {
                pojoHandler.setField(pojo, headers[i], line[i].trim());
            } catch (CSVException e) {
                throw new CSVException("Row " + i + " column '" + headers[i] + "' " + e.getMessage());
            }
        }
    }
    return pojo;
}