Example usage for org.apache.commons.validator.routines IntegerValidator validate

Introduction

In this page you can find the example usage for org.apache.commons.validator.routines IntegerValidator validate.

Prototype

public Integer validate(String value) 

Source Link

Document

Validate/convert an Integer using the default Locale.

Usage

From source file:au.edu.anu.portal.portlets.rss.validator.SimpleRSSPreferencesValidator.java

@Override
public void validate(PortletPreferences prefs) throws ValidatorException {

    //get prefs as strings
    String max_items = prefs.getValue("max_items", Integer.toString(Constants.MAX_ITEMS));
    String feed_url = prefs.getValue(PREF_FEED_URL, null);

    //check readonly
    boolean feedUrlIsLocked = prefs.isReadOnly(PREF_FEED_URL);

    /**//  w  ww  . j a v  a2  s . c om
     * max_items
     */
    IntegerValidator integerValidator = IntegerValidator.getInstance();
    Integer maxItems = integerValidator.validate(max_items);

    //check it's a number
    if (maxItems == null) {
        throw new ValidatorException("Invalid value, must be a number", Collections.singleton("max_items"));
    }

    //check greater than or equal to a minimum of 1
    if (!integerValidator.minValue(maxItems, Constants.MIN_ITEMS)) {
        throw new ValidatorException("Invalid number, must be greater than 0",
                Collections.singleton("max_items"));
    }

    /**
     * feed_url
     */
    //only validate if it's not readonly
    if (!feedUrlIsLocked) {
        String[] schemes = { "http", "https" };
        DetailedUrlValidator urlValidator = new DetailedUrlValidator(schemes);

        //check not null
        if (StringUtils.isBlank(feed_url)) {
            throw new ValidatorException("You must specify a URL for the RSS feed",
                    Collections.singleton(PREF_FEED_URL));
        }

        //check valid scheme
        if (!urlValidator.isValidScheme(feed_url)) {
            throw new ValidatorException("Invalid feed scheme. Must be one of: " + Arrays.toString(schemes),
                    Collections.singleton(PREF_FEED_URL));
        }

        //check valid URL
        if (!urlValidator.isValid(feed_url)) {
            throw new ValidatorException("Invalid feed URL", Collections.singleton(PREF_FEED_URL));

        }
    }

    /**
     * portlet_title not validated here as it is reasonable to allow blank entry. We deal with this later
     */

}

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From source file:com.btobits.automator.ant.sql.task.SQLCompareTask.java

private int getColumnType(final SQLCompareTask.VerifyCell inRowPos) throws Exception {
    final IntegerValidator validator = new IntegerValidator();
    if (validator.isValid(inRowPos.getField())) {
        Integer id = validator.validate(inRowPos.getField());
        return resultSet.getMetaData().getColumnType(id);
    } else {/*from  www.  ja va 2  s  .  c  om*/
        for (int i = 0; i < resultSet.getMetaData().getColumnCount(); i++) {
            final String nameColumn = resultSet.getMetaData().getColumnName(i + 1);
            if (StringUtils.equalsIgnoreCase(nameColumn, inRowPos.getField())) {
                return resultSet.getMetaData().getColumnType(i + 1);
            }
        }
    }
    throw new Exception("Unknown field name [" + inRowPos.getField() + "].");
}

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