jodd-core/src/main/java/jodd/system/SystemUtil.java
public static long getInt(final String name, final int defaultValue) {
		String value = get(name);
		if (value == null) {
			return defaultValue;
		}

		value = value.trim().toLowerCase();
		try {
			return Integer.parseInt(value);
		}
		catch (NumberFormatException nfex) {
			return defaultValue;
		}
	}
public static long getInt(final String name, final int defaultValue) {
		String value = get(name);
		if (value == null) {
			return defaultValue;
		}

		value = value.trim().toLowerCase();
		try {
			return Integer.parseInt(value);
		}
		catch (NumberFormatException nfex) {
			return defaultValue;
		}
	}
Returns system property as an int.