From: Roland Häder <roland@mxchange.org>
Date: Sun, 19 Apr 2020 04:01:27 +0000 (+0200)
Subject: Continued:
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=c360e0b97a40899c869fe00c596ea25b4db8e909;p=jfinancials-core.git

Continued:
- always validate parameter of public/package/protected methods and constructors
- renamed i18nKey to messageKey

Signed-off-by: Roland Häder <roland@mxchange.org>
---

diff --git a/src/org/mxchange/jfinancials/model/income/interval/FinancialInterval.java b/src/org/mxchange/jfinancials/model/income/interval/FinancialInterval.java
index 3a40035..8ea6b18 100644
--- a/src/org/mxchange/jfinancials/model/income/interval/FinancialInterval.java
+++ b/src/org/mxchange/jfinancials/model/income/interval/FinancialInterval.java
@@ -58,10 +58,25 @@ public enum FinancialInterval implements Serializable {
 	/**
 	 * Constructor with i18n translation key and CSS style class
 	 * <p>
-	 * @param messageKey  Message key (i18n)
+	 * @param messageKey Message key (i18n)
 	 * @param styleClass CSS style class
 	 */
 	private FinancialInterval (final String messageKey, final String styleClass) {
+		// Validate parameter
+		if (null == messageKey) {
+			// Throw NPE
+			throw new NullPointerException("messageKey is null"); //NOI18N
+		} else if (messageKey.isEmpty()) {
+			// Throw IAE
+			throw new IllegalArgumentException("messageKey is empty"); //NOI18N
+		} else if (null == styleClass) {
+			// Throw NPE
+			throw new NullPointerException("styleClass is null"); //NOI18N
+		} else if (styleClass.isEmpty()) {
+			// Throw IAE
+			throw new IllegalArgumentException("styleClass is empty"); //NOI18N
+		}
+
 		// Set it here
 		this.messageKey = messageKey;
 		this.styleClass = styleClass;