added general FacesUtil

jeeutil/src/main/java/de/muehlencord/shared/jeeutil/FacesUtil.java

@@ -0,0 +1,38 @@
+package de.muehlencord.shared.jeeutil;
+
+import javax.faces.application.FacesMessage;
+import javax.faces.context.FacesContext;
+
+/**
+ *
+ * @author joern.muehlencord
+ */
+public abstract class FacesUtil {
+
+    private FacesUtil() {
+        // hide constructor of abstract class
+    }
+
+    public static void addInfoMessage(String summary) {
+        addInfoMessage(summary, "");
+    }
+
+    public static void addInfoMessage(String summary, String detail) {
+        FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, summary, detail);
+        FacesContext.getCurrentInstance().addMessage("messages", message);
+    }
+
+    public static void addErrorMessage(String summary) {
+        addErrorMessage(summary, "");
+    }
+
+    public static void addErrorMessage(String summary, String detail) {
+        FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR, summary, detail);
+        FacesContext.getCurrentInstance().addMessage(null, message);
+    }
+
+    public static void addWarningMessage(String summary, String detail) {
+        FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_WARN, summary, detail);
+        FacesContext.getCurrentInstance().addMessage(null, message);
+    }
+}