Update Icon.java

core/src/main/java/org/jenkins/ui/icon/Icon.java

@@ -62,6 +62,7 @@ public class Icon {
     private final String normalizedSelector;
     private final String url;
     private final String style;
+    private String xml;
     private IconType iconType;
     private IconFormat iconFormat;
 
@@ -135,6 +136,22 @@ public Icon(String classSpec, String url, String style, IconType iconType, IconF
         this.iconFormat = iconFormat;
     }
 
+    /**
+     * @param xml The XML of the SVG image you want to use
+     *            You can use icon sources such as Ionicon eg
+     *            'Icon.fromSvg(IconSet.getIonicon("terminal-outline", null))' to get SVG data
+     * @return an Icon object with the svg field set
+     */
+    public static Icon fromSvg(String xml) {
+        if (xml == null) {
+            return null;
+        }
+
+        Icon icon = new Icon("", "", "", IconFormat.EXTERNAL_SVG_SPRITE);
+        icon.xml = xml;
+        return icon;
+    }
+
     /**
      * Get the class specification for this Icon.
      * @return The class specification for this Icon.
@@ -211,6 +228,10 @@ public String getStyle() {
         return style;
     }
 
+    public String getXml() {
+        return xml;
+    }
+
     /**
      * Normalize the supplied string to an Icon name class e.g. "blue_anime" to "icon-blue-anime".
      *