KERNEL-9928 重构水印加载

1.改成常量

designer-base/src/main/java/com/fr/design/report/WatermarkSettingPane.java

@@ -1,5 +1,6 @@
 package com.fr.design.report;
 
+import com.fr.base.iofile.attr.WaterMarkProvideConstant;
 import com.fr.base.iofile.attr.WatermarkAttr;
 import com.fr.design.dialog.AbstractTemplateServerSettingPane;
 import com.fr.report.core.ReportUtils;
@@ -42,7 +43,7 @@ public class WatermarkSettingPane extends AbstractTemplateServerSettingPane {
     }
 
     public void populate(WatermarkAttr watermark) {
-        if (watermark.getWaterMarkProvider().equals("TEMPLATE")) {
+        if (watermark.getWaterMarkProvider().equals(WaterMarkProvideConstant.TEMPLATE)) {
             chooseComboBox.setSelectedIndex(SINGLE_SET);
             watermarkPane.populate(watermark);
         } else {