fix validation logic of AzureIntegerInput

Author: wangmingliang-ms

PluginsAndFeatures/azure-toolkit-for-intellij/azure-intellij-plugin-lib/src/main/java/com/microsoft/azure/toolkit/intellij/common/AzureIntegerInput.java

@@ -12,6 +12,7 @@
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
+import java.util.Objects;
 
 public class AzureIntegerInput extends BaseAzureTextInput<Integer> {
 
@@ -39,8 +40,12 @@ public void setValue(final Integer val) {
 
     @Nonnull
     public AzureValidationInfo doValidate(Integer value) {
-        if (value < minValue || value > maxValue) {
+        if (Objects.nonNull(minValue) && Objects.nonNull(maxValue) && (value < minValue || value > maxValue)) {
             return AzureValidationInfo.error(String.format("Value should be in range [%d, %d]", minValue, maxValue), this);
+        } else if (Objects.nonNull(minValue) && value < minValue) {
+            return AzureValidationInfo.error(String.format("Value should be >= %d", minValue), this);
+        } else if (Objects.nonNull(maxValue) && value > maxValue) {
+            return AzureValidationInfo.error(String.format("Value should be <= %d", maxValue), this);
         } else {
             return AzureValidationInfo.success(this);
         }

PluginsAndFeatures/azure-toolkit-for-intellij/azure-intellij-plugin-lib/src/main/java/com/microsoft/azure/toolkit/intellij/common/AzureTextInput.java

@@ -5,15 +5,15 @@
 
 package com.microsoft.azure.toolkit.intellij.common;
 
-import javax.annotation.Nullable;
+import javax.annotation.Nonnull;
 import javax.swing.*;
 
 public class AzureTextInput extends BaseAzureTextInput<String> {
     public AzureTextInput() {
-        this(null);
+        super();
     }
 
-    public AzureTextInput(@Nullable JTextField comp) {
+    public AzureTextInput(@Nonnull JTextField comp) {
         super(comp);
     }