Fix ClassCastException when uuid has default value (#13698)

* fix cast error for uuid default

* fix java uuid default value

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java

@@ -1050,7 +1050,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen implements Co
             }
         } else if (ModelUtils.isStringSchema(p)) {
             if (p.getDefault() != null) {
-                String _default = (String) p.getDefault();
+                String _default = String.valueOf(p.getDefault());
                 if (p.getEnum() == null) {
                     return "\"" + _default + "\"";
                 } else {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java

@@ -970,7 +970,7 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
             return null;
         } else if (ModelUtils.isURISchema(schema)) {
             if (schema.getDefault() != null) {
-                return "URI.create(\"" + escapeText((String) schema.getDefault()) + "\")";
+                return "URI.create(\"" + escapeText(String.valueOf(schema.getDefault())) + "\")";
             }
             return null;
         } else if (ModelUtils.isStringSchema(schema)) {
@@ -992,8 +992,10 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
                     } else {
                         return null;
                     }
+                } else if (schema.getDefault() instanceof UUID) {
+                    return "UUID.fromString(\"" + String.valueOf(schema.getDefault()) + "\")";
                 } else {
-                    _default = (String) schema.getDefault();
+                    _default = String.valueOf(schema.getDefault());
                 }
 
                 if (schema.getEnum() == null) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java

@@ -1061,7 +1061,7 @@ public abstract class AbstractKotlinCodegen extends DefaultCodegen implements Co
             }
         } else if (ModelUtils.isStringSchema(p)) {
             if (p.getDefault() != null) {
-                String _default = (String) p.getDefault();
+                String _default = String.valueOf(p.getDefault());
                 if (p.getEnum() == null) {
                     return "\"" + escapeText(_default) + "\"";
                 } else {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractRubyCodegen.java

@@ -161,7 +161,7 @@ abstract public class AbstractRubyCodegen extends DefaultCodegen implements Code
                 } else if (p.getDefault() instanceof java.time.OffsetDateTime) {
                     return "Time.parse(\"" + String.format(Locale.ROOT, ((java.time.OffsetDateTime) p.getDefault()).atZoneSameInstant(ZoneId.systemDefault()).toString(), "") + "\")";
                 } else {
-                    return "'" + escapeText((String) p.getDefault()) + "'";
+                    return "'" + escapeText((String.valueOf(p.getDefault()))) + "'";
                 }
             }
         }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractTypeScriptClientCodegen.java

@@ -718,7 +718,7 @@ public abstract class AbstractTypeScriptClientCodegen extends DefaultCodegen imp
             return UNDEFINED_VALUE;
         } else if (ModelUtils.isStringSchema(p)) {
             if (p.getDefault() != null) {
-                return "'" + escapeText((String) p.getDefault()) + "'";
+                return "'" + escapeText(String.valueOf(p.getDefault())) + "'";
             }
             return UNDEFINED_VALUE;
         } else {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CrystalClientCodegen.java

@@ -828,7 +828,7 @@ public class CrystalClientCodegen extends DefaultCodegen {
                 } else if (p.getDefault() instanceof java.time.OffsetDateTime) {
                     return "Time.parse(\"" + String.format(Locale.ROOT, ((java.time.OffsetDateTime) p.getDefault()).atZoneSameInstant(ZoneId.systemDefault()).toString(), "") + "\")";
                 } else {
-                    return "\"" + escapeText((String) p.getDefault()) + "\"";
+                    return "\"" + escapeText((String.valueOf(p.getDefault()))) + "\"";
                 }
             }
         }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/RClientCodegen.java

@@ -848,10 +848,10 @@ public class RClientCodegen extends DefaultCodegen implements CodegenConfig {
             }
         } else if (ModelUtils.isStringSchema(p)) {
             if (p.getDefault() != null) {
-                if (Pattern.compile("\r\n|\r|\n").matcher((String) p.getDefault()).find())
+                if (Pattern.compile("\r\n|\r|\n").matcher((String.valueOf(p.getDefault()))).find())
-                    return "'''" + p.getDefault() + "'''";
+                    return "'''" + p.getDefault().toString() + "'''";
                 else
-                    return "\"" + ((String) p.getDefault()).replaceAll("\"", "\\\"") + "\"";
+                    return "\"" + ((String.valueOf(p.getDefault()))).replaceAll("\"", "\\\"") + "\"";
             }
         } else if (ModelUtils.isArraySchema(p)) {
             if (p.getDefault() != null) {

modules/openapi-generator/src/test/resources/3_0/java/petstore-with-fake-endpoints-models-for-testing-with-http-signature-okhttp-gson.yaml

@@ -1504,6 +1504,10 @@ components:
           type: string
           format: uuid
           example: 72f98069-206d-4f12-9f12-3d1e525a8e84
+        uuid_with_default:
+          type: string
+          format: uuid
+          default: 11111111-206d-4f12-9f12-3d1e525a8e84
         password:
           type: string
           format: password

samples/client/petstore/java/okhttp-gson/api/openapi.yaml

@@ -1496,6 +1496,10 @@ components:
           example: 72f98069-206d-4f12-9f12-3d1e525a8e84
           format: uuid
           type: string
+        uuid_with_default:
+          default: 11111111-206d-4f12-9f12-3d1e525a8e84
+          format: uuid
+          type: string
         password:
           format: password
           maxLength: 64

samples/client/petstore/java/okhttp-gson/docs/FormatTest.md

@@ -20,6 +20,7 @@
 |**date** | **LocalDate** |  |  |
 |**dateTime** | **OffsetDateTime** |  |  [optional] |
 |**uuid** | **UUID** |  |  [optional] |
+|**uuidWithDefault** | **UUID** |  |  [optional] |
 |**password** | **String** |  |  |
 |**patternWithDigits** | **String** | A string that is a 10 digit number. Can have leading zeros. |  [optional] |
 |**patternWithDigitsAndDelimiter** | **String** | A string starting with 'image_' (case insensitive) and one to three digits following i.e. Image_01. |  [optional] |

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -106,6 +106,10 @@ public class FormatTest {
   @SerializedName(SERIALIZED_NAME_UUID)
   private UUID uuid;
 
+  public static final String SERIALIZED_NAME_UUID_WITH_DEFAULT = "uuid_with_default";
+  @SerializedName(SERIALIZED_NAME_UUID_WITH_DEFAULT)
+  private UUID uuidWithDefault = UUID.fromString("11111111-206d-4f12-9f12-3d1e525a8e84");
+
   public static final String SERIALIZED_NAME_PASSWORD = "password";
   @SerializedName(SERIALIZED_NAME_PASSWORD)
   private String password;
@@ -430,6 +434,29 @@ public class FormatTest {
   }
 
 
+  public FormatTest uuidWithDefault(UUID uuidWithDefault) {
+    
+    this.uuidWithDefault = uuidWithDefault;
+    return this;
+  }
+
+   /**
+   * Get uuidWithDefault
+   * @return uuidWithDefault
+  **/
+  @javax.annotation.Nullable
+  @ApiModelProperty(value = "")
+
+  public UUID getUuidWithDefault() {
+    return uuidWithDefault;
+  }
+
+
+  public void setUuidWithDefault(UUID uuidWithDefault) {
+    this.uuidWithDefault = uuidWithDefault;
+  }
+
+
   public FormatTest password(String password) {
     
     this.password = password;
@@ -557,6 +584,7 @@ public class FormatTest {
         Objects.equals(this.date, formatTest.date) &&
         Objects.equals(this.dateTime, formatTest.dateTime) &&
         Objects.equals(this.uuid, formatTest.uuid) &&
+        Objects.equals(this.uuidWithDefault, formatTest.uuidWithDefault) &&
         Objects.equals(this.password, formatTest.password) &&
         Objects.equals(this.patternWithDigits, formatTest.patternWithDigits) &&
         Objects.equals(this.patternWithDigitsAndDelimiter, formatTest.patternWithDigitsAndDelimiter)&&
@@ -565,7 +593,7 @@ public class FormatTest {
 
   @Override
   public int hashCode() {
-    return Objects.hash(integer, int32, int64, number, _float, _double, decimal, string, Arrays.hashCode(_byte), binary, date, dateTime, uuid, password, patternWithDigits, patternWithDigitsAndDelimiter, additionalProperties);
+    return Objects.hash(integer, int32, int64, number, _float, _double, decimal, string, Arrays.hashCode(_byte), binary, date, dateTime, uuid, uuidWithDefault, password, patternWithDigits, patternWithDigitsAndDelimiter, additionalProperties);
   }
 
   @Override
@@ -585,6 +613,7 @@ public class FormatTest {
     sb.append("    date: ").append(toIndentedString(date)).append("\n");
     sb.append("    dateTime: ").append(toIndentedString(dateTime)).append("\n");
     sb.append("    uuid: ").append(toIndentedString(uuid)).append("\n");
+    sb.append("    uuidWithDefault: ").append(toIndentedString(uuidWithDefault)).append("\n");
     sb.append("    password: ").append(toIndentedString(password)).append("\n");
     sb.append("    patternWithDigits: ").append(toIndentedString(patternWithDigits)).append("\n");
     sb.append("    patternWithDigitsAndDelimiter: ").append(toIndentedString(patternWithDigitsAndDelimiter)).append("\n");
@@ -624,6 +653,7 @@ public class FormatTest {
     openapiFields.add("date");
     openapiFields.add("dateTime");
     openapiFields.add("uuid");
+    openapiFields.add("uuid_with_default");
     openapiFields.add("password");
     openapiFields.add("pattern_with_digits");
     openapiFields.add("pattern_with_digits_and_delimiter");
@@ -661,6 +691,9 @@ public class FormatTest {
       if ((jsonObj.get("uuid") != null && !jsonObj.get("uuid").isJsonNull()) && !jsonObj.get("uuid").isJsonPrimitive()) {
         throw new IllegalArgumentException(String.format("Expected the field `uuid` to be a primitive type in the JSON string but got `%s`", jsonObj.get("uuid").toString()));
       }
+      if ((jsonObj.get("uuid_with_default") != null && !jsonObj.get("uuid_with_default").isJsonNull()) && !jsonObj.get("uuid_with_default").isJsonPrimitive()) {
+        throw new IllegalArgumentException(String.format("Expected the field `uuid_with_default` to be a primitive type in the JSON string but got `%s`", jsonObj.get("uuid_with_default").toString()));
+      }
       if (!jsonObj.get("password").isJsonPrimitive()) {
         throw new IllegalArgumentException(String.format("Expected the field `password` to be a primitive type in the JSON string but got `%s`", jsonObj.get("password").toString()));
       }