[Java] fix beanvalidation compilation failed when items type in array… (#18379)

* [Java] fix beanvalidation compilation failed when items type in array is int64

* [Java] add annotations container bean validation test

Author: fanqiewanzi

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

@@ -999,6 +999,10 @@ private String getBeanValidation(Schema<?> items) {
             return getNumberBeanValidation(items);
         }
 
+        if (ModelUtils.isLongSchema(items)) {
+            return getLongBeanValidation(items);
+        }
+
         if (ModelUtils.isIntegerSchema(items)) {
             return getIntegerBeanValidation(items);
         }
@@ -1021,6 +1025,21 @@ private String getIntegerBeanValidation(Schema<?> items) {
         return "";
     }
 
+    private String getLongBeanValidation(Schema<?> items) {
+        if (items.getMinimum() != null && items.getMaximum() != null) {
+            return String.format(Locale.ROOT, "@Min(%sL) @Max(%sL)", items.getMinimum(), items.getMaximum());
+        }
+
+        if (items.getMinimum() != null) {
+            return String.format(Locale.ROOT, "@Min(%sL)", items.getMinimum());
+        }
+
+        if (items.getMaximum() != null) {
+            return String.format(Locale.ROOT, "@Max(%sL)", items.getMaximum());
+        }
+        return "";
+    }
+
     private String getNumberBeanValidation(Schema<?> items) {
         if (items.getMinimum() != null && items.getMaximum() != null) {
             return String.format(Locale.ROOT, "@DecimalMin(value = \"%s\", inclusive = %s) @DecimalMax(value = \"%s\", inclusive = %s)",

modules/openapi-generator/src/test/java/org/openapitools/codegen/java/AbstractJavaCodegenTest.java

@@ -24,6 +24,8 @@
 
 import io.swagger.v3.oas.models.parameters.Parameter;
 import io.swagger.v3.parser.core.models.ParseOptions;
+
+import java.math.BigDecimal;
 import java.time.OffsetDateTime;
 import java.time.ZonedDateTime;
 import java.util.*;
@@ -945,6 +947,93 @@ public void ignoreBeanValidationAnnotationsContainerTest() {
         Assert.assertEquals(defaultValue, "List<File>");
     }
 
+    @Test
+    public void AnnotationsContainerTest() {
+        final P_AbstractJavaCodegen codegen = new P_AbstractJavaCodegen();
+        codegen.additionalProperties().put("useBeanValidation", true);
+
+        // 1. string type
+        Schema<?> schema = new ArraySchema().items(new Schema<>().type("string").pattern("^[a-z]$").minLength(0).maxLength(36));
+        String defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Pattern(regexp = \"^[a-z]$\")@Size(min = 0, max = 36)String>");
+
+        schema = new ArraySchema().items(new Schema<>().type("string").pattern("^[a-z]$").minLength(0));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Pattern(regexp = \"^[a-z]$\")@Size(min = 0)String>");
+
+        schema = new ArraySchema().items(new Schema<>().type("string").pattern("^[a-z]$").maxLength(36));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Pattern(regexp = \"^[a-z]$\")@Size(max = 36)String>");
+
+        schema = new ArraySchema().items(new Schema<>().type("string").format("email"));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Email String>");
+
+        // 2. string type with number format
+        schema = new ArraySchema().items(new Schema<>().type("string").format("number").minimum(BigDecimal.ZERO).maximum(BigDecimal.TEN).exclusiveMinimum(Boolean.TRUE).exclusiveMaximum(Boolean.TRUE));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@DecimalMin(value = \"0\", inclusive = false) @DecimalMax(value = \"10\", inclusive = false)BigDecimal>");
+
+        schema = new ArraySchema().items(new Schema<>().type("string").format("number").minimum(BigDecimal.ZERO).exclusiveMinimum(Boolean.TRUE));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@DecimalMin( value = \"0\", inclusive = false)BigDecimal>");
+
+        schema = new ArraySchema().items(new Schema<>().type("string").format("number").maximum(BigDecimal.TEN).exclusiveMaximum(Boolean.TRUE));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@DecimalMax( value = \"10\", inclusive = false)BigDecimal>");
+
+        // 3. number type
+        schema = new ArraySchema().items(new Schema<>().type("number").minimum(BigDecimal.ZERO).maximum(BigDecimal.TEN).exclusiveMinimum(Boolean.TRUE).exclusiveMaximum(Boolean.TRUE));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@DecimalMin(value = \"0\", inclusive = false) @DecimalMax(value = \"10\", inclusive = false)BigDecimal>");
+
+        schema = new ArraySchema().items(new Schema<>().type("number").minimum(BigDecimal.ZERO).exclusiveMinimum(Boolean.TRUE));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@DecimalMin( value = \"0\", inclusive = false)BigDecimal>");
+
+        schema = new ArraySchema().items(new Schema<>().type("number").maximum(BigDecimal.TEN).exclusiveMaximum(Boolean.TRUE));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@DecimalMax( value = \"10\", inclusive = false)BigDecimal>");
+
+        schema = new ArraySchema().items(new Schema<>().type("number").minimum(BigDecimal.ZERO).maximum(BigDecimal.TEN));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@DecimalMin(value = \"0\", inclusive = true) @DecimalMax(value = \"10\", inclusive = true)BigDecimal>");
+
+        schema = new ArraySchema().items(new Schema<>().type("number").minimum(BigDecimal.ZERO));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@DecimalMin( value = \"0\", inclusive = true)BigDecimal>");
+
+        schema = new ArraySchema().items(new Schema<>().type("number").maximum(BigDecimal.TEN));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@DecimalMax( value = \"10\", inclusive = true)BigDecimal>");
+
+        // 4. integer type with int64 format
+        schema = new ArraySchema().items(new Schema<>().type("integer").format("int64").minimum(BigDecimal.ZERO).maximum(BigDecimal.TEN));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Min(0L) @Max(10L)Long>");
+
+        schema = new ArraySchema().items(new Schema<>().type("integer").format("int64").minimum(BigDecimal.ZERO));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Min(0L)Long>");
+
+        schema = new ArraySchema().items(new Schema<>().type("integer").format("int64").maximum(BigDecimal.TEN));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Max(10L)Long>");
+
+        // 5. integer type
+        schema = new ArraySchema().items(new Schema<>().type("integer").minimum(BigDecimal.ZERO).maximum(BigDecimal.TEN));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Min(0) @Max(10)Integer>");
+
+        schema = new ArraySchema().items(new Schema<>().type("integer").minimum(BigDecimal.ZERO));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Min(0)Integer>");
+
+        schema = new ArraySchema().items(new Schema<>().type("integer").maximum(BigDecimal.TEN));
+        defaultValue = codegen.getTypeDeclaration(schema);
+        Assert.assertEquals(defaultValue, "List<@Max(10)Integer>");
+    }
+
     private static Schema<?> createObjectSchemaWithMinItems() {
         return new ObjectSchema()
                 .addProperties("id", new IntegerSchema().format("int32"))