Fix package declaration for play-framework (#332)

samples/server/petstore/java-play-framework-no-exception-handling/app/openapitools/ApiCall.java

@@ -0,0 +1,27 @@
+package openapitools;
+
+import com.google.inject.Inject;
+import play.mvc.Action;
+import play.mvc.Http;
+import play.mvc.Result;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+
+public class ApiCall extends Action<OpenAPIUtils.ApiAction> {
+
+    @Inject
+    private ApiCall() {}
+
+    public CompletionStage<Result> call(Http.Context ctx) {
+        try {
+            //TODO: Do stuff you want to handle with each API call (metrics, logging, etc..)
+            return delegate.call(ctx);
+        } catch (Throwable t) {
+            //TODO: log the error in your metric
+
+            //We rethrow this error so it will be caught in the ErrorHandler
+            throw t;
+        }
+    }
+}

samples/server/petstore/java-play-framework-no-exception-handling/app/openapitools/OpenAPIUtils.java

@@ -0,0 +1,103 @@
+package openapitools;
+
+import play.mvc.With;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+import javax.validation.ConstraintViolation;
+import javax.validation.Validation;
+import javax.validation.Validator;
+import javax.validation.ValidatorFactory;
+
+public class OpenAPIUtils {
+
+    @With(ApiCall.class)
+    @Target({ ElementType.TYPE, ElementType.METHOD })
+    @Retention(RetentionPolicy.RUNTIME)
+    public @interface ApiAction {
+    }
+
+    public static <T> void validate(T obj) {
+        ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
+        Validator validator = factory.getValidator();
+        Set<ConstraintViolation<T>> constraintViolations = validator.validate(obj);
+        if (constraintViolations.size() > 0) {
+            StringBuilder errors = new StringBuilder();
+            for (ConstraintViolation<T> contraintes : constraintViolations) {
+                errors.append(String.format("%s.%s %s\n",
+                contraintes.getRootBeanClass().getSimpleName(),
+                contraintes.getPropertyPath(),
+                contraintes.getMessage()));
+            }
+            throw new RuntimeException("Bean validation : " + errors);
+        }
+    }
+
+    public static List<String> parametersToList(String collectionFormat, String[] values){
+        List<String> params = new ArrayList<>();
+
+        if (values == null) {
+            return params;
+        }
+
+        if (values.length >= 1 && collectionFormat.equals("multi")) {
+            params.addAll(Arrays.asList(values));
+        } else {
+            collectionFormat = (collectionFormat == null || collectionFormat.isEmpty() ? "csv" : collectionFormat); // default: csv
+
+            String delimiter = ",";
+
+            switch(collectionFormat) {
+                case "csv": {
+                    delimiter = ",";
+                    break;
+                }
+                case "ssv": {
+                    delimiter = " ";
+                    break;
+                }
+                case "tsv": {
+                    delimiter = "\t";
+                    break;
+                }
+                case "pipes": {
+                    delimiter = "|";
+                    break;
+                }
+            }
+
+            params = Arrays.asList(values[0].split(delimiter));
+        }
+
+        return params;
+    }
+
+    public static String parameterToString(Object param) {
+        if (param == null) {
+            return "";
+        } else if (param instanceof Date) {
+            return formatDatetime((Date) param);
+        } else if (param instanceof Collection) {
+            StringBuilder b = new StringBuilder();
+            for (Object o : (Collection)param) {
+                if (b.length() > 0) {
+                    b.append(",");
+            }
+            b.append(String.valueOf(o));
+        }
+
+        return b.toString();
+        } else {
+            return String.valueOf(param);
+        }
+    }
+
+    public static String formatDatetime(Date date) {
+    	return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX").format(date);
+    }
+}