Update dependencies

Author: bjansen

pom.xml

@@ -36,32 +36,25 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <junit.version>5.3.1</junit.version>
+        <junit.version>5.6.1</junit.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>io.swagger</groupId>
             <artifactId>swagger-core</artifactId>
-            <version>1.5.21</version>
+            <version>1.6.0</version>
         </dependency>
 
         <dependency>
             <groupId>com.github.java-json-tools</groupId>
             <artifactId>json-schema-validator</artifactId>
-            <version>2.2.10</version>
+            <version>2.2.13</version>
         </dependency>
 
         <dependency>
             <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-engine</artifactId>
+            <artifactId>junit-jupiter</artifactId>
             <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
@@ -78,7 +71,7 @@
         <plugins>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.22.1</version>
+                <version>2.22.2</version>
             </plugin>
             <plugin>
                 <groupId>org.sonatype.plugins</groupId>
@@ -102,7 +95,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-source-plugin</artifactId>
-                        <version>3.0.1</version>
+                        <version>3.2.1</version>
                         <executions>
                             <execution>
                                 <id>attach-sources</id>
@@ -115,7 +108,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>3.0.1</version>
+                        <version>3.2.0</version>
                         <executions>
                             <execution>
                                 <id>attach-javadocs</id>

src/main/java/com/github/bjansen/ssv/SwaggerValidator.java

@@ -77,6 +77,9 @@ public static SwaggerValidator forYamlSchema(Reader swaggerSpec) throws IOExcept
      * @throws IOException         if the payload is not a valid JSON object
      */
     public ProcessingReport validate(String jsonPayload, String definitionPointer) throws ProcessingException, IOException {
+        if (jsonPayload == null || jsonPayload.equals("")) {
+            throw new IOException("Payload is empty");
+        }
         return validate(jsonPayload, definitionPointer, Json.mapper());
     }