Small changes, allow Image path and data to be read from a datapackage

Author: JohannesJander

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>io.frictionlessdata</groupId>
     <artifactId>datapackage-java</artifactId>
-    <version>0.6.2-SNAPSHOT</version>
+    <version>0.6.4-SNAPSHOT</version>
     <packaging>jar</packaging>
     <issueManagement>
         <url>https://github.com/frictionlessdata/datapackage-java/issues</url>
@@ -20,7 +20,7 @@
         <java.version>8</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
-        <tableschema-java-version>0.6.2</tableschema-java-version>
+        <tableschema-java-version>0.6.4</tableschema-java-version>
         <hamcrest.version>1.3</hamcrest.version>
         <junit.version>5.9.1</junit.version>
         <slf4j-simple.version>2.0.5</slf4j-simple.version>

src/main/java/io/frictionlessdata/datapackage/Package.java

@@ -90,8 +90,9 @@ public Package(Collection<Resource> resources) throws IOException {
     }
 
     /**
-     * Load from String representation of JSON object. To prevent file system traversal attacks,
-     * the basePath must be explicitly set here, the `basePath` variable cannot be null.
+     * Load from String representation of JSON object. To prevent file system traversal attacks
+     * while loading Resources, the basePath must be explicitly set here, the `basePath`
+     * variable cannot be null.
      *
      * The basePath is the path that is used as a jail root for Resource creation -
      * no absolute paths for Resources are allowed, they must all be relative to and
@@ -263,10 +264,26 @@ public URL getHomepage() {
         return homepage;
     }
 
-    public String getImage() {
+    /**
+     * Returns the path or URL for the image according to the spec:
+     * https://specs.frictionlessdata.io/data-package/#image
+     *
+     * @return path or URL to the image data
+     */
+    public String getImagePath() {
         return image;
     }
 
+    /**
+     * Returns the image data if the image is stored inside the data package, null if {@link #getImagePath()}
+     * would return a URLL
+     *
+     * @return binary image data
+     */
+    public byte[] getImage() {
+        return imageData;
+    }
+
     public ZonedDateTime getCreated() {
         return created;
     }