Initial commit

src/main/java/things/IO.java

@@ -0,0 +1,38 @@
+package things;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+
+/**
+ * Base class for inputs or outputs.
+ *
+ * @see Resource
+ */
+public abstract class IO extends NamedResource {
+    private final Thing parent;
+
+    protected IO(Thing parent, String name) {
+        super(name);
+        this.parent = parent;
+    }
+
+    protected Thing getParent() {
+        return parent;
+    }
+
+    @Override
+    public String getURI() {
+        return parent.getURI() + "/" + getName();
+    }
+
+    @Override
+    public String getJSON() throws JsonProcessingException {
+        return Things.sharedObjectMapper().writerWithView(JSONViews.IODetail.class).writeValueAsString(this);
+    }
+
+    /**
+     * Returns the current value of the input or output.
+     *
+     * @return  Current value.
+     */
+    abstract public int getValue();
+}