For #268: Implementing Plugin upgrade() and push() methods

src/main/java/com/amihaiemil/docker/Plugin.java

@@ -34,9 +34,10 @@
  * A docker plugin.
  * @author Boris Kuzmic (boris.kuzmic@gmail.com)
  * @see <a href="https://docs.docker.com/engine/api/v1.35/#tag/Plugin">Docker Plugin API</a>
- * @todo #266:30min Continue implementing rest of the Plugin methods besides
- *  enable and disable. More information about API methods can be found at:
- *  https://docs.docker.com/engine/api/v1.35/#tag/Plugin
+ * @todo #266:30min Implement Plugin#configure method. The tests are already
+ *  coded, so after the implementation just remove the ignore annotation from
+ *  these tests. More information about Configure API method can be found at:
+ *  https://docs.docker.com/engine/api/v1.35/#operation/PluginSet
  * @since 0.0.7
  */
 public interface Plugin extends JsonObject {

src/main/java/com/amihaiemil/docker/RtPlugin.java

@@ -33,6 +33,8 @@
 import org.apache.http.HttpStatus;
 import org.apache.http.client.HttpClient;
 import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.ContentType;
+import org.apache.http.entity.StringEntity;
 
 /**
  * Runtime {@link Plugin}.
@@ -122,24 +124,47 @@ public void disable() throws IOException, UnexpectedResponseException {
     @Override
     public void upgrade(final String remote, final JsonArray properties)
         throws IOException, UnexpectedResponseException {
-        throw new UnsupportedOperationException(
-            String.join(" ",
-                "RtPlugin.upgrade() is not yet implemented.",
-                "If you can contribute please",
-                "do it here: https://www.github.com/amihaiemil/docker-java-api"
-            )
-        );
+        final HttpPost upgrade =
+            new HttpPost(
+                new UncheckedUriBuilder(this.uri.toString().concat("/upgrade"))
+                    .addParameter("remote", remote)
+                    .build()
+            );
+        try {
+            upgrade.setEntity(
+                new StringEntity(
+                    properties.toString(), ContentType.APPLICATION_JSON
+                )
+            );
+            this.client.execute(
+                upgrade,
+                new MatchStatus(
+                    upgrade.getURI(),
+                    HttpStatus.SC_NO_CONTENT
+                )
+            );
+        } finally {
+            upgrade.releaseConnection();
+        }
     }
 
     @Override
     public void push() throws IOException, UnexpectedResponseException {
-        throw new UnsupportedOperationException(
-            String.join(" ",
-                "RtPlugin.push() is not yet implemented.",
-                "If you can contribute please",
-                "do it here: https://www.github.com/amihaiemil/docker-java-api"
-            )
-        );
+        final HttpPost push =
+            new HttpPost(
+                String.format("%s/%s", this.uri.toString(), "push")
+            );
+        try {
+            this.client.execute(
+                push,
+                new MatchStatus(
+                    push.getURI(),
+                    HttpStatus.SC_OK
+                )
+            );
+        } finally {
+            push.releaseConnection();
+        }
     }
 
     @Override