Add an example of using YAML

Author: brendandburns

examples/src/main/java/io/kubernetes/client/examples/YamlExample.java

@@ -0,0 +1,71 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package io.kubernetes.client.examples;
+
+import io.kubernetes.client.ApiException;
+import io.kubernetes.client.custom.IntOrString;
+import io.kubernetes.client.models.V1Pod;
+import io.kubernetes.client.models.V1PodBuilder;
+import io.kubernetes.client.models.V1Service;
+import io.kubernetes.client.models.V1ServiceBuilder;
+import io.kubernetes.client.util.Yaml;
+import java.io.IOException;
+import java.util.HashMap;
+
+/**
+ * A simple example of how to parse a Kubernetes object.
+ *
+ * <p>Easiest way to run this: mvn exec:java
+ * -Dexec.mainClass="io.kubernetes.client.examples.YamlExample"
+ *
+ * <p>From inside $REPO_DIR/examples
+ */
+public class YamlExample {
+  public static void main(String[] args) throws IOException, ApiException, ClassNotFoundException {
+    V1Pod pod =
+        new V1PodBuilder()
+            .withNewMetadata()
+            .withName("apod")
+            .endMetadata()
+            .withNewSpec()
+            .addNewContainer()
+            .withName("www")
+            .withImage("nginx")
+            .withNewResources()
+            .withLimits(new HashMap<>())
+            .endResources()
+            .endContainer()
+            .endSpec()
+            .build();
+    System.out.println(Yaml.dump(pod));
+
+    V1Service svc =
+        new V1ServiceBuilder()
+            .withNewMetadata()
+            .withName("aservice")
+            .endMetadata()
+            .withNewSpec()
+            .withSessionAffinity("ClientIP")
+            .withType("NodePort")
+            .addNewPort()
+            .withProtocol("TCP")
+            .withName("client")
+            .withPort(8008)
+            .withNodePort(8080)
+            .withTargetPort(new IntOrString(8080))
+            .endPort()
+            .endSpec()
+            .build();
+    System.out.println(Yaml.dump(svc));
+  }
+}