samples: Set Endpoint Samples (#1644)

* Set Endpoint Samples

* Update pom.xml

Author: nnegrey

language/snippets/src/main/java/com/example/language/SetEndpoint.java

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+/*
+ * Copyright 2019 Google LLC
+ *
+ * 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 com.example.language;
+
+import com.google.cloud.language.v1.Document;
+import com.google.cloud.language.v1.LanguageServiceClient;
+import com.google.cloud.language.v1.LanguageServiceSettings;
+import com.google.cloud.language.v1.Sentiment;
+
+import java.io.IOException;
+
+class SetEndpoint {
+
+  // Change your endpoint
+  static void setEndpoint() throws IOException {
+    // [START language_set_endpoint]
+    LanguageServiceSettings settings = LanguageServiceSettings.newBuilder()
+            .setEndpoint("eu-language.googleapis.com:443")
+            .build();
+
+    // Initialize client that will be used to send requests. This client only needs to be created
+    // once, and can be reused for multiple requests. After completing all of your requests, call
+    // the "close" method on the client to safely clean up any remaining background resources.
+    LanguageServiceClient client = LanguageServiceClient.create(settings);
+    // [END language_set_endpoint]
+
+    // The text to analyze
+    String text = "Hello, world!";
+    Document doc = Document.newBuilder()
+            .setContent(text).setType(Document.Type.PLAIN_TEXT).build();
+
+    // Detects the sentiment of the text
+    Sentiment sentiment = client.analyzeSentiment(doc).getDocumentSentiment();
+
+    System.out.printf("Text: %s%n", text);
+    System.out.printf("Sentiment: %s, %s%n", sentiment.getScore(), sentiment.getMagnitude());
+    client.close();
+  }
+}

language/snippets/src/test/java/com/example/language/SetEndpointIT.java

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+/*
+ * Copyright 2019 Google LLC
+ *
+ * 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 com.example.language;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for Natural Language Set Endpoint */
+@RunWith(JUnit4.class)
+@SuppressWarnings("checkstyle:abbreviationaswordinname")
+public class SetEndpointIT {
+
+  private ByteArrayOutputStream bout;
+  private PrintStream out;
+
+
+  @Before
+  public void setUp() {
+    bout = new ByteArrayOutputStream();
+    out = new PrintStream(bout);
+    System.setOut(out);
+  }
+
+  @After
+  public void tearDown() {
+    System.setOut(null);
+  }
+
+
+  @Test
+  public void testSetEndpoint() throws IOException {
+    // Act
+    SetEndpoint.setEndpoint();
+
+    // Assert
+    String got = bout.toString();
+    assertThat(got).contains("Sentiment");
+  }
+}