samples: added new translate document samples (#608)

* samples: added new translate document samples * 🦉 Updates from OwlBot See https://github.com/googleapis/repo-automation-bots/blob/master/packages/owl-bot/README.md * fixed lint and removed main * 🦉 Updates from OwlBot See https://github.com/googleapis/repo-automation-bots/blob/master/packages/owl-bot/README.md * fixed import lint * removed mac files & added resources * chore: year bump * changed doc file * added polling algorithm * 🦉 Updates from OwlBot See https://github.com/googleapis/repo-automation-bots/blob/master/packages/owl-bot/README.md * made requested the changes * format * made requested changes regarding comment & String concant Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
GoogleCloudPlatform · Oct 15, 2021 · eff5d54 · eff5d54
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diff --git a/translate/snippets/resources/fake_invoice.pdf b/translate/snippets/resources/fake_invoice.pdf
diff --git a/translate/snippets/src/main/java/com/example/translatev3beta1/BatchTranslateDocument.java b/translate/snippets/src/main/java/com/example/translatev3beta1/BatchTranslateDocument.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2021 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.translatev3beta1;
+
+// [START translate_v3beta1_batch_translate_document]
+
+import com.google.api.gax.longrunning.OperationFuture;
+import com.google.api.gax.longrunning.OperationTimedPollAlgorithm;
+import com.google.api.gax.retrying.RetrySettings;
+import com.google.api.gax.retrying.TimedRetryAlgorithm;
+import com.google.cloud.translate.v3beta1.BatchDocumentInputConfig;
+import com.google.cloud.translate.v3beta1.BatchDocumentOutputConfig;
+import com.google.cloud.translate.v3beta1.BatchTranslateDocumentMetadata;
+import com.google.cloud.translate.v3beta1.BatchTranslateDocumentRequest;
+import com.google.cloud.translate.v3beta1.BatchTranslateDocumentResponse;
+import com.google.cloud.translate.v3beta1.GcsDestination;
+import com.google.cloud.translate.v3beta1.GcsSource;
+import com.google.cloud.translate.v3beta1.LocationName;
+import com.google.cloud.translate.v3beta1.TranslationServiceClient;
+import com.google.cloud.translate.v3beta1.TranslationServiceSettings;
+import java.io.IOException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import org.threeten.bp.Duration;
+
+public class BatchTranslateDocument {
+
+  public static void batchTranslateDocument()
+      throws IOException, ExecutionException, InterruptedException, TimeoutException {
+    // TODO(developer): Replace these variables before running the sample.
+    String projectId = "YOUR-PROJECT-ID";
+    // Supported Languages: https://cloud.google.com/translate/docs/languages
+    String sourceLanguage = "your-source-language";
+    String targetLanguage = "your-target-language";
+    String inputUri = "gs://your-gcs-bucket/path/to/input/file.txt";
+    String outputUri = "gs://your-gcs-bucket/path/to/results/";
+    int timeout = 400; // timeout in seconds
+    batchTranslateDocument(projectId, sourceLanguage, targetLanguage, inputUri, outputUri, timeout);
+  }
+
+  // Batch translate document
+  public static void batchTranslateDocument(
+      String projectId,
+      String sourceLanguage,
+      String targetLanguage,
+      String inputUri,
+      String outputUri,
+      int timeout)
+      throws IOException, ExecutionException, InterruptedException, TimeoutException {
+    // refer to https://github.com/googleapis/java-translate/issues/613
+    TranslationServiceSettings.Builder translationServiceSettingsBuilder =
+        TranslationServiceSettings.newBuilder();
+    TimedRetryAlgorithm timedRetryAlgorithm =
+        OperationTimedPollAlgorithm.create(
+            RetrySettings.newBuilder().setTotalTimeout(Duration.ofSeconds(1000)).build());
+    translationServiceSettingsBuilder
+        .batchTranslateDocumentOperationSettings()
+        .setPollingAlgorithm(timedRetryAlgorithm);
+    TranslationServiceSettings translationServiceSettings =
+        translationServiceSettingsBuilder.build();
+
+    // Initialize client that sends requests. This client can be reused for multiple requests. After
+    // completing all of your requests, call the "close" method on the client to clean
+    // up any remaining background resources.
+    try (TranslationServiceClient client =
+        TranslationServiceClient.create(translationServiceSettings)) {
+      // The ``global`` location is not supported for batch translation
+      LocationName parent = LocationName.of(projectId, "us-central1");
+
+      // Google Cloud Storage location for the source input. This can be a single file
+      // (for example, ``gs://translation-test/input.docx``) or a wildcard
+      // (for example, ``gs://translation-test/*``).
+      // Supported file types: https://cloud.google.com/translate/docs/supported-formats
+      GcsSource gcsSource = GcsSource.newBuilder().setInputUri(inputUri).build();
+
+      BatchDocumentInputConfig batchDocumentInputConfig =
+          BatchDocumentInputConfig.newBuilder().setGcsSource(gcsSource).build();
+
+      GcsDestination gcsDestination =
+          GcsDestination.newBuilder().setOutputUriPrefix(outputUri).build();
+
+      BatchDocumentOutputConfig batchDocumentOutputConfig =
+          BatchDocumentOutputConfig.newBuilder().setGcsDestination(gcsDestination).build();
+
+      BatchTranslateDocumentRequest request =
+          BatchTranslateDocumentRequest.newBuilder()
+              .setParent(parent.toString())
+              .setSourceLanguageCode(sourceLanguage)
+              .addTargetLanguageCodes(targetLanguage)
+              .addInputConfigs(batchDocumentInputConfig)
+              .setOutputConfig(batchDocumentOutputConfig)
+              .build();
+
+      OperationFuture<BatchTranslateDocumentResponse, BatchTranslateDocumentMetadata> future =
+          client.batchTranslateDocumentAsync(request);
+
+      System.out.println("Waiting for operation to complete...");
+
+      // random number between timeout
+      long randomNumber = ThreadLocalRandom.current().nextInt(timeout, timeout + 100);
+      BatchTranslateDocumentResponse response = future.get(randomNumber, TimeUnit.SECONDS);
+
+      System.out.println("Total Pages: " + response.getTotalPages());
+    }
+  }
+}
+// [END translate_v3beta1_batch_translate_document]
diff --git a/translate/snippets/src/main/java/com/example/translatev3beta1/TranslateDocument.java b/translate/snippets/src/main/java/com/example/translatev3beta1/TranslateDocument.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2021 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.translatev3beta1;
+
+// [START translate_v3beta1_translate_document]
+
+import com.google.cloud.translate.v3beta1.DocumentInputConfig;
+import com.google.cloud.translate.v3beta1.LocationName;
+import com.google.cloud.translate.v3beta1.TranslateDocumentRequest;
+import com.google.cloud.translate.v3beta1.TranslateDocumentResponse;
+import com.google.cloud.translate.v3beta1.TranslationServiceClient;
+import com.google.protobuf.ByteString;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+public class TranslateDocument {
+
+  public static void translateDocument() throws IOException {
+    // TODO(developer): Replace these variables before running the sample.
+    String projectId = "YOUR-PROJECT-ID";
+    String filePath = "your-text";
+    translateDocument(projectId, filePath);
+  }
+
+  // Translating Document
+  public static void translateDocument(String projectId, String filePath) throws IOException {
+    // Initialize client that sends requests. This client can be reused for multiple requests. After
+    // completing all of your requests, call the "close" method on the client to clean
+    // up any remaining background resources.
+    try (TranslationServiceClient client = TranslationServiceClient.create()) {
+      // The ``global`` location is not supported for batch translation
+      LocationName parent = LocationName.of(projectId, "us-central1");
+
+      // Supported file types: https://cloud.google.com/translate/docs/supported-formats
+      ByteString content = ByteString.readFrom(new FileInputStream(filePath));
+
+      DocumentInputConfig documentInputConfig =
+          DocumentInputConfig.newBuilder()
+              .setContent(content)
+              .setMimeType("application/pdf")
+              .build();
+
+      TranslateDocumentRequest request =
+          TranslateDocumentRequest.newBuilder()
+              .setParent(parent.toString())
+              .setTargetLanguageCode("fr-FR")
+              .setDocumentInputConfig(documentInputConfig)
+              .build();
+
+      TranslateDocumentResponse response = client.translateDocument(request);
+
+      // To view translated document, write `response.document_translation.byte_stream_outputs`
+      // to file. If not provided in the TranslationRequest, the translated file will only be
+      // returned through a byte-stream and its output mime type will be the same as the input
+      // file's mime type
+      System.out.println(
+          "Response: Detected Language Code - "
+              + response.getDocumentTranslation().getDetectedLanguageCode());
+    }
+  }
+}
+// [END translate_v3beta1_translate_document]
diff --git a/...late/snippets/src/test/java/com/example/translatev3beta1/BatchTranslateDocumentTests.java b/...late/snippets/src/test/java/com/example/translatev3beta1/BatchTranslateDocumentTests.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2021 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.translatev3beta1;
+
+import static com.google.common.truth.Truth.assertThat;
+import static junit.framework.TestCase.assertNotNull;
+
+import com.google.api.gax.paging.Page;
+import com.google.cloud.storage.Blob;
+import com.google.cloud.storage.Storage;
+import com.google.cloud.storage.StorageOptions;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.util.UUID;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeoutException;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for Batch Translate Document sample. */
+@RunWith(JUnit4.class)
+@SuppressWarnings("checkstyle:abbreviationaswordinname")
+public class BatchTranslateDocumentTests {
+
+  private static final String PROJECT_ID = System.getenv("GOOGLE_CLOUD_PROJECT");
+  private static final String INPUT_URI =
+      "gs://java-docs-samples-testing/translation/invoice2.docx";
+  private static final String PREFIX = "BATCH_DOC_TRANSLATION_OUTPUT_";
+  private static final String OUTPUT_URI =
+      String.format("gs://%s/%s%s/", PROJECT_ID, PREFIX, UUID.randomUUID());
+
+  private ByteArrayOutputStream bout;
+  private PrintStream out;
+  private PrintStream originalPrintStream;
+
+  private static void cleanUpBucket() {
+    Storage storage = StorageOptions.getDefaultInstance().getService();
+    Page<Blob> blobs =
+        storage.list(
+            PROJECT_ID,
+            Storage.BlobListOption.currentDirectory(),
+            Storage.BlobListOption.prefix(PREFIX));
+
+    deleteDirectory(storage, blobs);
+  }
+
+  private static void deleteDirectory(Storage storage, Page<Blob> blobs) {
+    for (Blob blob : blobs.iterateAll()) {
+      System.out.println(blob.getBlobId());
+      if (!blob.delete()) {
+        Page<Blob> subBlobs =
+            storage.list(
+                PROJECT_ID,
+                Storage.BlobListOption.currentDirectory(),
+                Storage.BlobListOption.prefix(blob.getName()));
+
+        deleteDirectory(storage, subBlobs);
+      }
+    }
+  }
+
+  private static void requireEnvVar(String varName) {
+    assertNotNull(String.format(varName), System.getenv(varName));
+  }
+
+  @BeforeClass
+  public static void checkRequirements() {
+    requireEnvVar("GOOGLE_APPLICATION_CREDENTIALS");
+    requireEnvVar("GOOGLE_CLOUD_PROJECT");
+  }
+
+  @Before
+  public void setUp() {
+    bout = new ByteArrayOutputStream();
+    out = new PrintStream(bout);
+    originalPrintStream = System.out;
+    System.setOut(out);
+
+    // clean up bucket before the use to prevent concurrency issue.
+    cleanUpBucket();
+  }
+
+  @After
+  public void tearDown() {
+    cleanUpBucket();
+    System.out.flush();
+    System.setOut(originalPrintStream);
+  }
+
+  @Test
+  public void testBatchTranslateDocument()
+      throws InterruptedException, ExecutionException, IOException, TimeoutException {
+    BatchTranslateDocument.batchTranslateDocument(
+        PROJECT_ID, "en-US", "fr-FR", INPUT_URI, OUTPUT_URI, 1000);
+
+    String got = bout.toString();
+    assertThat(got).contains("Total Pages:");
+  }
+}
diff --git a/translate/snippets/src/test/java/com/example/translatev3beta1/TranslateDocumentTests.java b/translate/snippets/src/test/java/com/example/translatev3beta1/TranslateDocumentTests.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2021 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.translatev3beta1;
+
+import static com.google.common.truth.Truth.assertThat;
+import static junit.framework.TestCase.assertNotNull;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for Translate Document sample. */
+@RunWith(JUnit4.class)
+@SuppressWarnings("checkstyle:abbreviationaswordinname")
+public class TranslateDocumentTests {
+  private static final String PROJECT_ID = System.getenv("GOOGLE_CLOUD_PROJECT");
+
+  private ByteArrayOutputStream bout;
+  private PrintStream out;
+  private PrintStream originalPrintStream;
+
+  private static void requireEnvVar(String varName) {
+    assertNotNull(String.format(varName), System.getenv(varName));
+  }
+
+  @BeforeClass
+  public static void checkRequirements() {
+    requireEnvVar("GOOGLE_APPLICATION_CREDENTIALS");
+    requireEnvVar("GOOGLE_CLOUD_PROJECT");
+  }
+
+  @Before
+  public void setUp() {
+    bout = new ByteArrayOutputStream();
+    out = new PrintStream(bout);
+    originalPrintStream = System.out;
+    System.setOut(out);
+  }
+
+  @After
+  public void tearDown() {
+    // restores print statements in the original method
+    System.out.flush();
+    System.setOut(originalPrintStream);
+  }
+
+  @Test
+  public void testTranslateText() throws IOException {
+    TranslateDocument.translateDocument(PROJECT_ID, "resources/fake_invoice.pdf");
+    String got = bout.toString();
+    assertThat(got).contains("Response: Detected Language Code");
+  }
+}