speech: use shared checkstyle plugin.

I change the Speech API sample pom.xml to use the common parent, this
means we now inherit the shared checkstyle configuration. I also fix the
checkstyle errors in the Java code.

Change-Id: I577f0489cb6c235223ae4428b590ae86820e1ec1

Author: tswast

speech/grpc/pom.xml

@@ -1,6 +1,19 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<!--
+Copyright 2016 Google Inc. All Rights Reserved.
+
+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.
+-->
+<project>
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>com.google.cloud.speech</groupId>
@@ -25,6 +38,13 @@
     <url>http://www.google.com</url>
   </organization>
 
+  <parent>
+    <groupId>com.google.cloud</groupId>
+    <artifactId>doc-samples</artifactId>
+    <version>1.0.0</version>
+    <relativePath>../..</relativePath>
+  </parent>
+
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>

speech/grpc/src/main/java/com/google/cloud/speech/grpc/demos/NonStreamingRecognizeClient.java

@@ -34,39 +34,41 @@
 import com.google.cloud.speech.v1.SpeechGrpc;
 import com.google.protobuf.ByteString;
 import com.google.protobuf.TextFormat;
+
 import io.grpc.ManagedChannel;
 import io.grpc.StatusRuntimeException;
 import io.grpc.auth.ClientAuthInterceptor;
 import io.grpc.netty.NegotiationType;
 import io.grpc.netty.NettyChannelBuilder;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.CommandLineParser;
+import org.apache.commons.cli.DefaultParser;
+import org.apache.commons.cli.OptionBuilder;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.ParseException;
+
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Arrays;
 import java.util.List;
-import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import org.apache.commons.cli.CommandLine;
-import org.apache.commons.cli.CommandLineParser;
-import org.apache.commons.cli.DefaultParser;
-import org.apache.commons.cli.Options;
-import org.apache.commons.cli.OptionBuilder;
-import org.apache.commons.cli.ParseException;
 
 /**
  * Client that sends audio to Speech.NonStreamingRecognize and returns transcript.
  */
 public class NonStreamingRecognizeClient {
 
   private static final Logger logger =
-        Logger.getLogger(NonStreamingRecognizeClient.class.getName());
+      Logger.getLogger(NonStreamingRecognizeClient.class.getName());
 
-   private static final List<String> OAUTH2_SCOPES =
-             Arrays.asList("https://www.googleapis.com/auth/xapi.zoo");
+  private static final List<String> OAUTH2_SCOPES =
+      Arrays.asList("https://www.googleapis.com/auth/xapi.zoo");
 
   private final String host;
   private final int port;
@@ -76,8 +78,11 @@ public class NonStreamingRecognizeClient {
   private final ManagedChannel channel;
   private final SpeechGrpc.SpeechBlockingStub blockingStub;
 
-  /** Construct client connecting to Cloud Speech server at {@code host:port}. */
-  public NonStreamingRecognizeClient(String host, int port, String file, int samplingRate) throws IOException {
+  /**
+   * Construct client connecting to Cloud Speech server at {@code host:port}.
+   */
+  public NonStreamingRecognizeClient(String host, int port, String file, int samplingRate)
+      throws IOException {
     this.host = host;
     this.port = port;
     this.file = file;
@@ -134,7 +139,7 @@ public void recognize() {
 
   public static void main(String[] args) throws Exception {
 
-    String audio_file = "";
+    String audioFile = "";
     String host = "speech.googleapis.com";
     Integer port = 443;
     Integer sampling = 16000;
@@ -166,7 +171,7 @@ public static void main(String[] args) throws Exception {
     try {
       CommandLine line = parser.parse(options, args);
       if (line.hasOption("file")) {
-        audio_file = line.getOptionValue("file");
+        audioFile = line.getOptionValue("file");
       } else {
         System.err.println("An Audio file path must be specified (e.g. /foo/baz.raw).");
         System.exit(1);
@@ -192,14 +197,13 @@ public static void main(String[] args) throws Exception {
         System.err.println("An Audio sampling rate must be specified.");
         System.exit(1);
       }
-    }
-    catch (ParseException exp) {
+    } catch (ParseException exp) {
       System.err.println("Unexpected exception:" + exp.getMessage());
       System.exit(1);
     }
 
     NonStreamingRecognizeClient client =
-        new NonStreamingRecognizeClient(host, port, audio_file, sampling);
+        new NonStreamingRecognizeClient(host, port, audioFile, sampling);
     try {
       client.recognize();
     } finally {

speech/grpc/src/main/java/com/google/cloud/speech/grpc/demos/RecognizeClient.java

@@ -34,12 +34,21 @@
 import com.google.cloud.speech.v1.SpeechGrpc;
 import com.google.protobuf.ByteString;
 import com.google.protobuf.TextFormat;
+
 import io.grpc.ManagedChannel;
 import io.grpc.Status;
 import io.grpc.auth.ClientAuthInterceptor;
 import io.grpc.netty.NegotiationType;
 import io.grpc.netty.NettyChannelBuilder;
 import io.grpc.stub.StreamObserver;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.CommandLineParser;
+import org.apache.commons.cli.DefaultParser;
+import org.apache.commons.cli.OptionBuilder;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.ParseException;
+
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
@@ -50,13 +59,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import org.apache.commons.cli.CommandLine;
-import org.apache.commons.cli.CommandLineParser;
-import org.apache.commons.cli.DefaultParser;
-import org.apache.commons.cli.Options;
-import org.apache.commons.cli.OptionBuilder;
-import org.apache.commons.cli.ParseException;
-
 
 /**
  * Client that sends streaming audio to Speech.Recognize and returns streaming transcript.
@@ -78,7 +80,9 @@ public class RecognizeClient {
   private static final List<String> OAUTH2_SCOPES =
       Arrays.asList("https://www.googleapis.com/auth/xapi.zoo");
 
-  /** Construct client connecting to Cloud Speech server at {@code host:port}. */
+  /**
+   * Construct client connecting to Cloud Speech server at {@code host:port}.
+   */
   public RecognizeClient(String host, int port, String file, int samplingRate) throws IOException {
     this.host = host;
     this.port = port;
@@ -109,8 +113,8 @@ public void onNext(RecognizeResponse response) {
       }
 
       @Override
-      public void onError(Throwable t) {
-        Status status = Status.fromThrowable(t);
+      public void onError(Throwable error) {
+        Status status = Status.fromThrowable(error);
         logger.log(Level.WARNING, "recognize failed: {0}", status);
         finishLatch.countDown();
       }
@@ -169,7 +173,7 @@ public void onCompleted() {
 
   public static void main(String[] args) throws Exception {
 
-    String audio_file = "";
+    String audioFile = "";
     String host = "speech.googleapis.com";
     Integer port = 443;
     Integer sampling = 16000;
@@ -201,7 +205,7 @@ public static void main(String[] args) throws Exception {
     try {
       CommandLine line = parser.parse(options, args);
       if (line.hasOption("file")) {
-        audio_file = line.getOptionValue("file");
+        audioFile = line.getOptionValue("file");
       } else {
         System.err.println("An Audio file must be specified (e.g. /foo/baz.raw).");
         System.exit(1);
@@ -233,7 +237,7 @@ public static void main(String[] args) throws Exception {
     }
 
     RecognizeClient client =
-        new RecognizeClient(host, port, audio_file, sampling);
+        new RecognizeClient(host, port, audioFile, sampling);
     try {
       client.recognize();
     } finally {