添加阿里云音频识别demo

amos-boot-utils/amos-boot-utils-speech/src/main/java/com/yeejoin/amos/speech/util/AppNslClient.java

+package com.yeejoin.amos.speech.util;
+
+import com.alibaba.nls.client.AccessToken;
+import com.alibaba.nls.client.protocol.NlsClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+
+import static com.yeejoin.amos.speech.util.SpeechConfig.AccessKeId;
+import static com.yeejoin.amos.speech.util.SpeechConfig.AccessKeySecret;
+
+
+/**
+ * 阿里云nlsClient语音识别客户端
+ * 应用全局创建一个NlsClient实例，默认服务地址为阿里云线上服务地址,默认值：wss://nls-gateway.cn-shanghai.aliyuncs.com/ws/v1
+ */
+public class AppNslClient {
+    private static final Logger logger = LoggerFactory.getLogger(AppNslClientToken.class);
+    private volatile static NlsClient nlsClient;
+
+    private AppNslClient() {
+    }
+
+    public static NlsClient instance() {
+        if (nlsClient == null) {
+            synchronized (NlsClient.class) {
+                if (nlsClient == null) {
+                    logger.warn("AppNslClient语音识别客户端为空，开始创建...");
+                    nlsClient = new NlsClient(AppNslClientToken.instance().getToken());
+                    return nlsClient;
+                }
+            }
+        }
+        //设置访问token
+        nlsClient.setToken(AppNslClientToken.instance().getToken());
+        return nlsClient;
+    }
+
+}
+
+/**
+ * AppNslClientToken
+ */
+class AppNslClientToken {
+    private static final Logger logger = LoggerFactory.getLogger(AppNslClientToken.class);
+    private volatile static AccessToken accessToken;
+    private static long getTokenTime;
+
+    private AppNslClientToken() {
+    }
+
+    public static AccessToken instance() {
+        if (accessToken == null) {
+            synchronized (NlsClient.class) {
+                if (accessToken == null) {
+                    logger.warn("token为空，开始获取token...");
+                    accessToken = getAccessToken();
+                    getTokenTime = System.currentTimeMillis();
+                }
+            }
+        }
+        //token过期自更新
+        if (getTokenTime + accessToken.getExpireTime() <= System.currentTimeMillis()) {
+            logger.warn("token已过期，开始重新获取...");
+            accessToken = getAccessToken();
+            getTokenTime = System.currentTimeMillis();
+        } else {
+            long time = getTokenTime + accessToken.getExpireTime() - System.currentTimeMillis();
+            logger.warn("token过期还剩：" + "(" + time / (1000 * 60 * 60 * 24) + "天)");
+        }
+        return accessToken;
+    }
+
+    /**
+     * 获取访问Token,包含token和过期时间（2021-11-30测试Token过期时间为18天）
+     * 集成项目中，token放到缓存中，避免多次获取可能导致已进行的任务token失效
+     *
+     * @return token 访问token
+     */
+    private static AccessToken getAccessToken() {
+        AccessToken accessToken = new AccessToken(AccessKeId, AccessKeySecret);
+        try {
+            accessToken.apply();
+            logger.warn("获取到最新的token: " + accessToken.getToken() + ", 过期时间: " + accessToken.getExpireTime() + "(" + accessToken.getExpireTime() / (1000 * 60 * 60 * 24) + "天)");
+            return accessToken;
+        } catch (IOException e) {
+            logger.error("获取语音识别客户端token失败！原因：" + e.getMessage());
+            throw new RuntimeException("获取语音识别客户端token失败！原因：" + e.getMessage());
+        }
+    }
+}

amos-boot-utils/amos-boot-utils-speech/src/main/java/com/yeejoin/amos/speech/util/HttpUtil.java

@@ -22,13 +22,7 @@ public class HttpUtil {
             .build();
 
     public static String sendPostFile(String url, HashMap<String, String> headers, File speechFile) {
-        RequestBody body;
-        if (!speechFile.isFile()) {
-            System.err.println("The filePath is not a file: " + speechFile.getPath());
-            return null;
-        } else {
-            body = RequestBody.create(MediaType.parse("application/octet-stream"), speechFile);
-        }
+        RequestBody body = RequestBody.create(MediaType.parse("application/octet-stream"), speechFile);
         Headers.Builder hb = new Headers.Builder();
         if (headers != null && !headers.isEmpty()) {
             for (Map.Entry<String, String> entry : headers.entrySet()) {

amos-boot-utils/amos-boot-utils-speech/src/main/java/com/yeejoin/amos/speech/util/SpeechUtil.java → amos-boot-utils/amos-boot-utils-speech/src/main/java/com/yeejoin/amos/speech/util/SpeechConfig.java

 package com.yeejoin.amos.speech.util;
 
-import com.alibaba.nls.client.AccessToken;
-
-import java.io.IOException;
-
 /**
  * 阿里云语音识别
  * <p>
@@ -23,23 +19,12 @@ import java.io.IOException;
  * 商用版按每自然日使用量计费，无免费额度，不使用则不产生费用。北京时间每日24时，系统将自动对当日用量进行全量计算并计费，账单生成将稍有延迟。
  * 开通商用版后，不建议再次降配为试用版。商用版降配试用版后，可用并发数将置为0，服务将无法继续使用。
  */
-public class SpeechUtil {
+public class SpeechConfig {
     /**
-     * 测试信息
+     * 测试信息,可在阿里云上配置
      */
     public static final String AccessKeId = "LTAI5t7mGN6dYoCwMdKiLTgt";
     public static final String AccessKeySecret = "0LYdEnvKzQxBg0lpIahDp5rzB2r4Dp";
     public static final String AppKey = "EG5fJBBIqkNMj6bM";
 
-    /**
-     * 获取访问Token（测试Token过期时间为18天）
-     *
-     * @return token
-     */
-    public static String getToken() throws IOException {
-        AccessToken accessToken = new AccessToken(AccessKeId, AccessKeySecret);
-        accessToken.apply();
-        System.out.println("get token: " + accessToken.getToken() + ", expire time: " + accessToken.getExpireTime());
-        return accessToken.getToken();
-    }
 }

amos-boot-utils/amos-boot-utils-speech/src/main/java/com/yeejoin/amos/speech/util/SpeechFlashRecognizerDemo.java

@@ -29,11 +29,7 @@ public class SpeechFlashRecognizerDemo {
         String format = "mp3";
         int sampleRate = 16000;
         SpeechFlashRecognizerDemo demo = new SpeechFlashRecognizerDemo(new File(fileName));
-        try {
-            demo.process(SpeechUtil.getToken(), format, sampleRate);
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
+        demo.process(AppNslClientToken.instance().getToken(), format, sampleRate);
     }
 
     public SpeechFlashRecognizerDemo(File speechFile) {
@@ -49,7 +45,7 @@ public class SpeechFlashRecognizerDemo {
      */
     public void process(String token, String format, int sampleRate) {
         String request = "https://nls-gateway.cn-shanghai.aliyuncs.com/stream/v1/FlashRecognizer";
-        request = request + "?appkey=" + SpeechUtil.AppKey;
+        request = request + "?appkey=" + SpeechConfig.AppKey;
         request = request + "&token=" + token;
         request = request + "&format=" + format;
         request = request + "&sample_rate=" + sampleRate;

amos-boot-utils/amos-boot-utils-speech/src/main/java/com/yeejoin/amos/speech/util/SpeechRecognizerDemo.java

@@ -88,7 +88,7 @@ public class SpeechRecognizerDemo {
             e.printStackTrace();
         }
         // 创建DefaultAcsClient实例并初始化
-        DefaultProfile profile = DefaultProfile.getProfile(REGIONID, SpeechUtil.AccessKeId, SpeechUtil.AccessKeySecret);
+        DefaultProfile profile = DefaultProfile.getProfile(REGIONID, SpeechConfig.AccessKeId, SpeechConfig.AccessKeySecret);
         this.client = new DefaultAcsClient(profile);
     }
 
@@ -113,7 +113,7 @@ public class SpeechRecognizerDemo {
          */
         JSONObject taskObject = new JSONObject();
         // 设置appkey
-        taskObject.put(KEY_APP_KEY, SpeechUtil.AppKey);
+        taskObject.put(KEY_APP_KEY, SpeechConfig.AppKey);
         // 设置音频文件访问链接
         taskObject.put(KEY_FILE_LINK, fileLink);
         // 新接入请使用4.0版本，已接入（默认2.0）如需维持现状，请注释掉该参数设置。