add java wrapper suppport (#117)

sherpa-onnx/java-api/src/com/k2fsa/sherpa/onnx/OnlineRecognizerConfig.java

@@ -0,0 +1,53 @@
+/*
+ * // Copyright 2022-2023 by zhaoming
+ */
+
+package com.k2fsa.sherpa.onnx;
+
+public class OnlineRecognizerConfig {
+  private final FeatureConfig featConfig;
+  private final OnlineTransducerModelConfig modelConfig;
+  private final EndpointConfig endpointConfig;
+  private final boolean enableEndpoint;
+  private final String decodingMethod;
+  private final int maxActivePaths;
+
+  public OnlineRecognizerConfig(
+      FeatureConfig featConfig,
+      OnlineTransducerModelConfig modelConfig,
+      EndpointConfig endpointConfig,
+      boolean enableEndpoint,
+      String decodingMethod,
+      int maxActivePaths) {
+    this.featConfig = featConfig;
+    this.modelConfig = modelConfig;
+    this.endpointConfig = endpointConfig;
+    this.enableEndpoint = enableEndpoint;
+    this.decodingMethod = decodingMethod;
+    this.maxActivePaths = maxActivePaths;
+  }
+
+  public FeatureConfig getFeatConfig() {
+    return featConfig;
+  }
+
+  public OnlineTransducerModelConfig getModelConfig() {
+    return modelConfig;
+  }
+
+  public EndpointConfig getEndpointConfig() {
+    return endpointConfig;
+  }
+
+  public boolean isEnableEndpoint() {
+    return enableEndpoint;
+  }
+
+  public String getDecodingMethod() {
+    return decodingMethod;
+  }
+
+  public int getMaxActivePaths() {
+    return maxActivePaths;
+  }
+}