Add Kotlin and Java API for homophone replacer (#2166)

* Add Kotlin API for homonphone replacer

* Add Java API for homonphone replacer

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

@@ -0,0 +1,56 @@
+// Copyright 2025 Xiaomi Corporation
+
+package com.k2fsa.sherpa.onnx;
+
+public class HomophoneReplacerConfig {
+    private final String dictDir;
+    private final String lexicon;
+    private final String ruleFsts;
+
+    private HomophoneReplacerConfig(Builder builder) {
+        this.dictDir = builder.dictDir;
+        this.lexicon = builder.lexicon;
+        this.ruleFsts = builder.ruleFsts;
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public String getDictDir() {
+        return dictDir;
+    }
+
+    public String getLexicon() {
+        return lexicon;
+    }
+
+    public String getRuleFsts() {
+        return ruleFsts;
+    }
+
+    public static class Builder {
+        private String dictDir = "";
+        private String lexicon = "";
+        private String ruleFsts = "";
+
+        public HomophoneReplacerConfig build() {
+            return new HomophoneReplacerConfig(this);
+        }
+
+        public Builder setDictDir(String dictDir) {
+            this.dictDir = dictDir;
+            return this;
+        }
+
+        public Builder setLexicon(String lexicon) {
+            this.lexicon = lexicon;
+            return this;
+        }
+
+        public Builder setRuleFsts(String ruleFsts) {
+            this.ruleFsts = ruleFsts;
+            return this;
+        }
+    }
+}

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

@@ -5,6 +5,7 @@ package com.k2fsa.sherpa.onnx;
 public class OfflineRecognizerConfig {
     private final FeatureConfig featConfig;
     private final OfflineModelConfig modelConfig;
+    private final HomophoneReplacerConfig hr;
     private final String decodingMethod;
     private final int maxActivePaths;
     private final String hotwordsFile;
@@ -16,6 +17,7 @@ public class OfflineRecognizerConfig {
     private OfflineRecognizerConfig(Builder builder) {
         this.featConfig = builder.featConfig;
         this.modelConfig = builder.modelConfig;
+        this.hr = builder.hr;
         this.decodingMethod = builder.decodingMethod;
         this.maxActivePaths = builder.maxActivePaths;
         this.hotwordsFile = builder.hotwordsFile;
@@ -36,6 +38,7 @@ public class OfflineRecognizerConfig {
     public static class Builder {
         private FeatureConfig featConfig = FeatureConfig.builder().build();
         private OfflineModelConfig modelConfig = OfflineModelConfig.builder().build();
+        private HomophoneReplacerConfig hr = HomophoneReplacerConfig.builder().build();
         private String decodingMethod = "greedy_search";
         private int maxActivePaths = 4;
         private String hotwordsFile = "";
@@ -58,6 +61,11 @@ public class OfflineRecognizerConfig {
             return this;
         }
 
+        public Builder setHr(HomophoneReplacerConfig hr) {
+            this.hr = hr;
+            return this;
+        }
+
         public Builder setDecodingMethod(String decodingMethod) {
             this.decodingMethod = decodingMethod;
             return this;

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

@@ -10,6 +10,7 @@ public class OnlineRecognizerConfig {
 
     private final OnlineCtcFstDecoderConfig ctcFstDecoderConfig;
     private final EndpointConfig endpointConfig;
+    private final HomophoneReplacerConfig hr;
     private final boolean enableEndpoint;
     private final String decodingMethod;
     private final int maxActivePaths;
@@ -25,6 +26,7 @@ public class OnlineRecognizerConfig {
         this.lmConfig = builder.lmConfig;
         this.ctcFstDecoderConfig = builder.ctcFstDecoderConfig;
         this.endpointConfig = builder.endpointConfig;
+        this.hr = builder.hr;
         this.enableEndpoint = builder.enableEndpoint;
         this.decodingMethod = builder.decodingMethod;
         this.maxActivePaths = builder.maxActivePaths;
@@ -49,6 +51,7 @@ public class OnlineRecognizerConfig {
         private OnlineLMConfig lmConfig = OnlineLMConfig.builder().build();
         private OnlineCtcFstDecoderConfig ctcFstDecoderConfig = OnlineCtcFstDecoderConfig.builder().build();
         private EndpointConfig endpointConfig = EndpointConfig.builder().build();
+        private HomophoneReplacerConfig hr = HomophoneReplacerConfig.builder().build();
         private boolean enableEndpoint = true;
         private String decodingMethod = "greedy_search";
         private int maxActivePaths = 4;
@@ -87,6 +90,11 @@ public class OnlineRecognizerConfig {
             return this;
         }
 
+        public Builder setHr(HomophoneReplacerConfig hr) {
+            this.hr = hr;
+            return this;
+        }
+
         public Builder setEnableEndpoint(boolean enableEndpoint) {
             this.enableEndpoint = enableEndpoint;
             return this;