adding french localization matcher

app-core/src/main/java/com/mercury/platform/core/utils/interceptor/plain/FrenchIncLocalizationMatcher.java

@@ -0,0 +1,20 @@
+package com.mercury.platform.core.utils.interceptor.plain;
+
+import org.apache.commons.lang3.StringUtils;
+
+public class FrenchIncLocalizationMatcher extends LocalizationMatcher {
+    @Override
+    public boolean isSuitableFor(String message) {
+        return message.contains("@De");
+    }
+
+    @Override
+    public boolean isIncoming() {
+        return true;
+    }
+
+    @Override
+    public String trimString(String message) {
+        return StringUtils.substringAfter(message, "@De ");
+    }
+}

app-core/src/main/java/com/mercury/platform/core/utils/interceptor/plain/FrenchOutLocalizationMatcher.java

@@ -0,0 +1,20 @@
+package com.mercury.platform.core.utils.interceptor.plain;
+
+import org.apache.commons.lang3.StringUtils;
+
+public class FrenchOutLocalizationMatcher extends LocalizationMatcher {
+    @Override
+    public boolean isSuitableFor(String message) {
+        return message.contains("@À");
+    }
+
+    @Override
+    public boolean isIncoming() {
+        return false;
+    }
+
+    @Override
+    public String trimString(String message) {
+        return StringUtils.substringAfter(message, "@À ");
+    }
+}