build: switch to Maven configuration for JavaIndexer

java_indexer/src/main/java/com/sourcetrail/SymbolKind.java

@@ -0,0 +1,37 @@
+package com.sourcetrail;
+
+public enum SymbolKind
+{ // these values need to be the same as SymbolKind in C++ code
+	BUILTIN_TYPE(1),
+	CLASS(2),
+	ENUM(3),
+	ENUM_CONSTANT(4),
+	FIELD(5),
+	FUNCTION(6),
+	GLOBAL_VARIABLE(7),
+	INTERFACE(8),
+	LOCAL_VARIABLE(9),
+	MACRO(10),
+	METHOD(11),
+	NAMESPACE(12),
+	PACKAGE(13),
+	PARAMETER(14),
+	STRUCT(15),
+	TEMPLATE_PARAMETER(16),
+	TYPEDEF(17),
+	TYPE_PARAMETER(18),
+	UNION(19),
+	TYPE_MAX(20);
+	
+	private final int m_value;
+	
+    private SymbolKind(int value) 
+    {
+        this.m_value = value;
+    }
+
+    public int getValue() 
+    {
+        return m_value;
+    }
+}