build: switch to Maven configuration for JavaIndexer

src/lib_java/data/parser/java/JavaParser.cpp

@@ -13,6 +13,21 @@
 #include "utility/ResourcePaths.h"
 #include "utility/utilityString.h"
 
+std::vector<std::string> JavaParser::getRequiredJarNames()
+{
+	std::vector<std::string> jarNames = {
+		"guava-21.0.jar",
+		"java-indexer.jar",
+		"javaparser-core-3.2.4.jar",
+		"javaslang-2.0.3.jar",
+		"javassist-3.19.0-GA.jar",
+		"java-symbol-solver-core.jar",
+		"java-symbol-solver-logic.jar",
+		"java-symbol-solver-model.jar"
+	};
+	return jarNames;
+}
+
 std::string JavaParser::prepareJavaEnvironment()
 {
 	std::string errorString;
@@ -24,15 +39,22 @@ std::string JavaParser::prepareJavaEnvironment()
 #else
 		const std::string separator = ":";
 #endif
+
+		std::string classPath = "";
+		{
+			const std::vector<std::string> jarNames =  getRequiredJarNames();
+			for (size_t i = 0; i < jarNames.size(); i++)
+			{
+				if (i != 0)
+				{
+					classPath += separator;
+				}
+				classPath += ResourcePaths::getJavaPath().str() + jarNames[i];
+			}
+		}
+
 		JavaEnvironmentFactory::createInstance(
-			ResourcePaths::getJavaPath().str() + "guava-21.0.jar" + separator +
-			ResourcePaths::getJavaPath().str() + "java-indexer.jar" + separator +
-			ResourcePaths::getJavaPath().str() + "javaparser-core.jar" + separator +
-			ResourcePaths::getJavaPath().str() + "javaslang-2.0.3.jar" + separator +
-			ResourcePaths::getJavaPath().str() + "javassist-3.19.0-GA.jar" + separator +
-			ResourcePaths::getJavaPath().str() + "java-symbol-solver-core.jar" + separator +
-			ResourcePaths::getJavaPath().str() + "java-symbol-solver-logic.jar" + separator +
-			ResourcePaths::getJavaPath().str() + "java-symbol-solver-model.jar",
+			classPath,
 			errorString
 		);
 	}

src/lib_java/data/parser/java/JavaParser.h

@@ -31,6 +31,7 @@ class FileRegister;
 class JavaParser: public Parser
 {
 public:
+	static std::vector<std::string> getRequiredJarNames();
 	// returns: error message
 	static std::string prepareJavaEnvironment();
 	static void clearCaches();