package main.java.parser;

import com.github.javaparser.JavaParser;

import com.github.javaparser.ParseResult;

import com.github.javaparser.ast.CompilationUnit;

import main.java.config.Configuration;

import main.java.analysis.AnalysisResult;

import main.java.analysis.Analyzer;

import java.io.File;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.util.Optional;

public class Parser {

public AnalysisResult parseAndAnalyze(String source, Configuration config) throws IOException {

new JavaParser();

AnalysisResult result = new AnalysisResult();

Files.walk(Paths.get(source))

.filter(Files::isRegularFile)

.filter(path -> path.toString().endsWith(".java"))

.forEach(path -> {

try {

// Parse the file and get the ParseResult

ParseResult<CompilationUnit> parseResult = JavaParser.parse(new File(path.toString()));

// Extract the CompilationUnit from the ParseResult

Optional<CompilationUnit> cuOptional = parseResult.getResult();

if (cuOptional.isPresent()) {

CompilationUnit cu = cuOptional.get();

// Perform analysis

Analyzer analyzer = new Analyzer(config);

result.merge(analyzer.analyze(cu));

} else {

System.err.println("Could not parse: " + path);

}

} catch (IOException e) {

e.printStackTrace();

}

});

return result;

}

}