base.compilations.JavaCompilation.java Source code

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Here is the source code for base.compilations.JavaCompilation.java

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/*
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 * and open the template in the editor.
 */
package base.compilations;

import helpers.CompilationError;
import interfaces.Compilation;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.lang3.StringUtils;

/**
 *
 * @author Dato
 */
public class JavaCompilation extends Compilation {

    public JavaCompilation() {
        compilatorPath = "javac";
        fileExtention = ".java";
    }

    @Override
    protected void writeUserCodeInto(File file, String code) throws IOException {
        try (OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(file),
                StandardCharsets.UTF_8)) {
            writer.write(code);
            writer.flush();
        }
    }

    @Override
    protected List<CompilationError> processStream(InputStream stream) throws IOException {
        System.out.println("stream: " + stream.available());

        List<CompilationError> errors = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(stream))) {
            int partsCount = 2;
            int count = 0;
            String colonSymbol = ":";
            String fileExtKeyWord = fileExtention + colonSymbol;
            String errorKeyWord = "error" + colonSymbol;
            String line;
            while ((line = reader.readLine()) != null) {
                if (count > 0) {
                    CompilationError error = errors.get(errors.size() - 1);
                    error.setCode(error.getCode() + line + "\n");
                    count--;
                } else if (line.contains(fileExtention) && line.contains(errorKeyWord)) {
                    CompilationError error = new CompilationError();

                    int firstColon = line.indexOf(fileExtKeyWord) + fileExtKeyWord.length();
                    int secondColon = line.indexOf(colonSymbol, firstColon);
                    String lineAsStr = line.substring(firstColon, secondColon);
                    int lineNum = Integer.parseInt(lineAsStr);
                    error.setLine(lineNum);

                    int startingErrorText = line.indexOf(errorKeyWord) + errorKeyWord.length();
                    String errorText = line.substring(startingErrorText);
                    error.setErrorText(errorText);

                    errors.add(error);
                    count = partsCount;
                }
                //                if (count % 3 == 2) {
                //                    CompilationError error = errors.get(errors.size() - 1);
                //                    error.setCode(line);
                //                }
                //                else {
                //                    CompilationError error = errors.get(errors.size() - 1);
                //                    String code = error.getCode() + "\n";
                //                    code += line;
                //                    error.setCode(code);
                //                }
                //                count ++;
            }
        }
        System.out.println("---------------");
        for (CompilationError error : errors) {
            System.out.println(error);
        }
        System.out.println("---------------");
        return errors;
    }

}