// compile a Java file with the installed javac compiler
public boolean compileFile(String sourceFile) {
boolean compilationResult = true; // no errors
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
if (compiler == null) { // Sterg-SOS why not loaded?
System.out.println(
"ToolProvider.getSystemJavaCompiler: no compiler provided. Unable to compile");
}
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
StringWriter compileWriter = new StringWriter();
List<File> sourceFileList = new ArrayList<File>();
sourceFileList.add(new File(sourceFile));
Iterable<? extends JavaFileObject> compilationUnits =
fileManager.getJavaFileObjectsFromFiles(sourceFileList);
String pathOfFile = sourceFile.substring(0, sourceFile.lastIndexOf(File.separatorChar));
String classpath =
GlobalValues.jarFilePath
+ File.pathSeparatorChar
+ pathOfFile
+ File.pathSeparatorChar
+ ".";
Iterable<String> options = Arrays.asList("-cp", classpath);
CompilationTask task =
compiler.getTask(compileWriter, fileManager, null, options, null, compilationUnits);
boolean compileResult = task.call();
if (compileResult == false) {
compilationResult = false; // compilation errors
JFrame compResultsFrame = new JFrame("Compilation Results");
String diagnString = compileWriter.toString();
JTextArea compResultsArea = new JTextArea(diagnString);
compResultsArea.setFont(new Font("Arial", Font.BOLD, 16));
JPanel compResultsPanel = new JPanel();
compResultsPanel.add(compResultsArea);
compResultsFrame.add(compResultsPanel);
compResultsFrame.setSize(800, 200);
compResultsFrame.setLocation(100, 200);
compResultsFrame.setVisible(true);
int response =
JOptionPane.showOptionDialog(
null,
"File " + sourceFile + " has compilation errors ",
"Edit File? ",
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE,
null,
null,
null);
if (response == JOptionPane.YES_OPTION) { // edit it with scalalabEditor
new scalalabEdit.EditorPaneEdit(sourceFile);
}
}
try {
fileManager.close();
} catch (IOException e) {
}
return compilationResult;
}
