Examples with COMPILATION_UNIT com.github.javaparser.ParseStart.COMPILATION_UNIT used on opensource projects

Example 1 with COMPILATION_UNIT

use of com.github.javaparser.ParseStart.COMPILATION_UNIT in project javaparser by javaparser.

the class SourceRoot method parse.

/**
 * Tries to parse all .java files in a package recursively and passes them one by one to the callback. In comparison
 * to the other parse methods, this is much more memory efficient, but saveAll() won't work.
 *
 * @param startPackage files in this package and deeper are parsed. Pass "" to parse all files.
 */
public SourceRoot parse(String startPackage, ParserConfiguration configuration, Callback callback) throws IOException {
    assertNotNull(startPackage);
    assertNotNull(configuration);
    assertNotNull(callback);
    logPackage(startPackage);
    final JavaParser javaParser = new JavaParser(configuration);
    final Path path = packageAbsolutePath(root, startPackage);
    Files.walkFileTree(path, new SimpleFileVisitor<Path>() {

        @Override
        public FileVisitResult visitFile(Path absolutePath, BasicFileAttributes attrs) throws IOException {
            if (!attrs.isDirectory() && absolutePath.toString().endsWith(".java")) {
                Path localPath = root.relativize(absolutePath);
                Log.trace("Parsing %s", localPath);
                final ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider(absolutePath));
                result.getResult().ifPresent(cu -> cu.setStorage(absolutePath));
                if (callback.process(localPath, absolutePath, result) == SAVE) {
                    if (result.getResult().isPresent()) {
                        save(result.getResult().get(), path);
                    }
                }
            }
            return CONTINUE;
        }

        @Override
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            return isSensibleDirectoryToEnter(dir) ? CONTINUE : SKIP_SUBTREE;
        }
    });
    return this;
}