Examples with Filter com.puppycrawl.tools.checkstyle.api.Filter used on opensource projects

Example 1 with Filter

use of com.puppycrawl.tools.checkstyle.api.Filter in project checkstyle by checkstyle.

the class Checker method process.

@Override
public int process(List<File> files) throws CheckstyleException {
    if (cacheFile != null) {
        cacheFile.putExternalResources(getExternalResourceLocations());
    }
    // Prepare to start
    fireAuditStarted();
    for (final FileSetCheck fsc : fileSetChecks) {
        fsc.beginProcessing(charset);
    }
    final List<File> targetFiles = files.stream().filter(file -> CommonUtil.matchesFileExtension(file, fileExtensions)).collect(Collectors.toList());
    processFiles(targetFiles);
    // Finish up
    // It may also log!!!
    fileSetChecks.forEach(FileSetCheck::finishProcessing);
    // It may also log!!!
    fileSetChecks.forEach(FileSetCheck::destroy);
    final int errorCount = counter.getCount();
    fireAuditFinished();
    return errorCount;
}

Example 2 with Filter

use of com.puppycrawl.tools.checkstyle.api.Filter in project checkstyle by checkstyle.

the class Checker method setupChild.

/**
 * {@inheritDoc} Creates child module.
 *
 * @noinspection ChainOfInstanceofChecks
 */
@Override
protected void setupChild(Configuration childConf) throws CheckstyleException {
    final String name = childConf.getName();
    final Object child;
    try {
        child = moduleFactory.createModule(name);
        if (child instanceof AutomaticBean) {
            final AutomaticBean bean = (AutomaticBean) child;
            bean.contextualize(childContext);
            bean.configure(childConf);
        }
    } catch (final CheckstyleException ex) {
        throw new CheckstyleException("cannot initialize module " + name + " - " + ex.getMessage(), ex);
    }
    if (child instanceof FileSetCheck) {
        final FileSetCheck fsc = (FileSetCheck) child;
        fsc.init();
        addFileSetCheck(fsc);
    } else if (child instanceof BeforeExecutionFileFilter) {
        final BeforeExecutionFileFilter filter = (BeforeExecutionFileFilter) child;
        addBeforeExecutionFileFilter(filter);
    } else if (child instanceof Filter) {
        final Filter filter = (Filter) child;
        addFilter(filter);
    } else if (child instanceof AuditListener) {
        final AuditListener listener = (AuditListener) child;
        addListener(listener);
    } else {
        throw new CheckstyleException(name + " is not allowed as a child in Checker");
    }
}

Example 3 with Filter

use of com.puppycrawl.tools.checkstyle.api.Filter in project checkstyle by checkstyle.

the class CheckerTest method testDuplicatedModule.

@Test
public void testDuplicatedModule() throws Exception {
    // we need to test a module with two instances, one with id and the other not
    final DefaultConfiguration moduleConfig1 = createModuleConfig(NewlineAtEndOfFileCheck.class);
    final DefaultConfiguration moduleConfig2 = createModuleConfig(NewlineAtEndOfFileCheck.class);
    moduleConfig2.addProperty("id", "ModuleId");
    final DefaultConfiguration root = new DefaultConfiguration("root");
    root.addChild(moduleConfig1);
    root.addChild(moduleConfig2);
    final Checker checker = new Checker();
    checker.setModuleClassLoader(Thread.currentThread().getContextClassLoader());
    checker.configure(root);
    // BriefUtLogger does not print the module name or id postfix,
    // so we need to set logger manually
    final ByteArrayOutputStream out = TestUtil.getInternalState(this, "stream");
    final DefaultLogger logger = new DefaultLogger(out, OutputStreamOptions.CLOSE, out, OutputStreamOptions.NONE, new AuditEventDefaultFormatter());
    checker.addListener(logger);
    final String path = File.createTempFile("file", ".java", temporaryFolder).getPath();
    final String violationMessage = getCheckMessage(NewlineAtEndOfFileCheck.class, MSG_KEY_NO_NEWLINE_EOF);
    final String[] expected = { "1: " + violationMessage + " [NewlineAtEndOfFile]", "1: " + violationMessage + " [ModuleId]" };
    // super.verify does not work here, for we change the logger
    out.flush();
    final int errs = checker.process(Collections.singletonList(new File(path)));
    try (ByteArrayInputStream inputStream = new ByteArrayInputStream(out.toByteArray());
        LineNumberReader lnr = new LineNumberReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
        // we need to ignore the unrelated lines
        final List<String> actual = lnr.lines().filter(line -> !getCheckMessage(AUDIT_STARTED_MESSAGE).equals(line)).filter(line -> !getCheckMessage(AUDIT_FINISHED_MESSAGE).equals(line)).limit(expected.length).sorted().collect(Collectors.toList());
        Arrays.sort(expected);
        for (int i = 0; i < expected.length; i++) {
            final String expectedResult = "[ERROR] " + path + ":" + expected[i];
            assertWithMessage("error message " + i).that(actual.get(i)).isEqualTo(expectedResult);
        }
        assertWithMessage("unexpected output: " + lnr.readLine()).that(errs).isEqualTo(expected.length);
    }
    checker.destroy();
}