import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
/**
 * Parse selector into id and classes
 * @param selector in the form of (#id)?(.class)*
 * @return an two element array [id, "space-separated classes"].
 *         Either element could be null.
 * @throws WebAppException when both are null or syntax error.
 */
public static String[] parseSelector(String selector) {
  String[] result = new String[]{null, null};
  Iterable<String> rs = SS.split(selector);
  Iterator<String> it = rs.iterator();
  if (it.hasNext()) {
    String maybeId = it.next();
    if (maybeId.charAt(0) == '#') {
      result[S_ID] = maybeId.substring(1);
      if (it.hasNext()) {
        result[S_CLASS] = SJ.join(Iterables.skip(rs, 1));
      }
    } else {
      result[S_CLASS] = SJ.join(rs);
    }
    return result;
  }
  throw new WebAppException("Error parsing selector: "+ selector);
}
 

import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
@Override
public void render() {
  puts(DOCTYPE);
  render(page().html().meta_http("X-UA-Compatible", "IE=8")
      .meta_http("Content-type", MimeType.HTML));
  if (page().nestLevel() != 0) {
    throw new WebAppException("Error rendering page: nestLevel="+
                              page().nestLevel());
  }
}
 

import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
@Override
public void render() {
  int nestLevel = context().nestLevel();
  LOG.debug("Rendering {} @{}", getClass(), nestLevel);
  render(block());
  if (block.nestLevel() != nestLevel) {
    throw new WebAppException("Error rendering block: nestLevel="+
                              block.nestLevel() +" expected "+ nestLevel);
  }
  context().set(nestLevel, block.wasInline());
}
 

import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
public static <T> Injector testController(Class<? extends Controller> ctrlr,
    String methodName, Class<T> api, T impl, Module... modules) {
  try {
    Injector injector = createMockInjector(api, impl, modules);
    Method method = ctrlr.getMethod(methodName, (Class<?>[])null);
    method.invoke(injector.getInstance(ctrlr), (Object[])null);
    return injector;
  } catch (Exception e) {
    throw new WebAppException(e);
  }
}
 

import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
@Override
public void render() {
  putWithoutEscapeHtml(DOCTYPE);
  render(page().html().meta_http("X-UA-Compatible", "IE=8")
      .meta_http("Content-type", MimeType.HTML));
  if (page().nestLevel() != 0) {
    throw new WebAppException("Error rendering page: nestLevel="+
                              page().nestLevel());
  }
}
 

import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
@Override
public void render() {
  puts(DOCTYPE);
  render(page().html().meta_http("Content-type", MimeType.HTML));
  if (page().nestLevel() != 0) {
    throw new WebAppException("Error rendering page: nestLevel="+
                              page().nestLevel());
  }
}
 

import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
void sendErrorResponse(int sc, String msg, Exception e) {
  if (LOG.isDebugEnabled()) {
    LOG.debug(msg, e);
  }

  try {
    response().sendError(sc, msg);
  } catch (IOException e1) {
    throw new WebAppException(e);
  }
}
 

import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
static void throwUnhandled(String className, Method method) {
  throw new WebAppException("Unhandled " + className + "#" + method);
}
 

import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
@Test(expected=WebAppException.class) public void testShortBlock() {
  WebAppTests.testBlock(ShortBlock.class);
}
 

import org.apache.hadoop.yarn.webapp.WebAppException; //导入依赖的package包/类
@Test(expected=WebAppException.class) public void testShortPage() {
  WebAppTests.testPage(ShortPage.class);
}