Esempio n. 1
0
  public static ActionDefinition reverse(String action, Map<String, Object> args) {

    String encoding =
        Http.Response.current() == null
            ? Play.defaultWebEncoding
            : Http.Response.current().encoding;

    if (action.startsWith("controllers.")) {
      action = action.substring(12);
    }
    Map<String, Object> argsbackup = new HashMap<String, Object>(args);
    // Add routeArgs
    if (Scope.RouteArgs.current() != null) {
      for (String key : Scope.RouteArgs.current().data.keySet()) {
        if (!args.containsKey(key)) {
          args.put(key, Scope.RouteArgs.current().data.get(key));
        }
      }
    }
    for (Route route : routes) {
      if (route.actionPattern != null) {
        Matcher matcher = route.actionPattern.matcher(action);
        if (matcher.matches()) {
          for (String group : route.actionArgs) {
            String v = matcher.group(group);
            if (v == null) {
              continue;
            }
            args.put(group, v.toLowerCase());
          }
          List<String> inPathArgs = new ArrayList<String>(16);
          boolean allRequiredArgsAreHere = true;
          // les noms de parametres matchent ils ?
          for (Route.Arg arg : route.args) {
            inPathArgs.add(arg.name);
            Object value = args.get(arg.name);
            if (value == null) {
              // This is a hack for reverting on hostname that are a regex expression.
              // See [#344] for more into. This is not optimal and should retough. However,
              // it allows us to do things like {(.*}}.domain.com
              String host = route.host.replaceAll("\\{", "").replaceAll("\\}", "");
              if (host.equals(arg.name) || host.matches(arg.name)) {
                args.remove(arg.name);
                route.host = Http.Request.current() == null ? "" : Http.Request.current().domain;
                break;
              } else {
                allRequiredArgsAreHere = false;
                break;
              }
            } else {
              if (value instanceof List<?>) {
                @SuppressWarnings("unchecked")
                List<Object> l = (List<Object>) value;
                value = l.get(0);
              }
              if (!value.toString().startsWith(":") && !arg.constraint.matches(value.toString())) {
                allRequiredArgsAreHere = false;
                break;
              }
            }
          }
          // les parametres codes en dur dans la route matchent-ils ?
          for (String staticKey : route.staticArgs.keySet()) {
            if (staticKey.equals("format")) {
              if (!(Http.Request.current() == null ? "" : Http.Request.current().format)
                  .equals(route.staticArgs.get("format"))) {
                allRequiredArgsAreHere = false;
                break;
              }
              continue; // format is a special key
            }
            if (!args.containsKey(staticKey)
                || (args.get(staticKey) == null)
                || !args.get(staticKey).toString().equals(route.staticArgs.get(staticKey))) {
              allRequiredArgsAreHere = false;
              break;
            }
          }
          if (allRequiredArgsAreHere) {
            StringBuilder queryString = new StringBuilder();
            String path = route.path;
            String host = route.host;
            if (path.endsWith("/?")) {
              path = path.substring(0, path.length() - 2);
            }
            for (Map.Entry<String, Object> entry : args.entrySet()) {
              String key = entry.getKey();
              Object value = entry.getValue();
              if (inPathArgs.contains(key) && value != null) {
                if (List.class.isAssignableFrom(value.getClass())) {
                  @SuppressWarnings("unchecked")
                  List<Object> vals = (List<Object>) value;
                  path =
                      path.replaceAll("\\{(<[^>]+>)?" + key + "\\}", vals.get(0).toString())
                          .replace("$", "\\$");
                } else {
                  path =
                      path.replaceAll(
                          "\\{(<[^>]+>)?" + key + "\\}",
                          value
                              .toString()
                              .replace("$", "\\$")
                              .replace("%3A", ":")
                              .replace("%40", "@"));
                  host =
                      host.replaceAll(
                          "\\{(<[^>]+>)?" + key + "\\}",
                          value
                              .toString()
                              .replace("$", "\\$")
                              .replace("%3A", ":")
                              .replace("%40", "@"));
                }
              } else if (route.staticArgs.containsKey(key)) {
                // Do nothing -> The key is static
              } else if (Scope.RouteArgs.current() != null
                  && Scope.RouteArgs.current().data.containsKey(key)) {
                // Do nothing -> The key is provided in RouteArgs and not used (see #447)
              } else if (value != null) {
                if (List.class.isAssignableFrom(value.getClass())) {
                  @SuppressWarnings("unchecked")
                  List<Object> vals = (List<Object>) value;
                  for (Object object : vals) {
                    try {
                      queryString.append(URLEncoder.encode(key, encoding));
                      queryString.append("=");
                      if (object.toString().startsWith(":")) {
                        queryString.append(object.toString());
                      } else {
                        queryString.append(URLEncoder.encode(object.toString() + "", encoding));
                      }
                      queryString.append("&");
                    } catch (UnsupportedEncodingException ex) {
                    }
                  }
                } else if (value.getClass().equals(Default.class)) {
                  // Skip defaults in queryString
                } else {
                  try {
                    queryString.append(URLEncoder.encode(key, encoding));
                    queryString.append("=");
                    if (value.toString().startsWith(":")) {
                      queryString.append(value.toString());
                    } else {
                      queryString.append(URLEncoder.encode(value.toString() + "", encoding));
                    }
                    queryString.append("&");
                  } catch (UnsupportedEncodingException ex) {
                  }
                }
              }
            }
            String qs = queryString.toString();
            if (qs.endsWith("&")) {
              qs = qs.substring(0, qs.length() - 1);
            }
            ActionDefinition actionDefinition = new ActionDefinition();
            actionDefinition.url = qs.length() == 0 ? path : path + "?" + qs;
            actionDefinition.method =
                route.method == null || route.method.equals("*")
                    ? "GET"
                    : route.method.toUpperCase();
            actionDefinition.star = "*".equals(route.method);
            actionDefinition.action = action;
            actionDefinition.args = argsbackup;
            actionDefinition.host = host;
            return actionDefinition;
          }
        }
      }
    }
    throw new NoRouteFoundException(action, args);
  }
Esempio n. 2
0
  public static void invoke(Http.Request request, Http.Response response) {
    Monitor monitor = null;

    try {

      resolve(request, response);
      Method actionMethod = request.invokedMethod;

      // 1. Prepare request params
      Scope.Params.current().__mergeWith(request.routeArgs);

      // add parameters from the URI query string
      String encoding = Http.Request.current().encoding;
      Scope.Params.current()
          ._mergeWith(
              UrlEncodedParser.parseQueryString(
                  new ByteArrayInputStream(request.querystring.getBytes(encoding))));

      // 2. Easy debugging ...
      if (Play.mode == Play.Mode.DEV) {
        Class<Controller> cclass = Controller.class;
        cclass.getDeclaredField("params").set(null, Scope.Params.current());
        cclass.getDeclaredField("request").set(null, Http.Request.current());
        cclass.getDeclaredField("response").set(null, Http.Response.current());
        cclass.getDeclaredField("session").set(null, Scope.Session.current());
        cclass.getDeclaredField("flash").set(null, Scope.Flash.current());
        cclass.getDeclaredField("renderArgs").set(null, Scope.RenderArgs.current());
        cclass.getDeclaredField("routeArgs").set(null, Scope.RouteArgs.current());
        cclass.getDeclaredField("validation").set(null, Validation.current());
      }

      ControllerInstrumentation.stopActionCall();
      Play.pluginCollection.beforeActionInvocation(actionMethod);

      // Monitoring
      monitor = MonitorFactory.start(request.action + "()");

      // 3. Invoke the action
      try {
        // @Before
        handleBefores(request);

        // Action

        Result actionResult = null;
        String cacheKey = null;

        // Check the cache (only for GET or HEAD)
        if ((request.method.equals("GET") || request.method.equals("HEAD"))
            && actionMethod.isAnnotationPresent(CacheFor.class)) {
          cacheKey = actionMethod.getAnnotation(CacheFor.class).id();
          if ("".equals(cacheKey)) {
            cacheKey = "urlcache:" + request.url + request.querystring;
          }
          actionResult = (Result) play.cache.Cache.get(cacheKey);
        }

        if (actionResult == null) {
          ControllerInstrumentation.initActionCall();
          try {
            inferResult(invokeControllerMethod(actionMethod));
          } catch (Result result) {
            actionResult = result;
            // Cache it if needed
            if (cacheKey != null) {
              play.cache.Cache.set(
                  cacheKey, actionResult, actionMethod.getAnnotation(CacheFor.class).value());
            }
          } catch (InvocationTargetException ex) {
            // It's a Result ? (expected)
            if (ex.getTargetException() instanceof Result) {
              actionResult = (Result) ex.getTargetException();
              // Cache it if needed
              if (cacheKey != null) {
                play.cache.Cache.set(
                    cacheKey, actionResult, actionMethod.getAnnotation(CacheFor.class).value());
              }

            } else {
              // @Catch
              Object[] args = new Object[] {ex.getTargetException()};
              List<Method> catches =
                  Java.findAllAnnotatedMethods(Controller.getControllerClass(), Catch.class);
              ControllerInstrumentation.stopActionCall();
              for (Method mCatch : catches) {
                Class[] exceptions = mCatch.getAnnotation(Catch.class).value();
                if (exceptions.length == 0) {
                  exceptions = new Class[] {Exception.class};
                }
                for (Class exception : exceptions) {
                  if (exception.isInstance(args[0])) {
                    mCatch.setAccessible(true);
                    inferResult(invokeControllerMethod(mCatch, args));
                    break;
                  }
                }
              }

              throw ex;
            }
          }
        }

        // @After
        handleAfters(request);

        monitor.stop();
        monitor = null;

        // OK, re-throw the original action result
        if (actionResult != null) {
          throw actionResult;
        }

        throw new NoResult();

      } catch (IllegalAccessException ex) {
        throw ex;
      } catch (IllegalArgumentException ex) {
        throw ex;
      } catch (InvocationTargetException ex) {
        // It's a Result ? (expected)
        if (ex.getTargetException() instanceof Result) {
          throw (Result) ex.getTargetException();
        }
        // Re-throw the enclosed exception
        if (ex.getTargetException() instanceof PlayException) {
          throw (PlayException) ex.getTargetException();
        }
        StackTraceElement element =
            PlayException.getInterestingStackTraceElement(ex.getTargetException());
        if (element != null) {
          throw new JavaExecutionException(
              Play.classes.getApplicationClass(element.getClassName()),
              element.getLineNumber(),
              ex.getTargetException());
        }
        throw new JavaExecutionException(Http.Request.current().action, ex);
      }

    } catch (Result result) {

      Play.pluginCollection.onActionInvocationResult(result);

      // OK there is a result to apply
      // Save session & flash scope now

      Scope.Session.current().save();
      Scope.Flash.current().save();

      result.apply(request, response);

      Play.pluginCollection.afterActionInvocation();

      // @Finally
      handleFinallies(request, null);

    } catch (PlayException e) {
      handleFinallies(request, e);
      throw e;
    } catch (Throwable e) {
      handleFinallies(request, e);
      throw new UnexpectedException(e);
    } finally {
      Play.pluginCollection.onActionInvocationFinally();

      if (monitor != null) {
        monitor.stop();
      }
    }
  }