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- /*
- * Copyright 2011 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
- package com.vaadin.server;
-
- import java.io.IOException;
- import java.util.regex.Matcher;
- import java.util.regex.Pattern;
-
- import javax.servlet.http.HttpServletResponse;
-
- import com.vaadin.Application;
-
- public class ApplicationResourceHandler implements RequestHandler {
- private static final Pattern APP_RESOURCE_PATTERN = Pattern
- .compile("^/?APP/(\\d+)/.*");
-
- @Override
- public boolean handleRequest(Application application,
- WrappedRequest request, WrappedResponse response)
- throws IOException {
- // Check for application resources
- String requestPath = request.getRequestPathInfo();
- if (requestPath == null) {
- return false;
- }
- Matcher resourceMatcher = APP_RESOURCE_PATTERN.matcher(requestPath);
-
- if (resourceMatcher.matches()) {
- ApplicationResource resource = application
- .getResource(resourceMatcher.group(1));
- if (resource != null) {
- DownloadStream stream = resource.getStream();
- if (stream != null) {
- stream.setCacheTime(resource.getCacheTime());
- stream.writeTo(response);
- return true;
- }
- }
- // We get here if the url looks like an application resource but no
- // resource can be served
- response.sendError(HttpServletResponse.SC_NOT_FOUND,
- request.getRequestPathInfo() + " can not be found");
- return true;
- }
-
- return false;
- }
- }
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