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- renamed support to service (as it is an HttpService) - added support for single file static content handler for file system (works on classpath)
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88 changes: 88 additions & 0 deletions
88
...ntent/src/main/java/io/helidon/nima/webserver/staticcontent/SingleFileContentHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| * Copyright (c) 2023 Oracle and/or its affiliates. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package io.helidon.nima.webserver.staticcontent; | ||
|
|
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| import java.io.IOException; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.util.Optional; | ||
|
|
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| import io.helidon.common.http.Http; | ||
| import io.helidon.common.http.ServerResponseHeaders; | ||
| import io.helidon.nima.webserver.http.ServerRequest; | ||
| import io.helidon.nima.webserver.http.ServerResponse; | ||
|
|
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| class SingleFileContentHandler extends FileBasedContentHandler { | ||
| private static final System.Logger LOGGER = System.getLogger(SingleFileContentHandler.class.getName()); | ||
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| private final boolean cacheInMemory; | ||
| private final Path path; | ||
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| SingleFileContentHandler(FileSystemBuilder builder) { | ||
| super(builder); | ||
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| this.cacheInMemory = builder.cacheInMemory().contains(".") || builder.cacheInMemory().contains("/"); | ||
| this.path = builder.root().toAbsolutePath().normalize(); | ||
| } | ||
|
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| @Override | ||
| public void beforeStart() { | ||
| try { | ||
| if (cacheInMemory) { | ||
| // directly cache in memory | ||
| byte[] fileBytes = Files.readAllBytes(path); | ||
| cacheInMemory(".", detectType(fileName(path)), fileBytes, lastModified(path)); | ||
| } else { | ||
| // cache a handler that loads it from file system | ||
| cacheFileHandler(); | ||
| } | ||
| } catch (IOException e) { | ||
| LOGGER.log(System.Logger.Level.WARNING, "Failed to add file to in-memory cache, path: " + path, e); | ||
| } | ||
| super.beforeStart(); | ||
| } | ||
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| @Override | ||
| boolean doHandle(Http.Method method, String requestedPath, ServerRequest req, ServerResponse res) throws IOException { | ||
| if ("".equals(requestedPath) || "/".equals(requestedPath)) { | ||
| Optional<CachedHandler> cachedHandler = cacheHandler("."); | ||
| if (cachedHandler.isPresent()) { | ||
| return cachedHandler.get().handle(handlerCache(), method, req, res, requestedPath); | ||
| } | ||
| return doHandle(method, req, res); | ||
| } | ||
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| if (LOGGER.isLoggable(System.Logger.Level.DEBUG)) { | ||
| LOGGER.log(System.Logger.Level.DEBUG, "Requested sub-path for a single file static content: " + requestedPath); | ||
| } | ||
| return false; | ||
| } | ||
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| private boolean doHandle(Http.Method method, ServerRequest req, ServerResponse res) throws IOException { | ||
| return cacheFileHandler().handle(handlerCache(), method, req, res, "."); | ||
| } | ||
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| private CachedHandler cacheFileHandler() { | ||
| CachedHandler handler = new CachedHandlerPath(path, | ||
| detectType(fileName(path)), | ||
| FileBasedContentHandler::lastModified, | ||
| ServerResponseHeaders::lastModified); | ||
| cacheHandler(".", handler); | ||
|
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| return handler; | ||
| } | ||
| } |
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