sdedic commented on a change in pull request #3214: URL: https://github.com/apache/netbeans/pull/3214#discussion_r726267269
########## File path: java/java.lsp.server/src/org/netbeans/modules/java/lsp/server/URITranslator.java ########## @@ -0,0 +1,183 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.netbeans.modules.java.lsp.server; + +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.URL; +import java.util.LinkedHashMap; +import java.util.Map; +import java.util.Properties; + +import org.openide.filesystems.FileObject; +import org.openide.filesystems.FileUtil; +import org.openide.filesystems.URLMapper; +import org.openide.modules.Places; +import org.openide.util.Exceptions; + +/** + * Translation between NetBeans URIs and LSP URIs. LSP clients might not like + * archive URIs. The archive URIs are translated to plain file URIs from a cache + * directory. + */ +public final class URITranslator { + + private static final URITranslator INSTANCE = new URITranslator(); + + private final Map<String, String> uriFromCacheMap = new LRUCacheMap(); + private final Map<String, String> uriToCacheMap = new LRUCacheMap(); + + public static URITranslator getDefault() { + return INSTANCE; + } + + public synchronized String uriToLSP(String lspUri) { + return uriFromCacheMap.computeIfAbsent(lspUri, uri -> { + URI uriUri = URI.create(uri); + URL url; + try { + url = uriUri.toURL(); + } catch (MalformedURLException ex) { + return uri; + } + if (FileUtil.isArchiveArtifact(url)) { + FileObject file = URLMapper.findFileObject(url); + if (file == null) { + return uri; + } + File cacheDir = getCacheDir(); + cacheDir.mkdirs(); + File segments = new File(cacheDir, "segments"); // NOI18N + Properties props = new Properties(); + + try (InputStream in = new FileInputStream(segments)) { + props.load(in); + } catch (IOException ex) { + //OK, may not exist yet + } + FileObject archive = FileUtil.getArchiveFile(file); + String archiveString = archive.toURL().toString(); + File foundSegment = null; + for (String segment : props.stringPropertyNames()) { + if (archiveString.equals(props.getProperty(segment))) { + foundSegment = new File(cacheDir, segment); + break; + } + } + if (foundSegment == null) { + int i = 0; + while (props.getProperty("s" + i) != null) { // NOI18N + i++; + } + foundSegment = new File(cacheDir, "s" + i); // NOI18N + props.put("s" + i, archiveString); // NOI18N + try (OutputStream in = new FileOutputStream(segments)) { + props.store(in, ""); + } catch (IOException ex) { + Exceptions.printStackTrace(ex); + } + } + File cache = new File(foundSegment, FileUtil.getRelativePath(FileUtil.getArchiveRoot(archive), file)); + cache.getParentFile().mkdirs(); + try (OutputStream out = new FileOutputStream(cache)) { + out.write(file.asBytes()); + return cache.toURI().toString(); + } catch (IOException ex) { + Exceptions.printStackTrace(ex); + } + } + if (uriUri.getScheme().equals("nbfs")) { // NOI18N + FileObject file = URLMapper.findFileObject(url); + if (file == null) { + return uri; + } + try { + String txt = file.asText("UTF-8"); // NOI18N + try (OutputStream os = file.getOutputStream()) { + os.write(txt.getBytes("UTF-8")); // NOI18N Review comment: I guess this is for the config files from the layer ? If so they will materialize in the userdir's config area even though they are only read (not changed) -- is it OK @JaroslavTulach ? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected] For further information about the NetBeans mailing lists, visit: https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists
