| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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.intellij.openapi.vfs.impl.jar; |
| |
| import com.intellij.openapi.util.Couple; |
| import com.intellij.openapi.vfs.DeprecatedVirtualFileSystem; |
| import com.intellij.openapi.vfs.StandardFileSystems; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * @author yole |
| */ |
| public class CoreJarFileSystem extends DeprecatedVirtualFileSystem { |
| private final Map<String, CoreJarHandler> myHandlers = new HashMap<String, CoreJarHandler>(); |
| |
| @NotNull |
| @Override |
| public String getProtocol() { |
| return StandardFileSystems.JAR_PROTOCOL; |
| } |
| |
| @Override |
| public VirtualFile findFileByPath(@NotNull @NonNls String path) { |
| Couple<String> pair = splitPath(path); |
| return getHandler(pair.first).findFileByPath(pair.second); |
| } |
| |
| @NotNull |
| protected Couple<String> splitPath(@NotNull String path) { |
| int separator = path.indexOf("!/"); |
| if (separator < 0) { |
| throw new IllegalArgumentException("Path in JarFileSystem must contain a separator: " + path); |
| } |
| String localPath = path.substring(0, separator); |
| String pathInJar = path.substring(separator + 2); |
| return Couple.of(localPath, pathInJar); |
| } |
| |
| @NotNull |
| private CoreJarHandler getHandler(String localPath) { |
| CoreJarHandler handler = myHandlers.get(localPath); |
| if (handler == null) { |
| handler = new CoreJarHandler(this, localPath); |
| myHandlers.put(localPath, handler); |
| } |
| return handler; |
| } |
| |
| @Override |
| public void refresh(boolean asynchronous) { } |
| |
| @Override |
| public VirtualFile refreshAndFindFileByPath(@NotNull String path) { |
| return findFileByPath(path); |
| } |
| |
| @Override |
| protected void deleteFile(Object requestor, @NotNull VirtualFile vFile) throws IOException { |
| throw new UnsupportedOperationException("JarFileSystem is read-only"); |
| } |
| |
| @Override |
| protected void moveFile(Object requestor, @NotNull VirtualFile vFile, @NotNull VirtualFile newParent) throws IOException { |
| throw new UnsupportedOperationException("JarFileSystem is read-only"); |
| } |
| |
| @Override |
| protected void renameFile(Object requestor, @NotNull VirtualFile vFile, @NotNull String newName) throws IOException { |
| throw new UnsupportedOperationException("JarFileSystem is read-only"); |
| } |
| |
| @NotNull |
| @Override |
| protected VirtualFile createChildFile(Object requestor, @NotNull VirtualFile vDir, @NotNull String fileName) throws IOException { |
| throw new UnsupportedOperationException("JarFileSystem is read-only"); |
| } |
| |
| @NotNull |
| @Override |
| protected VirtualFile createChildDirectory(Object requestor, @NotNull VirtualFile vDir, @NotNull String dirName) throws IOException { |
| throw new UnsupportedOperationException("JarFileSystem is read-only"); |
| } |
| |
| @NotNull |
| @Override |
| protected VirtualFile copyFile(Object requestor, |
| @NotNull VirtualFile virtualFile, |
| @NotNull VirtualFile newParent, |
| @NotNull String copyName) throws IOException { |
| throw new UnsupportedOperationException("JarFileSystem is read-only"); |
| } |
| } |