| /* |
| * 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.apache.catalina.webresources; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| import java.util.Set; |
| |
| import org.apache.catalina.LifecycleException; |
| import org.apache.catalina.WebResource; |
| import org.apache.catalina.WebResourceRoot; |
| import org.apache.catalina.util.ResourceSet; |
| |
| /** |
| * Represents a {@link org.apache.catalina.WebResourceSet} based on a single |
| * file. |
| */ |
| public class FileResourceSet extends AbstractFileResourceSet { |
| |
| /** |
| * A no argument constructor is required for this to work with the digester. |
| */ |
| public FileResourceSet() { |
| super("/"); |
| } |
| |
| /** |
| * Creates a new {@link org.apache.catalina.WebResourceSet} based on a |
| * file. |
| * |
| * @param root The {@link WebResourceRoot} this new |
| * {@link org.apache.catalina.WebResourceSet} will |
| * be added to. |
| * @param webAppMount The path within the web application at which this |
| * {@link org.apache.catalina.WebResourceSet} will |
| * be mounted. For example, to add a directory of |
| * JARs to a web application, the directory would |
| * be mounted at "WEB-INF/lib/" |
| * @param base The absolute path to the file on the file system |
| * from which the resource will be served. |
| * @param internalPath The path within this new {@link |
| * org.apache.catalina.WebResourceSet} where |
| * resources will be served from. |
| */ |
| public FileResourceSet(WebResourceRoot root, String webAppMount, |
| String base, String internalPath) { |
| super(internalPath); |
| setRoot(root); |
| setWebAppMount(webAppMount); |
| setBase(base); |
| |
| if (getRoot().getState().isAvailable()) { |
| try { |
| start(); |
| } catch (LifecycleException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| } |
| |
| |
| @Override |
| public WebResource getResource(String path) { |
| checkPath(path); |
| |
| String webAppMount = getWebAppMount(); |
| WebResourceRoot root = getRoot(); |
| if (path.equals(webAppMount)) { |
| File f = file("", true); |
| if (f == null) { |
| return new EmptyResource(root, path); |
| } |
| return new FileResource(root, path, f, isReadOnly()); |
| } |
| |
| if (path.charAt(path.length() - 1) != '/') { |
| path = path + '/'; |
| } |
| |
| if (webAppMount.startsWith(path)) { |
| String name = path.substring(0, path.length() - 1); |
| name = name.substring(name.lastIndexOf('/') + 1); |
| if (name.length() > 0) { |
| return new VirtualResource(root, path, name); |
| } |
| } |
| return new EmptyResource(root, path); |
| } |
| |
| @Override |
| public String[] list(String path) { |
| checkPath(path); |
| |
| if (path.charAt(path.length() - 1) != '/') { |
| path = path + '/'; |
| } |
| String webAppMount = getWebAppMount(); |
| |
| if (webAppMount.startsWith(path)) { |
| webAppMount = webAppMount.substring(path.length()); |
| if (webAppMount.equals(getFileBase().getName())) { |
| return new String[] {getFileBase().getName()}; |
| } else { |
| // Virtual directory |
| int i = webAppMount.indexOf('/'); |
| if (i > 0) { |
| return new String[] {webAppMount.substring(0, i)}; |
| } |
| } |
| } |
| |
| return EMPTY_STRING_ARRAY; |
| } |
| |
| @Override |
| public Set<String> listWebAppPaths(String path) { |
| checkPath(path); |
| |
| ResourceSet<String> result = new ResourceSet<>(); |
| |
| if (path.charAt(path.length() - 1) != '/') { |
| path = path + '/'; |
| } |
| String webAppMount = getWebAppMount(); |
| |
| if (webAppMount.startsWith(path)) { |
| webAppMount = webAppMount.substring(path.length()); |
| if (webAppMount.equals(getFileBase().getName())) { |
| result.add(path + getFileBase().getName()); |
| } else { |
| // Virtual directory |
| int i = webAppMount.indexOf('/'); |
| if (i > 0) { |
| result.add(path + webAppMount.substring(0, i + 1)); |
| } |
| } |
| } |
| |
| result.setLocked(true); |
| return result; |
| } |
| |
| @Override |
| public boolean mkdir(String path) { |
| checkPath(path); |
| return false; |
| } |
| |
| @Override |
| public boolean write(String path, InputStream is, boolean overwrite) { |
| checkPath(path); |
| return false; |
| } |
| |
| @Override |
| protected void checkType(File file) { |
| if (file.isFile() == false) { |
| throw new IllegalArgumentException(sm.getString("fileResourceSet.notFile", |
| getBase(), File.separator, getInternalPath())); |
| } |
| } |
| } |