| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // 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.google.devtools.build.lib.vfs.inmemoryfs; |
| |
| import com.google.devtools.build.lib.clock.Clock; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| |
| /** |
| * This interface represents a symbolic link to an absolute or relative path, stored in an |
| * InMemoryFileSystem. |
| */ |
| @ThreadSafe |
| @Immutable |
| final class InMemoryLinkInfo extends InMemoryContentInfo { |
| |
| private final PathFragment linkContent; |
| private final PathFragment normalizedLinkContent; |
| |
| InMemoryLinkInfo(Clock clock, PathFragment linkContent) { |
| super(clock); |
| this.linkContent = linkContent; |
| this.normalizedLinkContent = linkContent; |
| } |
| |
| @Override |
| public boolean isDirectory() { |
| return false; |
| } |
| |
| @Override |
| public boolean isSymbolicLink() { |
| return true; |
| } |
| |
| @Override |
| public boolean isFile() { |
| return false; |
| } |
| |
| @Override |
| public boolean isSpecialFile() { |
| return false; |
| } |
| |
| @Override |
| public long getSize() { |
| return linkContent.getSafePathString().length(); |
| } |
| |
| /** |
| * Returns the content of the symbolic link. |
| */ |
| PathFragment getLinkContent() { |
| return linkContent; |
| } |
| |
| /** |
| * Returns the content of the symbolic link, with ".." and "." removed |
| * (except for the possibility of necessary ".." segments at the beginning). |
| */ |
| PathFragment getNormalizedLinkContent() { |
| return normalizedLinkContent; |
| } |
| |
| @Override |
| public String toString() { |
| return super.toString() + " -> " + linkContent; |
| } |
| } |