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// Copyright 2014 Google Inc. 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.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.util.Clock;
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
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.normalize();
}
@Override
public boolean isDirectory() {
return false;
}
@Override
public boolean isSymbolicLink() {
return true;
}
@Override
public boolean isFile() {
return false;
}
@Override
public long getSize() {
return linkContent.toString().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;
}
}
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