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// 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.xcode.xcodegen;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.devtools.build.xcode.util.Value;
import com.facebook.buck.apple.xcode.xcodeproj.PBXFileReference;
import com.facebook.buck.apple.xcode.xcodeproj.PBXReference.SourceTree;
import java.io.File;
/**
* Contains data similar to {@link PBXFileReference}, but is actually a value type, with working
* {@link #equals(Object)} and {@link #hashCode()} methods.
* <p>
* TODO(bazel-team): Consider just adding equals and hashCode methods to PBXFileReference. This may
* not be as straight-forward as it sounds, since the Xcodeproj serialization logic and all related
* classes are based on identity equality semantics.
*/
public class FileReference extends Value<FileReference> {
private final String name;
private final Optional<String> path;
private final SourceTree sourceTree;
private final Optional<String> explicitFileType;
@VisibleForTesting
FileReference(
String name,
Optional<String> path,
SourceTree sourceTree,
Optional<String> explicitFileType) {
super(name, path, sourceTree, explicitFileType);
this.name = name;
this.path = path;
this.sourceTree = sourceTree;
this.explicitFileType = explicitFileType;
}
public String name() {
return name;
}
public Optional<String> path() {
return path;
}
public SourceTree sourceTree() {
return sourceTree;
}
public Optional<String> explicitFileType() {
return explicitFileType;
}
/**
* Returns an instance whose name is the base name of the path.
*/
public static FileReference of(String path, SourceTree sourceTree) {
return new FileReference(
new File(path).getName(),
Optional.of(path),
sourceTree,
Optional.<String>absent());
}
/**
* Returns an instance with a path and without an {@link #explicitFileType()}.
*/
public static FileReference of(String name, String path, SourceTree sourceTree) {
return new FileReference(
name, Optional.of(path), sourceTree, Optional.<String>absent());
}
/**
* Returns an instance equivalent to this one, but with {@link #explicitFileType()} set to the
* given value. This instance should not already have a value set for {@link #explicitFileType()}.
*/
public FileReference withExplicitFileType(String explicitFileType) {
Preconditions.checkState(!explicitFileType().isPresent(),
"should not already have explicitFileType: %s", this);
return new FileReference(name(), path(), sourceTree(), Optional.of(explicitFileType));
}
}
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