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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.packages;
import com.google.devtools.build.lib.syntax.Label;
import javax.annotation.Nullable;
/**
* Exception indicating an attempt to access a target which is not found or does
* not exist.
*/
public class NoSuchTargetException extends NoSuchThingException {
@Nullable private final Label label;
// TODO(bazel-team): rename/refactor this class and NoSuchPackageException since it's confusing
// that they embed Target/Package instances.
@Nullable private final Target target;
private final boolean packageLoadedSuccessfully;
public NoSuchTargetException(String message) {
this(null, message);
}
public NoSuchTargetException(@Nullable Label label, String message) {
this((label != null ? "no such target '" + label + "': " : "") + message, label, null, null);
}
public NoSuchTargetException(Target targetInError, NoSuchPackageException nspe) {
this(String.format("Target '%s' contains an error and its package is in error",
targetInError.getLabel()), targetInError.getLabel(), targetInError, nspe);
}
private NoSuchTargetException(String message, @Nullable Label label, @Nullable Target target,
@Nullable NoSuchPackageException nspe) {
super(message, nspe);
this.label = label;
this.target = target;
this.packageLoadedSuccessfully = nspe != null ? false : true;
}
@Nullable
public Label getLabel() {
return label;
}
/**
* Return the target (in error) if parsing completed enough to construct it. May return null.
*/
@Nullable
public Target getTarget() {
return target;
}
public boolean getPackageLoadedSuccessfully() {
return packageLoadedSuccessfully;
}
}
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