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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.lib.packages;
import com.google.devtools.build.lib.cmdline.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;
private final boolean hasTarget;
public NoSuchTargetException(String message) {
this(
message,
/*label=*/ null,
/*hasTarget=*/ false);
}
public NoSuchTargetException(Label label, String message) {
this(
"no such target '" + label + "': " + message,
label,
/*hasTarget=*/ false);
}
public NoSuchTargetException(Target targetInError) {
this(
"Target '" + targetInError.getLabel() + "' contains an error and its package is in error",
targetInError.getLabel(),
/*hasTarget=*/ true);
}
public NoSuchTargetException(String message, @Nullable Label label, boolean hasTarget) {
// TODO(bazel-team): Does the exception matter?
super(message,
hasTarget ? new BuildFileContainsErrorsException(label.getPackageIdentifier()) : null);
this.label = label;
this.hasTarget = hasTarget;
}
@Nullable
public Label getLabel() {
return label;
}
/** Return whether parsing completed enough to construct the target. */
public boolean hasTarget() {
return hasTarget;
}
}
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