/
DiagnosticGroup.java
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/
DiagnosticGroup.java
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/*
* Copyright 2008 The Closure Compiler Authors.
*
* 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.javascript.jscomp;
import com.google.common.collect.ImmutableSet;
import java.io.Serializable;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.Map;
import org.jspecify.nullness.Nullable;
/**
* Group a set of related diagnostic types together, so that they can be toggled on and off as one
* unit.
*/
public final class DiagnosticGroup implements Serializable {
private static final long serialVersionUID = 1;
// The set of types represented by this group, hashed by key.
private final ImmutableSet<DiagnosticType> types;
// A human-readable name for the group.
private final @Nullable String name;
/**
* Create a group that matches all errors of the given types.
*/
DiagnosticGroup(String name, DiagnosticType ...types) {
this.name = name;
this.types = ImmutableSet.copyOf(Arrays.asList(types));
}
/**
* Create a group that matches all errors of the given types.
*/
public DiagnosticGroup(DiagnosticType ...types) {
this(null, types);
}
/**
* Create a diagnostic group with no name that only matches the given type.
*/
private DiagnosticGroup(DiagnosticType type) {
this.name = null;
this.types = ImmutableSet.of(type);
}
/** Create a composite group. */
public DiagnosticGroup(DiagnosticGroup... groups) {
this(null, groups);
}
/** Create a composite group. */
public DiagnosticGroup(String name, DiagnosticGroup... groups) {
ImmutableSet.Builder<DiagnosticType> set = ImmutableSet.builder();
for (DiagnosticGroup group : groups) {
set.addAll(group.types);
}
this.name = name;
this.types = set.build();
}
// DiagnosticGroups with only a single DiagnosticType.
private static final Map<DiagnosticType, DiagnosticGroup> singletons = new LinkedHashMap<>();
/** Create a diagnostic group that matches only the given type. */
public static synchronized DiagnosticGroup forType(DiagnosticType type) {
singletons.computeIfAbsent(type, DiagnosticGroup::new);
return singletons.get(type);
}
/**
* Returns whether the given error's type matches a type
* in this group.
*/
public boolean matches(JSError error) {
return matches(error.getType());
}
/**
* Returns whether the given type matches a type in this group.
*/
public boolean matches(DiagnosticType type) {
return types.contains(type);
}
/** Returns all the types in this group. */
public ImmutableSet<DiagnosticType> getTypes() {
return types;
}
String getName() {
return this.name;
}
@Override
public String toString() {
return name == null ? super.toString() : "DiagnosticGroup<" + name + ">";
}
}