com.google.errorprone.refaster.UModifiers.java Source code

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Here is the source code for com.google.errorprone.refaster.UModifiers.java

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/*
 * Copyright 2013 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.errorprone.refaster;

import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.sun.source.tree.ModifiersTree;
import com.sun.source.tree.TreeVisitor;
import com.sun.tools.javac.code.Flags;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import com.sun.tools.javac.tree.JCTree.JCModifiers;
import com.sun.tools.javac.util.List;
import java.util.Set;
import javax.lang.model.element.Modifier;

/**
 * {@code UTree} representation of a {@code ModifiersTree}.
 * 
 * @author lowasser@google.com (Louis Wasserman)
 */
@AutoValue
abstract class UModifiers extends UTree<JCModifiers> implements ModifiersTree {
    public static UModifiers create(long flagBits, UAnnotation... annotations) {
        return create(flagBits, ImmutableList.copyOf(annotations));
    }

    public static UModifiers create(long flagBits, Iterable<? extends UAnnotation> annotations) {
        return new AutoValue_UModifiers(flagBits, ImmutableList.copyOf(annotations));
    }

    abstract long flagBits();

    @Override
    public abstract ImmutableList<UAnnotation> getAnnotations();

    @Override
    public JCModifiers inline(Inliner inliner) throws CouldNotResolveImportException {
        return inliner.maker().Modifiers(flagBits(),
                List.convert(JCAnnotation.class, inliner.inlineList(getAnnotations())));
    }

    @Override
    public Choice<Unifier> visitModifiers(ModifiersTree modifier, Unifier unifier) {
        return Choice.condition(getFlags().equals(modifier.getFlags()), unifier);
    }

    @Override
    public <R, D> R accept(TreeVisitor<R, D> visitor, D data) {
        return visitor.visitModifiers(this, data);
    }

    @Override
    public Kind getKind() {
        return Kind.MODIFIERS;
    }

    @Override
    public Set<Modifier> getFlags() {
        return Flags.asModifierSet(flagBits());
    }
}