org.sonar.java.model.statement.CaseLabelTreeImpl.java Source code

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Here is the source code for org.sonar.java.model.statement.CaseLabelTreeImpl.java

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/*
 * SonarQube Java
 * Copyright (C) 2012-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.java.model.statement;

import com.google.common.collect.Iterables;
import org.sonar.java.ast.parser.JavaLexer;
import org.sonar.java.model.InternalSyntaxToken;
import org.sonar.java.model.JavaTree;
import org.sonar.plugins.java.api.tree.CaseLabelTree;
import org.sonar.plugins.java.api.tree.ExpressionTree;
import org.sonar.plugins.java.api.tree.SyntaxToken;
import org.sonar.plugins.java.api.tree.Tree;
import org.sonar.plugins.java.api.tree.TreeVisitor;

import javax.annotation.Nullable;
import java.util.Collections;

public class CaseLabelTreeImpl extends JavaTree implements CaseLabelTree {
    private final InternalSyntaxToken caseOrDefaultKeyword;
    @Nullable
    private final ExpressionTree expression;
    private final InternalSyntaxToken colonToken;

    public CaseLabelTreeImpl(InternalSyntaxToken caseOrDefaultKeyword, @Nullable ExpressionTree expression,
            InternalSyntaxToken colonToken) {
        super(JavaLexer.SWITCH_LABEL);
        this.caseOrDefaultKeyword = caseOrDefaultKeyword;
        this.expression = expression;
        this.colonToken = colonToken;
    }

    @Override
    public Kind kind() {
        return Kind.CASE_LABEL;
    }

    @Override
    public SyntaxToken caseOrDefaultKeyword() {
        return caseOrDefaultKeyword;
    }

    @Nullable
    @Override
    public ExpressionTree expression() {
        return expression;
    }

    @Override
    public SyntaxToken colonToken() {
        return colonToken;
    }

    @Override
    public void accept(TreeVisitor visitor) {
        visitor.visitCaseLabel(this);
    }

    @Override
    public Iterable<Tree> children() {
        return Iterables.concat(Collections.singletonList(caseOrDefaultKeyword),
                expression != null ? Collections.singletonList(expression) : Collections.<Tree>emptyList(),
                Collections.singletonList(colonToken));
    }

}