org.sonar.java.model.expression.MethodReferenceTreeImpl.java Source code

Introduction

Here is the source code for org.sonar.java.model.expression.MethodReferenceTreeImpl.java

Source

/*
 * 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.expression;

import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import org.sonar.java.ast.parser.JavaLexer;
import org.sonar.java.model.AbstractTypedTree;
import org.sonar.java.model.InternalSyntaxToken;
import org.sonar.plugins.java.api.tree.IdentifierTree;
import org.sonar.plugins.java.api.tree.MethodReferenceTree;
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 org.sonar.plugins.java.api.tree.TypeArguments;

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

public class MethodReferenceTreeImpl extends AbstractTypedTree implements MethodReferenceTree {

    private Tree expression;
    private SyntaxToken doubleColon;
    private IdentifierTree method;
    private TypeArguments typeArgument;

    public MethodReferenceTreeImpl(Tree expression, InternalSyntaxToken doubleColon) {
        super(JavaLexer.METHOD_REFERENCE);
        this.expression = expression;
        this.doubleColon = doubleColon;
    }

    public void complete(@Nullable TypeArguments typeArgument, IdentifierTreeImpl method) {
        this.typeArgument = typeArgument;
        this.method = method;
    }

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

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

    @Override
    public Iterable<Tree> children() {
        return Iterables.concat(
                typeArgument != null ? Collections.singletonList(typeArgument) : Collections.<Tree>emptyList(),
                Lists.newArrayList(expression, doubleColon, method));
    }

    @Override
    public Tree expression() {
        return expression;
    }

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

    @Override
    public IdentifierTree method() {
        return method;
    }

    @Nullable
    @Override
    public TypeArguments typeArguments() {
        return typeArgument;
    }
}