001////////////////////////////////////////////////////////////////////////////////
002// checkstyle: Checks Java source code for adherence to a set of rules.
003// Copyright (C) 2001-2017 the original author or authors.
004//
005// This library is free software; you can redistribute it and/or
006// modify it under the terms of the GNU Lesser General Public
007// License as published by the Free Software Foundation; either
008// version 2.1 of the License, or (at your option) any later version.
009//
010// This library is distributed in the hope that it will be useful,
011// but WITHOUT ANY WARRANTY; without even the implied warranty of
012// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013// Lesser General Public License for more details.
014//
015// You should have received a copy of the GNU Lesser General Public
016// License along with this library; if not, write to the Free Software
017// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
018////////////////////////////////////////////////////////////////////////////////
019
020package com.puppycrawl.tools.checkstyle.checks.metrics;
021
022import com.puppycrawl.tools.checkstyle.api.TokenTypes;
023
024/**
025 * This metric measures the number of instantiations of other classes
026 * within the given class.
027 *
028 * @author <a href="mailto:simon@redhillconsulting.com.au">Simon Harris</a>
029 * @author o_sukhodolsky
030 */
031public final class ClassDataAbstractionCouplingCheck
032    extends AbstractClassCouplingCheck {
033
034    /**
035     * A key is pointing to the warning message text in "messages.properties"
036     * file.
037     */
038    public static final String MSG_KEY = "classDataAbstractionCoupling";
039
040    /** Default allowed complexity. */
041    private static final int DEFAULT_MAX = 7;
042
043    /** Creates bew instance of the check. */
044    public ClassDataAbstractionCouplingCheck() {
045        super(DEFAULT_MAX);
046        setTokens("LITERAL_NEW");
047    }
048
049    @Override
050    public int[] getRequiredTokens() {
051        return new int[] {
052            TokenTypes.PACKAGE_DEF,
053            TokenTypes.IMPORT,
054            TokenTypes.CLASS_DEF,
055            TokenTypes.INTERFACE_DEF,
056            TokenTypes.ENUM_DEF,
057            TokenTypes.LITERAL_NEW,
058        };
059    }
060
061    @Override
062    public int[] getAcceptableTokens() {
063        return new int[] {
064            TokenTypes.PACKAGE_DEF,
065            TokenTypes.IMPORT,
066            TokenTypes.CLASS_DEF,
067            TokenTypes.INTERFACE_DEF,
068            TokenTypes.ENUM_DEF,
069            TokenTypes.LITERAL_NEW,
070        };
071    }
072
073    // -@cs[SimpleAccessorNameNotation] Overrides method from the base class.
074    // Issue: https://github.com/sevntu-checkstyle/sevntu.checkstyle/issues/166
075    @Override
076    protected String getLogMessageId() {
077        return MSG_KEY;
078    }
079}