com.examples.with.different.packagename.ClassWithPrivateInterfaces.java Source code

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Here is the source code for com.examples.with.different.packagename.ClassWithPrivateInterfaces.java

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/**
 * Copyright (C) 2010-2016 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite 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 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite 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 Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
 */
package com.examples.with.different.packagename;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;

/**
 * Snippet from Lang project
 * (org.apache.commons.lang3.ClassUtils)
 */
public class ClassWithPrivateInterfaces {

    public static List<Class<?>> getAllInterfaces(final Class<?> cls) {
        if (cls == null) {
            return null;
        }

        final LinkedHashSet<Class<?>> interfacesFound = new LinkedHashSet<Class<?>>();
        getAllInterfaces(cls, interfacesFound);

        return new ArrayList<Class<?>>(interfacesFound);
    }

    private static void getAllInterfaces(Class<?> cls, final HashSet<Class<?>> interfacesFound) {
        while (cls != null) {
            final Class<?>[] interfaces = cls.getInterfaces();

            for (final Class<?> i : interfaces) {
                if (interfacesFound.add(i)) {
                    getAllInterfaces(i, interfacesFound);
                }
            }

            cls = cls.getSuperclass();
        }
    }
}