src/test/java/org/apache/commons/io/serialization/ClosingBase.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.commons.io.serialization;

import java.io.Closeable;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.junit.After;
import org.junit.Before;

/** Test base class that keeps track of Closeable objects 
 *  and cleans them up.
 */
public class ClosingBase {
    private final List<Closeable> toClose = new ArrayList<>();

    protected <T extends Closeable> T willClose(T t) {
        toClose.add(t);
        return t;
    }
    
    @Before
    public void setup() throws IOException {
        toClose.clear();
    }

    @After
    public void cleanup() {
        for (Closeable c : toClose) {
            try {
                c.close();
            } catch (IOException ignored) {
            }
        }
    }
}