components/camel-kafka/src/test/java/org/apache/camel/component/kafka/embedded/TestUtils.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.camel.component.kafka.embedded;

import java.io.File;
import java.io.FileNotFoundException;

import org.apache.commons.lang3.RandomStringUtils;


final class TestUtils {

    private static final String TMPDIR = System.getProperty("java.io.tmpdir");

    private TestUtils() {
    }

    public static File constructTempDir(String suffix) {
        File file = new File(TMPDIR + File.separator + suffix);
        if (!file.mkdirs()) {
            throw new RuntimeException("could not create temp directory: " + file.getAbsolutePath());
        }
        file.deleteOnExit();
        return file;
    }

    public static String perTest(String directory) {
        return RandomStringUtils.randomAlphanumeric(8) + "-" + directory;
    }

    public static boolean deleteFile(File path) throws FileNotFoundException {
        if (!path.exists()) {
            throw new FileNotFoundException(path.getAbsolutePath());
        }
        boolean ret = true;
        if (path.isDirectory()) {
            for (File f : path.listFiles()) {
                ret = ret && deleteFile(f);
            }
        }
        return ret && path.delete();
    }
}