/*
 * Copyright 1999-2017 Alibaba Group Holding Ltd.
 *
 * Licensed 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 com.alibaba.druid;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.Writer;
import java.net.URL;
import java.util.Enumeration;
import java.util.Properties;

import junit.framework.TestCase;

public class DragoonMetaInfTest extends TestCase {

    public void test_0() throws Exception {
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        Enumeration<URL> e = classLoader.getResources("META-INF/dragoon-filter.properties");
        while (e.hasMoreElements()) {
            URL url = e.nextElement();
            InputStream is = url.openStream();
            Properties properties = new Properties();
            try {
                properties.load(is);
            } finally {
                is.close();
            }
        }
    }

    private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;

    public static long copyLarge(Reader input, Writer output) throws IOException {
        char[] buffer = new char[DEFAULT_BUFFER_SIZE];
        long count = 0;
        int n = 0;
        while (-1 != (n = input.read(buffer))) {
            output.write(buffer, 0, n);
            count += n;
        }
        return count;
    }
}