com.fjn.helper.common.util.StreamUtil.java Source code

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Here is the source code for com.fjn.helper.common.util.StreamUtil.java

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/*
 *
 *  Copyright 2018 FJN Corp.
 *
 *  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.
 *
 *  Author                        Date                       Issue
 *  fs1194361820@163.com          2015-01-01                 Initial Version
 *
 */

package com.fjn.helper.common.util;

import java.io.Closeable;
import java.lang.reflect.Method;

import org.apache.commons.io.IOUtils;

public class StreamUtil extends IOUtils {
    public static void close(Object closeable) {

        if (closeable != null) {
            try {
                if (closeable instanceof Closeable) {
                    ((Closeable) closeable).close();
                    return;
                }
            } catch (Exception ex) {
                // ignore it;
            }

            // close();
            Method closeMethod = null;
            Class<?> targetClass = closeable.getClass();
            while (closeMethod == null && targetClass != null) {
                try {
                    closeMethod = targetClass.getDeclaredMethod("close", new Class[0]);
                } catch (Exception ex) {
                    targetClass = targetClass.getSuperclass();
                }
            }

            if (closeMethod != null) {
                try {
                    closeMethod.invoke(closeable, new Object[0]);
                } catch (Exception e) {
                    // ignore it
                }
            }

        }

    }
}