com.iyonger.apm.web.util.FileUtils.java Source code

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Here is the source code for com.iyonger.apm.web.util.FileUtils.java

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/* 
 * 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.iyonger.apm.web.util;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.ClassPathResource;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 * Convenient File utilities.
 *
 * @author JunHo Yoon
 * @since 3.1
 */
public abstract class FileUtils {
    private static final Logger LOGGER = LoggerFactory.getLogger(FileUtils.class);

    /**
     * Copy the given resource to the given file.
     *
     * @param resourcePath resource path
     * @param file         file to write
     * @since 3.2
     */
    public static void copyResourceToFile(String resourcePath, File file) {
        InputStream io = null;
        FileOutputStream fos = null;
        try {
            io = new ClassPathResource(resourcePath).getInputStream();
            fos = new FileOutputStream(file);
            IOUtils.copy(io, fos);
        } catch (IOException e) {
            LOGGER.error("error while writing {}", resourcePath, e);
        } finally {
            IOUtils.closeQuietly(io);
            IOUtils.closeQuietly(fos);
        }

    }
}