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Cattle framework utils component pom

There is a newer version: 1.0.1-M3

/*
 * Copyright (C) 2018 the original author or authors.
 *
 * 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 org.cattleframework.utils.auxiliary;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.compress.compressors.CompressorException;
import org.apache.commons.compress.compressors.CompressorInputStream;
import org.apache.commons.compress.compressors.CompressorOutputStream;
import org.apache.commons.compress.compressors.CompressorStreamFactory;
import org.cattleframework.exception.ExceptionWrapUtils;

/**
 * 压缩工具
 * 
 * @author orange
 *
 */
public final class CompressUtils {

    private CompressUtils() {
    }

    public static byte[] compress(String name, byte[] datas) {
	try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
	    try (CompressorOutputStream cos = CompressorStreamFactory.getSingleton().createCompressorOutputStream(name,
		    baos)) {
		cos.write(datas);
	    }
	    return baos.toByteArray();
	} catch (IOException | CompressorException e) {
	    throw ExceptionWrapUtils.wrap(e);
	}
    }

    public static byte[] decompress(String name, byte[] datas) {
	try (ByteArrayInputStream bais = new ByteArrayInputStream(datas)) {
	    return decompress(name, bais);
	} catch (IOException e) {
	    throw ExceptionWrapUtils.wrap(e);
	}
    }

    public static byte[] decompress(String name, InputStream is) {
	try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
	    try (CompressorInputStream cis = CompressorStreamFactory.getSingleton().createCompressorInputStream(name,
		    is)) {
		byte[] bytes = new byte[1024];
		int count = 0;
		while ((count = cis.read(bytes)) >= 0) {
		    baos.write(bytes, 0, count);
		}
	    }
	    return baos.toByteArray();
	} catch (IOException | CompressorException e) {
	    throw ExceptionWrapUtils.wrap(e);
	}
    }
}