Created
May 3, 2018 15:51
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scala GZip Utils
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package org.rsol.log.util | |
import java.util.zip.GZIPOutputStream | |
import java.io.ByteArrayOutputStream | |
import java.util.zip.GZIPInputStream | |
import java.io.ByteArrayInputStream | |
import org.apache.commons.io.IOUtils | |
object GZipUtil extends App { | |
val uncompressed = "some string" | |
val compresed_gzip = "L2A7HmJXaavXAcMAE/x+f23//m4f27Ht25/t40s/6D/7L2o//pF" | |
val c = compress(uncompressed.getBytes) | |
val c64 = org.apache.solr.common.util.Base64.byteArrayToBase64(c,0,c.length) | |
println(c64 == compresed_gzip) | |
println("compressedB64 -> " + c64) | |
println("uncompressed gzip -> " + new String(decompress(org.apache.solr.common.util.Base64.base64ToByteArray(compresed_gzip)))) | |
def compress(data:Array[Byte]): Array[Byte] = { | |
val bos = new ByteArrayOutputStream(data.length) | |
val gzip = new GZIPOutputStream(bos) | |
gzip.write(data) | |
gzip.close() | |
val compressed = bos.toByteArray() | |
bos.close() | |
compressed | |
} | |
def decompress(compressed: Array[Byte]) : String = { | |
val bis = new ByteArrayInputStream(compressed) | |
val gis = new GZIPInputStream(bis) | |
val str = new String(IOUtils.toByteArray(gis), "UTF-8") | |
gis.close | |
str | |
} | |
} |
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