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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
* Modifications Copyright © 2019 Bell Canada.
*
* 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.onap.ccsdk.apps.controllerblueprints.core.utils
import kotlinx.coroutines.async
import kotlinx.coroutines.runBlocking
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream
import org.apache.commons.io.IOUtils
import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintException
import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
import org.slf4j.LoggerFactory
import java.io.BufferedInputStream
import java.io.File
import java.io.FileInputStream
import java.io.IOException
import java.nio.charset.Charset
import java.util.zip.ZipFile
class BluePrintArchiveUtils {
companion object {
private val log = LoggerFactory.getLogger(BluePrintArchiveUtils::class.java)
/**
* Create a new Zip from a root directory
*
* @param source the base directory
* @param destination the output filename
* @param absolute store absolute filepath (from directory) or only filename
* @return True if OK
*/
fun compress(source: File, destination: File, absolute: Boolean): Boolean {
try {
destination.createNewFile()
ZipArchiveOutputStream(destination).use {
recurseFiles(source, source, it, absolute)
}
} catch (e: Exception) {
log.error("Fail to compress folder($source) to path(${destination.path}", e)
return false
}
return true
}
/**
* Recursive traversal to add files
*
* @param root
* @param file
* @param zaos
* @param absolute
* @throws IOException
*/
@Throws(IOException::class)
private fun recurseFiles(root: File, file: File, zaos: ZipArchiveOutputStream,
absolute: Boolean) {
if (file.isDirectory) {
// recursive call
val files = file.listFiles()
for (fileChild in files!!) {
recurseFiles(root, fileChild, zaos, absolute)
}
} else if (!file.name.endsWith(".zip") && !file.name.endsWith(".ZIP")) {
val filename = if (absolute) {
file.absolutePath.substring(root.absolutePath.length)
} else {
file.name
}
val zae = ZipArchiveEntry(filename)
zae.size = file.length()
zaos.putArchiveEntry(zae)
FileInputStream(file).use {
IOUtils.copy(it, zaos)
it.close()
}
zaos.closeArchiveEntry()
}
}
fun deCompress(zipFile: File, targetPath: String): File {
val zip = ZipFile(zipFile, Charset.defaultCharset())
val enumeration = zip.entries()
while (enumeration.hasMoreElements()) {
val entry = enumeration.nextElement()
val destFilePath = File(targetPath, entry.name)
destFilePath.parentFile.mkdirs()
if (entry.isDirectory)
continue
val bufferedIs = BufferedInputStream(zip.getInputStream(entry))
bufferedIs.use {
destFilePath.outputStream().buffered(1024).use { bos ->
bufferedIs.copyTo(bos)
}
}
}
val destinationDir = File(targetPath)
check(destinationDir.isDirectory && destinationDir.exists()) {
throw BluePrintProcessorException("failed to decompress blueprint(${zipFile.absolutePath}) to ($targetPath) ")
}
return destinationDir
}
}
}
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