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/*-
* ============LICENSE_START=======================================================
* ECOMP Policy Engine
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.policy.components;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Set;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
import org.apache.commons.io.IOUtils;
import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
import org.openecomp.policy.common.logging.flexlogger.Logger;
import org.openecomp.policy.xacml.api.XACMLErrorConstants;
public class PolicyImportWindow{
private static final Logger LOGGER = FlexLogger.getLogger(PolicyImportWindow.class);
private Path newfile = null;
private boolean succeeded = false;
private Boolean superadmin = false;
private ArrayList<String> xacmlFiles = new ArrayList<String>();
private static FileOutputStream outputFile;
/**
* The constructor should first build the main layout, set the
* composition root and then do any custom initialization.
*
* The constructor will not be automatically regenerated by the
* visual editor.
*/
public OutputStream receiveUpload(String filename, String mimeType) {
//
// Create its new full path
//
this.newfile = null;
//
// Does it already exist?
//
if (Files.exists(this.newfile)) {
return null;
}
//
// Try to create the output stream
//
try {
return new FileOutputStream(this.newfile.toFile());
} catch (FileNotFoundException e) {
LOGGER.error("Failed to create uploaded file", e);
}
return null;
}
public void Upload(){
TarArchiveEntry entry = null;
TarArchiveInputStream extractFile = null;
try {
extractFile = new TarArchiveInputStream (new FileInputStream(this.newfile.toFile()));
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
//Create a loop to read every single entry in TAR file
try {
while ((entry = extractFile.getNextTarEntry()) != null) {
this.superadmin = true;
try{
copyFileToLocation(extractFile, entry, xacmlFiles, null, superadmin);
}catch(Exception e){
LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR+"Exception while Importing Polcies"+e);
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
//Copy files to Directorys
public static void copyFileToLocation(TarArchiveInputStream extractFile, TarArchiveEntry entry, ArrayList<String> xacmlFiles, Set<String> finalScopes, Boolean superadminValue ) throws IOException{
String individualFiles = "";
int offset = 0;
outputFile = null;
// Get the name of the file
if(superadminValue){
individualFiles = entry.getName();
}else{
for(int i =0; i< finalScopes.size(); i++){
if(entry.getName().startsWith(finalScopes.toArray()[i].toString())){
individualFiles = entry.getName();
}
}
}
if(individualFiles.endsWith(".xls")){
if(individualFiles.contains("\\")){
individualFiles = individualFiles.replace("\\", File.separator);
}else if(individualFiles.contains("/")){
individualFiles = individualFiles.replace("/", File.separator);
}
return;
}
individualFiles = individualFiles.replace("/", File.separator);
individualFiles = individualFiles.replace("\\", File.separator);
//Create the path with the entry name
// Get Size of the file and create a byte array for the size
byte[] content = new byte[(int) entry.getSize()];
offset=0;
LOGGER.info("Size of the File is: " + entry.getSize());
// Read file from the archive into byte array
extractFile.read(content, offset, content.length - offset);
// Use IOUtiles to write content of byte array to physical file
IOUtils.write(content,outputFile);
// Close Output Stream
try {
outputFile.close();
} catch (IOException e) {
LOGGER.info("IOException:" +e);
e.printStackTrace();
}
}
public Path getUploadedFile() {
if (this.succeeded) {
return this.newfile;
}
return null;
}
}
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