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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* 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.sdc.common.utils;
import org.apache.commons.collections4.CollectionUtils;
import org.openecomp.core.utilities.file.FileContentHandler;
import org.openecomp.core.utilities.file.FileUtils;
import org.openecomp.sdc.common.errors.CoreException;
import org.openecomp.sdc.common.errors.ErrorCategory;
import org.openecomp.sdc.common.errors.ErrorCode;
import org.openecomp.sdc.logging.types.LoggerConstants;
import org.openecomp.sdc.logging.types.LoggerErrorDescription;
import org.openecomp.sdc.common.errors.Messages;
import org.slf4j.MDC;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class CommonUtil {
public static String getMethodName() {
return Thread.currentThread().getStackTrace()[2].getMethodName();
}
public static FileContentHandler loadUploadFileContent(byte[] uploadedFileData)
throws IOException {
return getFileContentMapFromOrchestrationCandidateZip(uploadedFileData);
}
public static FileContentHandler getFileContentMapFromOrchestrationCandidateZip(byte[] uploadFileData)
throws IOException {
ZipEntry zipEntry;
List<String> folderList = new ArrayList<>();
FileContentHandler mapFileContent = new FileContentHandler();
try {
ZipInputStream inputZipStream;
byte[] fileByteContent;
String currentEntryName;
inputZipStream = new ZipInputStream(new ByteArrayInputStream(uploadFileData));
while ((zipEntry = inputZipStream.getNextEntry()) != null) {
currentEntryName = zipEntry.getName();
// else, get the file content (as byte array) and save it in a map.
fileByteContent = FileUtils.toByteArray(inputZipStream);
int index = lastIndexFileSeparatorIndex(currentEntryName);
if (index != -1) { //todo ?
folderList.add(currentEntryName);
} else {
mapFileContent.addFile(currentEntryName, fileByteContent);
}
}
} catch (RuntimeException exception) {
throw new IOException(exception);
}
if (CollectionUtils.isNotEmpty(folderList)) {
MDC.put(LoggerConstants.ERROR_DESCRIPTION, LoggerErrorDescription.INVALID_ZIP);
throw new CoreException((new ErrorCode.ErrorCodeBuilder())
.withMessage(Messages.ZIP_SHOULD_NOT_CONTAIN_FOLDERS.getErrorMessage())
.withId(Messages.ZIP_SHOULD_NOT_CONTAIN_FOLDERS.getErrorMessage())
.withCategory(ErrorCategory.APPLICATION).build());
}
return mapFileContent;
}
private static int lastIndexFileSeparatorIndex(String filePath) {
int length = filePath.length() - 1;
for (int i = length; i >= 0; i--) {
char currChar = filePath.charAt(i);
if (currChar == '/' || currChar == File.separatorChar || currChar == File.pathSeparatorChar) {
return i;
}
}
// if we've reached to the start of the string and didn't find file separator - return -1
return -1;
}
}
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