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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.validation.impl;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import org.apache.commons.collections4.MapUtils;
import org.openecomp.core.utilities.file.FileContentHandler;
import org.openecomp.core.utilities.file.FileUtils;
import org.openecomp.core.validation.api.ValidationManager;
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.common.errors.Messages;
import org.openecomp.sdc.common.utils.SdcCommon;
import org.openecomp.sdc.common.zip.ZipUtils;
import org.openecomp.sdc.common.zip.exception.ZipException;
import org.openecomp.sdc.datatypes.error.ErrorMessage;
import org.openecomp.sdc.heat.datatypes.structure.ValidationStructureList;
import org.openecomp.sdc.heat.services.tree.HeatTreeManager;
import org.openecomp.sdc.heat.services.tree.HeatTreeManagerUtil;
import org.openecomp.sdc.validation.UploadValidationManager;
import org.openecomp.sdc.validation.types.ValidationFileResponse;
import org.openecomp.sdc.validation.util.ValidationManagerUtil;
/**
* Created by TALIO on 4/20/2016.
*/
public class UploadValidationManagerImpl implements UploadValidationManager {
private static FileContentHandler getFileContentMapFromZip(byte[] uploadFileData) throws IOException {
final Map<String, byte[]> zipFileAndByteMap;
try {
zipFileAndByteMap = ZipUtils.readZip(uploadFileData, true);
} catch (final ZipException e) {
throw new IOException(e);
}
final boolean zipHasFolders = zipFileAndByteMap.values().stream().anyMatch(Objects::isNull);
if (zipHasFolders) {
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());
}
final FileContentHandler mapFileContent = new FileContentHandler();
zipFileAndByteMap.entrySet().stream().filter(entry -> entry.getValue() != null)
.forEach(zipEntry -> mapFileContent.addFile(zipEntry.getKey(), zipEntry.getValue()));
return mapFileContent;
}
@Override
public ValidationFileResponse validateFile(String type, InputStream fileToValidate) throws IOException {
ValidationFileResponse validationFileResponse = new ValidationFileResponse();
HeatTreeManager tree;
ValidationStructureList validationStructureList = new ValidationStructureList();
if (type.equalsIgnoreCase("heat")) {
FileContentHandler content = getFileContent(fileToValidate);
if (!content.containsFile(SdcCommon.MANIFEST_NAME)) {
throw new CoreException((new ErrorCode.ErrorCodeBuilder()).withMessage(Messages.MANIFEST_NOT_EXIST.getErrorMessage())
.withId(Messages.ZIP_SHOULD_NOT_CONTAIN_FOLDERS.getErrorMessage()).withCategory(ErrorCategory.APPLICATION).build());
}
Map<String, List<ErrorMessage>> errors = validateHeatUploadData(content);
tree = HeatTreeManagerUtil.initHeatTreeManager(content);
tree.createTree();
if (MapUtils.isNotEmpty(errors)) {
tree.addErrors(errors);
validationStructureList.setImportStructure(tree.getTree());
}
} else {
throw new RuntimeException("invalid type:" + type);
}
validationFileResponse.setValidationData(validationStructureList);
return validationFileResponse;
}
private Map<String, List<ErrorMessage>> validateHeatUploadData(FileContentHandler fileContentMap) {
ValidationManager validationManager = ValidationManagerUtil.initValidationManager(fileContentMap);
return validationManager.validate();
}
private FileContentHandler getFileContent(InputStream is) throws IOException {
return getFileContentMapFromZip(FileUtils.toByteArray(is));
}
}
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