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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.tosca.services.impl;
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.tosca.datatypes.ToscaServiceModel;
import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
import org.openecomp.sdc.tosca.exceptions.CsarCreationErrorBuilder;
import org.openecomp.sdc.tosca.exceptions.CsarMissingEntryPointErrorBuilder;
import org.openecomp.sdc.tosca.services.ToscaFileOutputService;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class ToscaFileOutputServiceCsarImpl implements ToscaFileOutputService {
static final String EXTERNAL_ARTIFACTS_FOLDER_NAME = "Artifacts";
private static final String DEFINITIONS_FOLDER_NAME = "Definitions";
private static final String ARTIFACTS_FOLDER_NAME = "Artifacts";
//todo currently duplicated, to be changed when external artifacts are separated from internal
private static final String TOSCA_META_FOLDER_NAME = "TOSCA-Metadata";
private static final String TOSCA_META_FILE_VERSION = "TOSCA-Meta-File-Version";
private static final String TOSCA_META_FILE_VERSION_VALUE = "1.0";
private static final String TOSCA_META_FILE_NAME = "TOSCA.meta";
private static final String CSAR_VERSION = "CSAR-Version";
private static final String CSAR_VERSION_VALUE = "1.1";
private static final String CREATED_BY = "Created-By";
private static final String CREATED_BY_VALUE = "ASDC Onboarding portal";
private static final String ENTRY_DEFINITIONS = "Entry-Definitions";
private static final String META_FILE_DELIMITER = ":";
private static final String SPACE = " ";
private static final String FILE_SEPARATOR = File.separator;
@Override
public byte[] createOutputFile(ToscaServiceModel toscaServiceModel,
FileContentHandler externalArtifacts) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(baos))) {
packDefinitions(zos, toscaServiceModel.getServiceTemplates());
FileContentHandler artifactFiles = toscaServiceModel.getArtifactFiles();
if (artifactFiles != null && !artifactFiles.isEmpty()) {
packArtifacts(zos, artifactFiles);
}
if (toscaServiceModel.getEntryDefinitionServiceTemplate() == null) {
throw new CoreException(new CsarMissingEntryPointErrorBuilder().build());
}
createAndPackToscaMetaFile(zos, toscaServiceModel.getEntryDefinitionServiceTemplate());
if (externalArtifacts != null) {
packExternalArtifacts(zos, externalArtifacts);
}
} catch (IOException exc) {
throw new CoreException(new CsarCreationErrorBuilder().build(), exc);
}
return baos.toByteArray();
}
@Override
public String createMetaFile(String entryDefinitionsFileName) {
return TOSCA_META_FILE_VERSION + META_FILE_DELIMITER + SPACE + TOSCA_META_FILE_VERSION_VALUE
+ System.lineSeparator()
+ CSAR_VERSION + META_FILE_DELIMITER + SPACE + CSAR_VERSION_VALUE + System.lineSeparator()
+ CREATED_BY + META_FILE_DELIMITER + SPACE + CREATED_BY_VALUE + System.lineSeparator()
+ ENTRY_DEFINITIONS + META_FILE_DELIMITER + SPACE + DEFINITIONS_FOLDER_NAME
+ FILE_SEPARATOR + entryDefinitionsFileName;
}
@Override
public String getArtifactsFolderName() {
return ARTIFACTS_FOLDER_NAME;
}
private void createAndPackToscaMetaFile(ZipOutputStream zos, String entryDefinitionsFileName)
throws IOException {
String metaFile = createMetaFile(entryDefinitionsFileName);
zos.putNextEntry(
new ZipEntry((TOSCA_META_FOLDER_NAME + FILE_SEPARATOR + TOSCA_META_FILE_NAME)));
writeBytesToZip(zos, new ByteArrayInputStream(metaFile.getBytes()));
}
private void packDefinitions(ZipOutputStream zos, Map<String, ServiceTemplate> serviceTemplates)
throws IOException {
for (Map.Entry<String, ServiceTemplate> serviceTemplate : serviceTemplates.entrySet()) {
String fileName = serviceTemplate.getKey();
zos.putNextEntry(new ZipEntry(DEFINITIONS_FOLDER_NAME + FILE_SEPARATOR + fileName));
writeBytesToZip(zos,
FileUtils.convertToInputStream(serviceTemplate.getValue(), FileUtils.FileExtension.YAML));
}
}
private void packExternalArtifacts(ZipOutputStream zos, FileContentHandler externalArtifacts) {
for (String filenameIncludingPath : externalArtifacts.getFileList()) {
try {
zos.putNextEntry(new ZipEntry(filenameIncludingPath));
writeBytesToZip(zos, externalArtifacts.getFileContent(filenameIncludingPath));
} catch (IOException exc) {
throw new RuntimeException(exc);
} finally {
try {
zos.closeEntry();
} catch (IOException ignore) {
//do nothing
}
}
}
}
private void packArtifacts(ZipOutputStream zos, FileContentHandler artifacts) {
for (String fileName : artifacts.getFileList()) {
try {
zos.putNextEntry(new ZipEntry((ARTIFACTS_FOLDER_NAME + FILE_SEPARATOR + fileName)));
writeBytesToZip(zos, artifacts.getFileContent(fileName));
} catch (IOException exc) {
throw new RuntimeException(exc);
} finally {
try {
zos.closeEntry();
} catch (IOException ignore) {
//do nothing
}
}
}
}
private void writeBytesToZip(ZipOutputStream zos, InputStream is) throws IOException {
FileUtils.copy(is, zos);
}
}
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