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/**
* Copyright 2016 ZTE Corporation.
*
* 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.openo.commontosca.catalog.model.parser;
import org.openo.commontosca.catalog.common.Config;
import org.openo.commontosca.catalog.common.ToolUtil;
import org.openo.commontosca.catalog.db.exception.CatalogResourceException;
import org.openo.commontosca.catalog.entity.response.CsarFileUriResponse;
import org.openo.commontosca.catalog.model.entity.NodeTemplate;
import org.openo.commontosca.catalog.wrapper.PackageWrapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
public abstract class AbstractModelParser {
private static final Logger logger = LoggerFactory.getLogger(AbstractModelParser.class);
public abstract String parse(String packageId, String fileLocation)
throws CatalogResourceException;
public String copyTemporaryFile2HttpServer(String fileLocation) throws CatalogResourceException {
String destPath = org.openo.commontosca.catalog.filemanage.http.ToolUtil.getHttpServerAbsolutePath()
+ toTempFilePath(fileLocation);
if (!org.openo.commontosca.catalog.filemanage.http.ToolUtil.copyFile(
fileLocation, destPath, true)) {
throw new CatalogResourceException("Copy Temporary To HttpServer Failed.");
}
return destPath;
}
public String getUrlOnHttpServer(String path) {
return Config.getConfigration().getHttpServerAddr() + "/" + path;
}
protected String toTempFilePath(String fileLocation) {
return File.separator + "temp" + File.separator + (new File(fileLocation)).getName();
}
protected EnumTemplateType getTemplateType(String substitutionType, List<NodeTemplate> ntList) {
if (isNsType(substitutionType)) {
return EnumTemplateType.NS;
}
if (isVnfType(substitutionType)) {
return EnumTemplateType.VNF;
}
return getTemplateTypeFromNodeTemplates(ntList);
}
private boolean isVnfType(String type) {
if (ToolUtil.isTrimedEmptyString(type)) {
return false;
}
return type.toUpperCase().contains(".VNF");
}
private boolean isNsType(String type) {
if (ToolUtil.isTrimedEmptyString(type)) {
return false;
}
return type.toUpperCase().contains(".NS");
}
private EnumTemplateType getTemplateTypeFromNodeTemplates(List<NodeTemplate> ntList) {
for (NodeTemplate nt : ntList) {
if (isNsType(nt.getType()) || isVnfType(nt.getType())) {
return EnumTemplateType.NS;
}
}
return EnumTemplateType.VNF;
}
private static final String TOSCA_META_FIELD_ENTRY_DEFINITIONS = "Entry-Definitions";
protected CsarFileUriResponse buildServiceTemplateDownloadUri(String packageId, String fileLocation)
throws CatalogResourceException {
Map<String, String> toscaMeta = parseToscaMeta(fileLocation);
String stFileName = toscaMeta.get(TOSCA_META_FIELD_ENTRY_DEFINITIONS);
CsarFileUriResponse stDownloadUri =
PackageWrapper.getInstance().getCsarFileDownloadUri(packageId, stFileName);
return stDownloadUri;
}
@SuppressWarnings("resource")
protected Map<String, String> parseToscaMeta(String fileLocation) throws CatalogResourceException {
Map<String, String> toscaMeta = new HashMap<>();
ZipInputStream zin = null;
BufferedReader br = null;
try {
InputStream in = new BufferedInputStream(new FileInputStream(fileLocation));
zin = new ZipInputStream(in);
ZipEntry ze;
while ((ze = zin.getNextEntry()) != null) {
if (("TOSCA-Metadata" + File.separator + "TOSCA.meta").equals(ze.getName())
|| "TOSCA-Metadata/TOSCA.meta".equals(ze.getName())) {
ZipFile zf = new ZipFile(fileLocation);
br = new BufferedReader(new InputStreamReader(zf.getInputStream(ze)));
String line;
String[] tmps;
while ((line = br.readLine()) != null) {
if (line.indexOf(":") > 0) {
tmps = line.split(":");
toscaMeta.put(tmps[0].trim(), tmps[1].trim());
}
}
return toscaMeta;
}
}
} catch (IOException e1) {
throw new CatalogResourceException("Parse Tosca Meta Fail.", e1);
} finally {
closeStreamAndReader(zin, br);
}
return toscaMeta;
}
private void closeStreamAndReader(ZipInputStream zin, BufferedReader br) {
if (br != null) {
try {
br.close();
} catch (IOException e1) {
logger.error("Buffered reader close failed !");
}
}
if (zin != null) {
try {
zin.closeEntry();
} catch (IOException e2) {
logger.error("Zip inputStream close failed !");
}
}
}
}
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