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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.vendorsoftwareproduct.services.impl;
import org.openecomp.sdc.vendorsoftwareproduct.services.HeatFileAnalyzer;
import org.openecomp.sdc.vendorsoftwareproduct.types.candidateheat.AnalyzedZipHeatFiles;
import java.io.*;
import java.util.*;
import java.util.regex.Pattern;
public class HeatFileAnalyzerRowDataImpl implements HeatFileAnalyzer {
private static final String HEAT_IDENTIFIER_REGEX = "^heat_template_version:.*";
private static final String HEAT_RESOURCES_REGEX = "^resources:\\s*$";
private static final String HEAT_PARAMETERS_REGEX = "^parameters:\\s*$";
private static final String HEAT_CONDITIONS_REGEX = "^conditions:\\s*$";
private static final String HEAT_OUTPUTS_REGEX = "^outputs:\\s*$";
private static final String HEAT_PARAMETER_GROUP_REGEX = "^parameter_groups:\\s*$";
private static final String HEAT_DESCRIPTION_REGEX = "^description:\\s*$";
//allowing spaces at start followed by 'type:' + spaces + any characters + ('.yml' or '.yaml')+
// spaces
private static final String HEAT_NESTED_RESOURCE_REGEX = "\\s*type:\\s*\\S*.(yml|yaml)\\s*$";
private static final String IDENTIFIER = "IDENTIFIER";
private static final String RESOURCES = "RESOURCES";
private static final String PARAMETERS = "PARAMETERS";
private static final String CONDITIONS = "CONDITIONS";
private static final String OUTPUTS = "OUTPUTS";
private static final String PARAMETER_GROUP = "PARAMETER_GROUP";
private static final String DESCRIPTION = "DESCRIPTION";
private static final String NESTED_PATTERN = "NESTED_PATTERN";
private final Map<String, Pattern> patterns;
public HeatFileAnalyzerRowDataImpl() {
patterns = new HashMap<>();
patterns.put(IDENTIFIER, Pattern.compile(HEAT_IDENTIFIER_REGEX));
patterns.put(RESOURCES, Pattern.compile(HEAT_RESOURCES_REGEX));
patterns.put(PARAMETERS, Pattern.compile(HEAT_PARAMETERS_REGEX));
patterns.put(CONDITIONS, Pattern.compile(HEAT_CONDITIONS_REGEX));
patterns.put(OUTPUTS, Pattern.compile(HEAT_OUTPUTS_REGEX));
patterns.put(PARAMETER_GROUP, Pattern.compile(HEAT_PARAMETER_GROUP_REGEX));
patterns.put(DESCRIPTION, Pattern.compile(HEAT_DESCRIPTION_REGEX));
patterns.put(NESTED_PATTERN, Pattern.compile(HEAT_NESTED_RESOURCE_REGEX));
}
@Override
public AnalyzedZipHeatFiles analyzeFilesNotEligibleForModulesFromFileAnalyzer(Map<String, byte[]> files)
throws IOException {
AnalyzedZipHeatFiles analyzedZipHeatFiles = new AnalyzedZipHeatFiles();
for (Map.Entry<String, byte[]> fileData : files.entrySet()) {
String fileName = fileData.getKey();
if (!HeatFileAnalyzer.isYamlFile(fileName)) {
analyzedZipHeatFiles.addOtherNonModuleFile(fileName);
continue;
}
boolean foundHeatIdentifier = false;
try (InputStream is = new ByteArrayInputStream(fileData.getValue());
BufferedReader bfReader = new BufferedReader(new InputStreamReader(is))) {
String line;
boolean isResourcesSection = false;
Set<String> nestedFilesNames = new HashSet<>();
while ((line = bfReader.readLine()) != null) {
if (!foundHeatIdentifier && isMatch(patterns.get(IDENTIFIER), line)) {
foundHeatIdentifier = true;
analyzedZipHeatFiles.addModuleFile(fileName);
if (isResourcesSection) // it means the identifier is located after the resources
// section
{
break;
}
} else if (isMatch(patterns.get(RESOURCES), line)) {
isResourcesSection = true;
} else if (isResourceSectionEnd(line, isResourcesSection)) {
if (foundHeatIdentifier) {
break;
}
} else if (isResourcesSection) {
Optional<String> optionalNestedFileName = fetchNestedFileName(line);
optionalNestedFileName
.ifPresent(nestedFilesNames::add);
}
}
analyzedZipHeatFiles.addNestedFiles(fetchFileNamesToReturn(nestedFilesNames,
foundHeatIdentifier));
}
}
return analyzedZipHeatFiles;
}
private Optional<String> fetchNestedFileName(String line) {
if (isMatch(patterns.get(NESTED_PATTERN), line)) {
String trimmedLine = line.trim();
String nestedFileName = trimmedLine
.substring(trimmedLine.indexOf("type:") + "type:".length(), trimmedLine.length())
.trim();
return Optional.of(nestedFileName);
}
return Optional.empty();
}
private Set<String> fetchFileNamesToReturn(Set<String> filesNamesToReturn,
boolean foundHeatIdentifier) {
if (!foundHeatIdentifier) {
return new HashSet<>();
} else {
return filesNamesToReturn;
}
}
private boolean isResourceSectionEnd(String line, boolean isResourcesSection) {
return isResourcesSection && isStartOfNonResourcesHeatSection(line);
}
private boolean isStartOfNonResourcesHeatSection(String line) {
return isMatch(patterns.get(PARAMETERS), line) ||
isMatch(patterns.get(CONDITIONS), line) ||
isMatch(patterns.get(OUTPUTS), line) ||
isMatch(patterns.get(PARAMETER_GROUP), line) ||
isMatch(patterns.get(DESCRIPTION), line);
}
private boolean isMatch(Pattern pattern, String line) {
return pattern.matcher(line).matches();
}
}
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