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/*-
* ============LICENSE_START=======================================================
* OPENECOMP - MSO
* ================================================================================
* 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.mso.asdc.util;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.yaml.snakeyaml.Yaml;
import org.openecomp.mso.db.catalog.beans.HeatTemplateParam;
public class YamlEditor {
private static final String REFER_PATTERN = "file:///";
private Map <String, Object> yml;
private Yaml yaml = new Yaml ();
public YamlEditor () {
}
public YamlEditor (byte[] body) {
init (body);
}
@SuppressWarnings("unchecked")
private synchronized void init (byte[] body) {
InputStream input = new ByteArrayInputStream (body);
yml = (Map <String, Object>) yaml.load (input);
}
public synchronized List <String> getYamlNestedFileResourceTypeList () {
List <String> typeList = new ArrayList <String> ();
@SuppressWarnings("unchecked")
Map <String, Object> resourceMap = (Map <String, Object>) yml.get ("resources");
Iterator <Entry <String, Object>> it = resourceMap.entrySet ().iterator ();
while (it.hasNext ()) {
Map.Entry <String, Object> pair = it.next ();
@SuppressWarnings("unchecked")
Map <String, String> resourceEntry = (Map <String, String>) pair.getValue ();
String type = resourceEntry.get ("type");
if (type.contains (REFER_PATTERN)) {
typeList.add (type);
}
it.remove (); // avoids a ConcurrentModificationException
}
return typeList;
}
public synchronized List <String> getYamlResourceTypeList () {
List <String> typeList = new ArrayList <String> ();
@SuppressWarnings("unchecked")
Map <String, Object> resourceMap = (Map <String, Object>) yml.get ("resources");
Iterator <Entry <String, Object>> it = resourceMap.entrySet ().iterator ();
while (it.hasNext ()) {
Map.Entry <String, Object> pair = it.next ();
@SuppressWarnings("unchecked")
Map <String, String> resourceEntry = (Map <String, String>) pair.getValue ();
typeList.add (resourceEntry.get ("type"));
}
return typeList;
}
// Generate the parameter list based on the Heat Template
// Based on the email from Ella Kvetny:
// Within Heat Template, under parameters catalog, it might indicate the default value of the parameter
// If default value exist, the parameter is not mandatory, otherwise its value should be set
public synchronized Set <HeatTemplateParam> getParameterList () {
Set <HeatTemplateParam> paramSet = new HashSet <HeatTemplateParam> ();
@SuppressWarnings("unchecked")
Map <String, Object> resourceMap = (Map <String, Object>) yml.get ("parameters");
Iterator <Entry <String, Object>> it = resourceMap.entrySet ().iterator ();
while (it.hasNext ()) {
HeatTemplateParam param = new HeatTemplateParam ();
Map.Entry <String, Object> pair = it.next ();
@SuppressWarnings("unchecked")
Map <String, String> resourceEntry = (Map <String, String>) pair.getValue ();
param.setParamName (pair.getKey ());
// System.out.println(pair.getKey()+":"+type);
if (resourceEntry.containsKey("default")) {
param.setRequired (false);
} else {
param.setRequired (true);
}
// Now set the type
String value = resourceEntry.get ("type");
param.setParamType (value);
paramSet.add (param);
}
return paramSet;
}
public synchronized void addParameterList (Set <HeatTemplateParam> heatSet) {
@SuppressWarnings("unchecked")
Map <String, Object> resourceMap = (Map <String, Object>) yml.get ("parameters");
if (resourceMap == null) {
resourceMap = new LinkedHashMap <String, Object> ();
this.yml.put ("parameters", resourceMap);
}
for (HeatTemplateParam heatParam : heatSet) {
Map <String, Object> paramInfo = new HashMap <String, Object> ();
paramInfo.put ("type", heatParam.getParamType ());
resourceMap.put (heatParam.getParamName (), paramInfo);
}
// this.yml.put("parameters", resourceMap);
}
public boolean isParentTemplate (String templateBody) {
return templateBody.contains (REFER_PATTERN);
}
public boolean verifyTemplate () {
// Verify whether the heat template is for Vnf Resource
// We don't support other template installation yet
return true;
}
public String encode (Map <String, Object> content) {
return yaml.dump (content);
}
public synchronized String encode () {
return this.yaml.dump (this.yml);
}
/**
* This method return the YAml file as a string.
*
*/
@Override
public String toString () {
return encode ();
}
}
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