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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.aai.validation.nodes;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collection;
import java.util.List;
import javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.onap.aai.setup.Version;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
/**
* Default duplicate rules for A&AI -
* node types may never have a duplicate definition
* within the same Version's file set.
*
* Finds all duplicates and what files they're in.
*
*/
public class DefaultDuplicateNodeDefinitionValidationModule implements DuplicateNodeDefinitionValidationModule {
/* (non-Javadoc)
* @see org.onap.aai.nodes.validation.DuplicateNodeDefinitionValidationModule#findDuplicates(java.util.List)
*/
@Override
public String findDuplicates(List<String> files, Version v) {
try {
final DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
docFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
final DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
Multimap<String, String> types = ArrayListMultimap.create();
boolean foundDups = false;
for (String file : files) {
InputStream inputStream = new FileInputStream(file);
final Document doc = docBuilder.parse(inputStream);
final NodeList list = doc.getElementsByTagName("java-type");
for (int i = 0; i < list.getLength(); i++) {
String type = list.item(i).getAttributes().getNamedItem("name").getNodeValue();
if (types.containsKey(type)) {
foundDups = true;
}
types.put(type, file);
}
}
if (foundDups) {
return buildErrorMsg(types, v);
} else {
return "";
}
} catch (ParserConfigurationException | SAXException | IOException e) {
// TODO something useful with this information
return e.getMessage();
}
}
private String buildErrorMsg(Multimap<String, String> types, Version v) {
StringBuilder errorMsg = new StringBuilder().append("Duplicates found in version ").append(v.toString()).append(". ");
for (String nodeType : types.keySet()) {
Collection<String> files = types.get(nodeType);
if (files.size() == 1) {
continue; //only record the duplicated ones
}
errorMsg.append(nodeType).append(" has definitions in ");
for (String file : files) {
errorMsg.append(file).append(" ");
}
}
return errorMsg.toString();
}
}
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