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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 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.onap.aai.restcore.util;
import java.net.URI;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Optional;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.ws.rs.core.MultivaluedHashMap;
import javax.ws.rs.core.MultivaluedMap;
import org.onap.aai.introspection.Introspector;
import org.onap.aai.introspection.sideeffect.exceptions.AAIMissingRequiredPropertyException;
import org.onap.aai.schema.enums.PropertyMetadata;
import org.springframework.web.util.UriUtils;
public class URITools {
protected static final Pattern template = Pattern.compile("\\{(.*?)\\}");
public static MultivaluedMap<String, String> getQueryMap(URI uri) {
MultivaluedMap<String, String> result = new MultivaluedHashMap<>();
String queryParams = uri.getRawQuery();
if (queryParams != null) {
String[] sections = queryParams.split("&");
String[] query = null;
String key, value = "";
for (String section : sections) {
query = section.split("=");
key = UriUtils.decode(query[0], "UTF-8");
if (query[1] != null) {
query[1] = query[1].replaceAll("\\+", "%20");
}
value = UriUtils.decode(query[1], "UTF-8");
if (result.containsKey(key)) {
result.add(key, value);
} else {
result.putSingle(key, value);
}
}
}
return result;
}
public static Optional<String> replaceTemplates(Introspector obj, String uriString, PropertyMetadata metadata,
boolean replaceWithWildcard) throws AAIMissingRequiredPropertyException {
String result = uriString;
final Map<String, String> propMap = URITools.findProperties(obj, uriString, metadata, replaceWithWildcard);
if (propMap.isEmpty()) {
return Optional.empty();
}
for (Entry<String, String> entry : propMap.entrySet()) {
result = result.replaceAll("\\{" + entry.getKey() + "\\}", entry.getValue());
}
// drop out wildcards if they exist
result = result.replaceFirst("/[^/]+?(?:/\\*)+", "");
return Optional.of(result);
}
private static Map<String, String> findProperties(Introspector obj, String uriString, PropertyMetadata metadata,
boolean replaceWithWildcard) throws AAIMissingRequiredPropertyException {
final Map<String, String> result = new HashMap<>();
final Set<String> missing = new LinkedHashSet<>();
Matcher m = template.matcher(uriString);
int properties = 0;
while (m.find()) {
String propName = m.group(1);
String value = obj.getValue(propName);
properties++;
if (value != null) {
result.put(propName, value);
} else {
if (replaceWithWildcard) {
result.put(propName, "*");
}
missing.add(propName);
}
}
if (!missing.isEmpty() && (properties != missing.size())) {
throw new AAIMissingRequiredPropertyException(
"Cannot complete " + metadata.toString() + " uri. Missing properties " + missing);
}
return result;
}
}
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