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/*-
* ============LICENSE_START=======================================================
* org.openecomp.aai
* ================================================================================
* 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.aai.parsers.uri;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.ws.rs.core.MultivaluedMap;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.introspection.Introspector;
import org.openecomp.aai.introspection.Loader;
import org.openecomp.aai.introspection.LoaderFactory;
import org.openecomp.aai.introspection.Version;
import org.openecomp.aai.logging.AAILogger;
import org.openecomp.aai.logging.LogLineBuilder;
import org.openecomp.aai.util.AAIConfig;
import org.springframework.web.util.UriUtils;
import com.att.aft.dme2.internal.javaxwsrs.core.UriBuilder;
/**
* The Class URIParser.
*/
public class URIParser {
private final String className = URIParser.class.getSimpleName();
private AAILogger aaiLogger = new AAILogger(URIParser.class.getName());
protected URI uri = null;
protected Loader loader = null;
protected Loader originalLoader = null;
private URI originalURI = null;
private MultivaluedMap<String, String> queryParams = null;
private final LogLineBuilder llBuilder;
/**
* Instantiates a new URI parser.
*
* @param loader the loader
* @param uri the uri
*/
public URIParser(Loader loader, URI uri) {
this.llBuilder = loader.getLogLineBuilder();
this.uri = uri;
/*Pattern p = Pattern.compile("(v\\d+)\\/");
Matcher m = p.matcher(uri);
Version version = null;
if (m.find()) {
version = Version.valueOf(m.group(1));
}
this.version = version;*/
String currentVersion = "v7";
this.originalLoader = loader;
try {
currentVersion = AAIConfig.get("aai.default.api.version");
} catch (AAIException e) {
aaiLogger.error(e.getErrorObject(), llBuilder.build(className, "read property file"), e);
}
this.loader = loader;
}
/**
* Instantiates a new URI parser.
*
* @param loader the loader
* @param uri the uri
* @param queryParams the query params
*/
public URIParser(Loader loader, URI uri, MultivaluedMap<String, String> queryParams) {
this(loader, uri);
this.queryParams = queryParams;
}
public Loader getLoader() {
return this.loader;
}
/**
* Gets the original URI.
*
* @return the original URI
*/
public URI getOriginalURI() {
return this.originalURI;
}
/**
* Parses the.
*
* @param p the p
* @throws UnsupportedEncodingException the unsupported encoding exception
* @throws AAIException the AAI exception
*/
public void parse(Parsable p) throws UnsupportedEncodingException, AAIException {
try {
uri = this.trimURI(uri);
// uri = handleCloudRegion(p.getCloudRegionTransform(), uri);
if (p.useOriginalLoader()) {
this.loader = this.originalLoader;
}
this.originalURI = UriBuilder.fromPath(uri.getRawPath()).build();
String[] parts = uri.getRawPath().split("/");
Introspector validNamespaces = loader.introspectorFromName("inventory");
List<String> keys = null;
String part = "";
Introspector previousObj = null;
for (int i = 0; i < parts.length;) {
part = parts[i];
Introspector introspector = null;
introspector = loader.introspectorFromName(part);
if (introspector != null) {
//previous has current as property
if (previousObj != null && !previousObj.hasChild(introspector)) {
throw new AAIException("AAI_3001", uri + " not a valid path. " + part + " not valid");
} else if (previousObj == null) {
String abstractType = introspector.getMetadata("abstract");
if (abstractType == null) {
abstractType = "";
}
//first time through, make sure it starts from a namespace
//ignore abstract types
if (!abstractType.equals("true") && !validNamespaces.hasChild(introspector)) {
throw new AAIException("AAI_3000", uri + " not a valid path. It does not start from a valid namespace");
}
}
keys = introspector.getKeys();
if (keys.size() > 0) {
Map<String, String> uriKeys = new LinkedHashMap<>();
i++;
if (i == parts.length && queryParams != null) {
Set<String> queryKeys = queryParams.keySet();
for (String key : queryKeys) {
queryParams.get(key);
for (String value : queryParams.get(key)) {
value = UriUtils.decode(value, "UTF-8");
uriKeys.put(key, value);
}
}
} else {
for (String key : keys) {
part = UriUtils.decode(parts[i], "UTF-8");
uriKeys.put(key, part);
//skip this for further processing
i++;
}
}
p.processObject(introspector, uriKeys);
} else if (introspector.isContainer()) {
boolean isFinalContainer = i == parts.length-1;
Map<String, String> uriKeys = new LinkedHashMap<>();
if (isFinalContainer && queryParams != null) {
Set<String> queryKeys = queryParams.keySet();
for (String key : queryKeys) {
queryParams.get(key);
for (String value : queryParams.get(key)) {
value = UriUtils.decode(value, "UTF-8");
uriKeys.put(key, value);
}
}
}
p.processContainer(introspector, uriKeys, isFinalContainer);
i++;
} else {
p.processNamespace(introspector);
//namespace case
i++;
}
previousObj = introspector;
} else {
//invalid item found should log
//original said bad path
throw new AAIException("AAI_3001", "invalid item found in path: " + part);
}
}
} catch (AAIException e) {
throw new AAIException("AAI_" + e.getErrorObject().getErrorCode(), e.getErrorObject().getDetails());
} catch (Exception e) {
throw new AAIException("AAI_3001", e);
}
}
//public abstract Object getResult();
/**
* Handle cloud region.
*
* @param action the action
* @param uri the uri
* @return the uri
*/
// protected URI handleCloudRegion(String action, URI uri) {
//
// if (action.equals("add")) {
// return this.cloudRegionWorkaround.addToUri(uri);
// } else if (action.equals("remove")) {
// return this.cloudRegionWorkaround.removeFromUri(uri);
// } else {
// return uri;
// }
// }
/**
* Trim URI.
*
* @param uri the uri
* @return the uri
*/
protected URI trimURI(URI uri) {
String result = uri.getRawPath();
if (result.startsWith("/")) {
result = result.substring(1, result.length());
}
if (result.endsWith("/")) {
result = result.substring(0, result.length() - 1);
}
result = result.replaceFirst("aai/v\\d+/", "");
URI uriResult = UriBuilder.fromPath(result).build();
return uriResult;
}
}
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