diff options
Diffstat (limited to 'aai-core/src/main/java/org/openecomp/aai/parsers/uri/URIParser.java')
-rw-r--r-- | aai-core/src/main/java/org/openecomp/aai/parsers/uri/URIParser.java | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/aai-core/src/main/java/org/openecomp/aai/parsers/uri/URIParser.java b/aai-core/src/main/java/org/openecomp/aai/parsers/uri/URIParser.java new file mode 100644 index 00000000..87439774 --- /dev/null +++ b/aai-core/src/main/java/org/openecomp/aai/parsers/uri/URIParser.java @@ -0,0 +1,249 @@ +/*- + * ============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.Set; + +import javax.ws.rs.core.MultivaluedHashMap; +import javax.ws.rs.core.MultivaluedMap; +import javax.ws.rs.core.UriBuilder; + +import org.springframework.web.util.UriUtils; + +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.ErrorLogHelper; +import org.openecomp.aai.schema.enums.ObjectMetadata; +import org.openecomp.aai.util.AAIConfig; + + +/** + * The Class URIParser. + */ +public class URIParser { + + private URI uri = null; + + protected Loader loader = null; + + protected Loader originalLoader = null; + + private URI originalURI = null; + + private MultivaluedMap<String, String> queryParams = null; + + + /** + * Instantiates a new URI parser. + * + * @param loader the loader + * @param uri the uri + */ + public URIParser(Loader loader, URI uri) { + this.uri = uri; + + String currentVersion = "v7"; + this.originalLoader = loader; + try { + currentVersion = AAIConfig.get("aai.default.api.version"); + } catch (AAIException e) { + ErrorLogHelper.logException(e); + } + + //Load the latest version because we need it for cloud region + + 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 { + boolean isRelative = false; + uri = this.trimURI(uri); + uri = handleCloudRegion(p.getCloudRegionTransform(), uri); + if (p.useOriginalLoader()) { + this.loader = this.originalLoader; + } + this.originalURI = UriBuilder.fromPath(uri.getRawPath()).build(); + if (uri.getRawPath().startsWith("./")) { + uri = new URI(uri.getRawPath().replaceFirst("\\./", "")); + isRelative = true; + } + String[] parts = uri.getRawPath().split("/"); + Introspector validNamespaces = loader.introspectorFromName("inventory"); + Set<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) && !previousObj.getDbName().equals("nodes")) { + throw new AAIException("AAI_3001", uri + " not a valid path. " + part + " not valid"); + } else if (previousObj == null) { + String abstractType = introspector.getMetadata(ObjectMetadata.ABSTRACT); + if (abstractType == null) { + abstractType = ""; + } + //first time through, make sure it starts from a namespace + //ignore abstract types + if (!isRelative && !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) { + MultivaluedMap<String, String> uriKeys = new MultivaluedHashMap<>(); + i++; + if (i == parts.length && queryParams != null) { + Set<String> queryKeys = queryParams.keySet(); + for (String key : queryKeys) { + uriKeys.put(key, queryParams.get(key)); + } + } else { + for (String key : keys) { + part = UriUtils.decode(parts[i], "UTF-8"); + + introspector.setValue(key, part); + + //skip this for further processing + i++; + } + } + + p.processObject(introspector, uriKeys); + + } else if (introspector.isContainer()) { + boolean isFinalContainer = i == parts.length-1; + MultivaluedMap<String, String> uriKeys = new MultivaluedHashMap<>(); + + if (isFinalContainer && queryParams != null) { + Set<String> queryKeys = queryParams.keySet(); + for (String key : queryKeys) { + uriKeys.put(key, queryParams.get(key)); + + } + } + 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 e; + } catch (Exception e) { + throw new AAIException("AAI_3001", e); + } + } + + public boolean validate() throws UnsupportedEncodingException, AAIException { + this.parse(new URIValidate()); + return true; + } + /** + * Handle cloud region. + * + * @param action the action + * @param uri the uri + * @return the uri + */ + protected URI handleCloudRegion(String action, URI uri) { + + 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+/", ""); + + return UriBuilder.fromPath(result).build(); + } + +} |