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Diffstat (limited to 'src/main/java/org/openecomp/modelloader/entity/model/ModelParserFactory.java')
-rw-r--r-- | src/main/java/org/openecomp/modelloader/entity/model/ModelParserFactory.java | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/modelloader/entity/model/ModelParserFactory.java b/src/main/java/org/openecomp/modelloader/entity/model/ModelParserFactory.java new file mode 100644 index 0000000..aa3283f --- /dev/null +++ b/src/main/java/org/openecomp/modelloader/entity/model/ModelParserFactory.java @@ -0,0 +1,87 @@ +/** + * ============LICENSE_START======================================================= + * Model Loader + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * 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 and OpenECOMP are trademarks + * and service marks of AT&T Intellectual Property. + */ +package org.openecomp.modelloader.entity.model; + +import java.io.StringReader; + +import javax.xml.parsers.DocumentBuilder; +import javax.xml.parsers.DocumentBuilderFactory; + +import org.openecomp.cl.api.Logger; +import org.openecomp.cl.eelf.LoggerFactory; +import org.openecomp.modelloader.service.ModelLoaderMsgs; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.xml.sax.InputSource; + +public class ModelParserFactory { + private static Logger logger = LoggerFactory.getInstance().getLogger(ModelParserFactory.class.getName()); + + private static String MODEL_ELEMENT = "model"; + private static String NAMED_QUERY_ELEMENT = "named-query"; + + public static IModelParser createModelParser(byte[] artifactPayload, String artifactName) { + Document doc = null; + + try { + String payload = new String(artifactPayload); + DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); + DocumentBuilder builder; + builder = factory.newDocumentBuilder(); + InputSource is = new InputSource(new StringReader(payload)); + doc = builder.parse(is); + } catch (Exception e) { + logger.error(ModelLoaderMsgs.ARTIFACT_PARSE_ERROR, "Unable to parse artifact " + artifactName); + return null; + } + + if (doc.getDocumentElement().getNodeName().equalsIgnoreCase(NAMED_QUERY_ELEMENT)) { + return new NamedQueryArtifactParser(); + } + + if (!doc.getDocumentElement().getNodeName().equalsIgnoreCase(MODEL_ELEMENT)) { + logger.error(ModelLoaderMsgs.ARTIFACT_PARSE_ERROR, "Unable to parse artifact " + artifactName + + ": Invalid root element: " + doc.getDocumentElement().getNodeName()); + return null; + } + + Element e = doc.getDocumentElement(); + String ns = e.getAttribute("xmlns"); + String[] parts = ns.split("/"); + + if (parts.length < 1) { + logger.error(ModelLoaderMsgs.ARTIFACT_PARSE_ERROR, "Unable to parse artifact " + artifactName + + ": Could not parse namespace version"); + return null; + } + + String modelNamespaceVersion = parts[parts.length-1].trim().replace("v", ""); + int version = Integer.parseInt(modelNamespaceVersion); + + if (version > 8) { + return new ModelArtifactParser(); + } + + return new ModelV8ArtifactParser(); + } +} |