+++ /dev/null
-/*-
- * ============LICENSE_START=======================================================
- * openECOMP : SDN-C
- * ================================================================================
- * 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.sdnc.sli;
-
-import java.io.File;
-import java.io.InputStream;
-import java.net.URL;
-import java.util.LinkedList;
-
-import javax.xml.XMLConstants;
-import javax.xml.parsers.SAXParser;
-import javax.xml.parsers.SAXParserFactory;
-import javax.xml.validation.Schema;
-import javax.xml.validation.SchemaFactory;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.xml.sax.Attributes;
-import org.xml.sax.Locator;
-import org.xml.sax.SAXException;
-import org.xml.sax.SAXNotRecognizedException;
-import org.xml.sax.SAXParseException;
-import org.xml.sax.helpers.DefaultHandler;
-
-/**
- * @author dt5972
- *
- */
-public class SvcLogicParser {
-
- SvcLogicStore store = null;
- static final String JAXP_SCHEMA_LANGUAGE = "http://java.sun.com/xml/jaxp/properties/schemaLanguage";
- static final String W3C_XML_SCHEMA = "http://www.w3.org/2001/XMLSchema";
- static final String JAXP_SCHEMA_SOURCE = "http://java.sun.com/xml/jaxp/properties/schemaSource";
- static final String JAXP_DYNAMIC_VALIDATION = "http://apache.org/xml/features/validation/dynamic";
- static final String JAXP_SCHEMA_VALIDATION = "http://apache.org/xml/features/validation/schema";
-
- private static final String LOAD_MESSAGE = "Getting SvcLogicGraph from database - ";
- private static final String LOAD_ERROR_MESSAGE = "SvcLogicGraph not found - ";
- private static final String ACTIVATION_ERROR_MESSAGE = "Could not activate SvcLogicGraph - ";
- private static final String PRINT_ERROR_MESSAGE = "Could not print SvcLogicGraph - ";
- private static final String SVC_LOGIC_STORE_ERROR = "Could not get service logic store";
-
- private static final Logger LOGGER = LoggerFactory.getLogger(SvcLogicParser.class);
- private static final String SLI_VALIDATING_PARSER = "org.openecomp.sdnc.sli.parser.validate";
- private static final String SVCLOGIC_XSD = "/svclogic.xsd";
-
- private class SvcLogicHandler extends DefaultHandler {
- private Locator locator = null;
- private String module = null;
- private String version = null;
- private LinkedList<SvcLogicGraph> graphs = null;
- private SvcLogicGraph curGraph = null;
- private SvcLogicNode curNode = null;
- private LinkedList<SvcLogicNode> nodeStack = null;
- private int curNodeId = 0;
- private String outcomeValue = null;
- private LinkedList<String> outcomeStack = null;
- private SvcLogicStore svcLogicStore = null;
-
- public SvcLogicHandler(LinkedList<SvcLogicGraph> graphs, SvcLogicStore store) {
- this.graphs = graphs;
- this.curNode = null;
- this.nodeStack = new LinkedList<>();
- this.outcomeStack = new LinkedList<>();
- this.curNodeId = 1;
- this.outcomeValue = null;
- this.svcLogicStore = store;
-
- }
-
- @Override
- public void setDocumentLocator(Locator locator) {
- this.locator = locator;
- }
-
- @Override
- public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
-
- // Handle service-logic (graph) tag
- if ("service-logic".equalsIgnoreCase(qName)) {
-
- module = attributes.getValue("module");
- if (module == null || module.length() == 0) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Missing 'module' attribute from service-logic tag");
- }
-
- version = attributes.getValue("version");
- if (version == null || version.length() == 0) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Missing 'version' attribute from service-logic tag");
- }
-
- return;
- }
-
- if ("method".equalsIgnoreCase(qName)) {
- if (curGraph != null) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Cannot nest module tags");
- }
- curGraph = new SvcLogicGraph();
- curGraph.setModule(module);
- curGraph.setVersion(version);
- this.curNodeId = 1;
-
- String attrValue = attributes.getValue("rpc");
- if (attrValue == null || attrValue.length() == 0) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Missing 'rpc' attribute for method tag");
- }
- curGraph.setRpc(attrValue);
-
- attrValue = attributes.getValue("mode");
- if (attrValue == null || attrValue.length() == 0) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Missing 'mode' attribute for method tag");
- }
- curGraph.setMode(attrValue);
-
- return;
-
- }
-
- // Handle outcome (edge) tag
- if ("outcome".equalsIgnoreCase(qName)) {
- String refValue = attributes.getValue("ref");
-
- if (refValue != null) {
- SvcLogicNode refNode = curGraph.getNamedNode(refValue);
-
- if (refNode != null) {
- try {
- curNode.addOutcome(attributes.getValue("value"), refNode);
- } catch (SvcLogicException e) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Cannot add outcome", e);
- }
- } else {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "ref to unknown node " + refValue);
- }
- return;
- }
-
- if (outcomeValue != null) {
- outcomeStack.push(outcomeValue);
- }
- outcomeValue = attributes.getValue("value");
-
- return;
- }
-
- // Handle parameter tag
- if ("parameter".equalsIgnoreCase(qName)) {
- String parmName = attributes.getValue("name");
- String parmValue = attributes.getValue("value");
-
- if (parmName != null && parmName.length() > 0 && parmValue != null) {
- try {
-
- curNode.mapParameter(parmName, parmValue);
- } catch (Exception e) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + " cannot set parameter " + parmName + " to " + parmValue + " [" + e.getMessage() + "]");
- }
- }
-
- return;
- }
-
- // Handle node tags
-
- String nodeName = attributes.getValue("name");
- SvcLogicNode thisNode = null;
-
- try {
- if (!svcLogicStore.isValidNodeType(qName)) {
- throw new SAXNotRecognizedException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Unknown tag " + qName);
- }
- } catch (Exception e) {
- throw new SAXNotRecognizedException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Cannot validate node type " + qName);
- }
-
- try {
- if (nodeName != null && nodeName.length() > 0) {
- thisNode = new SvcLogicNode(curNodeId++, qName, nodeName, curGraph);
- } else {
- thisNode = new SvcLogicNode(curNodeId++, qName, curGraph);
- }
-
- if (curGraph.getRootNode() == null) {
- curGraph.setRootNode(thisNode);
- }
- } catch (SvcLogicException e) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + e.getMessage());
-
- }
-
- int numAttributes = attributes.getLength();
-
- for (int i = 0; i < numAttributes; i++) {
- String attrName = attributes.getQName(i);
- if (!"name".equalsIgnoreCase(attrName)) {
- try {
-
- String attrValueStr = attributes.getValue(i);
- SvcLogicExpression attrValue = null;
- if (attrValueStr.trim().startsWith("`")) {
- int lastParen = attrValueStr.lastIndexOf("`");
- String evalExpr = attrValueStr.trim().substring(1, lastParen);
- attrValue = SvcLogicExpressionFactory.parse(evalExpr);
-
- } else {
- if (Character.isDigit(attrValueStr.charAt(0))) {
- attrValue = new SvcLogicAtom("NUMBER", attrValueStr);
- } else {
- attrValue = new SvcLogicAtom("STRING", attrValueStr);
- }
- }
- thisNode.setAttribute(attrName, attrValue);
- } catch (Exception e) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Cannot set attribute " + attrName, e);
- }
- }
- }
-
- if (curNode != null) {
- try {
- if ("block".equalsIgnoreCase(curNode.getNodeType()) || "for".equalsIgnoreCase(curNode.getNodeType()) || "while".equalsIgnoreCase(curNode.getNodeType())) {
- curNode.addOutcome("" + (curNode.getNumOutcomes() + 1), thisNode);
- } else {
- if (outcomeValue == null) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + curNode.getNodeType() + " node expects outcome, instead found " + thisNode.getNodeType());
- }
- curNode.addOutcome(outcomeValue, thisNode);
- }
- } catch (SvcLogicException e) {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + e.getMessage());
- }
- nodeStack.push(curNode);
- }
- curNode = thisNode;
-
- }
-
- @Override
- public void endElement(String uri, String localName, String qName) throws SAXException {
-
- // Handle close of service-logic tag
- if ("service-logic".equalsIgnoreCase(qName)) {
- // Nothing more to do
- return;
- }
-
- // Handle close of method tag
- if ("method".equalsIgnoreCase(qName)) {
- graphs.add(curGraph);
- curGraph = null;
- return;
- }
-
- // Handle close of outcome tag
- if ("outcome".equalsIgnoreCase(qName)) {
- // Finished this outcome - pop the outcome stack
- if (outcomeStack.isEmpty()) {
- outcomeValue = null;
- } else {
- outcomeValue = outcomeStack.pop();
- }
- return;
- }
-
- // Handle close of parameter tag - do nothing
- if ("parameter".equalsIgnoreCase(qName)) {
- return;
- }
-
- // Handle close of a node tag
- if (nodeStack.isEmpty()) {
- curNode = null;
- } else {
- curNode = nodeStack.pop();
- }
- }
-
- @Override
- public void error(SAXParseException arg0) throws SAXException {
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + arg0.getMessage());
- }
-
- }
-
- public SvcLogicParser(SvcLogicStore store) {
- this.store = store;
- }
-
- public SvcLogicParser(String propFile) {
-
- try {
- this.store = SvcLogicStoreFactory.getSvcLogicStore(propFile);
- } catch (Exception e) {
- LOGGER.error(SVC_LOGIC_STORE_ERROR, e);
-
- }
-
- }
-
- public SvcLogicParser(InputStream propStr) {
-
- try {
- this.store = SvcLogicStoreFactory.getSvcLogicStore(propStr);
- } catch (Exception e) {
- LOGGER.error(SVC_LOGIC_STORE_ERROR, e);
-
- }
-
- }
-
- public LinkedList<SvcLogicGraph> parse(String fileName) throws SvcLogicException {
- LinkedList<SvcLogicGraph> graphs = null;
-
- URL xsdUrl = null;
- Schema schema = null;
- String validateSchema = System.getProperty(SLI_VALIDATING_PARSER, "true");
-
- if (validateSchema != null || validateSchema.equalsIgnoreCase("true")) {
- xsdUrl = getClass().getResource(SVCLOGIC_XSD);
-
- }
-
- if (xsdUrl != null) {
- try {
- SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
- schema = schemaFactory.newSchema(xsdUrl);
- } catch (Exception e) {
- LOGGER.warn("Could not validate using schema " + xsdUrl.getPath(), e);
- }
- } else {
- LOGGER.warn("Could not find resource " + SVCLOGIC_XSD);
- }
-
- try {
- SAXParserFactory factory = SAXParserFactory.newInstance();
-
- if (schema != null) {
- factory.setNamespaceAware(true);
- factory.setSchema(schema);
- }
- SAXParser saxParser = factory.newSAXParser();
-
- if (saxParser.isValidating()) {
- LOGGER.info("Validating against schema " + xsdUrl.getPath());
- }
- graphs = new LinkedList<>();
-
- saxParser.parse(fileName, new SvcLogicHandler(graphs, store));
-
- } catch (Exception e) {
- String msg = e.getMessage();
- if (msg != null) {
- LOGGER.error(msg);
- throw new SvcLogicException("Compiler error: " + fileName + " @ " + msg);
- } else {
- LOGGER.info("Caught exception parsing " + fileName, e);
- throw new SvcLogicException("Compiler error: " + fileName, e);
- }
- }
-
- return graphs;
- }
-
- public static void main(String argv[]) {
-
- if (argv.length == 0) {
- SvcLogicParser.usage();
- }
-
- if ("load".equalsIgnoreCase(argv[0])) {
- if (argv.length == 3) {
- String xmlfile = argv[1];
- String propfile = argv[2];
-
- SvcLogicStore store = SvcLogicParser.getStore(propfile);
- try {
- SvcLogicParser.load(xmlfile, store);
- } catch (Exception e) {
- LOGGER.error(e.getMessage(), e);
- }
- } else {
- SvcLogicParser.usage();
- }
- } else if ("print".equalsIgnoreCase(argv[0])) {
- String version = null;
- String propfile = null;
-
- switch (argv.length) {
- case 6:
- version = argv[4];
- propfile = argv[5];
- case 5:
- if (propfile == null) {
- propfile = argv[4];
- }
- SvcLogicStore store = SvcLogicParser.getStore(propfile);
- SvcLogicParser.print(argv[1], argv[2], argv[3], version, store);
- break;
- default:
- SvcLogicParser.usage();
- }
- } else if ("get-source".equalsIgnoreCase(argv[0])) {
-
- switch (argv.length) {
- case 6:
- SvcLogicStore store = SvcLogicParser.getStore(argv[5]);
- SvcLogicParser.getSource(argv[1], argv[2], argv[3], argv[4], store);
- break;
- default:
- SvcLogicParser.usage();
- }
- } else if ("activate".equalsIgnoreCase(argv[0])) {
- if (argv.length == 6) {
- SvcLogicStore store = SvcLogicParser.getStore(argv[5]);
- SvcLogicParser.activate(argv[1], argv[2], argv[3], argv[4], store);
- } else {
- SvcLogicParser.usage();
- }
- } else if ("validate".equalsIgnoreCase(argv[0])) {
- if (argv.length == 3) {
- String xmlfile = argv[1];
- String propfile = argv[2];
-
- System.setProperty(SLI_VALIDATING_PARSER, "true");
- SvcLogicStore store = SvcLogicParser.getStore(propfile);
- try {
- SvcLogicParser.validate(xmlfile, store);
- } catch (Exception e) {
- LOGGER.error(e.getMessage(), e);
- }
- } else {
- SvcLogicParser.usage();
- }
- }
-
- System.exit(0);
- }
-
- private static SvcLogicStore getStore(String propfile) {
-
- SvcLogicStore store = null;
-
- try {
- store = SvcLogicStoreFactory.getSvcLogicStore(propfile);
- } catch (Exception e) {
- LOGGER.error(SVC_LOGIC_STORE_ERROR, e);
- System.exit(1);
- }
-
- return store;
-
- }
-
- public static void load(String xmlfile, SvcLogicStore store) throws SvcLogicException {
- File xmlFile = new File(xmlfile);
- if (!xmlFile.canRead()) {
- throw new ConfigurationException("Cannot read xml file (" + xmlfile + ")");
- }
-
- SvcLogicParser parser = new SvcLogicParser(store);
- LinkedList<SvcLogicGraph> graphs = null;
- try {
- graphs = parser.parse(xmlfile);
- } catch (Exception e) {
- throw new SvcLogicException(e.getMessage(), e);
- }
-
- if (graphs == null) {
- throw new SvcLogicException("Could not parse " + xmlfile);
- }
-
- for (SvcLogicGraph graph : graphs) {
-
- String module = graph.getModule();
- String rpc = graph.getRpc();
- String version = graph.getVersion();
- String mode = graph.getMode();
- try {
- LOGGER.info("Saving SvcLogicGraph to database (module:" + module + ",rpc:" + rpc + ",version:" + version + ",mode:" + mode + ")");
- store.store(graph);
- } catch (Exception e) {
- throw new SvcLogicException(e.getMessage(), e);
- }
-
- }
-
- }
-
- public static void validate(String xmlfile, SvcLogicStore store) throws SvcLogicException {
- File xmlFile = new File(xmlfile);
- if (!xmlFile.canRead()) {
- throw new ConfigurationException("Cannot read xml file (" + xmlfile + ")");
- }
-
- SvcLogicParser parser = new SvcLogicParser(store);
- LinkedList<SvcLogicGraph> graphs = null;
- try {
- LOGGER.info("Validating " + xmlfile);
- graphs = parser.parse(xmlfile);
- } catch (Exception e) {
- throw new SvcLogicException(e.getMessage(), e);
- }
-
- if (graphs == null) {
- throw new SvcLogicException("Could not parse " + xmlfile);
- } else {
- LOGGER.info("Compilation successful for " + xmlfile);
- }
-
- }
-
- private static void print(String module, String rpc, String mode, String version, SvcLogicStore store) {
- String details = "(module:" + module + ", rpc:" + rpc + ", version:" + version + ", mode:" + mode + ")";
-
- try {
- LOGGER.info(LOAD_MESSAGE + details);
-
- SvcLogicGraph graph = store.fetch(module, rpc, version, mode);
- if (graph == null) {
- LOGGER.error(LOAD_ERROR_MESSAGE + details);
- System.exit(1);
- }
- graph.printAsGv(System.out);
- } catch (Exception e) {
- LOGGER.error(PRINT_ERROR_MESSAGE + details, e);
- System.exit(1);
- }
-
- }
-
- private static void getSource(String module, String rpc, String mode, String version, SvcLogicStore store) {
- String details = "(module:" + module + ", rpc:" + rpc + ", version:" + version + ", mode:" + mode + ")";
-
- try {
- LOGGER.info(LOAD_MESSAGE + details);
-
- SvcLogicGraph graph = store.fetch(module, rpc, version, mode);
- if (graph == null) {
- LOGGER.error(LOAD_ERROR_MESSAGE + details);
- System.exit(1);
- }
- graph.printAsXml(System.out);
- } catch (Exception e) {
- LOGGER.error(PRINT_ERROR_MESSAGE + details, e);
- System.exit(1);
- }
-
- }
-
- private static void activate(String module, String rpc, String version, String mode, SvcLogicStore store) {
- String details = "(module:" + module + ", rpc:" + rpc + ", version:" + version + ", mode:" + mode + ")";
-
- try {
- LOGGER.info(LOAD_MESSAGE + details);
-
- SvcLogicGraph graph = store.fetch(module, rpc, version, mode);
- if (graph == null) {
- LOGGER.error(LOAD_ERROR_MESSAGE + details);
- System.exit(1);
- }
- store.activate(graph);
- } catch (Exception e) {
- LOGGER.error(ACTIVATION_ERROR_MESSAGE + details, e);
- System.exit(1);
- }
-
- }
-
- private static void usage() {
- System.err.println("Usage: SvcLogicParser load <xml-file> <prop-file>");
- System.err.println(" OR SvcLogicParser print <module> <rpc> <mode> [<version>] <prop-file>");
- System.err.println(" OR SvcLogicParser get-source <module> <rpc> <mode> <version> <prop-file>");
- System.err.println(" OR SvcLogicParser activate <module> <rpc> <version> <mode>");
- System.exit(1);
- }
-
-}
Code Review / sdnc / core.git / blobdiff