-/*-\r
+/*-
* ============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");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- * \r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- * \r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
+ * 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=========================================================\r
- */\r
-\r
-package org.openecomp.sdnc.sli;\r
-\r
-import java.io.File;\r
-import java.io.InputStream;\r
-import java.net.URL;\r
-import java.util.LinkedList;\r
-\r
-import javax.xml.XMLConstants;\r
-import javax.xml.parsers.SAXParser;\r
-import javax.xml.parsers.SAXParserFactory;\r
-import javax.xml.validation.Schema;\r
-import javax.xml.validation.SchemaFactory;\r
-\r
-import org.slf4j.Logger;\r
-import org.slf4j.LoggerFactory;\r
-import org.xml.sax.Attributes;\r
-import org.xml.sax.Locator;\r
-import org.xml.sax.SAXException;\r
-import org.xml.sax.SAXNotRecognizedException;\r
-import org.xml.sax.SAXParseException;\r
-import org.xml.sax.helpers.DefaultHandler;\r
-\r
-/**\r
- * @author dt5972\r
- *\r
- */\r
-public class SvcLogicParser {\r
-\r
- SvcLogicStore store = null;\r
- static final String JAXP_SCHEMA_LANGUAGE = "http://java.sun.com/xml/jaxp/properties/schemaLanguage";\r
- static final String W3C_XML_SCHEMA = "http://www.w3.org/2001/XMLSchema";\r
- static final String JAXP_SCHEMA_SOURCE = "http://java.sun.com/xml/jaxp/properties/schemaSource";\r
- static final String JAXP_DYNAMIC_VALIDATION = "http://apache.org/xml/features/validation/dynamic";\r
- static final String JAXP_SCHEMA_VALIDATION = "http://apache.org/xml/features/validation/schema";\r
-\r
- private static final String LOAD_MESSAGE = "Getting SvcLogicGraph from database - ";\r
- private static final String LOAD_ERROR_MESSAGE = "SvcLogicGraph not found - ";\r
- private static final String ACTIVATION_ERROR_MESSAGE = "Could not activate SvcLogicGraph - ";\r
- private static final String PRINT_ERROR_MESSAGE = "Could not print SvcLogicGraph - ";\r
- private static final String SVC_LOGIC_STORE_ERROR = "Could not get service logic store";\r
-\r
- private static final Logger LOGGER = LoggerFactory.getLogger(SvcLogicParser.class);\r
- private static final String SLI_VALIDATING_PARSER = "org.openecomp.sdnc.sli.parser.validate";\r
- private static final String SVCLOGIC_XSD = "/svclogic.xsd";\r
-\r
- private class SvcLogicHandler extends DefaultHandler {\r
- private Locator locator = null;\r
- private String module = null;\r
- private String version = null;\r
- private LinkedList<SvcLogicGraph> graphs = null;\r
- private SvcLogicGraph curGraph = null;\r
- private SvcLogicNode curNode = null;\r
- private LinkedList<SvcLogicNode> nodeStack = null;\r
- private int curNodeId = 0;\r
- private String outcomeValue = null;\r
- private LinkedList<String> outcomeStack = null;\r
- private SvcLogicStore svcLogicStore = null;\r
-\r
- public SvcLogicHandler(LinkedList<SvcLogicGraph> graphs, SvcLogicStore store) {\r
- this.graphs = graphs;\r
- this.curNode = null;\r
- this.nodeStack = new LinkedList<>();\r
- this.outcomeStack = new LinkedList<>();\r
- this.curNodeId = 1;\r
- this.outcomeValue = null;\r
- this.svcLogicStore = store;\r
-\r
- }\r
-\r
- @Override\r
- public void setDocumentLocator(Locator locator) {\r
- this.locator = locator;\r
- }\r
-\r
- @Override\r
- public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {\r
-\r
- // Handle service-logic (graph) tag\r
- if ("service-logic".equalsIgnoreCase(qName)) {\r
-\r
- module = attributes.getValue("module");\r
- if (module == null || module.length() == 0) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Missing 'module' attribute from service-logic tag");\r
- }\r
-\r
- version = attributes.getValue("version");\r
- if (version == null || version.length() == 0) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Missing 'version' attribute from service-logic tag");\r
- }\r
-\r
- return;\r
- }\r
-\r
- if ("method".equalsIgnoreCase(qName)) {\r
- if (curGraph != null) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Cannot nest module tags");\r
- }\r
- curGraph = new SvcLogicGraph();\r
- curGraph.setModule(module);\r
- curGraph.setVersion(version);\r
- this.curNodeId = 1;\r
-\r
- String attrValue = attributes.getValue("rpc");\r
- if (attrValue == null || attrValue.length() == 0) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Missing 'rpc' attribute for method tag");\r
- }\r
- curGraph.setRpc(attrValue);\r
-\r
- attrValue = attributes.getValue("mode");\r
- if (attrValue == null || attrValue.length() == 0) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Missing 'mode' attribute for method tag");\r
- }\r
- curGraph.setMode(attrValue);\r
-\r
- return;\r
-\r
- }\r
-\r
- // Handle outcome (edge) tag\r
- if ("outcome".equalsIgnoreCase(qName)) {\r
- String refValue = attributes.getValue("ref");\r
-\r
- if (refValue != null) {\r
- SvcLogicNode refNode = curGraph.getNamedNode(refValue);\r
-\r
- if (refNode != null) {\r
- try {\r
- curNode.addOutcome(attributes.getValue("value"), refNode);\r
- } catch (SvcLogicException e) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Cannot add outcome", e);\r
- }\r
- } else {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "ref to unknown node " + refValue);\r
- }\r
- return;\r
- }\r
-\r
- if (outcomeValue != null) {\r
- outcomeStack.push(outcomeValue);\r
- }\r
- outcomeValue = attributes.getValue("value");\r
-\r
- return;\r
- }\r
-\r
- // Handle parameter tag\r
- if ("parameter".equalsIgnoreCase(qName)) {\r
- String parmName = attributes.getValue("name");\r
- String parmValue = attributes.getValue("value");\r
-\r
- if (parmName != null && parmName.length() > 0 && parmValue != null) {\r
- try {\r
-\r
- curNode.mapParameter(parmName, parmValue);\r
- } catch (Exception e) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + " cannot set parameter " + parmName + " to " + parmValue + " [" + e.getMessage() + "]");\r
- }\r
- }\r
-\r
- return;\r
- }\r
-\r
- // Handle node tags\r
-\r
- String nodeName = attributes.getValue("name");\r
- SvcLogicNode thisNode = null;\r
-\r
- try {\r
- if (!svcLogicStore.isValidNodeType(qName)) {\r
- throw new SAXNotRecognizedException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Unknown tag " + qName);\r
- }\r
- } catch (Exception e) {\r
- throw new SAXNotRecognizedException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Cannot validate node type " + qName);\r
- }\r
-\r
- try {\r
- if (nodeName != null && nodeName.length() > 0) {\r
- thisNode = new SvcLogicNode(curNodeId++, qName, nodeName, curGraph);\r
- } else {\r
- thisNode = new SvcLogicNode(curNodeId++, qName, curGraph);\r
- }\r
-\r
- if (curGraph.getRootNode() == null) {\r
- curGraph.setRootNode(thisNode);\r
- }\r
- } catch (SvcLogicException e) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + e.getMessage());\r
-\r
- }\r
-\r
- int numAttributes = attributes.getLength();\r
-\r
- for (int i = 0; i < numAttributes; i++) {\r
- String attrName = attributes.getQName(i);\r
- if (!"name".equalsIgnoreCase(attrName)) {\r
- try {\r
-\r
- String attrValueStr = attributes.getValue(i);\r
- SvcLogicExpression attrValue = null;\r
- if (attrValueStr.trim().startsWith("`")) {\r
- int lastParen = attrValueStr.lastIndexOf("`");\r
- String evalExpr = attrValueStr.trim().substring(1, lastParen);\r
- attrValue = SvcLogicExpressionFactory.parse(evalExpr);\r
-\r
- } else {\r
- if (Character.isDigit(attrValueStr.charAt(0))) {\r
- attrValue = new SvcLogicAtom("NUMBER", attrValueStr);\r
- } else {\r
- attrValue = new SvcLogicAtom("STRING", attrValueStr);\r
- }\r
- }\r
- thisNode.setAttribute(attrName, attrValue);\r
- } catch (Exception e) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + "Cannot set attribute " + attrName, e);\r
- }\r
- }\r
- }\r
-\r
- if (curNode != null) {\r
- try {\r
- if ("block".equalsIgnoreCase(curNode.getNodeType()) || "for".equalsIgnoreCase(curNode.getNodeType()) || "while".equalsIgnoreCase(curNode.getNodeType())) {\r
- curNode.addOutcome("" + (curNode.getNumOutcomes() + 1), thisNode);\r
- } else {\r
- if (outcomeValue == null) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + curNode.getNodeType() + " node expects outcome, instead found " + thisNode.getNodeType());\r
- }\r
- curNode.addOutcome(outcomeValue, thisNode);\r
- }\r
- } catch (SvcLogicException e) {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + e.getMessage());\r
- }\r
- nodeStack.push(curNode);\r
- }\r
- curNode = thisNode;\r
-\r
- }\r
-\r
- @Override\r
- public void endElement(String uri, String localName, String qName) throws SAXException {\r
-\r
- // Handle close of service-logic tag\r
- if ("service-logic".equalsIgnoreCase(qName)) {\r
- // Nothing more to do\r
- return;\r
- }\r
-\r
- // Handle close of method tag\r
- if ("method".equalsIgnoreCase(qName)) {\r
- graphs.add(curGraph);\r
- curGraph = null;\r
- return;\r
- }\r
-\r
- // Handle close of outcome tag\r
- if ("outcome".equalsIgnoreCase(qName)) {\r
- // Finished this outcome - pop the outcome stack\r
- if (outcomeStack.isEmpty()) {\r
- outcomeValue = null;\r
- } else {\r
- outcomeValue = outcomeStack.pop();\r
- }\r
- return;\r
- }\r
-\r
- // Handle close of parameter tag - do nothing\r
- if ("parameter".equalsIgnoreCase(qName)) {\r
- return;\r
- }\r
-\r
- // Handle close of a node tag\r
- if (nodeStack.isEmpty()) {\r
- curNode = null;\r
- } else {\r
- curNode = nodeStack.pop();\r
- }\r
- }\r
-\r
- @Override\r
- public void error(SAXParseException arg0) throws SAXException {\r
- throw new SAXException("line " + locator.getLineNumber() + ":" + locator.getColumnNumber() + " " + arg0.getMessage());\r
- }\r
-\r
- }\r
-\r
- public SvcLogicParser(SvcLogicStore store) {\r
- this.store = store;\r
- }\r
-\r
- public SvcLogicParser(String propFile) {\r
-\r
- try {\r
- this.store = SvcLogicStoreFactory.getSvcLogicStore(propFile);\r
- } catch (Exception e) {\r
- LOGGER.error(SVC_LOGIC_STORE_ERROR, e);\r
-\r
- }\r
-\r
- }\r
-\r
- public SvcLogicParser(InputStream propStr) {\r
-\r
- try {\r
- this.store = SvcLogicStoreFactory.getSvcLogicStore(propStr);\r
- } catch (Exception e) {\r
- LOGGER.error(SVC_LOGIC_STORE_ERROR, e);\r
-\r
- }\r
-\r
- }\r
-\r
- public LinkedList<SvcLogicGraph> parse(String fileName) throws SvcLogicException {\r
- LinkedList<SvcLogicGraph> graphs = null;\r
-\r
- URL xsdUrl = null;\r
- Schema schema = null;\r
- String validateSchema = System.getProperty(SLI_VALIDATING_PARSER, "true");\r
-\r
- if (validateSchema != null || validateSchema.equalsIgnoreCase("true")) {\r
- xsdUrl = getClass().getResource(SVCLOGIC_XSD);\r
-\r
- }\r
-\r
- if (xsdUrl != null) {\r
- try {\r
- SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);\r
- schema = schemaFactory.newSchema(xsdUrl);\r
- } catch (Exception e) {\r
- LOGGER.warn("Could not validate using schema " + xsdUrl.getPath(), e);\r
- }\r
- } else {\r
- LOGGER.warn("Could not find resource " + SVCLOGIC_XSD);\r
- }\r
-\r
- try {\r
- SAXParserFactory factory = SAXParserFactory.newInstance();\r
-\r
- if (schema != null) {\r
- factory.setNamespaceAware(true);\r
- factory.setSchema(schema);\r
- }\r
- SAXParser saxParser = factory.newSAXParser();\r
-\r
- if (saxParser.isValidating()) {\r
- LOGGER.info("Validating against schema " + xsdUrl.getPath());\r
- }\r
- graphs = new LinkedList<>();\r
-\r
- saxParser.parse(fileName, new SvcLogicHandler(graphs, store));\r
-\r
- } catch (Exception e) {\r
- String msg = e.getMessage();\r
- if (msg != null) {\r
- LOGGER.error(msg);\r
- throw new SvcLogicException("Compiler error: " + fileName + " @ " + msg);\r
- } else {\r
- LOGGER.info("Caught exception parsing " + fileName, e);\r
- throw new SvcLogicException("Compiler error: " + fileName, e);\r
- }\r
- }\r
-\r
- return graphs;\r
- }\r
-\r
- public static void main(String argv[]) {\r
-\r
- if (argv.length == 0) {\r
- SvcLogicParser.usage();\r
- }\r
-\r
- if ("load".equalsIgnoreCase(argv[0])) {\r
- if (argv.length == 3) {\r
- String xmlfile = argv[1];\r
- String propfile = argv[2];\r
-\r
- SvcLogicStore store = SvcLogicParser.getStore(propfile);\r
- try {\r
- SvcLogicParser.load(xmlfile, store);\r
- } catch (Exception e) {\r
- LOGGER.error(e.getMessage(), e);\r
- }\r
- } else {\r
- SvcLogicParser.usage();\r
- }\r
- } else if ("print".equalsIgnoreCase(argv[0])) {\r
- String version = null;\r
- String propfile = null;\r
-\r
- switch (argv.length) {\r
- case 6:\r
- version = argv[4];\r
- propfile = argv[5];\r
- case 5:\r
- if (propfile == null) {\r
- propfile = argv[4];\r
- }\r
- SvcLogicStore store = SvcLogicParser.getStore(propfile);\r
- SvcLogicParser.print(argv[1], argv[2], argv[3], version, store);\r
- break;\r
- default:\r
- SvcLogicParser.usage();\r
- }\r
- } else if ("get-source".equalsIgnoreCase(argv[0])) {\r
-\r
- switch (argv.length) {\r
- case 6:\r
- SvcLogicStore store = SvcLogicParser.getStore(argv[5]);\r
- SvcLogicParser.getSource(argv[1], argv[2], argv[3], argv[4], store);\r
- break;\r
- default:\r
- SvcLogicParser.usage();\r
- }\r
- } else if ("activate".equalsIgnoreCase(argv[0])) {\r
- if (argv.length == 6) {\r
- SvcLogicStore store = SvcLogicParser.getStore(argv[5]);\r
- SvcLogicParser.activate(argv[1], argv[2], argv[3], argv[4], store);\r
- } else {\r
- SvcLogicParser.usage();\r
- }\r
- } else if ("validate".equalsIgnoreCase(argv[0])) {\r
- if (argv.length == 3) {\r
- String xmlfile = argv[1];\r
- String propfile = argv[2];\r
-\r
- System.setProperty(SLI_VALIDATING_PARSER, "true");\r
- SvcLogicStore store = SvcLogicParser.getStore(propfile);\r
- try {\r
- SvcLogicParser.validate(xmlfile, store);\r
- } catch (Exception e) {\r
- LOGGER.error(e.getMessage(), e);\r
- }\r
- } else {\r
- SvcLogicParser.usage();\r
- }\r
- }\r
-\r
- System.exit(0);\r
- }\r
-\r
- private static SvcLogicStore getStore(String propfile) {\r
-\r
- SvcLogicStore store = null;\r
-\r
- try {\r
- store = SvcLogicStoreFactory.getSvcLogicStore(propfile);\r
- } catch (Exception e) {\r
- LOGGER.error(SVC_LOGIC_STORE_ERROR, e);\r
- System.exit(1);\r
- }\r
-\r
- return store;\r
-\r
- }\r
-\r
- public static void load(String xmlfile, SvcLogicStore store) throws SvcLogicException {\r
- File xmlFile = new File(xmlfile);\r
- if (!xmlFile.canRead()) {\r
- throw new ConfigurationException("Cannot read xml file (" + xmlfile + ")");\r
- }\r
-\r
- SvcLogicParser parser = new SvcLogicParser(store);\r
- LinkedList<SvcLogicGraph> graphs = null;\r
- try {\r
- graphs = parser.parse(xmlfile);\r
- } catch (Exception e) {\r
- throw new SvcLogicException(e.getMessage(), e);\r
- }\r
-\r
- if (graphs == null) {\r
- throw new SvcLogicException("Could not parse " + xmlfile);\r
- }\r
-\r
- for (SvcLogicGraph graph : graphs) {\r
-\r
- String module = graph.getModule();\r
- String rpc = graph.getRpc();\r
- String version = graph.getVersion();\r
- String mode = graph.getMode();\r
- try {\r
- LOGGER.info("Saving SvcLogicGraph to database (module:" + module + ",rpc:" + rpc + ",version:" + version + ",mode:" + mode + ")");\r
- store.store(graph);\r
- } catch (Exception e) {\r
- throw new SvcLogicException(e.getMessage(), e);\r
- }\r
-\r
- }\r
-\r
- }\r
-\r
- public static void validate(String xmlfile, SvcLogicStore store) throws SvcLogicException {\r
- File xmlFile = new File(xmlfile);\r
- if (!xmlFile.canRead()) {\r
- throw new ConfigurationException("Cannot read xml file (" + xmlfile + ")");\r
- }\r
-\r
- SvcLogicParser parser = new SvcLogicParser(store);\r
- LinkedList<SvcLogicGraph> graphs = null;\r
- try {\r
- LOGGER.info("Validating " + xmlfile);\r
- graphs = parser.parse(xmlfile);\r
- } catch (Exception e) {\r
- throw new SvcLogicException(e.getMessage(), e);\r
- }\r
-\r
- if (graphs == null) {\r
- throw new SvcLogicException("Could not parse " + xmlfile);\r
- } else {\r
- LOGGER.info("Compilation successful for " + xmlfile);\r
- }\r
-\r
- }\r
-\r
- private static void print(String module, String rpc, String mode, String version, SvcLogicStore store) {\r
- String details = "(module:" + module + ", rpc:" + rpc + ", version:" + version + ", mode:" + mode + ")";\r
-\r
- try {\r
- LOGGER.info(LOAD_MESSAGE + details);\r
-\r
- SvcLogicGraph graph = store.fetch(module, rpc, version, mode);\r
- if (graph == null) {\r
- LOGGER.error(LOAD_ERROR_MESSAGE + details);\r
- System.exit(1);\r
- }\r
- graph.printAsGv(System.out);\r
- } catch (Exception e) {\r
- LOGGER.error(PRINT_ERROR_MESSAGE + details, e);\r
- System.exit(1);\r
- }\r
-\r
- }\r
-\r
- private static void getSource(String module, String rpc, String mode, String version, SvcLogicStore store) {\r
- String details = "(module:" + module + ", rpc:" + rpc + ", version:" + version + ", mode:" + mode + ")";\r
-\r
- try {\r
- LOGGER.info(LOAD_MESSAGE + details);\r
-\r
- SvcLogicGraph graph = store.fetch(module, rpc, version, mode);\r
- if (graph == null) {\r
- LOGGER.error(LOAD_ERROR_MESSAGE + details);\r
- System.exit(1);\r
- }\r
- graph.printAsXml(System.out);\r
- } catch (Exception e) {\r
- LOGGER.error(PRINT_ERROR_MESSAGE + details, e);\r
- System.exit(1);\r
- }\r
-\r
- }\r
-\r
- private static void activate(String module, String rpc, String version, String mode, SvcLogicStore store) {\r
- String details = "(module:" + module + ", rpc:" + rpc + ", version:" + version + ", mode:" + mode + ")";\r
-\r
- try {\r
- LOGGER.info(LOAD_MESSAGE + details);\r
-\r
- SvcLogicGraph graph = store.fetch(module, rpc, version, mode);\r
- if (graph == null) {\r
- LOGGER.error(LOAD_ERROR_MESSAGE + details);\r
- System.exit(1);\r
- }\r
- store.activate(graph);\r
- } catch (Exception e) {\r
- LOGGER.error(ACTIVATION_ERROR_MESSAGE + details, e);\r
- System.exit(1);\r
- }\r
-\r
- }\r
-\r
- private static void usage() {\r
- System.err.println("Usage: SvcLogicParser load <xml-file> <prop-file>");\r
- System.err.println(" OR SvcLogicParser print <module> <rpc> <mode> [<version>] <prop-file>");\r
- System.err.println(" OR SvcLogicParser get-source <module> <rpc> <mode> <version> <prop-file>");\r
- System.err.println(" OR SvcLogicParser activate <module> <rpc> <version> <mode>");\r
- System.exit(1);\r
- }\r
-\r
-}\r
+ * ============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 / commitdiff