Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ package org.apache.ode.bpel.compiler.bom; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.ode.bpel.compiler.BpelC; import org.apache.ode.bpel.compiler.bom.IfActivity.Case; import org.apache.ode.utils.DOMUtils; import org.apache.ode.utils.XMLParserUtils; import org.jaxen.saxpath.SAXPathException; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.xml.sax.ErrorHandler; import org.xml.sax.InputSource; import org.xml.sax.SAXException; import org.xml.sax.SAXParseException; import org.xml.sax.XMLReader; import javax.xml.namespace.QName; import java.io.IOException; import java.lang.reflect.Constructor; import java.net.URI; import java.net.URISyntaxException; import java.util.HashMap; import java.util.Map; public class BpelObjectFactory { private static final Log __log = LogFactory.getLog(BpelObjectFactory.class); private static BpelObjectFactory __instance = new BpelObjectFactory(); public static final String WSDL = "http://schemas.xmlsoap.org/wsdl/"; public static final String XML = "http://www.w3.org/2001/xml.xsd"; private final Map<QName, Class<? extends BpelObject>> _mappings = new HashMap<QName, Class<? extends BpelObject>>(); private Class[] __CTOR = { Element.class }; public BpelObjectFactory() { // // BPEL 2.0 Final Mappings // _mappings.put(Bpel20QNames.FINAL_PROCESS, Process.class); _mappings.put(Bpel20QNames.FINAL_ASSIGN, AssignActivity.class); _mappings.put(Bpel20QNames.FINAL_EMPTY, EmptyActivity.class); _mappings.put(Bpel20QNames.FINAL_INVOKE, InvokeActivity.class); _mappings.put(Bpel20QNames.FINAL_RECEIVE, ReceiveActivity.class); _mappings.put(Bpel20QNames.FINAL_REPLY, ReplyActivity.class); _mappings.put(Bpel20QNames.FINAL_WAIT, WaitActivity.class); _mappings.put(Bpel20QNames.FINAL_THROW, ThrowActivity.class); _mappings.put(Bpel20QNames.FINAL_COMPENSATE, CompensateActivity.class); _mappings.put(Bpel20QNames.FINAL_COMPENSATE_SCOPE, CompensateScopeActivity.class); _mappings.put(Bpel20QNames.FINAL_RETHROW, RethrowActivity.class); _mappings.put(Bpel20QNames.FINAL_EXIT, TerminateActivity.class); _mappings.put(Bpel20QNames.FINAL_FLOW, FlowActivity.class); _mappings.put(Bpel20QNames.FINAL_SWITCH, IfActivity.class); _mappings.put(Bpel20QNames.FINAL_IF, IfActivity.class); _mappings.put(Bpel20QNames.FINAL_WHILE, WhileActivity.class); _mappings.put(Bpel20QNames.FINAL_REPEATUNTIL, RepeatUntilActivity.class); _mappings.put(Bpel20QNames.FINAL_SEQUENCE, SequenceActivity.class); _mappings.put(Bpel20QNames.FINAL_PICK, PickActivity.class); _mappings.put(Bpel20QNames.FINAL_SCOPE, ScopeActivity.class); _mappings.put(Bpel20QNames.FINAL_FOREACH, ForEachActivity.class); _mappings.put(Bpel20QNames.FINAL_COMPLETION_CONDITION, CompletionCondition.class); _mappings.put(Bpel20QNames.FINAL_BRANCHES, Branches.class); _mappings.put(Bpel20QNames.FINAL_COPY, Copy.class); _mappings.put(Bpel20QNames.FINAL_CATCH, Catch.class); _mappings.put(Bpel20QNames.FINAL_CATCHALL, Catch.class); _mappings.put(Bpel20QNames.FINAL_TO, To.class); _mappings.put(Bpel20QNames.FINAL_FROM, From.class); _mappings.put(Bpel20QNames.FINAL_START_COUNTER_VALUE, Expression.class); _mappings.put(Bpel20QNames.FINAL_FINAL_COUNTER_VALUE, Expression.class); _mappings.put(Bpel20QNames.FINAL_CORRELATION, Correlation.class); _mappings.put(Bpel20QNames.FINAL_CORRELATIONSET, CorrelationSet.class); _mappings.put(Bpel20QNames.FINAL_COMPENSATE, CompensateActivity.class); _mappings.put(Bpel20QNames.FINAL_COMPENSATE_SCOPE, CompensateScopeActivity.class); _mappings.put(Bpel20QNames.FINAL_COMPENSATIONHANDLER, CompensationHandler.class); _mappings.put(Bpel20QNames.FINAL_FAULTHANDLERS, FaultHandler.class); _mappings.put(Bpel20QNames.FINAL_TERMINATIONHANDLER, TerminationHandler.class); _mappings.put(Bpel20QNames.FINAL_CASE, IfActivity.Case.class); _mappings.put(Bpel20QNames.FINAL_CONDITION, Expression.class); _mappings.put(Bpel20QNames.FINAL_UNTIL, Expression.class); _mappings.put(Bpel20QNames.FINAL_FOR, Expression.class); _mappings.put(Bpel20QNames.FINAL_REPEAT_EVERY, Expression.class); _mappings.put(Bpel20QNames.FINAL_ONALARM, OnAlarm.class); _mappings.put(Bpel20QNames.FINAL_ONEVENT, OnEvent.class); _mappings.put(Bpel20QNames.FINAL_ONMESSAGE, OnMessage.class); _mappings.put(Bpel20QNames.FINAL_LITERAL, LiteralVal.class); _mappings.put(Bpel20QNames.FINAL_PLINKTYPE, PartnerLinkType.class); _mappings.put(Bpel20QNames.FINAL_PLINKROLE, PartnerLinkType.Role.class); _mappings.put(Bpel20QNames.FINAL_PROPALIAS, PropertyAlias.class); _mappings.put(Bpel20QNames.FINAL_PROPQUERY, Query.class); _mappings.put(Bpel20QNames.FINAL_PROPERTY, Property.class); _mappings.put(Bpel20QNames.FINAL_VARIABLES, Variables.class); _mappings.put(Bpel20QNames.FINAL_VARIABLE, Variable.class); _mappings.put(Bpel20QNames.FINAL_PARTNERLINKS, PartnerLinks.class); _mappings.put(Bpel20QNames.FINAL_PARTNERLINK, PartnerLink.class); _mappings.put(Bpel20QNames.FINAL_CORRELATIONSETS, CorrelationSets.class); _mappings.put(Bpel20QNames.FINAL_JOIN_CONDITION, Expression.class); _mappings.put(Bpel20QNames.FINAL_LINKS, Links.class); _mappings.put(Bpel20QNames.FINAL_LINK, Link.class); _mappings.put(Bpel20QNames.FINAL_SOURCE, LinkSource.class); _mappings.put(Bpel20QNames.FINAL_TARGET, LinkTarget.class); _mappings.put(Bpel20QNames.FINAL_SOURCES, BpelObject.class); _mappings.put(Bpel20QNames.FINAL_TARGETS, BpelObject.class); _mappings.put(Bpel20QNames.FINAL_IMPORT, Import.class); _mappings.put(Bpel20QNames.FINAL_QUERY, Query.class); _mappings.put(Bpel20QNames.FINAL_TRANSITION_CONDITION, Expression.class); _mappings.put(Bpel20QNames.FINAL_THEN, Case.class); _mappings.put(Bpel20QNames.FINAL_ELSE, Case.class); _mappings.put(Bpel20QNames.FINAL_ELSEIF, Case.class); _mappings.put(Bpel20QNames.FINAL_CORRELATIONS, Correlations.class); _mappings.put(Bpel20QNames.FINAL_EVENTHANDLERS, BpelObject.class); _mappings.put(Bpel20QNames.FINAL_TARGETS, Targets.class); _mappings.put(Bpel20QNames.FINAL_SOURCES, Sources.class); // // BPEL 2.0 draft Mappings // _mappings.put(Bpel20QNames.PROCESS, Process.class); _mappings.put(Bpel20QNames.ASSIGN, AssignActivity.class); _mappings.put(Bpel20QNames.EMPTY, EmptyActivity.class); _mappings.put(Bpel20QNames.INVOKE, InvokeActivity.class); _mappings.put(Bpel20QNames.RECEIVE, ReceiveActivity.class); _mappings.put(Bpel20QNames.REPLY, ReplyActivity.class); _mappings.put(Bpel20QNames.WAIT, WaitActivity.class); _mappings.put(Bpel20QNames.THROW, ThrowActivity.class); _mappings.put(Bpel20QNames.COMPENSATE, CompensateScopeActivity.class); _mappings.put(Bpel20QNames.RETHROW, RethrowActivity.class); _mappings.put(Bpel20QNames.EXIT, TerminateActivity.class); _mappings.put(Bpel20QNames.FLOW, FlowActivity.class); _mappings.put(Bpel20QNames.SWITCH, IfActivity.class); _mappings.put(Bpel20QNames.IF, IfActivity.class); _mappings.put(Bpel20QNames.WHILE, WhileActivity.class); _mappings.put(Bpel20QNames.REPEATUNTIL, RepeatUntilActivity.class); _mappings.put(Bpel20QNames.SEQUENCE, SequenceActivity.class); _mappings.put(Bpel20QNames.PICK, PickActivity.class); _mappings.put(Bpel20QNames.SCOPE, ScopeActivity.class); _mappings.put(Bpel20QNames.FOREACH, ForEachActivity.class); _mappings.put(Bpel20QNames.COPY, Copy.class); _mappings.put(Bpel20QNames.CATCH, Catch.class); _mappings.put(Bpel20QNames.CATCHALL, Catch.class); _mappings.put(Bpel20QNames.TO, To.class); _mappings.put(Bpel20QNames.FROM, From.class); _mappings.put(Bpel20QNames.START_COUNTER_VALUE, Expression.class); _mappings.put(Bpel20QNames.FINAL_COUNTER_VALUE, Expression.class); _mappings.put(Bpel20QNames.COMPLETION_CONDITION, CompletionCondition.class); _mappings.put(Bpel20QNames.BRANCHES, Branches.class); _mappings.put(Bpel20QNames.CORRELATION, Correlation.class); _mappings.put(Bpel20QNames.CORRELATIONSET, CorrelationSet.class); _mappings.put(Bpel20QNames.COMPENSATE, CompensateScopeActivity.class); _mappings.put(Bpel20QNames.COMPENSATE_SCOPE, CompensateScopeActivity.class); _mappings.put(Bpel20QNames.COMPENSATIONHANDLER, CompensationHandler.class); _mappings.put(Bpel20QNames.FAULTHANDLERS, FaultHandler.class); _mappings.put(Bpel20QNames.TERMINATIONHANDLER, TerminationHandler.class); _mappings.put(Bpel20QNames.CASE, IfActivity.Case.class); _mappings.put(Bpel20QNames.CONDITION, Expression.class); _mappings.put(Bpel20QNames.UNTIL, Expression.class); _mappings.put(Bpel20QNames.FOR, Expression.class); _mappings.put(Bpel20QNames.REPEAT_EVERY, Expression.class); _mappings.put(Bpel20QNames.ONALARM, OnAlarm.class); _mappings.put(Bpel20QNames.ONEVENT, OnEvent.class); _mappings.put(Bpel20QNames.ONMESSAGE, OnMessage.class); _mappings.put(Bpel20QNames.LITERAL, LiteralVal.class); _mappings.put(Bpel20QNames.PLINKTYPE, PartnerLinkType.class); _mappings.put(Bpel20QNames.PLINKROLE, PartnerLinkType.Role.class); _mappings.put(Bpel20QNames.PROPALIAS, PropertyAlias.class); _mappings.put(Bpel20QNames.PROPERTY, Property.class); _mappings.put(Bpel20QNames.VARIABLES, Variables.class); _mappings.put(Bpel20QNames.VARIABLE, Variable.class); _mappings.put(Bpel20QNames.PARTNERLINKS, PartnerLinks.class); _mappings.put(Bpel20QNames.PARTNERLINK, PartnerLink.class); _mappings.put(Bpel20QNames.CORRELATIONSETS, CorrelationSets.class); _mappings.put(Bpel20QNames.JOIN_CONDITION, Expression.class); _mappings.put(Bpel20QNames.LINKS, Links.class); _mappings.put(Bpel20QNames.LINK, Link.class); _mappings.put(Bpel20QNames.SOURCE, LinkSource.class); _mappings.put(Bpel20QNames.TARGET, LinkTarget.class); _mappings.put(Bpel20QNames.SOURCES, BpelObject.class); _mappings.put(Bpel20QNames.TARGETS, BpelObject.class); _mappings.put(Bpel20QNames.IMPORT, Import.class); _mappings.put(Bpel20QNames.QUERY, Query.class); _mappings.put(Bpel20QNames.TRANSITION_CONDITION, Expression.class); _mappings.put(Bpel20QNames.THEN, Case.class); _mappings.put(Bpel20QNames.ELSE, Case.class); _mappings.put(Bpel20QNames.ELSEIF, Case.class); _mappings.put(Bpel20QNames.CORRELATIONS, Correlations.class); _mappings.put(Bpel20QNames.EVENTHANDLERS, BpelObject.class); _mappings.put(Bpel20QNames.TARGETS, Targets.class); _mappings.put(Bpel20QNames.SOURCES, Sources.class); _mappings.put(Bpel20QNames.RDF_LABEL, RdfLabel.class); // // BPEL 1.1 Mappings // _mappings.put(Bpel11QNames.PROCESS, Process.class); _mappings.put(Bpel11QNames.ASSIGN, AssignActivity.class); _mappings.put(Bpel11QNames.EMPTY, EmptyActivity.class); _mappings.put(Bpel11QNames.INVOKE, InvokeActivity.class); _mappings.put(Bpel11QNames.RECEIVE, ReceiveActivity.class); _mappings.put(Bpel11QNames.REPLY, ReplyActivity.class); _mappings.put(Bpel11QNames.WAIT, WaitActivity.class); _mappings.put(Bpel11QNames.THROW, ThrowActivity.class); _mappings.put(Bpel11QNames.TERMINATE, TerminateActivity.class); _mappings.put(Bpel11QNames.FLOW, FlowActivity.class); _mappings.put(Bpel11QNames.SWITCH, SwitchActivity.class); _mappings.put(Bpel11QNames.WHILE, WhileActivity11.class); _mappings.put(Bpel11QNames.SEQUENCE, SequenceActivity.class); _mappings.put(Bpel11QNames.PICK, PickActivity.class); _mappings.put(Bpel11QNames.SCOPE, ScopeActivity.class); _mappings.put(Bpel11QNames.COPY, Copy.class); _mappings.put(Bpel11QNames.CATCH, Catch.class); _mappings.put(Bpel11QNames.CATCHALL, Catch.class); _mappings.put(Bpel11QNames.TO, To.class); _mappings.put(Bpel11QNames.FROM, From.class); _mappings.put(Bpel11QNames.CORRELATION, Correlation.class); _mappings.put(Bpel11QNames.CORRELATIONSET, CorrelationSet.class); _mappings.put(Bpel11QNames.COMPENSATE, CompensateScopeActivity.class); _mappings.put(Bpel11QNames.COMPENSATIONHANDLER, CompensationHandler.class); _mappings.put(Bpel11QNames.FAULTHANDLERS, FaultHandler.class); _mappings.put(Bpel11QNames.CASE, SwitchActivity.Case.class); _mappings.put(Bpel11QNames.OTHERWISE, SwitchActivity.Case.class); _mappings.put(Bpel11QNames.ONALARM, OnAlarm.class); _mappings.put(Bpel11QNames.ONMESSAGE, OnMessage.class); _mappings.put(Bpel11QNames.PLINKTYPE, PartnerLinkType.class); _mappings.put(Bpel11QNames.PLINKROLE, PartnerLinkType.Role11.class); _mappings.put(Bpel11QNames.PORTTYPE, PartnerLinkType.Role11.PortType11.class); _mappings.put(Bpel11QNames.PROPALIAS, PropertyAlias11.class); _mappings.put(Bpel11QNames.PROPERTY, Property.class); _mappings.put(Bpel11QNames.VARIABLES, Variables.class); _mappings.put(Bpel11QNames.VARIABLE, Variable.class); _mappings.put(Bpel11QNames.PARTNERLINKS, PartnerLinks.class); _mappings.put(Bpel11QNames.PARTNERLINK, PartnerLink.class); _mappings.put(Bpel11QNames.CORRELATIONSETS, CorrelationSets.class); _mappings.put(Bpel11QNames.LINKS, Links.class); _mappings.put(Bpel11QNames.LINK, Link.class); _mappings.put(Bpel11QNames.SOURCE, LinkSource.class); _mappings.put(Bpel11QNames.TARGET, LinkTarget.class); _mappings.put(Bpel11QNames.QUERY, Query.class); _mappings.put(Bpel11QNames.CORRELATIONS, Correlations.class); _mappings.put(Bpel11QNames.EVENTHANDLERS, BpelObject.class); // // Extensibility Elements Mappings // _mappings.put(ExtensibilityQNames.FAILURE_HANDLING, FailureHandling.class); _mappings.put(ExtensibilityQNames.FAILURE_HANDLING_RETRY_FOR, FailureHandling.RetryFor.class); _mappings.put(ExtensibilityQNames.FAILURE_HANDLING_RETRY_DELAY, FailureHandling.RetryDelay.class); _mappings.put(ExtensibilityQNames.FAILURE_HANDLING_FAULT_ON, FailureHandling.FaultOnFailure.class); } public static BpelObjectFactory getInstance() { return __instance; } public BpelObject createBpelObject(Element el, URI uri) { QName type = new QName(el.getNamespaceURI(), el.getLocalName()); Class cls = _mappings.get(type); if (cls == null) { __log.warn("Unrecognized element in BPEL dom: " + type); return new BpelObject(el); } try { Constructor ctor = cls.getConstructor(__CTOR); BpelObject bo = (BpelObject) ctor.newInstance(new Object[] { el }); bo.setURI(uri); return bo; } catch (Exception ex) { throw new RuntimeException("Internal compiler error", ex); } } public static class BOMSAXErrorHandler implements ErrorHandler { private static final Log __log = LogFactory.getLog(BOMSAXErrorHandler.class); private boolean ok = true; private boolean strict = false; public BOMSAXErrorHandler(boolean strict) { this.strict = strict; } private String formatException(SAXParseException exception) { return exception.getPublicId() + ":" + exception.getSystemId() + ":" + exception.getLineNumber() + ":" + exception.getColumnNumber() + ":" + exception.getMessage(); } public boolean wasOK() { return ok; } public void error(SAXParseException exception) throws SAXException { ok = false; if (strict) { __log.error(formatException(exception)); } else { __log.warn(formatException(exception)); } } public void fatalError(SAXParseException exception) throws SAXException { ok = false; if (strict) { __log.fatal(formatException(exception)); } else { __log.warn(formatException(exception)); } } public void warning(SAXParseException exception) throws SAXException { __log.warn(formatException(exception)); } } /** * Parse a BPEL process found at the input source. * @param isrc input source. * @return * @throws SAXException */ public Process parse(InputSource isrc, URI systemURI) throws IOException, SAXException { XMLReader _xr = XMLParserUtils.getXMLReader(); LocalEntityResolver resolver = new LocalEntityResolver(); resolver.register(Bpel11QNames.NS_BPEL4WS_2003_03, getClass().getResource("/bpel4ws_1_1-fivesight.xsd")); resolver.register(Bpel20QNames.NS_WSBPEL2_0, getClass().getResource("/wsbpel_main-draft-Apr-29-2006.xsd")); resolver.register(Bpel20QNames.NS_WSBPEL2_0_FINAL_ABSTRACT, getClass().getResource("/ws-bpel_abstract_common_base.xsd")); resolver.register(Bpel20QNames.NS_WSBPEL2_0_FINAL_EXEC, getClass().getResource("/ws-bpel_executable.xsd")); resolver.register(Bpel20QNames.NS_WSBPEL2_0_FINAL_PLINK, getClass().getResource("/ws-bpel_plnktype.xsd")); resolver.register(Bpel20QNames.NS_WSBPEL2_0_FINAL_SERVREF, getClass().getResource("/ws-bpel_serviceref.xsd")); resolver.register(Bpel20QNames.NS_WSBPEL2_0_FINAL_VARPROP, getClass().getResource("/ws-bpel_varprop.xsd")); resolver.register(XML, getClass().getResource("/xml.xsd")); resolver.register(WSDL, getClass().getResource("/wsdl.xsd")); resolver.register(Bpel20QNames.NS_WSBPEL_PARTNERLINK_2004_03, getClass().getResource("/wsbpel_plinkType-draft-Apr-29-2006.xsd")); _xr.setEntityResolver(resolver); Document doc = DOMUtils.newDocument(); _xr.setContentHandler(new DOMBuilderContentHandler(doc)); _xr.setFeature("http://xml.org/sax/features/namespaces", true); _xr.setFeature("http://xml.org/sax/features/namespace-prefixes", true); _xr.setFeature("http://xml.org/sax/features/validation", true); XMLParserUtils.addExternalSchemaURL(_xr, Bpel11QNames.NS_BPEL4WS_2003_03, Bpel11QNames.NS_BPEL4WS_2003_03); XMLParserUtils.addExternalSchemaURL(_xr, Bpel20QNames.NS_WSBPEL2_0, Bpel20QNames.NS_WSBPEL2_0); XMLParserUtils.addExternalSchemaURL(_xr, Bpel20QNames.NS_WSBPEL2_0_FINAL_EXEC, Bpel20QNames.NS_WSBPEL2_0_FINAL_EXEC); XMLParserUtils.addExternalSchemaURL(_xr, Bpel20QNames.NS_WSBPEL2_0_FINAL_ABSTRACT, Bpel20QNames.NS_WSBPEL2_0_FINAL_ABSTRACT); boolean strict = Boolean .parseBoolean(System.getProperty("org.apache.ode.compiler.failOnValidationErrors", "false")); BOMSAXErrorHandler errorHandler = new BOMSAXErrorHandler(strict); _xr.setErrorHandler(errorHandler); _xr.parse(isrc); if (strict) { if (!errorHandler.wasOK()) { throw new SAXException("Validation errors during parsing"); } } else { if (!errorHandler.wasOK()) { __log.warn( "Validation errors during parsing, continuing due to -Dorg.apache.ode.compiler.failOnValidationErrors=false switch"); } } return (Process) createBpelObject(doc.getDocumentElement(), systemURI); } }