/*
* 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.tuscany.sca.deployment.impl;
import java.io.Reader;
import java.io.Writer;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.Base;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.builder.BuilderContext;
import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
import org.apache.tuscany.sca.assembly.xsd.Constants;
import org.apache.tuscany.sca.common.java.io.IOHelper;
import org.apache.tuscany.sca.common.xml.stax.StAXHelper;
import org.apache.tuscany.sca.contribution.Artifact;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.ContributionFactory;
import org.apache.tuscany.sca.contribution.DefaultImport;
import org.apache.tuscany.sca.contribution.Export;
import org.apache.tuscany.sca.contribution.Import;
import org.apache.tuscany.sca.contribution.java.JavaImport;
import org.apache.tuscany.sca.contribution.namespace.NamespaceImport;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
import org.apache.tuscany.sca.contribution.processor.ExtendedURLArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.ExtensibleURLArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory;
import org.apache.tuscany.sca.contribution.processor.ValidationSchemaExtensionPoint;
import org.apache.tuscany.sca.contribution.resolver.DefaultImportModelResolver;
import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.contribution.resolver.ModelResolverExtensionPoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.apache.tuscany.sca.definitions.Definitions;
import org.apache.tuscany.sca.definitions.DefinitionsFactory;
import org.apache.tuscany.sca.definitions.util.DefinitionsUtil;
import org.apache.tuscany.sca.definitions.xml.DefinitionsExtensionPoint;
import org.apache.tuscany.sca.deployment.Deployer;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.MonitorFactory;
import org.apache.tuscany.sca.xsd.XSDFactory;
import org.apache.tuscany.sca.xsd.XSDefinition;
/**
*
*/
public class DeployerImpl implements Deployer {
protected static final Logger logger = Logger.getLogger(DeployerImpl.class.getName());
protected boolean inited;
protected boolean schemaValidationEnabled;
protected StAXHelper staxHelper;
protected AssemblyFactory assemblyFactory;
protected CompositeBuilder compositeBuilder;
protected ContributionFactory contributionFactory;
protected ExtendedURLArtifactProcessor<Contribution> contributionProcessor;
protected ExtensionPointRegistry registry;
protected FactoryExtensionPoint modelFactories;
protected ModelResolverExtensionPoint modelResolvers;
protected Contribution systemContribution;
protected Definitions systemDefinitions;
protected ExtensibleURLArtifactProcessor artifactProcessor;
protected ExtensibleStAXArtifactProcessor staxProcessor;
protected ValidationSchemaExtensionPoint validationSchema;
protected MonitorFactory monitorFactory;
protected static final String DEPLOYER_IMPL_VALIDATION_MESSAGES =
"org.apache.tuscany.sca.deployment.impl.deployer-impl-validation-messages";
public static final QName XSD = new QName("http://www.w3.org/2001/XMLSchema", "schema");
/**
* @param registry
*/
public DeployerImpl(ExtensionPointRegistry registry) {
super();
this.registry = registry;
}
public Monitor createMonitor() {
init();
return monitorFactory.createMonitor();
}
public synchronized void stop() {
if (inited) {
staxHelper = null;
assemblyFactory = null;
compositeBuilder = null;
contributionFactory = null;
contributionProcessor = null;
modelFactories = null;
modelResolvers = null;
systemContribution = null;
systemDefinitions = null;
artifactProcessor = null;
staxProcessor = null;
monitorFactory = null;
inited = false;
}
}
/**
* Analyze a contribution and add its dependencies to the given dependency set.
*/
protected void addContributionDependencies(Contribution contribution,
List<Contribution> contributions,
List<Contribution> dependencies,
Set<Contribution> set,
Monitor monitor) {
// Go through the contribution imports
for (Import import_ : contribution.getImports()) {
boolean resolved = false;
// Go through all contribution candidates and their exports
List<Export> matchingExports = new ArrayList<Export>();
for (Contribution dependency : contributions) {
if (dependency == contribution) {
// Do not self import
continue;
}
// When a contribution contains a reference to an artifact from a namespace that
// is declared in an import statement of the contribution, if the SCA artifact
// resolution mechanism is used to resolve the artifact, the SCA runtime MUST resolve
// artifacts from the locations identified by the import statement(s) for the namespace.
if (import_ instanceof NamespaceImport) {
NamespaceImport namespaceImport = (NamespaceImport)import_;
if (namespaceImport.getLocation() != null)
if (!namespaceImport.getLocation().equals(dependency.getURI()))
continue;
}
if (import_ instanceof JavaImport) {
JavaImport javaImport = (JavaImport)import_;
if (javaImport.getLocation() != null)
if (!javaImport.getLocation().equals(dependency.getURI()))
continue;
}
for (Export export : dependency.getExports()) {
// If an export from a contribution matches the import in hand
// add that contribution to the dependency set
if (import_.match(export)) {
resolved = true;
matchingExports.add(export);
if (!set.contains(dependency)) {
set.add(dependency);
dependencies.add(dependency);
// Now add the dependencies of that contribution
addContributionDependencies(dependency, contributions, dependencies, set, monitor);
} // end if
} // end if
} // end for
} // end for
if (resolved) {
// Initialize the import's model resolver with a delegating model
// resolver which will delegate to the matching exports
import_.setModelResolver(new DefaultImportModelResolver(matchingExports));
} else {
// Record import resolution issue
if (!(import_ instanceof DefaultImport)) {
// Add the (empty) matchingExports List and report a warning
import_.setModelResolver(new DefaultImportModelResolver(matchingExports));
// push context here as the "stack" in this case is a list of nexted contributions
// through which imports have been chased which may not make much sense to the
// user so just report the contribution in error
monitor.pushContext("Contribution: " + contribution.getLocation());
Monitor.error(monitor, this, DEPLOYER_IMPL_VALIDATION_MESSAGES, "UnresolvedImport", import_);
monitor.popContext();
}
} // end if
}
}
protected void buildDependencies(Contribution contribution, List<Contribution> contributions, Monitor monitor) {
contribution.getDependencies().clear();
List<Contribution> dependencies = new ArrayList<Contribution>();
Set<Contribution> set = new HashSet<Contribution>();
dependencies.add(contribution);
set.add(contribution);
addContributionDependencies(contribution, contributions, dependencies, set, monitor);
Collections.reverse(dependencies);
contribution.getDependencies().addAll(dependencies);
}
/**
* Pre-resolve phase for contributions, to set up handling of imports and exports prior to full resolution
* @param contributions - the contributions to preresolve
* @param resolver - the ModelResolver to use
* @throws ContributionResolveException
*/
protected void contributionsPreresolve(List<Contribution> contributions,
ModelResolver resolver,
ProcessorContext context) throws ContributionResolveException {
for (Contribution contribution : contributions) {
contributionProcessor.preResolve(contribution, resolver, context);
} // end for
} // end method contributionsPreresolve
public ExtensionPointRegistry getExtensionPointRegistry() {
return registry;
}
public void start() {
// Defer to the init() method
}
public synchronized void init() {
if (inited) {
return;
}
// Enable schema validation only of the logger level is FINE or higher
if (isSchemaValidationEnabled()) {
ValidationSchemaExtensionPoint schemas = registry.getExtensionPoint(ValidationSchemaExtensionPoint.class);
if (schemas != null) {
schemas.setEnabled(true);
}
}
// Use the runtime-enabled assembly factory
modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
// Create a monitor
UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
staxHelper = utilities.getUtility(StAXHelper.class);
monitorFactory = utilities.getUtility(MonitorFactory.class);
// Initialize the Tuscany module activators
// The module activators will be started
registry.getExtensionPoint(ModuleActivatorExtensionPoint.class);
// Get contribution workspace and assembly model factories
contributionFactory = modelFactories.getFactory(ContributionFactory.class);
// Create XML artifact processors
staxProcessor = new ExtensibleStAXArtifactProcessor(registry);
// Create contribution content processor
URLArtifactProcessorExtensionPoint docProcessorExtensions =
registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
artifactProcessor = new ExtensibleURLArtifactProcessor(docProcessorExtensions);
contributionProcessor =
(ExtendedURLArtifactProcessor<Contribution>)docProcessorExtensions.getProcessor(Contribution.class);
// Get the model resolvers
modelResolvers = registry.getExtensionPoint(ModelResolverExtensionPoint.class);
// Get composite builders
BuilderExtensionPoint compositeBuilders = registry.getExtensionPoint(BuilderExtensionPoint.class);
compositeBuilder =
compositeBuilders.getCompositeBuilder("org.apache.tuscany.sca.assembly.builder.CompositeBuilder");
// get the validation schema
validationSchema = registry.getExtensionPoint(ValidationSchemaExtensionPoint.class);
loadSystemContribution(new ProcessorContext(monitorFactory.createMonitor()));
inited = true;
}
protected void loadSystemContribution(ProcessorContext context) {
DefinitionsFactory definitionsFactory = modelFactories.getFactory(DefinitionsFactory.class);
systemDefinitions = definitionsFactory.createDefinitions();
DefinitionsExtensionPoint definitionsExtensionPoint =
registry.getExtensionPoint(DefinitionsExtensionPoint.class);
Monitor monitor = context.getMonitor();
monitor.pushContext("Extension points definitions");
try {
for (Definitions defs : definitionsExtensionPoint.getDefinitions()) {
DefinitionsUtil.aggregate(defs, systemDefinitions, monitor);
}
} finally {
monitor.popContext();
}
// create a system contribution to hold the definitions. The contribution
// will be extended later with definitions from application contributions
systemContribution = contributionFactory.createContribution();
systemContribution.setURI("http://tuscany.apache.org/SystemContribution");
systemContribution.setLocation("http://tuscany.apache.org/SystemContribution");
ModelResolver modelResolver = new ExtensibleModelResolver(systemContribution, modelResolvers, modelFactories);
systemContribution.setModelResolver(modelResolver);
systemContribution.setUnresolved(true);
// create an artifact to represent the system defintions and
// add it to the contribution
List<Artifact> artifacts = systemContribution.getArtifacts();
Artifact artifact = contributionFactory.createArtifact();
artifact.setURI("http://tuscany.apache.org/SystemContribution/Definitions");
artifact.setLocation("Derived");
artifact.setModel(systemDefinitions);
artifacts.add(artifact);
// now resolve and add the system contribution
try {
contributionProcessor.resolve(systemContribution, modelResolver, context);
} catch (ContributionResolveException e) {
throw new IllegalStateException(e);
}
}
protected Contribution cloneSystemContribution(Monitor monitor) {
init();
Contribution contribution = contributionFactory.createContribution();
contribution.setURI(systemContribution.getURI());
contribution.setLocation(systemContribution.getLocation());
ModelResolver modelResolver = new ExtensibleModelResolver(contribution, modelResolvers, modelFactories);
contribution.setModelResolver(modelResolver);
contribution.setUnresolved(true);
DefinitionsFactory definitionsFactory = modelFactories.getFactory(DefinitionsFactory.class);
Definitions definitions = definitionsFactory.createDefinitions();
DefinitionsUtil.aggregate(systemDefinitions, definitions, monitor);
// create an artifact to represent the system defintions and
// add it to the contribution
List<Artifact> artifacts = contribution.getArtifacts();
Artifact artifact = contributionFactory.createArtifact();
artifact.setURI("http://tuscany.apache.org/SystemContribution/Definitions");
artifact.setLocation("Derived");
artifact.setModel(definitions);
artifacts.add(artifact);
// create resolver entries to represent the SCA schema. We don't create artifacts
// in the contribution as the XSD schema are only actually loaded on demand
// so as long as they are in the model resolver we are set. We do it on the clone
// so that every copy of the system contribution has the schema
ProcessorContext context = new ProcessorContext(monitor);
XSDFactory xsdFactory = modelFactories.getFactory(XSDFactory.class);
List<String> scaSchemas = validationSchema.getSchemas();
for (String scaSchemaLocation : scaSchemas){
try {
URL scaSchemaURL = new URL(scaSchemaLocation);
String namespace = staxHelper.readAttribute(scaSchemaURL, XSD, "targetNamespace");
// if this is the SCA schema store it in the system contribution
if (namespace.equals(Constants.SCA11_TUSCANY_NS)){
// add the schema to the model resolver under the Tuscany namespace
XSDefinition scaSchema = xsdFactory.createXSDefinition();
scaSchema.setUnresolved(true);
scaSchema.setNamespace(namespace);
scaSchema.setLocation(IOHelper.toURI(scaSchemaURL));
scaSchema.setUnresolved(false);
// modelResolver.addModel(scaSchema, context);
} else if (namespace.equals(Constants.SCA11_NS)) {
// we know that the SCA schema's are referenced form the Tuscany schemas so
// register the schema under the SCA namespace too
XSDefinition scaSchema = xsdFactory.createXSDefinition();
scaSchema.setUnresolved(true);
scaSchema.setNamespace(Constants.SCA11_NS);
scaSchema.setLocation(IOHelper.toURI(scaSchemaURL));
scaSchema.setUnresolved(false);
modelResolver.addModel(scaSchema, context);
}
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
return contribution;
}
public String attachDeploymentComposite(Contribution contribution, Composite composite, boolean appending) {
init();
String compositeArtifactURI = composite.getName().getLocalPart() + ".composite";
if (appending) {
// check its not already there
for (Artifact a : contribution.getArtifacts()) {
if (compositeArtifactURI.equals(a.getURI())) {
throw new IllegalStateException("artifact '" + compositeArtifactURI + "' already exists in contribution: " + contribution.getURI());
}
}
}
// Create an artifact for the deployment composite
Artifact artifact = contributionFactory.createArtifact();
artifact.setURI(compositeArtifactURI);
artifact.setLocation(compositeArtifactURI);
artifact.setModel(composite);
artifact.setUnresolved(false);
// Add it to the contribution
contribution.getArtifacts().add(artifact);
// Replace the deployable composites with the deployment composites
// Clear the deployable composites if it's the first deployment composite
if (!appending) {
contribution.getDeployables().clear();
}
contribution.getDeployables().add(composite);
return compositeArtifactURI;
}
public Composite build(List<Contribution> contributions, List<Contribution> allContributions, Map<QName, List<String>> bindingMap, Monitor monitor)
throws ContributionResolveException, CompositeBuilderException {
init();
List<Contribution> contributionList = new ArrayList<Contribution>(contributions);
Contribution systemContribution = cloneSystemContribution(monitor);
Definitions systemDefinitions = systemContribution.getArtifacts().get(0).getModel();
// Build an aggregated SCA definitions model. Must be done before we try and
// resolve any contributions or composites as they may depend on the full
// definitions.xml picture
// get all definitions.xml artifacts from contributions and aggregate
// into the system contribution. In turn add a default import into
// each contribution so that, for unresolved items, the resolution
// processing will look in the system contribution
ProcessorContext context = new ProcessorContext(monitor);
for (Contribution contribution : contributionList) {
monitor.pushContext("Contribution: " + contribution.getURI());
try {
// aggregate definitions
for (Artifact artifact : contribution.getArtifacts()) {
if (!"META-INF/definitions.xml".equals(artifact.getURI())) {
continue;
}
Object model = artifact.getModel();
// FIXME: Should we check the artifact URI is META-INF/definitions.xml?
if (model instanceof Definitions) {
try {
monitor.pushContext("Definitions: " + artifact.getLocation());
DefinitionsUtil.aggregate((Definitions)model, systemDefinitions, monitor);
} finally {
monitor.popContext();
}
}
}
// create a default import and wire it up to the system contribution
// model resolver. This is the trick that makes the resolution processing
// skip over to the system contribution if resolution is unsuccessful
// in the current contribution
DefaultImport defaultImport = contributionFactory.createDefaultImport();
defaultImport.setModelResolver(systemContribution.getModelResolver());
contribution.getImports().add(defaultImport);
} finally {
monitor.popContext();
}
}
ExtensibleModelResolver modelResolver =
new ExtensibleModelResolver(new Contributions(contributionList), modelResolvers, modelFactories);
// now resolve and add the system contribution
contributionProcessor.resolve(systemContribution, modelResolver, context);
contributionList.add(systemContribution);
// pre-resolve the contributions
contributionsPreresolve(contributionList, modelResolver, context);
// Build the contribution dependencies
Set<Contribution> resolved = new HashSet<Contribution>();
for (Contribution contribution : contributionList) {
buildDependencies(contribution, allContributions, monitor);
// Resolve contributions
for (Contribution dependency : contribution.getDependencies()) {
if (!resolved.contains(dependency)) {
resolved.add(dependency);
contributionProcessor.resolve(dependency, modelResolver, context);
}
}
}
// Create a top level composite to host our composite
// This is temporary to make the activator happy
Composite domainComposite = assemblyFactory.createComposite();
domainComposite.setName(Composite.DOMAIN_COMPOSITE);
domainComposite.setURI(Base.SCA11_NS);
for (Contribution contribution : contributionList) {
for (Composite composite : contribution.getDeployables()) {
// Include the node composite in the top-level composite
domainComposite.getIncludes().add(composite);
}
}
// build the top level composite
BuilderContext builderContext = new BuilderContext(systemDefinitions, bindingMap, monitor);
compositeBuilder.build(domainComposite, builderContext);
// analyzeProblems(monitor);
return domainComposite;
}
public void resolve(Contribution c, List<Contribution> dependentContributions, Monitor monitor) throws ContributionResolveException, CompositeBuilderException {
init();
List<Contribution> contributionList = new ArrayList<Contribution>();
contributionList.add(c);
Contribution systemContribution = cloneSystemContribution(monitor);
Definitions systemDefinitions = systemContribution.getArtifacts().get(0).getModel();
// Build an aggregated SCA definitions model. Must be done before we try and
// resolve any contributions or composites as they may depend on the full
// definitions.xml picture
// get all definitions.xml artifacts from contributions and aggregate
// into the system contribution. In turn add a default import into
// each contribution so that, for unresolved items, the resolution
// processing will look in the system contribution
ProcessorContext context = new ProcessorContext(monitor);
for (Contribution contribution : contributionList) {
monitor.pushContext("Contribution: " + contribution.getURI());
try {
// aggregate definitions
for (Artifact artifact : contribution.getArtifacts()) {
if (!"META-INF/definitions.xml".equals(artifact.getURI())) {
continue;
}
Object model = artifact.getModel();
if (model instanceof Definitions) {
try {
monitor.pushContext("Definitions: " + artifact.getLocation());
DefinitionsUtil.aggregate((Definitions)model, systemDefinitions, monitor);
} finally {
monitor.popContext();
}
}
}
// create a default import and wire it up to the system contribution
// model resolver. This is the trick that makes the resolution processing
// skip over to the system contribution if resolution is unsuccessful
// in the current contribution
DefaultImport defaultImport = contributionFactory.createDefaultImport();
defaultImport.setModelResolver(systemContribution.getModelResolver());
contribution.getImports().add(defaultImport);
} finally {
monitor.popContext();
}
}
ExtensibleModelResolver modelResolver =
new ExtensibleModelResolver(new Contributions(contributionList), modelResolvers, modelFactories);
// now resolve and add the system contribution
contributionProcessor.resolve(systemContribution, modelResolver, context);
contributionList.add(systemContribution);
// pre-resolve the contributions
contributionsPreresolve(contributionList, modelResolver, context);
// Build the contribution dependencies
Set<Contribution> resolved = new HashSet<Contribution>();
for (Contribution contribution : contributionList) {
buildDependencies(contribution, dependentContributions, monitor);
// Resolve contributions
for (Contribution dependency : contribution.getDependencies()) {
if (!resolved.contains(dependency)) {
resolved.add(dependency);
contributionProcessor.resolve(dependency, modelResolver, context);
}
}
}
}
public Artifact loadArtifact(URI uri, URL location, Monitor monitor) throws ContributionReadException {
init();
Artifact artifact = contributionFactory.createArtifact();
artifact.setLocation(location.toString());
artifact.setURI(uri.toString());
URLArtifactProcessorExtensionPoint artifactProcessors =
registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
ExtensibleURLArtifactProcessor processor = new ExtensibleURLArtifactProcessor(artifactProcessors);
Object model = processor.read(null, uri, location, new ProcessorContext(monitor));
artifact.setModel(model);
return artifact;
}
@SuppressWarnings("unchecked")
public <T> T loadDocument(URI uri, URL location, Monitor monitor) throws ContributionReadException {
init();
Object model = artifactProcessor.read(null, uri, location, new ProcessorContext(monitor));
return (T)model;
}
public Object loadXMLDocument(URL document, Monitor monitor) throws XMLStreamException, ContributionReadException {
init();
XMLStreamReader reader = staxHelper.createXMLStreamReader(document);
reader.nextTag();
ValidatingXMLInputFactory.setMonitor(reader, monitor);
try {
return loadXMLElement(reader, monitor);
} finally {
reader.close();
}
}
public void saveXMLDocument(Object model, Writer writer, Monitor monitor) throws XMLStreamException,
ContributionWriteException {
init();
XMLStreamWriter streamWriter = staxHelper.createXMLStreamWriter(writer);
staxProcessor.write(model, streamWriter, new ProcessorContext(monitor));
}
public void saveXMLElement(Object model, XMLStreamWriter writer, Monitor monitor) throws XMLStreamException,
ContributionWriteException {
init();
staxProcessor.write(model, writer, new ProcessorContext(monitor));
}
@SuppressWarnings("unchecked")
public Object loadXMLElement(XMLStreamReader reader, Monitor monitor) throws ContributionReadException,
XMLStreamException {
init();
return staxProcessor.read(reader, new ProcessorContext(monitor));
}
public Object loadXMLDocument(Reader document, Monitor monitor) throws XMLStreamException, ContributionReadException {
init();
XMLStreamReader reader = staxHelper.createXMLStreamReader(document);
ValidatingXMLInputFactory.setMonitor(reader, monitor);
reader.nextTag();
try {
return loadXMLElement(reader, monitor);
} finally {
reader.close();
}
}
public Contribution loadContribution(URI uri, URL location, Monitor monitor) throws ContributionReadException {
init();
ProcessorContext context = new ProcessorContext(monitor);
// Load the contribution
Contribution contribution = contributionProcessor.read(null, uri, location, context);
return contribution;
}
public ProcessorContext createProcessorContext() {
init();
return new ProcessorContext(monitorFactory.createMonitor());
}
public BuilderContext createBuilderContext() {
init();
return new BuilderContext(monitorFactory.createMonitor());
}
public boolean isSchemaValidationEnabled() {
return schemaValidationEnabled;
}
public void setSchemaValidationEnabled(boolean schemaValidationEnabled) {
this.schemaValidationEnabled = schemaValidationEnabled;
}
public Definitions getSystemDefinitions() {
init();
return systemDefinitions;
}
}