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/*
* 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.impl;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import org.apache.tuscany.sca.Node;
import org.apache.tuscany.sca.TuscanyRuntime;
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.xml.Utils;
import org.apache.tuscany.sca.common.java.io.IOHelper;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.ContributionMetadata;
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.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.deployment.Deployer;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.ValidationException;
import org.apache.tuscany.sca.runtime.ActivationException;
import org.apache.tuscany.sca.runtime.CompositeActivator;
import org.apache.tuscany.sca.runtime.ContributionListener;
import org.apache.tuscany.sca.runtime.DomainRegistry;
import org.apache.tuscany.sca.runtime.InstalledContribution;
import org.oasisopen.sca.NoSuchServiceException;
public class NodeImpl implements Node {
private String domainName;
private Deployer deployer;
private CompositeActivator compositeActivator;
private DomainRegistry domainRegistry;
private ExtensionPointRegistry extensionPointRegistry;
private TuscanyRuntime tuscanyRuntime;
private Map<String, Contribution> loadedContributions = new ConcurrentHashMap<String, Contribution>();
private Map<String, DeployedComposite> startedComposites = new HashMap<String, DeployedComposite>();
private Map<String, DeployedComposite> stoppedComposites = new HashMap<String, DeployedComposite>();
public NodeImpl(String domainName,
Deployer deployer,
CompositeActivator compositeActivator,
DomainRegistry domainRegistry,
ExtensionPointRegistry extensionPointRegistry,
TuscanyRuntime tuscanyRuntime) {
this.domainName = domainName;
this.deployer = deployer;
this.compositeActivator = compositeActivator;
this.domainRegistry = domainRegistry;
this.extensionPointRegistry = extensionPointRegistry;
this.tuscanyRuntime = tuscanyRuntime;
domainRegistry.addContributionListener(new ContributionListener() {
public void contributionUpdated(String uri) {
loadedContributions.remove(uri);
}
public void contributionRemoved(String uri) {
loadedContributions.remove(uri);
}
});
}
// TODO: install shouldn't throw ValidationException as it shouldn't do any validation, its
// only here from the loadContribution in mergeContributionMetaData so change that approach
public String installContribution(String contributionURL) throws ContributionReadException, ValidationException {
return installContribution(null, contributionURL, null, null);
}
public String installContribution(String uri, String contributionURL) throws ContributionReadException, ValidationException {
return installContribution(uri, contributionURL, null, null);
}
public String installContribution(String uri, String contributionURL, String metaDataURL, List<String> dependentContributionURIs) throws ContributionReadException, ValidationException {
InstalledContribution ic = new InstalledContribution(uri, contributionURL);
if (dependentContributionURIs != null) {
ic.getDependentContributionURIs().addAll(dependentContributionURIs);
}
if (metaDataURL != null) {
mergeContributionMetaData(metaDataURL, loadContribution(ic));
}
peekIntoContribution(ic);
domainRegistry.installContribution(ic);
return ic.getURI();
}
public void installContribution(Contribution contribution, List<String> dependentContributionURIs) {
InstalledContribution ic = new InstalledContribution(contribution.getURI(), contribution.getLocation());
if (dependentContributionURIs != null) {
ic.getDependentContributionURIs().addAll(dependentContributionURIs);
}
ic.configureMetaData(contribution);
domainRegistry.installContribution(ic);
loadedContributions.put(ic.getURI(), contribution);
}
public void uninstallContribution(String contributionURI) {
domainRegistry.uninstallContribution(contributionURI);
}
protected void mergeContributionMetaData(String metaDataURL, Contribution contribution) throws ValidationException {
ContributionMetadata metaData;
Monitor monitor = deployer.createMonitor();
try {
metaData = deployer.loadXMLDocument(IOHelper.getLocationAsURL(metaDataURL), monitor);
} catch (Exception e) {
throw new ValidationException(e);
}
monitor.analyzeProblems();
contribution.mergeMetaData(metaData);
}
/**
* Peek into the contribution to find its attributes.
* ASM12032 and ASM12033 say no error checking should be done during install and that should happen later, but
* we need to know about deployables and exports so peek into the contribution to try to get those,
* and just ignore any errors they might happen while doing that.
*/
protected void peekIntoContribution(InstalledContribution ic) {
Contribution contribution = null;
try {
contribution = loadContribution(ic);
} catch (Exception e) {
// ignore it
}
if (contribution != null) {
ic.configureMetaData(contribution);
}
}
public List<String> getInstalledContributionURIs() {
return new ArrayList<String>(domainRegistry.getInstalledContributionURIs());
}
public Contribution getContribution(String contributionURI) throws ContributionReadException, ValidationException {
return loadContribution(getInstalledContribution(contributionURI));
}
public List<String> getDeployableCompositeURIs(String contributionURI) {
InstalledContribution ic = domainRegistry.getInstalledContribution(contributionURI);
return new ArrayList<String>(ic.getDeployables());
}
public String addDeploymentComposite(String contributionURI, Reader compositeXML) throws ContributionReadException, XMLStreamException, ValidationException {
InstalledContribution ic = getInstalledContribution(contributionURI);
// load it to check its valid composite XML
Composite composite = deployer.loadXMLDocument(compositeXML);
return addDeploymentComposite(ic, composite);
}
public String addDeploymentComposite(String contributionURI, Composite composite) {
InstalledContribution ic = getInstalledContribution(contributionURI);
return addDeploymentComposite(ic, composite);
}
protected String addDeploymentComposite(InstalledContribution ic, Composite composite) {
if (composite.getURI() == null || composite.getURI().length() < 1) {
composite.setURI(composite.getName().getLocalPart() + ".composite");
}
ic.getAdditionalDeployables().put(composite.getURI(), Utils.modelToXML(composite, false, extensionPointRegistry));
domainRegistry.updateInstalledContribution(ic);
return composite.getURI();
}
public void validateContribution(String contributionURI) throws ContributionReadException, ValidationException {
InstalledContribution ic = getInstalledContribution(contributionURI);
Contribution contribution = loadContribution(ic);
Monitor monitor = deployer.createMonitor();
try {
deployer.resolve(contribution, calculateDependentContributions(ic), monitor);
} catch (Exception e) {
loadedContributions.remove(ic.getURI());
throw new RuntimeException(e);
}
try {
monitor.analyzeProblems();
} catch (ValidationException e) {
loadedContributions.remove(ic.getURI());
throw e;
}
}
public Map<String, List<String>> getStartedCompositeURIs() {
return Collections.unmodifiableMap(domainRegistry.getRunningCompositeURIs());
}
public void startComposite(String contributionURI, String compositeURI) throws ActivationException, ValidationException, ContributionReadException {
String key = contributionURI+"/"+compositeURI;
if (startedComposites.containsKey(key)) {
throw new IllegalStateException("composite already started: " + compositeURI);
}
DeployedComposite dc = stoppedComposites.remove(key);
if (dc != null) {
dc.start();
startedComposites.put(key, dc);
} else {
InstalledContribution ic = getInstalledContribution(contributionURI);
Contribution contribution = loadContribution(ic);
Composite composite = contribution.getArtifactModel(compositeURI);
List<Contribution> dependentContributions = calculateDependentContributions(ic);
dc = new DeployedComposite(composite, contribution, dependentContributions, deployer, compositeActivator, domainRegistry, extensionPointRegistry);
dc.start();
startedComposites.put(key, dc);
}
}
public void stopComposite(String contributionURI, String compositeURI) throws ActivationException {
String key = contributionURI+"/"+compositeURI;
DeployedComposite dc = startedComposites.remove(key);
if (dc == null) {
throw new IllegalStateException("composite not started: " + compositeURI);
}
dc.stop();
stoppedComposites.put(key, dc);
}
public String getDomainName() {
return domainName;
}
public Composite getDomainComposite() {
FactoryExtensionPoint factories = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class);
AssemblyFactory assemblyFactory = factories.getFactory(AssemblyFactory.class);
Composite domainComposite = assemblyFactory.createComposite();
domainComposite.setName(new QName(Base.SCA11_TUSCANY_NS, domainName));
domainComposite.setAutowire(false);
domainComposite.setLocal(false);
List<Composite> domainIncludes = domainComposite.getIncludes();
Map<String, List<String>> runningCompositeURIs = domainRegistry.getRunningCompositeURIs();
for (String curi : runningCompositeURIs.keySet()) {
for (String compositeURI : runningCompositeURIs.get(curi)) {
domainIncludes.add(domainRegistry.getRunningComposite(curi, compositeURI));
}
}
return domainComposite;
}
public <T> T getService(Class<T> interfaze, String serviceURI) throws NoSuchServiceException {
return ServiceHelper.getService(interfaze, serviceURI, domainRegistry, extensionPointRegistry, deployer);
}
// TODO: should this be exposed on the interface?
protected InstalledContribution getInstalledContribution(String contributionURI) {
InstalledContribution ic = domainRegistry.getInstalledContribution(contributionURI);
if (ic == null) {
throw new IllegalArgumentException("Contribution not installed: " + contributionURI);
}
return ic;
}
protected Contribution loadContribution(InstalledContribution ic) throws ContributionReadException, ValidationException {
Contribution contribution = loadedContributions.get(ic.getURI());
if (contribution == null) {
Monitor monitor = deployer.createMonitor();
contribution = deployer.loadContribution(IOHelper.createURI(ic.getURI()), IOHelper.getLocationAsURL(ic.getURL()), monitor);
monitor.analyzeProblems();
if (ic.getAdditionalDeployables().size() > 0) {
for (String uri : ic.getAdditionalDeployables().keySet()) {
String compositeXML = ic.getAdditionalDeployables().get(uri);
Composite composite;
try {
composite = deployer.loadXMLDocument(new StringReader(compositeXML));
} catch (XMLStreamException e) {
throw new ContributionReadException(e);
}
composite.setURI(composite.getName().getLocalPart() + ".composite");
contribution.addComposite(composite);
}
}
loadedContributions.put(ic.getURI(), contribution);
}
return contribution;
}
protected List<Contribution> calculateDependentContributions(InstalledContribution ic) throws ContributionReadException, ValidationException {
List<Contribution> dependentContributions = new ArrayList<Contribution>();
if (ic.getDependentContributionURIs() != null && ic.getDependentContributionURIs().size() > 0) {
// if the install specified dependent uris use just those contributions
for (String uri : ic.getDependentContributionURIs()) {
InstalledContribution dependee = domainRegistry.getInstalledContribution(uri);
if (dependee != null) {
dependentContributions.add(loadContribution(dependee));
}
}
} else {
for (Import imprt : loadContribution(ic).getImports()) {
for (InstalledContribution exportingIC : findExportingContributions(imprt)) {
dependentContributions.add(loadContribution(exportingIC));
}
}
}
// TODO: there is also the location attribute on the import which should be taken into account
return dependentContributions;
}
private List<InstalledContribution> findExportingContributions(Import imprt) {
List<InstalledContribution> ics = new ArrayList<InstalledContribution>();
// TODO: Handle Imports in a more extensible way
for (String curi : domainRegistry.getInstalledContributionURIs()) {
InstalledContribution ic = domainRegistry.getInstalledContribution(curi);
if (imprt instanceof JavaImport) {
for (String s : ic.getJavaExports()) {
if (s.startsWith(((JavaImport)imprt).getPackage())) {
ics.add(ic);
}
}
} else if (imprt instanceof NamespaceImport) {
if (ic.getNamespaceExports().contains(((NamespaceImport)imprt).getNamespace())) {
ics.add(ic);
}
}
}
return ics;
}
@Override
public Object getQNameDefinition(String contributionURI, QName definition, QName symbolSpace) {
// TODO Auto-generated method stub
return null;
}
@Override
public List<String> startDeployables(String contributionURI) throws ActivationException, ValidationException, ContributionReadException {
List<String> dcURIs = getDeployableCompositeURIs(contributionURI);
for (String dcURI : dcURIs) {
startComposite(contributionURI, dcURI);
}
return dcURIs;
}
// TODO: this is used by the shell to endpoint detail, should it be on the Node interface?
public DomainRegistry getEndpointRegistry() {
return domainRegistry;
}
public void stop() {
for (DeployedComposite dc : startedComposites.values()) {
try {
dc.stop();
} catch (ActivationException e) {
}
}
startedComposites.clear();
startedComposites.clear();
}
}
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