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package com.sun.jersey.server.impl.wadl;
import java.net.URI;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.api.model.AbstractResource;
import com.sun.jersey.api.wadl.config.WadlGeneratorConfig;
import com.sun.jersey.api.wadl.config.WadlGeneratorConfigLoader;
import com.sun.jersey.server.wadl.ApplicationDescription;
import com.sun.jersey.server.wadl.WadlApplicationContext;
import com.sun.jersey.server.wadl.WadlBuilder;
import com.sun.jersey.server.wadl.WadlGenerator;
import com.sun.research.ws.wadl.Application;
import com.sun.research.ws.wadl.Doc;
import com.sun.research.ws.wadl.Grammars;
import com.sun.research.ws.wadl.Include;
import com.sun.research.ws.wadl.Resource;
import com.sun.research.ws.wadl.Resources;
/**
*
* @author [email protected]
*/
public class WadlApplicationContextImpl implements WadlApplicationContext {
private static final Logger LOG = Logger.getLogger(WadlApplicationContextImpl.class.getName());
private boolean wadlGenerationEnabled = true;
private final Set rootResources;
private final WadlGeneratorConfig wadlGeneratorConfig;
private JAXBContext jaxbContext;
public WadlApplicationContextImpl(
Set rootResources,
ResourceConfig resourceConfig) {
this.rootResources = rootResources;
this.wadlGeneratorConfig = WadlGeneratorConfigLoader.loadWadlGeneratorsFromConfig(resourceConfig);
try {
// TODO perhaps this should be done another way for the moment
// create a temporary generator just to do this one task
final WadlGenerator wadlGenerator = this.wadlGeneratorConfig.createWadlGenerator();
final String requiredJaxbContextPath = wadlGenerator.getRequiredJaxbContextPath();
this.jaxbContext = null;
try {
// the following works fine in WLS and non-GF environment
this.jaxbContext = JAXBContext.newInstance(requiredJaxbContextPath, wadlGenerator.getClass().getClassLoader());
} catch (JAXBException ex) {
// fallback for GF
LOG.log(Level.WARNING, ex.getMessage(), ex);
this.jaxbContext = JAXBContext.newInstance(requiredJaxbContextPath);
}
} catch (JAXBException ex) {
LOG.log(Level.SEVERE, ex.getMessage(), ex);
}
}
// public ApplicationDescription getApplication() {
// return getWadlBuilder().generate(rootResources);
// }
@Override
public ApplicationDescription getApplication(UriInfo uriInfo) {
ApplicationDescription a = getWadlBuilder().generate(uriInfo, rootResources);
final Application application = a.getApplication();
for (Resources resources : application.getResources()) {
if (resources.getBase() == null) {
resources.setBase(uriInfo.getBaseUri().toString());
}
}
attachExternalGrammar(application, a, uriInfo.getRequestUri());
return a;
}
@Override
public Application getApplication(UriInfo info,
AbstractResource resource,
String path) {
// Get the root application description
//
ApplicationDescription description = getApplication(info);
WadlGenerator wadlGenerator = wadlGeneratorConfig.createWadlGenerator();
Application a = path == null ? new WadlBuilder( wadlGenerator ).generate(info, description,resource) :
new WadlBuilder( wadlGenerator ).generate(info, description, resource, path);
for (Resources resources : a.getResources()) {
resources.setBase(info.getBaseUri().toString());
}
// Attach any grammar we may have
attachExternalGrammar(a, description,
info.getRequestUri());
for (Resources resources : a.getResources()) {
final Resource r = resources.getResource().get(0);
r.setPath(info.getBaseUri().relativize(info.getAbsolutePath()).toString());
// remove path params since path is fixed at this point
r.getParam().clear();
}
return a;
}
/**
* @TODO probably no longer required
* @return
*/
@Override
public JAXBContext getJAXBContext() {
return jaxbContext;
}
private WadlBuilder getWadlBuilder() {
return (this.wadlGenerationEnabled ? new WadlBuilder(wadlGeneratorConfig.createWadlGenerator()) : null);
}
@Override
public void setWadlGenerationEnabled(boolean wadlGenerationEnabled) {
this.wadlGenerationEnabled = wadlGenerationEnabled;
}
@Override
public boolean isWadlGenerationEnabled() {
return wadlGenerationEnabled;
}
/**
* Update the application object to include the generated grammar objects
*/
private void attachExternalGrammar(
Application application,
ApplicationDescription applicationDescription,
URI requestURI) {
// Massage the application.wadl URI slightly to get the right effect
//
final String requestURIPath = requestURI.getPath();
if (requestURIPath.endsWith("application.wadl")) {
requestURI = UriBuilder.fromUri(requestURI)
.replacePath(
requestURIPath
.substring(0, requestURIPath.lastIndexOf('/') + 1))
.build();
}
String root = application.getResources().get(0).getBase();
UriBuilder extendedPath = root != null
? UriBuilder.fromPath(root).path("/application.wadl/")
: UriBuilder.fromPath("./application.wadl/");
URI rootURI = root != null ? UriBuilder.fromPath(root).build() : null;
// Add a reference to this grammar
//
Grammars grammars;
if (application.getGrammars() != null) {
LOG.info("The wadl application already contains a grammars element,"
+ " we're adding elements of the provided grammars file.");
grammars = application.getGrammars();
} else {
grammars = new Grammars();
application.setGrammars(grammars);
}
// Create a reference back to the root WADL
//
for (String path : applicationDescription.getExternalMetadataKeys()) {
ApplicationDescription.ExternalGrammar eg =
applicationDescription.getExternalGrammar(path);
if (!eg.isIncludedInGrammar()) {
continue;
}
URI schemaURI =
extendedPath.clone().path(path).build();
String schemaURIS = schemaURI.toString();
String requestURIs = requestURI.toString();
String schemaPath = rootURI != null
? requestURI.relativize(schemaURI).toString()
: schemaURI.toString();
Include include = new Include();
include.setHref(schemaPath);
Doc doc = new Doc();
doc.setLang("en");
doc.setTitle("Generated");
include.getDoc().add(doc);
// Finally add to list
grammars.getInclude().add(include);
}
}
}
