com.sun.jersey.server.impl.wadl.WadlFactory Maven / Gradle / Ivy
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package com.sun.jersey.server.impl.wadl;
import com.sun.jersey.server.wadl.WadlGenerator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.api.model.AbstractResource;
import com.sun.jersey.api.wadl.config.WadlGeneratorConfigLoader;
import com.sun.jersey.core.spi.factory.InjectableProviderFactory;
import com.sun.jersey.server.impl.model.method.ResourceMethod;
import com.sun.jersey.server.impl.uri.PathPattern;
import com.sun.jersey.server.wadl.WadlApplicationContext;
import com.sun.jersey.spi.inject.SingletonTypeInjectableProvider;
import java.util.logging.Level;
import javax.ws.rs.core.Context;
/**
*
* @author [email protected]
*/
public final class WadlFactory {
private static final Logger LOGGER = Logger.getLogger(WadlFactory.class.getName());
private final boolean isJAXBPresent;
private final WadlGenerator wadlGenerator;
public WadlFactory(ResourceConfig resourceConfig) {
isJAXBPresent = checkForJAXB();
if (isJAXBPresent) {
wadlGenerator = WadlGeneratorConfigLoader.loadWadlGeneratorsFromConfig(resourceConfig);
}
else {
wadlGenerator = null;
}
}
public boolean isSupported() {
return isJAXBPresent;
}
public WadlApplicationContext createWadlApplicationContext(Set rootResources) {
if (!isSupported()) return null;
return new WadlApplicationContextImpl(rootResources, wadlGenerator);
}
public void init(InjectableProviderFactory ipf, Set rootResources) {
if (!isSupported()) return;
WadlApplicationContext w = new WadlApplicationContextImpl(rootResources, wadlGenerator);
ipf.add(new SingletonTypeInjectableProvider(
WadlApplicationContext.class, w) {});
}
/**
* Create the WADL resource method for OPTIONS.
*
* This is created using reflection so that there is no runtime
* dependency on JAXB. If the JAXB jars are not in the class path
* then WADL generation will not be supported.
*
* @param resource the resource model
* @return the WADL resource OPTIONS method
*/
public ResourceMethod createWadlOptionsMethod(
Map> methods,
AbstractResource resource, PathPattern p) {
if (!isSupported()) return null;
if (p == null) {
return new WadlMethodFactory.WadlOptionsMethod(methods, resource, null, wadlGenerator);
} else {
// Remove the '/' from the beginning
String path = p.getTemplate().getTemplate().substring(1);
return new WadlMethodFactory.WadlOptionsMethod(methods, resource, path, wadlGenerator);
}
}
/**
* Check if JAXB is present in the class path
* @return
*
* @throws java.lang.ClassNotFoundException
*/
private static boolean checkForJAXB() {
try {
Class.forName("javax.xml.bind.JAXBElement");
return true;
} catch(ClassNotFoundException e) {
LOGGER.log(Level.CONFIG,
"WADL generation is disabled " +
"because JAXB jars are not " +
"included in the java class path. " +
"To enable WADL include JAXB 2.x jars in the java class path.");
return false;
}
}
}