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package org.glassfish.api.container;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.jvnet.hk2.annotations.Contract;
import java.io.IOException;
import java.util.logging.Logger;
import java.lang.annotation.Annotation;
import com.sun.enterprise.module.Module;
import java.util.Map;
/**
* A sniffer implementation is responsible for identifying a particular
* application type and/or a particular file type.
*
* <p>
* For clients who want to work with Sniffers, see <tt>SnifferManager</tt> in the kernel.
*
* @author Jerome Dochez
*/
@Contract
public interface Sniffer {
/**
* Returns true if the passed file or directory is recognized by this
* sniffer.
* @param source the file or directory abstracted as an archive
* @param loader if the class loader capable of loading classes and
* resources from the source archive.
* @return true if the location is recognized by this sniffer
*/
public boolean handles(ReadableArchive source, ClassLoader loader);
/**
* Returns the array of patterns to apply against the request URL
* If the pattern matches the URL, the service method of the associated
* container will be invoked
* @return array of patterns
*/
public String[] getURLPatterns();
/**
* Returns the list of annotations types that this sniffer is interested in.
* If an application bundle contains at least one class annotated with
* one of the returned annotations, the deployment process will not
* call the handles method but will invoke the containers deployers as if
* the handles method had been called and returned true.
*
* @return list of annotations this sniffer is interested in or an empty array
*/
public Class<? extends Annotation>[] getAnnotationTypes();
/**
* Returns the module type associated with this sniffer
* @return the container name
*/
public String getModuleType();
/**
* Sets up the container libraries so that any imported bundle from the
* connector jar file will now be known to the module subsystem
*
* This method returns a {@link Module}s for the module containing
* the core implementation of the container. That means that this module
* will be locked as long as there is at least one module loaded in the
* associated container.
*
* @param containerHome is where the container implementation resides
* @param logger the logger to use
* @return the module definition of the core container implementation.
*
* @throws java.io.IOException exception if something goes sour
*/
public Module[] setup(String containerHome, Logger logger) throws IOException;
/**
* Tears down a container, remove all imported libraries from the module
* subsystem.
*
*/
public void tearDown();
/**
* Returns the list of Containers that this Sniffer enables.
*
* The runtime will look up each container implementing
* using the names provided in the habitat.
*
* @return list of container names known to the habitat for this sniffer
*/
public String[] getContainersNames();
/**
* @return whether this sniffer should be visible to user
*
*/
public boolean isUserVisible();
/**
* Returns a map of deployment configurations for this Sniffer from the
* specific archive source.
* <p>
* Many sniffers (esp. Java EE sniffers) will choose to set the key of each
* map entry to the relative path within the ReadableArchive of the
* deployment descriptor and the value of that map entry to the
* descriptor's contents.
*
* @param source the contents of the application's archive
* @return map of configuration names to configurations for the application
* @throws java.io.IOException in case of errors searching or reading the
* archive for the deployment configuration(s)
*/
public Map<String,String> getDeploymentConfigurations(final ReadableArchive source) throws IOException;
/**
* @return the set of the sniffers that should not co-exist for the
* same module. For example, ejb and appclient sniffers should not
* be returned in the sniffer list for a certain module.
* This method will be used to validate and filter the retrieved sniffer
* lists for a certain module
*
*/
public String[] getIncompatibleSnifferTypes();
}