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package org.glassfish.api.deployment.archive;
import org.glassfish.api.deployment.DeploymentContext;
import org.jvnet.hk2.annotations.Contract;
import java.io.IOException;
import java.util.jar.Manifest;
import java.util.List;
import java.net.URI;
/**
* ArchiveHandlers are handling certain archive type. An archive has a unique type which is usually defines how
* classes and resources are loaded from the archive. An archive is also known as a module. It represents a unit
* of deployment.
*
* ArchiveHandler should be stateless objects although the implementations of this contract can
* control that using the scope element of the @Service annotation.
*
* @author Jerome Dochez, Sanjeeb Sahoo
*/
@Contract
public interface ArchiveHandler {
// TODO(Sahoo): Introduce abstraction like DeploymentUnit that's stateful and maps straight to a war/jar/ear/etc.
/**
* This method is semantically equivalent to {@link ArchiveDetector#getArchiveType()} except that
* this method returns string equivalent of ArchiveType because of backward compatibility reasons.
*
* @return the type of the archive or deployment unit handled by this handler
* @see ArchiveDetector#getArchiveType()
*/
public String getArchiveType();
/**
* Returns the default name by which the specified archive can be
* identified.
*
* The default name is used, for example, during deployment if no name
* was specified explicitly as part of the deployment request.
* @param archive the archive for which to provide the default name
* @return the default name for identifying the specified archive
*/
public String getDefaultApplicationName(ReadableArchive archive);
public String getDefaultApplicationName(ReadableArchive archive, DeploymentContext context);
/**
* Returns the version identifier by which the specified archive can be
* deployed.
* The version identifier is used during deployment if no version identifier
* was specified null must be returned
* @param archive the archive for which to provide the version identifier
* @return the version identifier for versioning the deployment archive or null
*/
public String getVersionIdentifier(ReadableArchive archive);
/**
* Returns true if this handler understands the specified archive and
* can process it.
*
* @throws IOException
* The implementation of this method is expected to interact with
* the given archive, and if methods on {@link ReadableArchive}
* throws an {@link IOException}, it can be simply tunneled to the caller.
*/
public boolean handles(ReadableArchive archive) throws IOException;
/**
* Creates a classloader that can load code from inside the archive.
*
* @param parent
* The newly created classloader to be returned must eventually delegate to this classloader.
* (This classloader is capable of resolving APIs and other things that the container
* @param context
*/
public ClassLoader getClassLoader(ClassLoader parent, DeploymentContext context);
/**
* Prepares the jar file to a format the ApplicationContainer is
* expecting. This could be just a pure unzipping of the jar or
* nothing at all.
* @param source of the expanding
* @param target of the expanding
* @param context
*/
public void expand(ReadableArchive source, WritableArchive target, DeploymentContext context) throws IOException;
/**
* Returns the manifest file for this archive, this file is usually located at
* the META-INF/MANIFEST location, however, certain archive type can change this
* default location or use another mean of expressing manifest information.
*
* @param archive file
* @return manifest instance or null if this archive has no manifest
*/
public Manifest getManifest(ReadableArchive archive) throws IOException;
/**
* Returns the classpath URIs for this archive.
*
* @param archive file
* @return classpath URIs for this archive
*/
public List getClassPathURIs(ReadableArchive archive);
/**
* Returns whether this archive requires annotation scanning.
*
* @param archive file
* @return whether this archive requires annotation scanning
*/
public boolean requiresAnnotationScanning(ReadableArchive archive);
}