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package javax.enterprise.deploy.model;
import javax.enterprise.deploy.shared.ModuleType;
import java.util.Enumeration;
import java.io.InputStream;
import java.io.IOException;
/**
* The DeployableObject interface is an abstract representation
* of a J2EE deployable module (JAR, WAR, RAR, EAR). A
* DeployableObject provides access to the module's deployment
* descriptor and class files.
*
* @author gfink
* @version 0.1
*/
public interface DeployableObject
{
/**
* Return the ModuleType of deployment descriptor (i.e., EAR,
* JAR, WAR, RAR) this deployable object represents.
* Values are found in DeploymentManager.
*
* @return The ModuleType of deployable object
*/
public ModuleType getType();
/**
* Return the top level standard bean representing
* the root of the deployment descriptor.
*
* @return A standard bean representing the deployment
* descriptor.
*/
public DDBeanRoot getDDBeanRoot();
/**
* Return an array of standard beans representing the
* XML content returned based upon the XPath.
*
* @param xpath An XPath string identifying the data to
* be extracted from the deployment descriptor.
* @return a array of DDBeans or 'null' if no matching data found.
*
*/
public DDBean[] getChildBean(String xpath);
/**
* Return the XML content associated with the XPath
* from a deployment descriptor.
*
* @param xpath An xpath string referring to a location in the
* deployment descriptor
* @return a list XML content or 'null' if no matching data found.
*/
public String[] getText(String xpath);
/**
* Retrieve the specified class from this deployable module.
* <p>
* One use: to get all finder methods from an EJB
*
* If the tool is attempting to package an module
* and retrieve a class from the package, the class
* request may fail. The class may not yet be
* available. The tool should respect the manifest
* cross-path entries.
*
* @param className Class to retrieve.
* @return Class representation of the class
*/
public Class getClassFromScope(String className);
/**
* Returns the DTD version number given in the XML
* DOCTYPE text provided in every standard J2EE module's
* deployment descriptor file.
* @return a string containing the DTD version number
*
* <PRE>
* A module's deployment descriptor file always contains
* a document type identifier, DOCTYPE. The DOCTYPE statement
* contains the module DTD version number in the label of the
* statement.
*
* The format of the DOCTYPE statement is:
*<ul>
* <!DOCTYPE root_element PUBLIC
* "-//organization//label//language" "location">
*</ul>
*
* root_element - is the name of the root document in the DTD.
* organization - is the name of the organization responsible
* for the creation and maintenance of the DTD
* being referenced.
* label - is a unique descriptive name for the public text being
* referenced.
* language - is the ISO 639 language id representing the natural
* language encoding of th DTD.
* location - is the URL of the DTD.
*
* An example J2EE deployment descriptor DOCTYPE statement is:
*<ul>
* <!DOCTYPE application-client PUBLIC
* "-//Sun Microsystems, Inc.//DTD J2EE Application Client 1.3//EN"
* "http://java.sun.com/dtd/application-client_1_3.dtd">
*</ul>
* In this example the label is, "DTD J2EE Application Client 1.3",
* and the DTD version number is 1.3. A call to getModuleDTDVersion
* would return a string containing, "1.3".
* </PRE>
*
* This method is being deprecated. With the addition of multiple
* deployment descritors in components for J2EE 1.4 this method is
* being replaced by DDBeanRoot.getDDBeanRootVersion.
*
* @deprecated As of version 1.1 replaced by
* DDBeanRoot.getDDBeanRootVersion()
*/
public String getModuleDTDVersion();
/**
* Returns a DDBeanRoot object for the XML instance document named.
* This method should be used to return DDBeanRoot objects for non
* deployment descriptor XML instance documents such as WSDL files.
*
* @return a DDBeanRoot object for the XML data.
* @throws java.io.FileNotFoundException, if the named file can not
* be found
* @throws javax.enterprise.deploy.model.exceptions.DDBeanCreateException
* if an error is encountered creating the DDBeanRoot object.
*/
public DDBeanRoot getDDBeanRoot(String filename) throws
java.io.FileNotFoundException,
javax.enterprise.deploy.model.exceptions.DDBeanCreateException;
/**
* Returns an enumeration of the module file entries. All elements
* in the enumeration are of type String. Each String represents a
* file name relative to the root of the module.
*
* @return an enumeration of the archive file entries.
*/
public Enumeration entries();
/**
* Returns the InputStream for the given entry name
* The file name must be relative to the root of the module.
*
* @param name the file name relative to the root of the module.
*
* @return the InputStream for the given entry name or null if not found.
*/
public InputStream getEntry(String name);
}
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