Interface ServletContext

Package javax.servlet
public interface ServletContext

Defines a set of methods that a servlet uses to communicate with its servlet container.
There is one context per "web application" per Java Virtual Machine.
In the case of a web application marked "distributed" in its deployment descriptor, there will be one context instance for each virtual machine. In this situation, the context cannot be used as a location to share global information Use an external resource like a database instead.
The ServletContext object is contained within the ServletConfig object, which the Web server provides the servlet when the servlet is initialized.

Interface ServletContext Method

Interface ServletContext Method Summary
java.lang.ObjectgetAttribute(java.lang.String name)
Returns the servlet container attribute with the given name, or null if there is no attribute by that name.
Returns an Enumeration containing the attribute names available within this servlet context.
ServletContextgetContext(java.lang.String uripath)
Returns a ServletContext object that corresponds to a specified URL on the server.
java.lang.StringgetInitParameter(java.lang.String name)
Returns a String containing the value of the named context-wide initialization parameter, or null if the parameter does not exist.
Returns the names of the context's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the context has no initialization parameters.
Returns the major version of the Java Servlet API that this servlet container supports.
java.lang.StringgetMimeType(java.lang.String file)
Returns the MIME type of the specified file, or null if the MIME type is not known.
Returns the minor version of the brServlet API that this servlet container supports.
RequestDispatchergetNamedDispatcher(java.lang.String name)
Returns a RequestDispatcher object that acts as a wrapper for the named servlet.
java.lang.StringgetRealPath(java.lang.String path)
Returns a String containing the real path for a given virtual path.

References By : tomcat.apache « Privious Post » « Next Post » share on :        :  

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