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java.lang.Objectorg.apache.jasper.servlet.JspCServletContext
public class JspCServletContext
Simple ServletContext implementation without
HTTP-specific methods.
| Field Summary | |
|---|---|
protected java.util.Hashtable |
myAttributes
Servlet context attributes. |
protected java.io.PrintWriter |
myLogWriter
The log writer we will write log messages to. |
protected java.net.URL |
myResourceBaseURL
The base URL (document root) for this context. |
| Constructor Summary | |
|---|---|
JspCServletContext(java.io.PrintWriter aLogWriter,
java.net.URL aResourceBaseURL)
Create a new instance of this ServletContext implementation. |
|
| Method Summary | |
|---|---|
java.lang.Object |
getAttribute(java.lang.String name)
Return the specified context attribute, if any. |
java.util.Enumeration |
getAttributeNames()
Return an enumeration of context attribute names. |
javax.servlet.ServletContext |
getContext(java.lang.String uripath)
Return the servlet context for the specified path. |
java.lang.String |
getContextPath()
Return the context path. |
java.lang.String |
getInitParameter(java.lang.String name)
Return the specified context initialization parameter. |
java.util.Enumeration |
getInitParameterNames()
Return an enumeration of the names of context initialization parameters. |
int |
getMajorVersion()
Return the Servlet API major version number. |
java.lang.String |
getMimeType(java.lang.String file)
Return the MIME type for the specified filename. |
int |
getMinorVersion()
Return the Servlet API minor version number. |
javax.servlet.RequestDispatcher |
getNamedDispatcher(java.lang.String name)
Return a request dispatcher for the specified servlet name. |
java.lang.String |
getRealPath(java.lang.String path)
Return the real path for the specified context-relative virtual path. |
javax.servlet.RequestDispatcher |
getRequestDispatcher(java.lang.String path)
Return a request dispatcher for the specified context-relative path. |
java.net.URL |
getResource(java.lang.String path)
Return a URL object of a resource that is mapped to the specified context-relative path. |
java.io.InputStream |
getResourceAsStream(java.lang.String path)
Return an InputStream allowing access to the resource at the specified context-relative path. |
java.util.Set |
getResourcePaths(java.lang.String path)
Return the set of resource paths for the "directory" at the specified context path. |
java.lang.String |
getServerInfo()
Return descriptive information about this server. |
javax.servlet.Servlet |
getServlet(java.lang.String name)
Deprecated. This method has been deprecated with no replacement |
java.lang.String |
getServletContextName()
Return the name of this servlet context. |
java.util.Enumeration |
getServletNames()
Deprecated. This method has been deprecated with no replacement |
java.util.Enumeration |
getServlets()
Deprecated. This method has been deprecated with no replacement |
void |
log(java.lang.Exception exception,
java.lang.String message)
Deprecated. Use log(String,Throwable) instead |
void |
log(java.lang.String message)
Log the specified message. |
void |
log(java.lang.String message,
java.lang.Throwable exception)
Log the specified message and exception. |
void |
removeAttribute(java.lang.String name)
Remove the specified context attribute. |
void |
setAttribute(java.lang.String name,
java.lang.Object value)
Set or replace the specified context attribute. |
boolean |
setInitParameter(java.lang.String name,
java.lang.String value)
|
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected java.util.Hashtable myAttributes
protected java.io.PrintWriter myLogWriter
protected java.net.URL myResourceBaseURL
| Constructor Detail |
|---|
public JspCServletContext(java.io.PrintWriter aLogWriter,
java.net.URL aResourceBaseURL)
aLogWriter - PrintWriter which is used for log() callsaResourceBaseURL - Resource base URL| Method Detail |
|---|
public java.lang.Object getAttribute(java.lang.String name)
getAttribute in interface javax.servlet.ServletContextname - Name of the requested attribute
Object containing the value
of the attribute, or null
if no attribute exists matching the given
nameServletContext.getAttributeNames()public java.util.Enumeration getAttributeNames()
getAttributeNames in interface javax.servlet.ServletContextEnumeration of attribute
namesServletContext.getAttribute(java.lang.String)public javax.servlet.ServletContext getContext(java.lang.String uripath)
getContext in interface javax.servlet.ServletContexturipath - Server-relative path starting with '/'
ServletContext object that
corresponds to the named URL, or null if either
none exists or the container wishes to restrict
this access.RequestDispatcherpublic java.lang.String getContextPath()
getContextPath in interface javax.servlet.ServletContextpublic java.lang.String getInitParameter(java.lang.String name)
getInitParameter in interface javax.servlet.ServletContextname - Name of the requested parameter
String containing the value of the initialization
parameterServletConfig.getInitParameter(java.lang.String)public java.util.Enumeration getInitParameterNames()
getInitParameterNames in interface javax.servlet.ServletContextEnumeration of String
objects containing the names of the context's
initialization parametersServletConfig.getInitParameter(java.lang.String)public int getMajorVersion()
getMajorVersion in interface javax.servlet.ServletContextpublic java.lang.String getMimeType(java.lang.String file)
getMimeType in interface javax.servlet.ServletContextfile - Filename whose MIME type is requested
String specifying the file's MIME typepublic int getMinorVersion()
getMinorVersion in interface javax.servlet.ServletContextpublic javax.servlet.RequestDispatcher getNamedDispatcher(java.lang.String name)
getNamedDispatcher in interface javax.servlet.ServletContextname - Name of the requested servlet
RequestDispatcher object
that acts as a wrapper for the named servlet,
or null if the ServletContext
cannot return a RequestDispatcherRequestDispatcher,
ServletContext.getContext(java.lang.String),
ServletConfig.getServletName()public java.lang.String getRealPath(java.lang.String path)
getRealPath in interface javax.servlet.ServletContextpath - The context-relative virtual path to resolve
String specifying the real path,
or null if the translation cannot be performedpublic javax.servlet.RequestDispatcher getRequestDispatcher(java.lang.String path)
getRequestDispatcher in interface javax.servlet.ServletContextpath - Context-relative path for which to acquire a dispatcher
RequestDispatcher object
that acts as a wrapper for the resource
at the specified path, or null if
the ServletContext cannot return
a RequestDispatcherRequestDispatcher,
ServletContext.getContext(java.lang.String)
public java.net.URL getResource(java.lang.String path)
throws java.net.MalformedURLException
getResource in interface javax.servlet.ServletContextpath - Context-relative path of the desired resource
null if there is no resource
at that path
java.net.MalformedURLException - if the resource path is
not properly formedpublic java.io.InputStream getResourceAsStream(java.lang.String path)
getResourceAsStream in interface javax.servlet.ServletContextpath - Context-relative path of the desired resource
InputStream returned to the
servlet, or null if no resource
exists at the specified pathpublic java.util.Set getResourcePaths(java.lang.String path)
getResourcePaths in interface javax.servlet.ServletContextpath - Context-relative base path
public java.lang.String getServerInfo()
getServerInfo in interface javax.servlet.ServletContextString containing at least the
servlet container name and version number
public javax.servlet.Servlet getServlet(java.lang.String name)
throws javax.servlet.ServletException
getServlet in interface javax.servlet.ServletContextname - Name of the requested servlet
javax.servlet.ServletExceptionpublic java.lang.String getServletContextName()
getServletContextName in interface javax.servlet.ServletContextpublic java.util.Enumeration getServletNames()
getServletNames in interface javax.servlet.ServletContextpublic java.util.Enumeration getServlets()
getServlets in interface javax.servlet.ServletContextpublic void log(java.lang.String message)
log in interface javax.servlet.ServletContextmessage - The message to be logged
public void log(java.lang.Exception exception,
java.lang.String message)
log in interface javax.servlet.ServletContextexception - The exception to be loggedmessage - The message to be logged
public void log(java.lang.String message,
java.lang.Throwable exception)
log in interface javax.servlet.ServletContextmessage - The message to be loggedexception - The exception to be loggedpublic void removeAttribute(java.lang.String name)
removeAttribute in interface javax.servlet.ServletContextname - Name of the attribute to remove
public void setAttribute(java.lang.String name,
java.lang.Object value)
setAttribute in interface javax.servlet.ServletContextname - Name of the context attribute to setvalue - Corresponding attribute value
public boolean setInitParameter(java.lang.String name,
java.lang.String value)
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