org.apache.sling.scripting.jsp.jasper.runtime
Class PageContextImpl
java.lang.Object
javax.servlet.jsp.JspContext
javax.servlet.jsp.PageContext
org.apache.sling.scripting.jsp.jasper.runtime.PageContextImpl
public class PageContextImpl
- extends javax.servlet.jsp.PageContext
Implementation of the PageContext class from the JSP spec. Also doubles as a
VariableResolver for the EL.
- Author:
- Anil K. Vijendran, Larry Cable, Hans Bergsten, Pierre Delisle, Mark Roth, Jan Luehe, Jacob Hookom
Fields inherited from class javax.servlet.jsp.PageContext |
APPLICATION, APPLICATION_SCOPE, CONFIG, EXCEPTION, OUT, PAGE, PAGE_SCOPE, PAGECONTEXT, REQUEST, REQUEST_SCOPE, RESPONSE, SESSION, SESSION_SCOPE |
Method Summary |
Object |
findAttribute(String name)
|
void |
forward(String relativeUrlPath)
|
Object |
getAttribute(String name)
|
Object |
getAttribute(String name,
int scope)
|
Enumeration<String> |
getAttributeNamesInScope(int scope)
|
int |
getAttributesScope(String name)
|
javax.el.ELContext |
getELContext()
|
Exception |
getException()
Returns the exception associated with this page context, if any. |
javax.servlet.jsp.el.ExpressionEvaluator |
getExpressionEvaluator()
Provides programmatic access to the ExpressionEvaluator. |
javax.servlet.jsp.JspWriter |
getOut()
|
Object |
getPage()
|
javax.servlet.ServletRequest |
getRequest()
|
javax.servlet.ServletResponse |
getResponse()
|
javax.servlet.Servlet |
getServlet()
|
javax.servlet.ServletConfig |
getServletConfig()
|
javax.servlet.ServletContext |
getServletContext()
|
javax.servlet.http.HttpSession |
getSession()
|
javax.servlet.jsp.el.VariableResolver |
getVariableResolver()
|
void |
handlePageException(Exception ex)
|
void |
handlePageException(Throwable t)
|
void |
include(String relativeUrlPath)
|
void |
include(String relativeUrlPath,
boolean flush)
|
void |
initialize(javax.servlet.Servlet servlet,
javax.servlet.ServletRequest request,
javax.servlet.ServletResponse response,
String errorPageURL,
boolean needsSession,
int bufferSize,
boolean autoFlush)
|
javax.servlet.jsp.JspWriter |
popBody()
|
static Object |
proprietaryEvaluate(String expression,
Class expectedType,
javax.servlet.jsp.PageContext pageContext,
ProtectedFunctionMapper functionMap,
boolean escape)
Proprietary method to evaluate EL expressions. |
javax.servlet.jsp.tagext.BodyContent |
pushBody()
|
javax.servlet.jsp.JspWriter |
pushBody(Writer writer)
|
void |
release()
|
void |
removeAttribute(String name)
|
void |
removeAttribute(String name,
int scope)
|
void |
setAttribute(String name,
Object attribute)
|
void |
setAttribute(String name,
Object o,
int scope)
|
Methods inherited from class javax.servlet.jsp.PageContext |
getErrorData |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
initialize
public void initialize(javax.servlet.Servlet servlet,
javax.servlet.ServletRequest request,
javax.servlet.ServletResponse response,
String errorPageURL,
boolean needsSession,
int bufferSize,
boolean autoFlush)
throws IOException
- Specified by:
initialize
in class javax.servlet.jsp.PageContext
- Throws:
IOException
release
public void release()
- Specified by:
release
in class javax.servlet.jsp.PageContext
getAttribute
public Object getAttribute(String name)
- Specified by:
getAttribute
in class javax.servlet.jsp.JspContext
getAttribute
public Object getAttribute(String name,
int scope)
- Specified by:
getAttribute
in class javax.servlet.jsp.JspContext
setAttribute
public void setAttribute(String name,
Object attribute)
- Specified by:
setAttribute
in class javax.servlet.jsp.JspContext
setAttribute
public void setAttribute(String name,
Object o,
int scope)
- Specified by:
setAttribute
in class javax.servlet.jsp.JspContext
removeAttribute
public void removeAttribute(String name,
int scope)
- Specified by:
removeAttribute
in class javax.servlet.jsp.JspContext
getAttributesScope
public int getAttributesScope(String name)
- Specified by:
getAttributesScope
in class javax.servlet.jsp.JspContext
findAttribute
public Object findAttribute(String name)
- Specified by:
findAttribute
in class javax.servlet.jsp.JspContext
getAttributeNamesInScope
public Enumeration<String> getAttributeNamesInScope(int scope)
- Specified by:
getAttributeNamesInScope
in class javax.servlet.jsp.JspContext
removeAttribute
public void removeAttribute(String name)
- Specified by:
removeAttribute
in class javax.servlet.jsp.JspContext
getOut
public javax.servlet.jsp.JspWriter getOut()
- Specified by:
getOut
in class javax.servlet.jsp.JspContext
getSession
public javax.servlet.http.HttpSession getSession()
- Specified by:
getSession
in class javax.servlet.jsp.PageContext
getServlet
public javax.servlet.Servlet getServlet()
getServletConfig
public javax.servlet.ServletConfig getServletConfig()
- Specified by:
getServletConfig
in class javax.servlet.jsp.PageContext
getServletContext
public javax.servlet.ServletContext getServletContext()
- Specified by:
getServletContext
in class javax.servlet.jsp.PageContext
getRequest
public javax.servlet.ServletRequest getRequest()
- Specified by:
getRequest
in class javax.servlet.jsp.PageContext
getResponse
public javax.servlet.ServletResponse getResponse()
- Specified by:
getResponse
in class javax.servlet.jsp.PageContext
getException
public Exception getException()
- Returns the exception associated with this page context, if any.
Added wrapping for Throwables to avoid ClassCastException: see Bugzilla
31171 for details.
- Specified by:
getException
in class javax.servlet.jsp.PageContext
- Returns:
- The Exception associated with this page context, if any.
getPage
public Object getPage()
- Specified by:
getPage
in class javax.servlet.jsp.PageContext
include
public void include(String relativeUrlPath)
throws javax.servlet.ServletException,
IOException
- Specified by:
include
in class javax.servlet.jsp.PageContext
- Throws:
javax.servlet.ServletException
IOException
include
public void include(String relativeUrlPath,
boolean flush)
throws javax.servlet.ServletException,
IOException
- Specified by:
include
in class javax.servlet.jsp.PageContext
- Throws:
javax.servlet.ServletException
IOException
getVariableResolver
public javax.servlet.jsp.el.VariableResolver getVariableResolver()
- Specified by:
getVariableResolver
in class javax.servlet.jsp.JspContext
forward
public void forward(String relativeUrlPath)
throws javax.servlet.ServletException,
IOException
- Specified by:
forward
in class javax.servlet.jsp.PageContext
- Throws:
javax.servlet.ServletException
IOException
pushBody
public javax.servlet.jsp.tagext.BodyContent pushBody()
- Overrides:
pushBody
in class javax.servlet.jsp.PageContext
pushBody
public javax.servlet.jsp.JspWriter pushBody(Writer writer)
- Overrides:
pushBody
in class javax.servlet.jsp.JspContext
popBody
public javax.servlet.jsp.JspWriter popBody()
- Overrides:
popBody
in class javax.servlet.jsp.JspContext
getExpressionEvaluator
public javax.servlet.jsp.el.ExpressionEvaluator getExpressionEvaluator()
- Provides programmatic access to the ExpressionEvaluator. The JSP
Container must return a valid instance of an ExpressionEvaluator that can
parse EL expressions.
- Specified by:
getExpressionEvaluator
in class javax.servlet.jsp.JspContext
handlePageException
public void handlePageException(Exception ex)
throws IOException,
javax.servlet.ServletException
- Specified by:
handlePageException
in class javax.servlet.jsp.PageContext
- Throws:
IOException
javax.servlet.ServletException
handlePageException
public void handlePageException(Throwable t)
throws IOException,
javax.servlet.ServletException
- Specified by:
handlePageException
in class javax.servlet.jsp.PageContext
- Throws:
IOException
javax.servlet.ServletException
proprietaryEvaluate
public static Object proprietaryEvaluate(String expression,
Class expectedType,
javax.servlet.jsp.PageContext pageContext,
ProtectedFunctionMapper functionMap,
boolean escape)
throws javax.servlet.jsp.el.ELException
- Proprietary method to evaluate EL expressions. XXX - This method should
go away once the EL interpreter moves out of JSTL and into its own
project. For now, this is necessary because the standard machinery is too
slow.
- Parameters:
expression
- The expression to be evaluatedexpectedType
- The expected resulting typepageContext
- The page contextfunctionMap
- Maps prefix and name to Method
- Returns:
- The result of the evaluation
- Throws:
javax.servlet.jsp.el.ELException
getELContext
public javax.el.ELContext getELContext()
- Specified by:
getELContext
in class javax.servlet.jsp.JspContext
Copyright © 2007-2013 The Apache Software Foundation. All Rights Reserved.