Package org.apache.sling.scripting.jsp.jasper.runtime

Class 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.

    • Field Summary

      • 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

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object findAttribute​(java.lang.String name)  
      void forward​(java.lang.String relativeUrlPath)  
      void forwardToErrorPage​(java.lang.String relativeUrlPath)  
      java.lang.Object getAttribute​(java.lang.String name)  
      java.lang.Object getAttribute​(java.lang.String name, int scope)  
      java.util.Enumeration<java.lang.String> getAttributeNamesInScope​(int scope)  
      int getAttributesScope​(java.lang.String name)  
      javax.el.ELContext getELContext()  
      java.lang.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()  
      java.lang.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​(java.lang.Exception ex)  
      void handlePageException​(java.lang.Throwable t)  
      void include​(java.lang.String relativeUrlPath)  
      void include​(java.lang.String relativeUrlPath, boolean flush)  
      void initialize​(javax.servlet.Servlet servlet, javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, java.lang.String errorPageURL, boolean needsSession, int bufferSize, boolean autoFlush)  
      javax.servlet.jsp.JspWriter popBody()  
      static java.lang.Object proprietaryEvaluate​(java.lang.String expression, java.lang.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​(java.io.Writer writer)  
      void release()  
      void removeAttribute​(java.lang.String name)  
      void removeAttribute​(java.lang.String name, int scope)  
      void setAttribute​(java.lang.String name, java.lang.Object attribute)  
      void setAttribute​(java.lang.String name, java.lang.Object o, int scope)  

      • Methods inherited from class javax.servlet.jsp.PageContext

        getErrorData

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • initialize

        public void initialize​(javax.servlet.Servlet servlet,
                       javax.servlet.ServletRequest request,
                       javax.servlet.ServletResponse response,
                       java.lang.String errorPageURL,
                       boolean needsSession,
                       int bufferSize,
                       boolean autoFlush)
                throws java.io.IOException
        Specified by:
        initialize in class javax.servlet.jsp.PageContext
        Throws:
        java.io.IOException

      • release

        public void release()
        Specified by:
        release in class javax.servlet.jsp.PageContext

      • getAttribute

        public java.lang.Object getAttribute​(java.lang.String name)
        Specified by:
        getAttribute in class javax.servlet.jsp.JspContext

      • getAttribute

        public java.lang.Object getAttribute​(java.lang.String name,
                                     int scope)
        Specified by:
        getAttribute in class javax.servlet.jsp.JspContext

      • setAttribute

        public void setAttribute​(java.lang.String name,
                         java.lang.Object attribute)
        Specified by:
        setAttribute in class javax.servlet.jsp.JspContext

      • setAttribute

        public void setAttribute​(java.lang.String name,
                         java.lang.Object o,
                         int scope)
        Specified by:
        setAttribute in class javax.servlet.jsp.JspContext

      • removeAttribute

        public void removeAttribute​(java.lang.String name,
                            int scope)
        Specified by:
        removeAttribute in class javax.servlet.jsp.JspContext

      • getAttributesScope

        public int getAttributesScope​(java.lang.String name)
        Specified by:
        getAttributesScope in class javax.servlet.jsp.JspContext

      • findAttribute

        public java.lang.Object findAttribute​(java.lang.String name)
        Specified by:
        findAttribute in class javax.servlet.jsp.JspContext

      • getAttributeNamesInScope

        public java.util.Enumeration<java.lang.String> getAttributeNamesInScope​(int scope)
        Specified by:
        getAttributeNamesInScope in class javax.servlet.jsp.JspContext

      • removeAttribute

        public void removeAttribute​(java.lang.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 java.lang.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 java.lang.Object getPage()
        Specified by:
        getPage in class javax.servlet.jsp.PageContext

      • include

        public void include​(java.lang.String relativeUrlPath)
             throws javax.servlet.ServletException,
                    java.io.IOException
        Specified by:
        include in class javax.servlet.jsp.PageContext
        Throws:
        javax.servlet.ServletException
        java.io.IOException

      • include

        public void include​(java.lang.String relativeUrlPath,
                    boolean flush)
             throws javax.servlet.ServletException,
                    java.io.IOException
        Specified by:
        include in class javax.servlet.jsp.PageContext
        Throws:
        javax.servlet.ServletException
        java.io.IOException

      • getVariableResolver

        public javax.servlet.jsp.el.VariableResolver getVariableResolver()
        Specified by:
        getVariableResolver in class javax.servlet.jsp.JspContext

      • forward

        public void forward​(java.lang.String relativeUrlPath)
             throws javax.servlet.ServletException,
                    java.io.IOException
        Specified by:
        forward in class javax.servlet.jsp.PageContext
        Throws:
        javax.servlet.ServletException
        java.io.IOException

      • forwardToErrorPage

        public void forwardToErrorPage​(java.lang.String relativeUrlPath)
                        throws javax.servlet.ServletException,
                               java.io.IOException
        Throws:
        javax.servlet.ServletException
        java.io.IOException

      • pushBody

        public javax.servlet.jsp.tagext.BodyContent pushBody()
        Overrides:
        pushBody in class javax.servlet.jsp.PageContext

      • pushBody

        public javax.servlet.jsp.JspWriter pushBody​(java.io.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​(java.lang.Exception ex)
                         throws java.io.IOException,
                                javax.servlet.ServletException
        Specified by:
        handlePageException in class javax.servlet.jsp.PageContext
        Throws:
        java.io.IOException
        javax.servlet.ServletException

      • handlePageException

        public void handlePageException​(java.lang.Throwable t)
                         throws java.io.IOException,
                                javax.servlet.ServletException
        Specified by:
        handlePageException in class javax.servlet.jsp.PageContext
        Throws:
        java.io.IOException
        javax.servlet.ServletException

      • proprietaryEvaluate

        public static java.lang.Object proprietaryEvaluate​(java.lang.String expression,
                                                   java.lang.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 evaluated
        expectedType - The expected resulting type
        pageContext - The page context
        functionMap - 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