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org.apache.jasper.runtime
Class JspContextWrapper

java.lang.Object
  extended by javax.servlet.jsp.JspContext
      extended by javax.servlet.jsp.PageContext
          extended by org.apache.jasper.runtime.JspContextWrapper

public class JspContextWrapper
extends PageContext

Implementation of a JSP Context Wrapper. The JSP Context Wrapper is a JspContext created and maintained by a tag handler implementation. It wraps the Invoking JSP Context, that is, the JspContext instance passed to the tag handler by the invoking page via setJspContext().

Author:
Kin-man Chung, Jan Luehe

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
 
Constructor Summary
JspContextWrapper(JspContext jspContext, java.util.ArrayList nestedVars, java.util.ArrayList atBeginVars, java.util.ArrayList atEndVars, java.util.Map aliases)
           
 
Method Summary
 java.lang.Object findAttribute(java.lang.String name)
           
 void forward(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()
           
 ExpressionEvaluator getExpressionEvaluator()
           
 JspWriter getOut()
           
 java.lang.Object getPage()
           
 javax.servlet.ServletRequest getRequest()
           
 javax.servlet.ServletResponse getResponse()
           
static PageContext getRootPageContext(PageContext pc)
           
 javax.servlet.ServletConfig getServletConfig()
           
 javax.servlet.ServletContext getServletContext()
           
 javax.servlet.http.HttpSession getSession()
           
 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)
           
 JspWriter popBody()
           
 BodyContent pushBody()
           
 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 value)
           
 void setAttribute(java.lang.String name, java.lang.Object value, int scope)
           
 void syncBeforeInvoke()
          Synchronize variables before fragment invokation
 void syncBeginTagFile()
          Synchronize variables at begin of tag file
 void syncEndTagFile()
          Synchronize variables at end of tag file
 
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
 

Constructor Detail

JspContextWrapper

public JspContextWrapper(JspContext jspContext,
                         java.util.ArrayList nestedVars,
                         java.util.ArrayList atBeginVars,
                         java.util.ArrayList atEndVars,
                         java.util.Map aliases)
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,
                       java.lang.IllegalStateException,
                       java.lang.IllegalArgumentException
Specified by:
initialize in class PageContext
Throws:
java.io.IOException
java.lang.IllegalStateException
java.lang.IllegalArgumentException

getAttribute

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

getAttribute

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

setAttribute

public void setAttribute(java.lang.String name,
                         java.lang.Object value)
Specified by:
setAttribute in class JspContext

setAttribute

public void setAttribute(java.lang.String name,
                         java.lang.Object value,
                         int scope)
Specified by:
setAttribute in class JspContext

findAttribute

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

removeAttribute

public void removeAttribute(java.lang.String name)
Specified by:
removeAttribute in class JspContext

removeAttribute

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

getAttributesScope

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

getAttributeNamesInScope

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

release

public void release()
Specified by:
release in class PageContext

getOut

public JspWriter getOut()
Specified by:
getOut in class JspContext

getSession

public javax.servlet.http.HttpSession getSession()
Specified by:
getSession in class PageContext

getPage

public java.lang.Object getPage()
Specified by:
getPage in class PageContext

getRequest

public javax.servlet.ServletRequest getRequest()
Specified by:
getRequest in class PageContext

getResponse

public javax.servlet.ServletResponse getResponse()
Specified by:
getResponse in class PageContext

getException

public java.lang.Exception getException()
Specified by:
getException in class PageContext

getServletConfig

public javax.servlet.ServletConfig getServletConfig()
Specified by:
getServletConfig in class PageContext

getServletContext

public javax.servlet.ServletContext getServletContext()
Specified by:
getServletContext in class PageContext

getRootPageContext

public static PageContext getRootPageContext(PageContext pc)

getELContext

public javax.el.ELContext getELContext()
Specified by:
getELContext in class JspContext

forward

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

include

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

getVariableResolver

public VariableResolver getVariableResolver()
Specified by:
getVariableResolver in class JspContext

pushBody

public BodyContent pushBody()
Overrides:
pushBody in class PageContext

pushBody

public JspWriter pushBody(java.io.Writer writer)
Overrides:
pushBody in class JspContext

popBody

public JspWriter popBody()
Overrides:
popBody in class JspContext

getExpressionEvaluator

public ExpressionEvaluator getExpressionEvaluator()
Specified by:
getExpressionEvaluator in class JspContext

handlePageException

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

syncBeginTagFile

public void syncBeginTagFile()
Synchronize variables at begin of tag file

syncBeforeInvoke

public void syncBeforeInvoke()
Synchronize variables before fragment invokation

syncEndTagFile

public void syncEndTagFile()
Synchronize variables at end of tag file

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