| Methods Summary |
|---|
| private void | _initialize(javax.servlet.Servlet servlet, javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, java.lang.String errorPageURL, boolean needsSession, int bufferSize, boolean autoFlush)
// initialize state
this.servlet = servlet;
this.config = servlet.getServletConfig();
this.context = config.getServletContext();
this.needsSession = needsSession;
this.errorPageURL = errorPageURL;
this.bufferSize = bufferSize;
this.request = request;
this.response = response;
// Setup session (if required)
if (request instanceof HttpServletRequest && needsSession)
this.session = ((HttpServletRequest)request).getSession();
if (needsSession && session == null)
throw new IllegalStateException
("Page needs a session and none is available");
// initialize the initial out ...
depth = -1;
if (this.baseOut == null) {
this.baseOut = new JspWriterImpl(response, bufferSize, autoFlush);
} else {
this.baseOut.init(response, bufferSize, autoFlush);
}
this.out = baseOut;
this.isNametableInitialized = false;
setAttribute(Constants.FIRST_REQUEST_SEEN, "true", APPLICATION_SCOPE);
|
| private java.lang.Object | doFindAttribute(java.lang.String name)
if (!isNametableInitialized) {
initializePageScopeNameTable();
}
Object o = attributes.get(name);
if (o != null)
return o;
o = request.getAttribute(name);
if (o != null)
return o;
if (session != null) {
try {
o = session.getAttribute(name);
} catch (IllegalStateException ex) {
// Session has been invalidated.
// Ignore and fall through to application scope.
}
if (o != null) return o;
}
return context.getAttribute(name);
|
| private java.lang.Object | doGetAttribute(java.lang.String name)
if (!isNametableInitialized) {
initializePageScopeNameTable();
}
return attributes.get(name);
|
| private java.lang.Object | doGetAttribute(java.lang.String name, int scope)
switch (scope) {
case PAGE_SCOPE:
if (!isNametableInitialized) {
initializePageScopeNameTable();
}
return attributes.get(name);
case REQUEST_SCOPE:
return request.getAttribute(name);
case SESSION_SCOPE:
if (session == null) {
throw new IllegalStateException(
Localizer.getMessage("jsp.error.page.noSession"));
}
return session.getAttribute(name);
case APPLICATION_SCOPE:
return context.getAttribute(name);
default:
throw new IllegalArgumentException("Invalid scope");
}
|
| private java.util.Enumeration | doGetAttributeNamesInScope(int scope)
switch (scope) {
case PAGE_SCOPE:
if (!isNametableInitialized) {
initializePageScopeNameTable();
}
return Collections.enumeration(attributes.keySet());
case REQUEST_SCOPE:
return request.getAttributeNames();
case SESSION_SCOPE:
if (session == null) {
throw new IllegalStateException(
Localizer.getMessage("jsp.error.page.noSession"));
}
return session.getAttributeNames();
case APPLICATION_SCOPE:
return context.getAttributeNames();
default:
throw new IllegalArgumentException("Invalid scope");
}
|
| private int | doGetAttributeScope(java.lang.String name)
if (!isNametableInitialized) {
initializePageScopeNameTable();
}
if (attributes.get(name) != null)
return PAGE_SCOPE;
if (request.getAttribute(name) != null)
return REQUEST_SCOPE;
if (session != null) {
try {
if (session.getAttribute(name) != null)
return SESSION_SCOPE;
} catch (IllegalStateException ex) {
// Session has been invalidated.
// Ignore and fall through to application scope.
}
}
if (context.getAttribute(name) != null)
return APPLICATION_SCOPE;
return 0;
|
| private void | doHandlePageException(java.lang.Throwable t)
if (errorPageURL != null && !errorPageURL.equals("")) {
/*
* Set request attributes.
* Do not set the javax.servlet.error.exception attribute here
* (instead, set in the generated servlet code for the error page)
* in order to prevent the ErrorReportValve, which is invoked as
* part of forwarding the request to the error page, from
* throwing it if the response has not been committed (the response
* will have been committed if the error page is a JSP page).
*/
request.setAttribute("javax.servlet.jsp.jspException", t);
request.setAttribute("javax.servlet.error.status_code",
Integer.valueOf(HttpServletResponse.SC_INTERNAL_SERVER_ERROR));
request.setAttribute("javax.servlet.error.request_uri",
((HttpServletRequest) request).getRequestURI());
request.setAttribute("javax.servlet.error.servlet_name",
config.getServletName());
try {
forward(errorPageURL);
} catch (IllegalStateException ise) {
include(errorPageURL);
}
// The error page could be inside an include.
Object newException = request.getAttribute("javax.servlet.error.exception");
// t==null means the attribute was not set.
if( (newException!= null) && (newException==t) ) {
request.removeAttribute("javax.servlet.error.exception");
}
// now clear the error code - to prevent double handling.
request.removeAttribute("javax.servlet.error.status_code");
request.removeAttribute("javax.servlet.error.request_uri");
request.removeAttribute("javax.servlet.error.status_code");
request.removeAttribute("javax.servlet.jsp.jspException");
} else {
// Otherwise throw the exception wrapped inside a ServletException.
// Set the exception as the root cause in the ServletException
// to get a stack trace for the real problem
if (t instanceof IOException) throw (IOException)t;
if (t instanceof ServletException) throw (ServletException)t;
if (t instanceof RuntimeException) throw (RuntimeException)t;
Throwable rootCause = null;
if (t instanceof JspException) {
rootCause = ((JspException) t).getRootCause();
} else if (t instanceof ELException) {
rootCause = t.getCause();
}
if (rootCause != null) {
throw new ServletException(t.getMessage(), rootCause);
}
throw new ServletException(t);
}
|
| private void | doRemoveAttribute(java.lang.String name, int scope)
switch (scope) {
case PAGE_SCOPE:
if (!isNametableInitialized) {
initializePageScopeNameTable();
}
attributes.remove(name);
break;
case REQUEST_SCOPE:
request.removeAttribute(name);
break;
case SESSION_SCOPE:
if (session == null) {
throw new IllegalStateException(
Localizer.getMessage("jsp.error.page.noSession"));
}
session.removeAttribute(name);
break;
case APPLICATION_SCOPE:
context.removeAttribute(name);
break;
default:
throw new IllegalArgumentException("Invalid scope");
}
|
| private void | doRemoveAttribute(java.lang.String name)
removeAttribute(name, PAGE_SCOPE);
removeAttribute(name, REQUEST_SCOPE);
if( session != null ) {
try {
removeAttribute(name, SESSION_SCOPE);
} catch (IllegalStateException ex) {
// Session has been invalidated.
// Ignore and fall through to application scope.
}
}
removeAttribute(name, APPLICATION_SCOPE);
|
| private void | doSetAttribute(java.lang.String name, java.lang.Object attribute)
if (attribute != null) {
if (!isNametableInitialized) {
initializePageScopeNameTable();
}
attributes.put(name, attribute);
} else {
removeAttribute(name, PAGE_SCOPE);
}
|
| private void | doSetAttribute(java.lang.String name, java.lang.Object o, int scope)
if (o != null) {
switch (scope) {
case PAGE_SCOPE:
if (!isNametableInitialized) {
initializePageScopeNameTable();
}
attributes.put(name, o);
break;
case REQUEST_SCOPE:
request.setAttribute(name, o);
break;
case SESSION_SCOPE:
if (session == null) {
throw new IllegalStateException(
Localizer.getMessage("jsp.error.page.noSession"));
}
session.setAttribute(name, o);
break;
case APPLICATION_SCOPE:
context.setAttribute(name, o);
break;
default:
throw new IllegalArgumentException("Invalid scope");
}
} else {
removeAttribute(name, scope);
}
|
| public static java.lang.Object | evaluateExpression(java.lang.String expression, java.lang.Class expectedType, javax.servlet.jsp.PageContext pageContext, ProtectedFunctionMapper functionMap)Evaluates an EL expression
Object retValue;
if (SecurityUtil.isPackageProtectionEnabled()){
try {
retValue = AccessController.doPrivileged(
new PrivilegedExceptionAction(){
public Object run() throws Exception{
ELContextImpl elContext =
(ELContextImpl) pageContext.getELContext();
elContext.setFunctionMapper(functionMap);
ExpressionFactory expFactory = getExpressionFactory(pageContext);
ValueExpression expr =
expFactory.createValueExpression(
elContext,
expression,
expectedType);
return expr.getValue(elContext);
}
});
} catch (PrivilegedActionException ex) {
Exception realEx = ex.getException();
if (realEx instanceof ELException) {
throw (ELException) realEx;
} else {
throw new ELException(realEx);
}
}
} else {
ELContextImpl elContext = (ELContextImpl)pageContext.getELContext();
elContext.setFunctionMapper(functionMap);
ExpressionFactory expFactory = getExpressionFactory(pageContext);
ValueExpression expr = expFactory.createValueExpression(
elContext,
expression,
expectedType);
retValue = expr.getValue(elContext);
}
return retValue;
|
| public java.lang.Object | findAttribute(java.lang.String name)
if (SecurityUtil.isPackageProtectionEnabled()){
return AccessController.doPrivileged(new PrivilegedAction(){
public Object run(){
if (name == null) {
throw new NullPointerException(
Localizer.getMessage("jsp.error.attribute.null_name"));
}
return doFindAttribute(name);
}
});
} else {
if (name == null) {
throw new NullPointerException(
Localizer.getMessage("jsp.error.attribute.null_name"));
}
return doFindAttribute(name);
}
|
| public void | forward(java.lang.String relativeUrlPath)
// JSP.4.5 If the buffer was flushed, throw IllegalStateException
try {
out.clear();
} catch (IOException ex) {
IllegalStateException ise =
new IllegalStateException(Localizer.getMessage(
"jsp.error.attempt_to_clear_flushed_buffer"));
ise.initCause(ex);
throw ise;
}
// Make sure that the response object is not the wrapper for include
while (response instanceof ServletResponseWrapperInclude) {
response = ((ServletResponseWrapperInclude)response).getResponse();
}
final String path = getAbsolutePathRelativeToContext(relativeUrlPath);
String includeUri
= (String) request.getAttribute(Constants.INC_SERVLET_PATH);
final ServletResponse fresponse = response;
final ServletRequest frequest = request;
if (includeUri != null)
request.removeAttribute(Constants.INC_SERVLET_PATH);
try {
context.getRequestDispatcher(path).forward(request, response);
} finally {
if (includeUri != null)
request.setAttribute(Constants.INC_SERVLET_PATH, includeUri);
request.setAttribute(Constants.FORWARD_SEEN, "true");
}
|
| private final java.lang.String | getAbsolutePathRelativeToContext(java.lang.String relativeUrlPath)
String path = relativeUrlPath;
if (!path.startsWith("/")) {
String uri = (String)
request.getAttribute("javax.servlet.include.servlet_path");
if (uri == null)
uri = ((HttpServletRequest) request).getServletPath();
String baseURI = uri.substring(0, uri.lastIndexOf('/"));
path = baseURI+'/"+path;
}
return path;
|
| public java.lang.Object | getAttribute(java.lang.String name)
if (name == null) {
throw new NullPointerException(
Localizer.getMessage("jsp.error.attribute.null_name"));
}
if (SecurityUtil.isPackageProtectionEnabled()){
return AccessController.doPrivileged(new PrivilegedAction(){
public Object run(){
return doGetAttribute(name);
}
});
} else {
return doGetAttribute(name);
}
|
| public java.lang.Object | getAttribute(java.lang.String name, int scope)
if (name == null) {
throw new NullPointerException(
Localizer.getMessage("jsp.error.attribute.null_name"));
}
if (SecurityUtil.isPackageProtectionEnabled()){
return AccessController.doPrivileged(new PrivilegedAction(){
public Object run(){
return doGetAttribute(name, scope);
}
});
} else {
return doGetAttribute(name, scope);
}
|
| public java.util.Enumeration | getAttributeNamesInScope(int scope)
if (SecurityUtil.isPackageProtectionEnabled()){
return (Enumeration<String>)
AccessController.doPrivileged(new PrivilegedAction(){
public Object run(){
return doGetAttributeNamesInScope(scope);
}
});
} else {
return doGetAttributeNamesInScope(scope);
}
|
| public int | getAttributesScope(java.lang.String name)
if (name == null) {
throw new NullPointerException(
Localizer.getMessage("jsp.error.attribute.null_name"));
}
if (SecurityUtil.isPackageProtectionEnabled()){
return ((Integer)AccessController.doPrivileged(new PrivilegedAction(){
public Object run(){
return Integer.valueOf(doGetAttributeScope(name));
}
})).intValue();
} else {
return doGetAttributeScope(name);
}
|
| public javax.el.ELContext | getELContext()
if (elContext == null) {
elContext = getJspApplicationContext().createELContext(
getELResolver());
elContext.putContext(javax.servlet.jsp.JspContext.class, this);
((ELContextImpl)elContext).setVariableMapper(
new VariableMapperImpl());
}
return elContext;
|
| private javax.el.ELResolver | getELResolver()
if (elResolver == null) {
// Create a CompositeELResolver
CompositeELResolver celResolver = new CompositeELResolver();
celResolver.add(new ImplicitObjectELResolver());
// Add ELResolvers registered in JspApplicationContext
JspApplicationContextImpl jaContext = getJspApplicationContext();
Iterator<ELResolver> it = jaContext.getELResolvers();
while (it.hasNext()) {
celResolver.add(it.next());
}
celResolver.add(new MapELResolver());
celResolver.add(new ResourceBundleELResolver());
celResolver.add(new ListELResolver());
celResolver.add(new ArrayELResolver());
celResolver.add(new BeanELResolver());
celResolver.add(new ScopedAttributeELResolver());
elResolver = celResolver;
}
return elResolver;
|
| 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).
Throwable t = JspRuntimeLibrary.getThrowable(request);
// Only wrap if needed
if((t != null) && (! (t instanceof Exception))) {
t = new JspException(t);
}
return (Exception) t;
|
| 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.
return new ExpressionEvaluatorImpl(this);
|
| private static javax.el.ExpressionFactory | getExpressionFactory(javax.servlet.jsp.PageContext pageContext)
PageContextImpl pc =
(PageContextImpl) JspContextWrapper.getRootPageContext(pageContext);
return pc.getJspApplicationContext().getExpressionFactory();
|
| JspApplicationContextImpl | getJspApplicationContext()
if (jspApplicationContext == null) {
jspApplicationContext =
JspApplicationContextImpl.findJspApplicationContext(context);
}
return jspApplicationContext;
|
| public static javax.el.MethodExpression | getMethodExpression(java.lang.String expression, javax.servlet.jsp.PageContext pageContext, javax.el.FunctionMapper functionMap, java.lang.Class expectedType, java.lang.Class[] paramTypes)
ELContextImpl elctxt = (ELContextImpl)pageContext.getELContext();
elctxt.setFunctionMapper(functionMap);
ExpressionFactory expFactory = getExpressionFactory(pageContext);
return expFactory.createMethodExpression(
elctxt,
expression,
expectedType,
paramTypes);
|
| public javax.servlet.jsp.JspWriter | getOut()
return out;
|
| public java.lang.Object | getPage() return servlet;
|
| public javax.servlet.ServletRequest | getRequest() return request;
|
| public javax.servlet.ServletResponse | getResponse() return response;
|
| public javax.servlet.Servlet | getServlet() return servlet;
|
| public javax.servlet.ServletConfig | getServletConfig() return config;
|
| public javax.servlet.ServletContext | getServletContext()
return config.getServletContext();
|
| public javax.servlet.http.HttpSession | getSession() return session;
|
| public static javax.el.ValueExpression | getValueExpression(java.lang.String expression, javax.servlet.jsp.PageContext pageContext, java.lang.Class expectedType, javax.el.FunctionMapper functionMap)
// ELResolvers are not used in createValueExpression
ELContextImpl elctxt = (ELContextImpl)pageContext.getELContext();
elctxt.setFunctionMapper(functionMap);
ExpressionFactory expFactory = getExpressionFactory(pageContext);
return expFactory.createValueExpression(elctxt,
expression,
expectedType);
|
| public javax.servlet.jsp.el.VariableResolver | getVariableResolver()
return new VariableResolverImpl(this);
|
| public void | handlePageException(java.lang.Exception ex)
// Should never be called since handleException() called with a
// Throwable in the generated servlet.
handlePageException((Throwable) ex);
|
| public void | handlePageException(java.lang.Throwable t)
if (t == null)
throw new NullPointerException("null Throwable");
if (SecurityUtil.isPackageProtectionEnabled()){
try{
AccessController.doPrivileged(new PrivilegedExceptionAction(){
public Object run() throws Exception{
doHandlePageException(t);
return null;
}
});
} catch (PrivilegedActionException e){
Exception ex = e.getException();
if (ex instanceof IOException){
throw (IOException)ex;
} else {
throw (ServletException)ex;
}
}
} else {
doHandlePageException(t);
}
|
| public void | include(java.lang.String relativeUrlPath)
JspRuntimeLibrary.include(request, response, relativeUrlPath, out,
true);
|
| public void | include(java.lang.String relativeUrlPath, boolean flush)
JspRuntimeLibrary.include(request, response, relativeUrlPath, out,
flush);
|
| 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)
_initialize(servlet, request, response, errorPageURL, needsSession,
bufferSize, autoFlush);
|
| private void | initializePageScopeNameTable()
isNametableInitialized = true;
// register names/values as per spec
setAttribute(OUT, this.out);
setAttribute(REQUEST, request);
setAttribute(RESPONSE, response);
if (session != null)
setAttribute(SESSION, session);
setAttribute(PAGE, servlet);
setAttribute(CONFIG, config);
setAttribute(PAGECONTEXT, this);
setAttribute(APPLICATION, context);
|
| public javax.servlet.jsp.JspWriter | popBody()
depth--;
if (depth >= 0) {
out = outs[depth];
} else {
out = baseOut;
}
// Update the value of the "out" attribute in the page scope
// attribute namespace of this PageContext
setAttribute(OUT, out);
return out;
|
| public javax.servlet.jsp.tagext.BodyContent | pushBody()
return (BodyContent) pushBody(null);
|
| public javax.servlet.jsp.JspWriter | pushBody(java.io.Writer writer)
depth++;
if (depth >= outs.length) {
BodyContentImpl[] newOuts = new BodyContentImpl[depth + 1];
for (int i=0; i<outs.length; i++) {
newOuts[i] = outs[i];
}
newOuts[depth] = new BodyContentImpl(out);
outs = newOuts;
}
outs[depth].setWriter(writer);
out = outs[depth];
// Update the value of the "out" attribute in the page scope
// attribute namespace of this PageContext
setAttribute(OUT, out);
return outs[depth];
|
| public void | release()
out = baseOut;
try {
// Do not flush the buffer even if we're not included (i.e.
// we are the main page. The servlet will flush it and close
// the stream.
((JspWriterImpl)out).flushBuffer();
} catch (IOException ex) {
log.warn("Internal error flushing the buffer in release()");
}
servlet = null;
config = null;
context = null;
elContext = null;
elResolver = null;
jspApplicationContext = null;
needsSession = false;
errorPageURL = null;
bufferSize = JspWriter.DEFAULT_BUFFER;
request = null;
response = null;
depth = -1;
baseOut.recycle();
session = null;
attributes.clear();
|
| public void | removeAttribute(java.lang.String name, int scope)
if (name == null) {
throw new NullPointerException(
Localizer.getMessage("jsp.error.attribute.null_name"));
}
if (SecurityUtil.isPackageProtectionEnabled()){
AccessController.doPrivileged(new PrivilegedAction(){
public Object run(){
doRemoveAttribute(name, scope);
return null;
}
});
} else {
doRemoveAttribute(name, scope);
}
|
| public void | removeAttribute(java.lang.String name)
if (name == null) {
throw new NullPointerException(
Localizer.getMessage("jsp.error.attribute.null_name"));
}
if (SecurityUtil.isPackageProtectionEnabled()){
AccessController.doPrivileged(new PrivilegedAction(){
public Object run(){
doRemoveAttribute(name);
return null;
}
});
} else {
doRemoveAttribute(name);
}
|
| public void | setAttribute(java.lang.String name, java.lang.Object attribute)
if (name == null) {
throw new NullPointerException(
Localizer.getMessage("jsp.error.attribute.null_name"));
}
if (SecurityUtil.isPackageProtectionEnabled()){
AccessController.doPrivileged(new PrivilegedAction(){
public Object run(){
doSetAttribute(name, attribute);
return null;
}
});
} else {
doSetAttribute(name, attribute);
}
|
| public void | setAttribute(java.lang.String name, java.lang.Object o, int scope)
if (name == null) {
throw new NullPointerException(
Localizer.getMessage("jsp.error.attribute.null_name"));
}
if (SecurityUtil.isPackageProtectionEnabled()){
AccessController.doPrivileged(new PrivilegedAction(){
public Object run(){
doSetAttribute(name, o, scope);
return null;
}
});
} else {
doSetAttribute(name, o, scope);
}
|
| public static void | setMethodVariable(javax.servlet.jsp.PageContext pageContext, java.lang.String variable, javax.el.MethodExpression expression)
ExpressionFactory expFactory = getExpressionFactory(pageContext);
ValueExpression exp =
expFactory.createValueExpression(expression, Object.class);
setValueVariable(pageContext, variable, exp);
|
| public static void | setValueVariable(javax.servlet.jsp.PageContext pageContext, java.lang.String variable, javax.el.ValueExpression expression)
ELContextImpl elctxt = (ELContextImpl)pageContext.getELContext();
elctxt.getVariableMapper().setVariable(variable, expression);
|
