JspRuntimeContext (Tomcat API Documentation)
Keywords: org.apache.jasper.compiler.JspRuntimeContext class

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## org.apache.jasper.compiler
Class JspRuntimeContext

    java.lang.Object
      org.apache.jasper.compiler.JspRuntimeContext

    public final class JspRuntimeContext

extends java.lang.Object

Class for tracking JSP compile time file dependencies when the &060;%@include file="..."%&062; directive is used. A background thread periodically checks the files a JSP page is dependent upon. If a dpendent file changes the JSP page which included it is recompiled. Only used if a web application context is a directory.

Version:
  $Revision: 505593 $
Author:
  Glenn L. Nielsen

Constructor Summary
`JspRuntimeContext(javax.servlet.ServletContext context, Options options)` Create a JspRuntimeContext for a web application context.

Method Summary
`void` | `addWrapper(java.lang.String jspUri, JspServletWrapper jsw)` Add a new JspServletWrapper.
`void` | `checkCompile()` Method used by background thread to check the JSP dependencies registered with this class for JSP's.
`void` | `destroy()` Process a "destory" event for this web application context.
`java.lang.String` | `getClassPath()` The classpath that is passed off to the Java compiler.
`java.security.CodeSource` | `getCodeSource()` Get the SecurityManager Policy CodeSource for this web applicaiton context.
`int` | `getJspCount()` Returns the number of JSPs for which JspServletWrappers exist, i.e., the number of JSPs that have been loaded into the webapp.
`int` | `getJspReloadCount()` Gets the current value of the JSP reload counter.
`java.net.URLClassLoader` | `getParentClassLoader()` Get the parent URLClassLoader.
`java.security.PermissionCollection` | `getPermissionCollection()` Get the SecurityManager PermissionCollection for this web application context.
`JspServletWrapper` | `getWrapper(java.lang.String jspUri)` Get an already existing JspServletWrapper.
`void` | `incrementJspReloadCount()` Increments the JSP reload counter.
`void` | `removeWrapper(java.lang.String jspUri)` Remove a JspServletWrapper.
`void` | `setJspReloadCount(int count)` Resets the JSP reload counter.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### JspRuntimeContext

    public JspRuntimeContext(javax.servlet.ServletContext context,
                             Options options)

  Create a JspRuntimeContext for a web application context. Loads in any previously generated dependencies from file.

  Parameters:
    `context` - ServletContext for web application

Method Detail

### addWrapper

    public void addWrapper(java.lang.String jspUri,
                           JspServletWrapper jsw)

  Add a new JspServletWrapper.

  Parameters:
    `jspUri` - JSP URI
    `jsw` - Servlet wrapper for JSP

### getWrapper

    public JspServletWrapper getWrapper(java.lang.String jspUri)

  Get an already existing JspServletWrapper.

  Parameters:
    `jspUri` - JSP URI
  Returns:
    JspServletWrapper for JSP

### removeWrapper

    public void removeWrapper(java.lang.String jspUri)

  Remove a JspServletWrapper.

  Parameters:
    `jspUri` - JSP URI of JspServletWrapper to remove

### getJspCount

    public int getJspCount()

  Returns the number of JSPs for which JspServletWrappers exist, i.e., the number of JSPs that have been loaded into the webapp.

  Returns:
    The number of JSPs that have been loaded into the webapp

### getCodeSource

    public java.security.CodeSource getCodeSource()

  Get the SecurityManager Policy CodeSource for this web applicaiton context.

  Returns:
    CodeSource for JSP

### getParentClassLoader

    public java.net.URLClassLoader getParentClassLoader()

  Get the parent URLClassLoader.

  Returns:
    URLClassLoader parent

### getPermissionCollection

    public java.security.PermissionCollection getPermissionCollection()

  Get the SecurityManager PermissionCollection for this web application context.

  Returns:
    PermissionCollection permissions

### destroy

    public void destroy()

  Process a "destory" event for this web application context.

### incrementJspReloadCount

    public void incrementJspReloadCount()

  Increments the JSP reload counter.

### setJspReloadCount

    public void setJspReloadCount(int count)

  Resets the JSP reload counter.

  Parameters:
    `count` - Value to which to reset the JSP reload counter

### getJspReloadCount

    public int getJspReloadCount()

  Gets the current value of the JSP reload counter.

  Returns:
    The current value of the JSP reload counter

### checkCompile

    public void checkCompile()

  Method used by background thread to check the JSP dependencies registered with this class for JSP's.

### getClassPath

    public java.lang.String getClassPath()

  The classpath that is passed off to the Java compiler.

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