Java Doc for ApplicationContext.java in  » Sevlet-Container » tomcat-catalina » org » apache » catalina » core » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Sevlet Container » tomcat catalina » org.apache.catalina.core   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.catalina.core.ApplicationContext ApplicationContext public class ApplicationContext implements ServletContext(Code) Standard implementation of ServletContext that represents a web application's execution environment. An instance of this class is associated with each instance of StandardContext. author:    Craig R. McClanahan author:    Remy Maucherat version:    $Revision: 1.25 $ $Date: 2004/04/01 20:09:21 $ Constructor Summary public   ApplicationContext(String basePath, StandardContext context)      Construct a new instance of this class, associated with the specified Context instance. Method Summary  void clearAttributes()      Clear all application-created attributes. public  Object getAttribute(String name)      Return the value of the specified context attribute, if any; otherwise return null. public  Enumeration getAttributeNames()      Return an enumeration of the names of the context attributes associated with this context. public  ServletContext getContext(String uri)      Return a ServletContext object that corresponds to a specified URI on the server. protected  ServletContext getFacade()      Return the facade associated with this ApplicationContext. public  String getInitParameter(String name)      Return the value of the specified initialization parameter, or null if this parameter does not exist. public  Enumeration getInitParameterNames()      Return the names of the context's initialization parameters, or an empty enumeration if the context has no initialization parameters. public  int getMajorVersion()      Return the major version of the Java Servlet API that we implement. public  String getMimeType(String file)      Return the MIME type of the specified file, or null if the MIME type cannot be determined. public  int getMinorVersion()      Return the minor version of the Java Servlet API that we implement. public  RequestDispatcher getNamedDispatcher(String name)      Return a RequestDispatcher object that acts as a wrapper for the named servlet. public  String getRealPath(String path)      Return the real path for a given virtual path, if possible; otherwise return null. public  RequestDispatcher getRequestDispatcher(String path)      Return a RequestDispatcher instance that acts as a wrapper for the resource at the given path. public  URL getResource(String path)      Return the URL to the resource that is mapped to a specified path. public  InputStream getResourceAsStream(String path)      Return the requested resource as an InputStream. public  Set getResourcePaths(String path)      Return a Set containing the resource paths of resources member of the specified collection. public  DirContext getResources()      Return the resources object that is mapped to a specified path. public  String getServerInfo()      Return the name and version of the servlet container. public  Servlet getServlet(String name)      public  String getServletContextName()      Return the display name of this web application. public  Enumeration getServletNames()      public  Enumeration getServlets()      public  void log(String message)      Writes the specified message to a servlet log file. public  void log(Exception exception, String message)      Writes the specified exception and message to a servlet log file. public  void log(String message, Throwable throwable)      Writes the specified message and exception to a servlet log file. public  void removeAttribute(String name)      Remove the context attribute with the specified name, if any. public  void setAttribute(String name, Object value)      Bind the specified value with the specified context attribute name, replacing any existing value for that name.  void setAttributeReadOnly(String name)      Set an attribute as read only. Constructor Detail ApplicationContext public ApplicationContext(String basePath, StandardContext context)(Code) Construct a new instance of this class, associated with the specified Context instance. Parameters:   context - The associated Context instance Method Detail clearAttributes void clearAttributes()(Code) Clear all application-created attributes. getAttribute public Object getAttribute(String name)(Code) Return the value of the specified context attribute, if any; otherwise return null. Parameters:   name - Name of the context attribute to return getAttributeNames public Enumeration getAttributeNames()(Code) Return an enumeration of the names of the context attributes associated with this context. getContext public ServletContext getContext(String uri)(Code) Return a ServletContext object that corresponds to a specified URI on the server. This method allows servlets to gain access to the context for various parts of the server, and as needed obtain RequestDispatcher objects or resources from the context. The given path must be absolute (beginning with a "/"), and is interpreted based on our virtual host's document root. Parameters:   uri - Absolute URI of a resource on the server getFacade protected ServletContext getFacade()(Code) Return the facade associated with this ApplicationContext. getInitParameter public String getInitParameter(String name)(Code) Return the value of the specified initialization parameter, or null if this parameter does not exist. Parameters:   name - Name of the initialization parameter to retrieve getInitParameterNames public Enumeration getInitParameterNames()(Code) Return the names of the context's initialization parameters, or an empty enumeration if the context has no initialization parameters. getMajorVersion public int getMajorVersion()(Code) Return the major version of the Java Servlet API that we implement. getMimeType public String getMimeType(String file)(Code) Return the MIME type of the specified file, or null if the MIME type cannot be determined. Parameters:   file - Filename for which to identify a MIME type getMinorVersion public int getMinorVersion()(Code) Return the minor version of the Java Servlet API that we implement. getNamedDispatcher public RequestDispatcher getNamedDispatcher(String name)(Code) Return a RequestDispatcher object that acts as a wrapper for the named servlet. Parameters:   name - Name of the servlet for which a dispatcher is requested getRealPath public String getRealPath(String path)(Code) Return the real path for a given virtual path, if possible; otherwise return null. Parameters:   path - The path to the desired resource getRequestDispatcher public RequestDispatcher getRequestDispatcher(String path)(Code) Return a RequestDispatcher instance that acts as a wrapper for the resource at the given path. The path must begin with a "/" and is interpreted as relative to the current context root. Parameters:   path - The path to the desired resource. getResource public URL getResource(String path) throws MalformedURLException(Code) Return the URL to the resource that is mapped to a specified path. The path must begin with a "/" and is interpreted as relative to the current context root. Parameters:   path - The path to the desired resource exception:   MalformedURLException - if the path is not givenin the correct form getResourceAsStream public InputStream getResourceAsStream(String path)(Code) Return the requested resource as an InputStream. The path must be specified according to the rules described under getResource. If no such resource can be identified, return null. Parameters:   path - The path to the desired resource. getResourcePaths public Set getResourcePaths(String path)(Code) Return a Set containing the resource paths of resources member of the specified collection. Each path will be a String starting with a "/" character. The returned set is immutable. Parameters:   path - Collection path getResources public DirContext getResources()(Code) Return the resources object that is mapped to a specified path. The path must begin with a "/" and is interpreted as relative to the current context root. getServerInfo public String getServerInfo()(Code) Return the name and version of the servlet container. getServlet public Servlet getServlet(String name)(Code) getServletContextName public String getServletContextName()(Code) Return the display name of this web application. getServletNames public Enumeration getServletNames()(Code) getServlets public Enumeration getServlets()(Code) log public void log(String message)(Code) Writes the specified message to a servlet log file. Parameters:   message - Message to be written log public void log(Exception exception, String message)(Code) Writes the specified exception and message to a servlet log file. Parameters:   exception - Exception to be reported Parameters:   message - Message to be written log public void log(String message, Throwable throwable)(Code) Writes the specified message and exception to a servlet log file. Parameters:   message - Message to be written Parameters:   throwable - Exception to be reported removeAttribute public void removeAttribute(String name)(Code) Remove the context attribute with the specified name, if any. Parameters:   name - Name of the context attribute to be removed setAttribute public void setAttribute(String name, Object value)(Code) Bind the specified value with the specified context attribute name, replacing any existing value for that name. Parameters:   name - Attribute name to be bound Parameters:   value - New attribute value to be bound setAttributeReadOnly void setAttributeReadOnly(String name)(Code) Set an attribute as read only. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)