Package org.apache.tapestry5.http.internal.services

Class ContextImpl

    • Constructor Summary

      Constructors 
      Constructor Description
      ContextImpl​(javax.servlet.ServletContext servletContext)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object getAttribute​(java.lang.String name)
      Returns an attribute previously stored into the context with the given name.
      java.util.List<java.lang.String> getAttributeNames()
      Returns the names of all attributes of the context, sorted alphabetically.
      java.lang.String getInitParameter​(java.lang.String name)
      Returns an initial parameter value defined by servlet.
      java.lang.String getMimeType​(java.lang.String file)
      Returns the MIME content type of the specified file, or null if no content type is known.
      java.io.File getRealFile​(java.lang.String path)
      Attempts to find the actual file, on the file system, that would be provided by the servlet container for the given path (which must start with a leading slash).
      java.net.URL getResource​(java.lang.String path)
      Returns a URL to a resource stored within the context.
      java.util.List<java.lang.String> getResourcePaths​(java.lang.String path)
      Looks for resources within the web application within the supplied path.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • ContextImpl

        public ContextImpl​(javax.servlet.ServletContext servletContext)

    • Method Detail

      • getResource

        public java.net.URL getResource​(java.lang.String path)
        Description copied from interface: Context
        Returns a URL to a resource stored within the context. The path should start with a leading slash.
        Specified by:
        getResource in interface Context
        Parameters:
        path - to the resource (with a leading slash)
        Returns:
        the URL for the path, or null if the path does not correspond to a file.

      • getRealFile

        public java.io.File getRealFile​(java.lang.String path)
        Description copied from interface: Context
        Attempts to find the actual file, on the file system, that would be provided by the servlet container for the given path (which must start with a leading slash). This may return null if no such file exists, or if the resource in question is packaged inside a WAR. If packaged inside a WAR, the contents may be accessed via Context.getResource(String).
        Specified by:
        getRealFile in interface Context
        Parameters:
        path - to the resource (with a leading slash)
        Returns:
        the underlying File, or null if no such file

      • getInitParameter

        public java.lang.String getInitParameter​(java.lang.String name)
        Description copied from interface: Context
        Returns an initial parameter value defined by servlet.
        Specified by:
        getInitParameter in interface Context

      • getResourcePaths

        public java.util.List<java.lang.String> getResourcePaths​(java.lang.String path)
        Description copied from interface: Context
        Looks for resources within the web application within the supplied path. The list will be recurively expanded, as necessary. The path must start with a leading slash, and usually ends with a slash as well.
        Specified by:
        getResourcePaths in interface Context
        Parameters:
        path - to search for (should start with a leading slash)
        Returns:
        the matches, sorted alphabetically

      • getAttribute

        public java.lang.Object getAttribute​(java.lang.String name)
        Description copied from interface: Context
        Returns an attribute previously stored into the context with the given name.
        Specified by:
        getAttribute in interface Context
        Parameters:
        name - used to retrieve the attribute
        Returns:
        the attribute, or null if not found

      • getAttributeNames

        public java.util.List<java.lang.String> getAttributeNames()
        Description copied from interface: Context
        Returns the names of all attributes of the context, sorted alphabetically.
        Specified by:
        getAttributeNames in interface Context

      • getMimeType

        public java.lang.String getMimeType​(java.lang.String file)
        Description copied from interface: Context
        Returns the MIME content type of the specified file, or null if no content type is known. MIME types are built-in to servlet containers and may be futher specified via the web application deployment descriptor.
        Specified by:
        getMimeType in interface Context
        Parameters:
        file - name of file
        Returns:
        the presumed MIME content type, or null if not known