Class ContextImpl
java.lang.Object
org.apache.tapestry5.http.internal.services.ContextImpl
- All Implemented Interfaces:
Context
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptiongetAttribute
(String name) Returns an attribute previously stored into the context with the given name.Returns the names of all attributes of the context, sorted alphabetically.getInitParameter
(String name) Returns an initial parameter value defined by servlet.getMimeType
(String file) Returns the MIME content type of the specified file, or null if no content type is known.getRealFile
(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).getResource
(String path) Returns a URL to a resource stored within the context.getResourcePaths
(String path) Looks for resources within the web application within the supplied path.
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Constructor Details
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ContextImpl
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Method Details
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getResource
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 interfaceContext
- 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.
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getRealFile
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 viaContext.getResource(String)
.- Specified by:
getRealFile
in interfaceContext
- Parameters:
path
- to the resource (with a leading slash)- Returns:
- the underlying File, or null if no such file
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getInitParameter
Description copied from interface:Context
Returns an initial parameter value defined by servlet.- Specified by:
getInitParameter
in interfaceContext
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getResourcePaths
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 interfaceContext
- Parameters:
path
- to search for (should start with a leading slash)- Returns:
- the matches, sorted alphabetically
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getAttribute
Description copied from interface:Context
Returns an attribute previously stored into the context with the given name.- Specified by:
getAttribute
in interfaceContext
- Parameters:
name
- used to retrieve the attribute- Returns:
- the attribute, or null if not found
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getAttributeNames
Description copied from interface:Context
Returns the names of all attributes of the context, sorted alphabetically.- Specified by:
getAttributeNames
in interfaceContext
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getMimeType
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 interfaceContext
- Parameters:
file
- name of file- Returns:
- the presumed MIME content type, or null if not known
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