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Java EE 5 SDK 深圳电信培训中心.徐海蛟老师. |
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javax.servlet Interface FilterConfig
public interface FilterConfig
A filter configuration object used by a servlet container to pass information to a filter during initialization.
- 从以下版本开始:
- Servlet 2.3
- 另请参见:
Filter
| 方法摘要 | |
|---|---|
String |
getFilterName()
Returns the filter-name of this filter as defined in the deployment descriptor. |
String |
getInitParameter(String name)
Returns a String containing the value of the
named initialization parameter, or null if
the parameter does not exist. |
Enumeration |
getInitParameterNames()
Returns the names of the filter's initialization parameters as an Enumeration of String objects,
or an empty Enumeration if the filter has
no initialization parameters. |
ServletContext |
getServletContext()
Returns a reference to the ServletContext in which the caller
is executing. |
| 方法详细信息 |
|---|
getFilterName
String getFilterName()
- Returns the filter-name of this filter as defined in the deployment descriptor.
getServletContext
ServletContext getServletContext()
- Returns a reference to the
ServletContextin which the caller is executing. - 返回:
- a
ServletContextobject, used by the caller to interact with its servlet container - 另请参见:
ServletContext
getInitParameter
String getInitParameter(String name)
- Returns a
Stringcontaining the value of the named initialization parameter, ornullif the parameter does not exist. - 参数:
name- aStringspecifying the name of the initialization parameter- 返回:
- a
Stringcontaining the value of the initialization parameter
getInitParameterNames
Enumeration getInitParameterNames()
- Returns the names of the filter's initialization parameters
as an
EnumerationofStringobjects, or an emptyEnumerationif the filter has no initialization parameters. - 返回:
- an
EnumerationofStringobjects containing the names of the filter's initialization parameters
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Java EE 5 SDK 深圳电信培训中心.徐海蛟老师. |
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| 上一个类 下一个类 | 框架 无框架 | ||||||||
| 摘要: 嵌套 | 字段 | 构造器 | 方法 | 详细信息: 字段 | 构造器 | 方法 | ||||||||
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