org.eclipse.jetty.servlets
类 PutFilter

java.lang.Object
  org.eclipse.jetty.servlets.PutFilter

所有已实现的接口：

Filter

public class PutFilter
extends Object
implements Filter

PutFilter A Filter that handles PUT, DELETE and MOVE methods. Files are hidden during PUT operations, so that 404's result. The following init parameters pay be used:

• baseURI - The file URI of the document root for put content.
• delAllowed - boolean, if true DELETE and MOVE methods are supported.
• putAtomic - boolean, if true PUT files are written to a temp location and moved into place.

字段摘要

static String	__DELETE
static String	__MOVE
static String	__OPTIONS
static String	__PUT

构造方法摘要

PutFilter()

方法摘要

void	destroy() Called by the web container to indicate to a filter that it is being taken out of service.
void	doFilter(ServletRequest req, ServletResponse res, FilterChain chain) The doFilter method of the Filter is called by the container each time a request/response pair is passed through the chain due to a client request for a resource at the end of the chain.
void	handleDelete(HttpServletRequest request, HttpServletResponse response, String pathInContext, File file)
void	handleMove(HttpServletRequest request, HttpServletResponse response, String pathInContext, File file)
void	handleOptions(FilterChain chain, HttpServletRequest request, HttpServletResponse response)
void	handlePut(HttpServletRequest request, HttpServletResponse response, String pathInContext, File file)
void	init(FilterConfig config) Called by the web container to indicate to a filter that it is being placed into service.
protected boolean	passConditionalHeaders(HttpServletRequest request, HttpServletResponse response, File file)

从类 java.lang.Object 继承的方法

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

字段详细信息

__PUT

public static final String __PUT

另请参见：

常量字段值

__DELETE

public static final String __DELETE

另请参见：

常量字段值

__MOVE

public static final String __MOVE

另请参见：

常量字段值

__OPTIONS

public static final String __OPTIONS

另请参见：

常量字段值

构造方法详细信息

PutFilter

public PutFilter()

方法详细信息

init

public void init(FilterConfig config)
          throws ServletException

从接口 Filter 复制的描述

Called by the web container to indicate to a filter that it is being placed into service.

The servlet container calls the init method exactly once after instantiating the filter. The init method must complete successfully before the filter is asked to do any filtering work.

The web container cannot place the filter into service if the init method either

1. Throws a ServletException
2. Does not return within a time period defined by the web container

指定者：

接口 Filter 中的 init

抛出：

ServletException

doFilter

public void doFilter(ServletRequest req,
                     ServletResponse res,
                     FilterChain chain)
              throws IOException,
                     ServletException

从接口 Filter 复制的描述

The doFilter method of the Filter is called by the container each time a request/response pair is passed through the chain due to a client request for a resource at the end of the chain. The FilterChain passed in to this method allows the Filter to pass on the request and response to the next entity in the chain.

A typical implementation of this method would follow the following pattern:

1. Examine the request
2. Optionally wrap the request object with a custom implementation to filter content or headers for input filtering
3. Optionally wrap the response object with a custom implementation to filter content or headers for output filtering
4. • Either invoke the next entity in the chain using the FilterChain object (chain.doFilter()),
   • or not pass on the request/response pair to the next entity in the filter chain to block the request processing
5. Directly set headers on the response after invocation of the next entity in the filter chain.

指定者：

接口 Filter 中的 doFilter

抛出：

IOException

ServletException

destroy

public void destroy()

从接口 Filter 复制的描述

Called by the web container to indicate to a filter that it is being taken out of service.

This method is only called once all threads within the filter's doFilter method have exited or after a timeout period has passed. After the web container calls this method, it will not call the doFilter method again on this instance of the filter.

This method gives the filter an opportunity to clean up any resources that are being held (for example, memory, file handles, threads) and make sure that any persistent state is synchronized with the filter's current state in memory.

指定者：

接口 Filter 中的 destroy

handlePut

public void handlePut(HttpServletRequest request,
                      HttpServletResponse response,
                      String pathInContext,
                      File file)
               throws ServletException,
                      IOException

抛出：

ServletException

IOException

handleDelete

public void handleDelete(HttpServletRequest request,
                         HttpServletResponse response,
                         String pathInContext,
                         File file)
                  throws ServletException,
                         IOException

抛出：

ServletException

IOException

handleMove

public void handleMove(HttpServletRequest request,
                       HttpServletResponse response,
                       String pathInContext,
                       File file)
                throws ServletException,
                       IOException,
                       URISyntaxException

抛出：

ServletException

IOException

URISyntaxException

handleOptions

public void handleOptions(FilterChain chain,
                          HttpServletRequest request,
                          HttpServletResponse response)
                   throws IOException,
                          ServletException

抛出：

IOException

ServletException

passConditionalHeaders

protected boolean passConditionalHeaders(HttpServletRequest request,
                                         HttpServletResponse response,
                                         File file)
                                  throws IOException

抛出：

IOException