public class PreviewFilter
extends java.lang.Object
implements javax.servlet.Filter
Modifier and Type | Field and Description |
---|---|
static java.lang.String |
COPYRIGHT
IBM copyright notice field.
|
Constructor and Description |
---|
PreviewFilter()
This is the default constructor for this class.
|
Modifier and Type | Method and Description |
---|---|
void |
destroy()
This method performs and deinitializes operations when the filter is being shut down.
|
void |
doFilter(javax.servlet.ServletRequest request,
javax.servlet.ServletResponse response,
javax.servlet.FilterChain filterChain)
This method performs the preview operation before the request is processed.
|
void |
init(javax.servlet.FilterConfig filterConfiguration)
This method initializes the preview filter.
|
public static final java.lang.String COPYRIGHT
public PreviewFilter()
public void init(javax.servlet.FilterConfig filterConfiguration) throws javax.servlet.ServletException
init
in interface javax.servlet.Filter
filterConfiguration
- The filter configuration.javax.servlet.ServletException
- This is thrown if there is a problem during filter initialization.
This will never happen since no initialization steps are required.Filter.init(javax.servlet.FilterConfig)
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain filterChain) throws java.io.IOException, javax.servlet.ServletException
doFilter
in interface javax.servlet.Filter
request
- The servlet request.response
- The servlet response.filterChain
- The filter chain.java.io.IOException
- This is thrown if a problem occurs when writing the response.javax.servlet.ServletException
- This is thrown if a problem occurs while handling the request.Filter.doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
public void destroy()
destroy
in interface javax.servlet.Filter
Filter.destroy()