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java.lang.Object org.talika.tarsis.filters.AbstractFilter org.talika.tarsis.filters.CommandFilter org.talika.tarsis.filters.security.LoginFilter
public final class LoginFilter
Login filter checks if client's request has a valid security session and if not tries to authenticate client.
Field Summary | |
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static java.lang.String |
LOGIN_PAGE_PARAM
Login page parameter name. |
static java.lang.String |
LOGIN_TRIES_PARAM
Number login of tries parameter name. |
Constructor Summary | |
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LoginFilter()
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Method Summary | |
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void |
doFilter(javax.servlet.ServletRequest request,
javax.servlet.ServletResponse response,
javax.servlet.FilterChain chain)
Checks if client's request has a valid security session and if not tries to authenticate client. |
void |
init(javax.servlet.FilterConfig filterConfig)
Called by the web container to indicate to a filter that it is being placed into service. |
protected void |
processLogin(javax.servlet.http.HttpServletRequest request,
java.lang.String username,
java.lang.String password)
Tries to log client using username and password. |
Methods inherited from class org.talika.tarsis.filters.CommandFilter |
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destroy, findCommand, getCommandFactory |
Methods inherited from class org.talika.tarsis.filters.AbstractFilter |
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getContext, getFilterConfig, getLogger |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final java.lang.String LOGIN_PAGE_PARAM
public static final java.lang.String LOGIN_TRIES_PARAM
Constructor Detail |
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public LoginFilter()
Method Detail |
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public void init(javax.servlet.FilterConfig filterConfig) throws javax.servlet.ServletException
int
method.
init
in interface javax.servlet.Filter
init
in class CommandFilter
filterConfig
- FilterConfig filter configutarion.
javax.servlet.ServletException
- if an exception has occurred that interferes with the
filter's normal operationFilter.init(FilterConfig)
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) throws java.io.IOException, javax.servlet.ServletException
doFilter
in interface javax.servlet.Filter
doFilter
in class AbstractFilter
request
- ServletRequest the ServletRequest
object
that contains the client's request.response
- ServletResponse the ServletResponse
object
that contains the servlet's response.chain
- FilterChain invocation chain of filtered request.
java.io.IOException
- if an input or output exception occurs
javax.servlet.ServletException
- if an exception has occurred that interferes with the
filter's normal operationFilter.doFilter(ServletRequest, ServletResponse, FilterChain)
protected void processLogin(javax.servlet.http.HttpServletRequest request, java.lang.String username, java.lang.String password) throws AuthenticationFailedException
SecuritySession
and stores it in client's
HttpSession
.
request
- HttpServletRequest client's request.username
- String user name.password
- String user password.
AuthenticationFailedException
- if can't authenticate user using given
username and passowrd.
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