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java.lang.Object org.talika.tarsis.filters.AbstractFilter org.talika.tarsis.filters.CommandFilter org.talika.tarsis.filters.validator.ValidatorFilter
public class ValidatorFilter
ValidatorFilter
validates command parameters sent in client's request.
Constructor Summary | |
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ValidatorFilter()
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Method Summary | |
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protected void |
checkRequired(CommandParameter parameter,
java.lang.String value)
Checks if a parameter required was sent. |
void |
doFilter(javax.servlet.ServletRequest servletRequest,
javax.servlet.ServletResponse servletResponse,
javax.servlet.FilterChain filterChain)
Validates command parameters sent in client's request. |
protected java.lang.Object |
getMultipleParameter(CommandParameter parameter,
java.lang.String[] values)
Obtains parsed Collection of parameters values from array of
string values. |
protected java.lang.Object |
getParameter(CommandParameter parameter,
java.lang.String value)
Obtains parsed parameter value from string value. |
protected void |
validate(CommandParameter[] parameters,
javax.servlet.ServletRequest request)
Validates command parameters sent in request. |
Methods inherited from class org.talika.tarsis.filters.CommandFilter |
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destroy, findCommand, getCommandFactory, init |
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 |
Constructor Detail |
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public ValidatorFilter()
Method Detail |
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public void doFilter(javax.servlet.ServletRequest servletRequest, javax.servlet.ServletResponse servletResponse, javax.servlet.FilterChain filterChain) throws java.io.IOException, javax.servlet.ServletException
doFilter
in interface javax.servlet.Filter
doFilter
in class AbstractFilter
servletRequest
- ServletRequest the ServletRequest
object
that contains the client's request.servletResponse
- ServletResponse the ServletResponse
object
that contains the servlet's response.filterChain
- 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 final void validate(CommandParameter[] parameters, javax.servlet.ServletRequest request) throws InvalidParametersException
parameters
- CommandParameter[] array of parameters definitions.request
- ServletRequest the ServletRequest
object
that contains the client's request.
InvalidParametersException
- if a invalid parameter value was found.protected final void checkRequired(CommandParameter parameter, java.lang.String value) throws RequiredParameterException
parameter
- CommandParameter parameter definition.value
- String parameter value.
RequiredParameterException
- if parameter is required and was not sent.protected final java.lang.Object getParameter(CommandParameter parameter, java.lang.String value) throws InvalidValueException
parameter
- CommandParameter parameter definition.value
- String parameter value.
InvalidValueException
- if parameter value can not be parsed.protected final java.lang.Object getMultipleParameter(CommandParameter parameter, java.lang.String[] values) throws InvalidValueException
Collection
of parameters values from array of
string values.
parameter
- CommandParameter parameter definition.values
- String[] array of parameter values.
Collection
of parsed parameters values.
InvalidValueException
- if parameters values can not be parsed.
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