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java.lang.Objectjavax.servlet.GenericServlet
org.apache.bsf.utils.http.HttpScriptServlet
public class HttpScriptServlet
HttpScriptServlet contains method which allows execution of scripts written in one or more languages. It uses a ScriptEngine supplied by calling its getEngine method to execute a script in a HttpScriptContext supplied by calling its getContext method.
Constructor Summary | |
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HttpScriptServlet()
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Method Summary | |
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HttpScriptContext |
getContext(javax.servlet.http.HttpServletRequest req,
javax.servlet.http.HttpServletResponse res)
Retrieves a HttpScriptContext initialized using specified HttpServletRequest, HttpServletResponse and a reference to this HttpScriptServlet. |
ScriptEngine |
getEngine(javax.servlet.http.HttpServletRequest req)
Returns a ScriptEngine instance which is used by the HttpScriptServlet to executes a single request. |
void |
releaseEngine(ScriptEngine eng)
Called to indicate that the ScriptEngine returned by call to getEngine() is no longer in use. |
void |
service(javax.servlet.ServletRequest req,
javax.servlet.ServletResponse res)
Executes a script using the HttpScriptContext obtained by a call to getContext() and the ScriptEngine obtained by a call to getEngine(). |
Methods inherited from class javax.servlet.GenericServlet |
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destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log |
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 HttpScriptServlet()
Method Detail |
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public HttpScriptContext getContext(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res) throws javax.servlet.ServletException
req
- the supplied HttpServletRequest instanceres
- the supplied HttpServletResponse instance
javax.servlet.ServletException
- if an error occurspublic ScriptEngine getEngine(javax.servlet.http.HttpServletRequest req)
req
- the current request
public void releaseEngine(ScriptEngine eng)
eng
- the ScriptEngine which is no longer in usepublic void service(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res) throws java.lang.IllegalArgumentException, java.io.IOException, javax.servlet.ServletException
service
in interface javax.servlet.Servlet
service
in class javax.servlet.GenericServlet
req
- the current requestres
- the current response
IlleagalArguementException
- if the req is not an
instance of HttpServletRequest or if the res is not an
instance of HttpServletResponse
java.io.IOException
- if an input, output error occurs
javax.servlet.ServletException
- if error occurs in processing the
request
java.lang.IllegalArgumentException
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