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package org.apache.tapestry.engine; |
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import java.io.IOException; |
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import java.util.HashMap; |
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import java.util.Map; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import javax.servlet.http.HttpSession; |
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import org.apache.commons.logging.Log; |
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import org.apache.tapestry.IRequestCycle; |
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import org.apache.tapestry.Tapestry; |
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import org.apache.tapestry.services.LinkFactory; |
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public class RestartService implements IEngineService |
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{ |
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private Log _log; |
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private HttpServletRequest _request; |
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private HttpServletResponse _response; |
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private LinkFactory _linkFactory; |
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private String _servletPath; |
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public ILink getLink(boolean post, Object parameter) |
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{ |
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if (parameter != null) |
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throw new IllegalArgumentException(EngineMessages |
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.serviceNoParameter(this)); |
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Map parameters = new HashMap(); |
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return _linkFactory.constructLink(this, post, parameters, true); |
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} |
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public void service(IRequestCycle cycle) |
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throws IOException |
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{ |
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HttpSession session = _request.getSession(false); |
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if (session != null) |
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{ |
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try |
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session.invalidate(); |
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} |
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catch (IllegalStateException ex) |
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{ |
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_log.warn("Exception thrown invalidating HttpSession.", ex); |
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} |
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} |
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String url = cycle.getAbsoluteURL(_servletPath); |
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_response.sendRedirect(url); |
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} |
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public String getName() |
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{ |
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return Tapestry.RESTART_SERVICE; |
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} |
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public void setLog(Log log) |
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{ |
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_log = log; |
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} |
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public void setRequest(HttpServletRequest request) |
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{ |
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_request = request; |
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} |
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public void setResponse(HttpServletResponse response) |
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{ |
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_response = response; |
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} |
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public void setLinkFactory(LinkFactory linkFactory) |
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{ |
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_linkFactory = linkFactory; |
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} |
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public void setServletPath(String servletPath) |
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{ |
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_servletPath = servletPath; |
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} |
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} |