restrictloginservlet.java

web版的SVN客户端

package org.polarion.svnwebclient.web.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.polarion.svnwebclient.SVNWebClientException;
import org.polarion.svnwebclient.authorization.impl.CredentialsManager;
import org.polarion.svnwebclient.configuration.ConfigurationProvider;
import org.polarion.svnwebclient.data.IDataProvider;
import org.polarion.svnwebclient.util.UrlUtil;
import org.polarion.svnwebclient.web.SystemInitializing;
import org.polarion.svnwebclient.web.support.RequestHandler;
import org.polarion.svnwebclient.web.support.RequestParameters;

public class RestrictLoginServlet extends AbstractServlet {
	private static final long serialVersionUID = -2180203163406605770L;
	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.execute(request, response);
    }
    
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.execute(request, response);
    }    
    
    protected void executeSVNOperation(IDataProvider dataProvider) throws SVNWebClientException {    	
    	this.state.getRequest().getSession().setAttribute(CredentialsManager.CREDENTIALS, null);
    	this.state.getRequest().getSession().setAttribute(SystemInitializing.ID, null);
    	
		String originalUrl = (String) this.state.getRequest().getSession().getAttribute(SystemInitializing.ORIGINAL_URL);		    	
    	StringBuffer params = new StringBuffer("?");
    
    	if (ConfigurationProvider.getInstance().isMultiRepositoryMode()) {
    		params.append(RequestParameters.LOCATION).append("=").append(this.requestHandler.getLocation()).append("&") ;
    	}
    	params.append(RequestParameters.URL).append("=").append(UrlUtil.encode(this.requestHandler.getUrl())); 
    	try {   
    		this.state.getResponse().sendRedirect(originalUrl + params.toString());
    	} catch (IOException e) {
    		throw new SVNWebClientException(e);
    	}
    }
    
    protected RequestHandler getRequestHandler(HttpServletRequest request) {
        return new RequestHandler(request);
    }
}