Revision 5076
Added by daigle over 14 years ago
| RequestUtil.java | ||
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import java.io.IOException; |
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import java.io.BufferedReader; |
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import java.io.PrintWriter; |
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import java.io.StringReader; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import java.net.URLConnection; |
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import org.apache.commons.httpclient.methods.PostMethod; |
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import org.apache.log4j.Logger; |
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import edu.ucsb.nceas.metacat.properties.PropertyService; |
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import edu.ucsb.nceas.metacat.service.SessionService; |
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import edu.ucsb.nceas.metacat.shared.MetacatUtilException; |
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import edu.ucsb.nceas.utilities.PropertyNotFoundException; |
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public class RequestUtil {
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|
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* that can be used for writing output to the client |
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* @param destination |
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* the context-relative URL to which the request is forwarded |
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* @param params the request parameters. these will be added to the request |
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*/ |
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public static void forwardRequest(HttpServletRequest request, |
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HttpServletResponse response, String destinationUrl, Hashtable<String, String[]> params) |
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throws IOException, ServletException {
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public static void forwardRequest(HttpServletRequest request, HttpServletResponse response, |
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String destinationUrl, Hashtable<String, String[]> params) throws MetacatUtilException {
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destinationUrl += "?" + paramsToQuery(params); |
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|
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ServletContext servletContext = request.getSession() |
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.getServletContext(); |
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servletContext.getRequestDispatcher(destinationUrl).forward(request, |
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response); |
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try {
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servletContext.getRequestDispatcher(destinationUrl).forward(request, response); |
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} catch (IOException ioe) {
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throw new MetacatUtilException("RequestUtil.forwardRequest - I/O error when forwarding to " +
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destinationUrl + " : " + ioe.getMessage()); |
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} catch (ServletException se) {
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throw new MetacatUtilException("RequestUtil.forwardRequest - Servlet error when forwarding to " +
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destinationUrl + " : " + se.getMessage()); |
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} |
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} |
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/** |
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* Forward a request that was received by this servlet on to another JSP |
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* page or servlet to continue handling the request. In this case, the page |
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* must be referenced in a paramter named "forwardto". If the qformat is |
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* provided, the file will be retrieved from that skin. Otherwise, the file |
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* will be retrieved from the system default skin. |
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* |
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* For more specific file location, use: forwardRequest(request,response, destinationUrl, params) |
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* |
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* @param request |
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* to be forwarded |
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* @param response |
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* that can be used for writing output to the client |
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* @param params |
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* the request parameters. these will be added to the request. |
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*/ |
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public static void forwardRequest(HttpServletRequest request, HttpServletResponse response, |
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Hashtable<String, String[]> params) throws MetacatUtilException {
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String forwardTos[] = params.get("forwardto");
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if (forwardTos == null || forwardTos[0].equals("")) {
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throw new MetacatUtilException("RequestUtil.forwardRequest - forwardto must be set in parameters when forwarding.");
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} |
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String forwardTo = forwardTos[0]; |
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String qformat = null; |
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String qformats[] = params.get("qformat");
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if (qformats == null || qformats.length == 0) {
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try {
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qformat = PropertyService.getProperty("application.default-style");
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} catch (PropertyNotFoundException pnfe) {
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qformat = "default"; |
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logMetacat.warn("RequestUtil.forwardRequest - could not get property " +
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"'application.default-style'. Using 'default'"); |
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} |
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} else {
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qformat = qformats[0]; |
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} |
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String destinationUrl = "/style/skins/" + qformat + "/" + forwardTo; |
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destinationUrl += "?" + paramsToQuery(params); |
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logMetacat.debug("RequestUtil.forwardRequest - Forwarding request to " + destinationUrl);
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ServletContext servletContext = request.getSession() |
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.getServletContext(); |
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try {
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servletContext.getRequestDispatcher(destinationUrl).forward(request, response); |
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} catch (IOException ioe) {
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throw new MetacatUtilException("RequestUtil.forwardRequest - I/O error when forwarding to " +
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destinationUrl + " : " + ioe.getMessage()); |
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} catch (ServletException se) {
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throw new MetacatUtilException("RequestUtil.forwardRequest - Servlet error when forwarding to " +
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destinationUrl + " : " + se.getMessage()); |
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} |
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} |
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/** |
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* Post a request and return the response body |
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* |
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* @param cookieName |
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* the name of the cookie to look for |
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*/ |
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@SuppressWarnings("unchecked")
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public static Hashtable<String, String[]> getParameters(HttpServletRequest request) {
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Hashtable<String, String[]> params = new Hashtable<String, String[]>(); |
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Also available in: Unified diff
Change RequestUtil forwardRequest() method to throw MetacatUtilException.