src/main/java/net/bzzt/ical/UrlValidationPage.java

   1 package net.bzzt.ical;
   2
   3 import net.bzzt.ical.services.IcalendarValidationService;
   4
   5 import org.apache.commons.httpclient.Header;
   6 import org.apache.commons.httpclient.HeaderElement;
   7 import org.apache.commons.httpclient.HttpClient;
   8 import org.apache.commons.httpclient.NameValuePair;
   9 import org.apache.commons.httpclient.URI;
  10 import org.apache.commons.httpclient.URIException;
  11 import org.apache.commons.httpclient.methods.GetMethod;
  12 import org.apache.commons.lang.StringUtils;
  13 import org.apache.commons.logging.Log;
  14 import org.apache.commons.logging.LogFactory;
  15 import org.apache.wicket.PageParameters;
  16 import org.apache.wicket.markup.html.WebMarkupContainer;
  17 import org.apache.wicket.markup.html.WebPage;
  18 import org.wicketstuff.annotation.mount.MountPath;
  19 import org.wicketstuff.annotation.strategy.MountMixedParam;
  20 import org.wicketstuff.annotation.strategy.MountQueryString;
  21
  22 @MountPath(path = "urlvalidate")
  23 //MountMixedParams didn't work behind apache proxypass when the url contained a %2F
  24 @MountQueryString
  25 public class UrlValidationPage extends ValidatorLayoutPage {
  26         private static final Log LOG = LogFactory.getLog(UrlValidationPage.class);
  27
  28         public UrlValidationPage(PageParameters parameters)
  29         {
  30                 try {
  31                         String url = getUrl(parameters);
  32                         if (url != null)
  33                         {
  34                                 init(new URI(url, true));
  35                         }
  36                         else
  37                         {
  38                                 init(null);
  39                         }
  40
  41                 } catch (URIException e) {
  42                         e.printStackTrace();
  43                 }
  44         }
  45
  46         private String getUrl(PageParameters parameters) {
  47                 Object url = parameters.get("url");
  48                 if (url == null)
  49                 {
  50                         return null;
  51                 }
  52                 else if (url instanceof String)
  53                 {
  54                         return (String) url;
  55                 }
  56                 else if (url instanceof String[])
  57                 {
  58                         String[] urls = (String[]) url;
  59                         if (urls != null && urls.length > 0)
  60                         {
  61                                 return urls[0];
  62                         }
  63                 }
  64                 return null;
  65         }
  66
  67         private void init(URI uri) {
  68                 GetMethod method = new GetMethod();
  69                 try {
  70                         method.setURI(uri);
  71                 } catch (Exception e) {
  72                         error(e);
  73                 }
  74
  75                 HttpClient client = new HttpClient();
  76                 try {
  77                         client.executeMethod(method);
  78                 } catch (Exception e) {
  79                         error(e);
  80                 }
  81
  82                 add(new UrlFormPanel("urlForm", uri));
  83
  84                 method.getResponseCharSet();
  85
  86                 try {
  87                         LOG.info("Validating url " + uri);
  88                         Header contentType = method.getResponseHeader("Content-Type");
  89                         String charSet = null;
  90                         if (contentType != null)
  91                         {
  92                                 HeaderElement[] headerElements = contentType.getElements();
  93                                 if (headerElements.length > 0)
  94                                 {
  95                                         NameValuePair parameter = headerElements[0].getParameterByName("charset");
  96                                         if (parameter != null)
  97                                         {
  98                                                 charSet = parameter.getValue();
  99                                         }
 100                                 }
 101                         }
 102
 103                         if (StringUtils.isBlank(charSet))
 104                         {
 105                                 charSet = "utf-8";
 106                         }
 107
 108                         add(IcalendarValidationService.getValidationResult("result", method.getResponseBodyAsStream(), charSet));
 109                 } catch (Exception e) {
 110                         add(new WebMarkupContainer("result"));
 111                         error(e);
 112                         LOG.error(e.getMessage(), e);
 113                 }
 114         }
 115 }