Ignore:
Timestamp:
04/23/13 14:06:35 (11 years ago)
Author:
keeloo
Message:

Added support for search page type of resources.

File:
1 edited

Legend:

Unmodified
Added
Removed

  • vlo/trunk/vlo_web_app/src/main/java/eu/clarin/cmdi/vlo/pages/ResourceLinkPanel.java

    r2768 r2829  
     1
    12package eu.clarin.cmdi.vlo.pages;
    23
    34import eu.clarin.cmdi.vlo.CommonUtils;
    45import eu.clarin.cmdi.vlo.FacetConstants;
    5 import eu.clarin.cmdi.vlo.config.VloConfig;
    6 import java.io.IOException;
    7 import java.net.HttpURLConnection;
    8 import java.net.MalformedURLException;
    9 import java.net.URL;
    10 import java.net.URLConnection;
    116import java.util.HashMap;
    127import java.util.Map;
    … …  
    1510import org.apache.wicket.markup.html.image.Image;
    1611import org.apache.wicket.markup.html.link.ExternalLink;
    17 import org.apache.wicket.markup.html.panel.Panel;
    1812import org.apache.wicket.resource.ContextRelativeResource;
    1913import org.slf4j.Logger;
    2014import org.slf4j.LoggerFactory;
    2115
    22 public class ResourceLinkPanel extends Panel {
    2316
    24     private final static Logger LOG = LoggerFactory.getLogger(ResourceLinkPanel.class);
     17/**
     18 * Panel showing a resource link.
     19 *
     20 * In the extension of the link panel class, this class adds a label text and
     21 * an icon that is specific for search page links.
     22 */
     23public class ResourceLinkPanel extends LinkPanel {
     24
     25    private final static Logger LOG =
     26            LoggerFactory.getLogger(ResourceLinkPanel.class);
    2527
    2628    private static final long serialVersionUID = 1L;
    2729
    28     private final static String URN_NBN_RESOLVER_URL = "http://www.nbn-resolving.org/redirect/";
     30    private final static String URN_NBN_RESOLVER_URL =
     31            "http://www.nbn-resolving.org/redirect/";
    2932
    30     private final static ImageResource ANNOTATION = new ImageResource(new ContextRelativeResource("Images/text-x-log.png"),
    31             "Annotation file");
    32     private final static ImageResource AUDIO = new ImageResource(new ContextRelativeResource("Images/audio-x-generic.png"), "Audio file");
    33     private final static ImageResource IMAGE = new ImageResource(new ContextRelativeResource("Images/image-x-generic.png"), "Image file");
    34     private final static ImageResource TEXT = new ImageResource(new ContextRelativeResource("Images/text-x-generic.png"), "Text file");
    35     private final static ImageResource VIDEO = new ImageResource(new ContextRelativeResource("Images/video-x-generic.png"), "Video file");
     33    private final static ImageResource ANNOTATION = new ImageResource(new
     34            ContextRelativeResource("Images/text-x-log.png"), "Annotation file");
     35    private final static ImageResource AUDIO = new ImageResource(new
     36            ContextRelativeResource("Images/audio-x-generic.png"), "Audio file");
     37    private final static ImageResource IMAGE = new ImageResource(new
     38            ContextRelativeResource("Images/image-x-generic.png"), "Image file");
     39    private final static ImageResource TEXT = new  ImageResource(new
     40            ContextRelativeResource("Images/text-x-generic.png"), "Text file");
     41    private final static ImageResource VIDEO = new ImageResource(new
     42            ContextRelativeResource("Images/video-x-generic.png"), "Video file");
    3643
    37     private final static Map<String, ImageResource> ICON_MAP = new HashMap<String, ImageResource>();
     44    private final static Map<String, ImageResource> ICON_MAP = new
     45            HashMap<String, ImageResource>();
    3846    static {
    3947        ICON_MAP.put(FacetConstants.RESOURCE_TYPE_AUDIO, AUDIO);
    … …  
    4351        ICON_MAP.put(FacetConstants.RESOURCE_TYPE_ANNOTATION, ANNOTATION);
    4452    }
    45 
     53   
     54    /**
     55     * Panel constructor
     56     *
     57     * @param id Wicket mark up identifier
     58     * @param mimeType mime type of the resource indicated
     59     * @param resourceLink URL to pointing to the resource
     60     */
    4661    public ResourceLinkPanel(String id, String mimeType, String resourceLink) {
    4762        super(id);
    … …  
    5873        add(link);
    5974    }
    60 
    61     /**
    62      * Modifies resourceLink if necessary (adds support for different URN resolvers)
    63      * @param resourceLink
    64      * @return Modified resourceLink, if no modifications are necessary original parameter resourceLink is returned
    65      */
    66     private String getHref(String resourceLink) {
    67         String result = resourceLink;
    68         if (resourceLink != null) {
    69             if (resourceLink.startsWith(FacetConstants.HANDLE_PREFIX)) {
    70                 String handle = resourceLink.substring(FacetConstants.HANDLE_PREFIX.length());
    71                 result = VloConfig.getHandleServerUrl() + handle;
    72             } else if(resourceLink.startsWith(FacetConstants.URN_NBN_PREFIX)) {
    73                 result = URN_NBN_RESOLVER_URL+resourceLink;
    74             }
    75         }
    76         return result;
    77     }
    78 
    79     protected String getNameFromLink(String resourceLink) {
    80         String result = resourceLink;
    81         // We ALWAYS backoff to the resourceLink as default thingy.
    82 
    83 
    84 
    85      // HandleResolver does not work at the moment on the clarin server see http://trac.clarin.eu/ticket/136, Disabled it for the release.
    86 //      if (resourceLink != null) {
    87 //          if (resourceLink.startsWith(FacetConstants.HANDLE_PREFIX)) {
    88 //              try {
    89 //                  String handle = resourceLink.substring(FacetConstants.HANDLE_PREFIX.length());
    90 //                  HandleResolver handleResolver = new HandleResolver();
    91 //                  handleResolver.setTcpTimeout(5000);//5 secs, default is one minute
    92 //                  HandleValue values[] = handleResolver.resolveHandle(handle, new String[] { "URL" }, null);
    93 //
    94 //                  for (HandleValue handleValue : values) {
    95 //                      String url = handleValue.getDataAsString();
    96 //                      int index = url.lastIndexOf('/');
    97 //                      if (index != -1) {
    98 //                          String name = url.substring(index + 1).trim();
    99 //                          if (name.length() > 1) {
    100 //                              result = name + " (" + resourceLink + ")";
    101 //                          }
    102 //                          break;
    103 //                      }
    104 //                  }
    105 //              } catch (HandleException e) {
    106 //                  LOG.warn("Error trying to get the name of the handle", e);
    107 //              }
    108 //          }
    109 //      }
    110 
    111         /** NOTE: We are trying a different approach from the "official" one.
    112          * Will use the REST interface of hdl.handle.net.
    113          */
    114         if (resourceLink != null) {
    115             if (resourceLink.startsWith(FacetConstants.HANDLE_PREFIX)) {
    116                 String handle = resourceLink.substring(FacetConstants.HANDLE_PREFIX.length());
    117                 resourceLink = VloConfig.getHandleServerUrl() + handle;
    118                 // Now points to something like http://hdl.handle.net/1839/00-0000-0000-0004-3357-F
    119                 HttpURLConnection con = null;
    120                 URL u;
    121                 try{
    122                     u = new URL(resourceLink);
    123                     System.out.println(resourceLink);
    124                     URLConnection c = u.openConnection();
    125                     if(c instanceof HttpURLConnection){
    126                         con = (HttpURLConnection) c;
    127                     }
    128                     if(con != null){
    129                         if(con.getResponseCode() == HttpURLConnection.HTTP_MOVED_PERM ||
    130                                 con.getResponseCode() == HttpURLConnection.HTTP_MOVED_TEMP ||
    131                                 con.getResponseCode() == HttpURLConnection.HTTP_SEE_OTHER){
    132                            result = con.getURL().toString();
    133 /*                            for (Map.Entry<String, List<String>> header : con.getHeaderFields().entrySet()) {
    134                                 if(header != null && header.getKey() != null){
    135                                     System.out.println("XXX:" + header.getKey());
    136                                     System.out.println(header.getValue().get(0));
    137                                     if(header.getKey().equals("Location")){
    138                                         result = header.getValue().get(0);
    139                                     }
    140                                 }
    141                             }*/
    142                         }
    143                     }
    144                 } catch (MalformedURLException e) {
    145                     LOG.warn("Error trying to get the name of the handle", e);
    146                 } catch (IOException e) {
    147                     LOG.warn("Error trying to get the name of the handle", e);
    148                 }
    149             }
    150         }
    151         return result;
    152     }
    153 
     75   
    15476    private ImageResource getImage(String mimeType) {
    15577        ImageResource image = ICON_MAP.get(CommonUtils.normalizeMimeType(mimeType));
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