package com.atlassian.plugin.web.model;
   
   import com.atlassian.plugin.web.WebFragmentHelper;
   import com.atlassian.plugin.web.ContextProvider;
   import com.atlassian.plugin.web.descriptors.WebFragmentModuleDescriptor;
   import org.dom4j.Element;
   
   import javax.servlet.http.HttpServletRequest;
   import java.util.Map;
  import java.util.HashMap;
  
  /**
   * Represents a single "href", with a variety of permutations.
   */
  public class DefaultWebLink extends AbstractWebItem implements WebLink
  {
      private final String url;
      private final boolean absoluteUrl;
      private final String accessKey;
      private final String id;
  
      public DefaultWebLink(Element linkEl, WebFragmentHelper webFragmentHelper, ContextProvider contextProvider, WebFragmentModuleDescriptor descriptor)
      {
          super(webFragmentHelper, contextProvider, descriptor);
          this.url = linkEl.getTextTrim();
          this.accessKey = linkEl.attributeValue("accessKey");
          this.id = linkEl.attributeValue("linkId");
          this.absoluteUrl = "true".equals(linkEl.attributeValue("absolute"));
      }
  
      public String getRenderedUrl(Map<String,Object> context)
      {
          Map<String,Object> tmpContext = new HashMap<String,Object>(context);
          tmpContext.putAll(getContextMap(tmpContext));
          return getWebFragmentHelper().renderVelocityFragment(url, tmpContext);
      }
  
      private boolean isRelativeUrl(String url)
      {
          return !(absoluteUrl || url.startsWith("http://") || url.startsWith("https://"));
      }
  
      public String getDisplayableUrl(HttpServletRequest req, Map<String,Object> context)
      {
          String renderedUrl = getRenderedUrl(context);
          if (isRelativeUrl(renderedUrl))
              return req.getContextPath() + renderedUrl;
          else
              return renderedUrl;
      }
  
      public boolean hasAccessKey()
      {
          return accessKey != null && !"".equals(accessKey);
      }
  
      public String getAccessKey(Map<String,Object> context)
      {
          context.putAll(getContextMap(context));
          return getWebFragmentHelper().renderVelocityFragment(accessKey, context);
      }
  
      public String getId()
      {
          return id;
      }
  }