package org.argeo.people.web;
   
   import javax.jcr.Node;
   import javax.jcr.RepositoryException;
   import javax.jcr.Session;
   import javax.jcr.Value;
   
   import org.argeo.connect.resources.ResourcesService;
   import org.argeo.connect.util.ConnectUtils;
  import org.argeo.people.PeopleException;
  
  /** Methods to ease implementation of People Web UI */
  public class PeopleWebSnippets {
  	/** a snippet to display tags that are linked to the current entity */
  	public static String getTagLikeValues(ResourcesService tagService, String tagId, Node taggableNode,
  			String taggablePropName, String prefix) {
  		StringBuilder builder = new StringBuilder();
  		try {
  			Session session = taggableNode.getSession();
  			Node tagParent = tagService.getTagLikeResourceParent(session, tagId);
  			// String tagParentPath = tagParent.getPath();
  			if (taggableNode.hasProperty(taggablePropName)) {
  				for (Value value : taggableNode.getProperty((taggablePropName)).getValues()) {
  					String valueStr = value.getString();
  					Node tag = tagService.getRegisteredTag(tagParent, valueStr);
  					builder.append(prefix);
  					builder.append("<a href=\"#" + tag.getPath() + "\">").append(valueStr).append("</a> ");
  				}
  			}
  		} catch (RepositoryException e) {
  			throw new PeopleException(
  					"Error while tag like property " + taggablePropName + " values for node " + taggableNode, e);
  		}
  		return ConnectUtils.replaceAmpersand(builder.toString().trim());
  	}
  }