/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare (INFN). 2006-2016
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.glite.security.voms.admin.taglib;

import java.util.Set;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.TagSupport;

import org.glite.security.voms.admin.persistence.model.VOMSGroup;
import org.glite.security.voms.admin.persistence.model.VOMSRole;

/**
 * @author andrea
 *
 */
/**
 * @author andrea
 * 
 */
public class RoleAttributesTag extends TagSupport {

  /**
     * 
     */
  private static final long serialVersionUID = 1L;

  private String var;

  private String groupVar;

  public String getGroupVar() {

    return groupVar;
  }

  public void setGroupVar(String groupVar) {

    this.groupVar = groupVar;
  }

  public String getVar() {

    return var;
  }

  public void setVar(String var) {

    this.var = var;
  }

  public int doStartTag() throws JspException {

    VOMSRole r = (VOMSRole) pageContext.getAttribute("vomsRole",
      PageContext.REQUEST_SCOPE);
    VOMSGroup g = (VOMSGroup) pageContext
      .findAttribute((groupVar == null) ? "vomsGroup" : groupVar);

    if (r == null)
      throw new JspTagException(
        "No role found in org.glite.security.voms.admin.request context!");

    if (g == null)
      throw new JspTagException(
        "No group found in org.glite.security.voms.admin.request context!");

    Set attributes = r.getAttributesInGroup(g);

    pageContext.setAttribute(var, attributes);

    return SKIP_BODY;
  }

}