/**
 * 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.Map;

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

public class PermissionTag extends TagSupport {

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

  String context;

  String permission;

  public String getContext() {

    return context;
  }

  public void setContext(String context) {

    this.context = context;
  }

  public String getPermission() {

    return permission;
  }

  public void setPermission(String permissions) {

    this.permission = permissions;
  }

  public int doStartTag() throws JspException {

    AuthorizableTag parentTag = (AuthorizableTag) getParent();

    if (parentTag == null)
      throw new JspTagException(
        "The permission tag may be used only in the context of the link, authorized, or submit tags!");

    Map m = parentTag.getPermissionMap();

    if (m == null)
      throw new JspTagException(
        "Permission map not initialized in parent element!");

    m.put(context, permission);

    return SKIP_BODY;

  }

}