PrintPermissionTag.java

/**
 * 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.io.IOException;
import java.util.Map;

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

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.glite.security.voms.admin.operations.VOMSPermission;

public class PrintPermissionTag extends TagSupport {

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

  public static final String SHORT_HEADER = "short";

  public static final String LONG_HEADER = "long";

  private static final Logger log = LoggerFactory
    .getLogger(PrintPermissionTag.class);

  String header;

  String var;

  private static final String[] headerNames = { "Container", "Membership",
    "ACL", "Attributes", "Requests", "Suspend" };

  private static final String[] shortHeaderNames = { "Cont.", "Memb.", "ACL",
    "Attr.", "Req." };

  public String getHeader() {

    return header;
  }

  public void setHeader(String header) {

    this.header = header;
  }

  private void printLongHeader() throws JspException {

    JspWriter out = pageContext.getOut();

    try {

      out.println("<table class='table' cellpadding='0' cellspacing='0'>");
      out.println("<tr class='tableHeaderRow'>");

      for (int i = 0; i < headerNames.length; i++)
        out.println("<td>" + headerNames[i] + "</td>");

      out.println("</tr>");

    } catch (IOException e) {

      throw new JspTagException(e.getMessage());
    }

  }

  private void printShortHeader() throws JspException {

    JspWriter out = pageContext.getOut();

    try {

      out.println("<table class='table' cellpadding='0' cellspacing='0'>");
      out.println("<tr class='tableHeaderRow'>");

      for (int i = 0; i < shortHeaderNames.length; i++)
        out.println("<td>" + shortHeaderNames[i] + "</td>");

      out.println("</tr>");

    } catch (IOException e) {

      throw new JspTagException(e.getMessage());
    }

  }

  private void printPermissions(VOMSPermission p) throws JspException {

    JspWriter out = pageContext.getOut();

    try {

      // out.println( "<tr class='tableRow'>" );
      // CONTAINER permissions
      out.write("<td>");
      if (p.hasContainerReadPermission())
        out.write("r");
      if (p.hasContainerWritePermission())
        out.write("w");

      out.write("</td>");

      // MEMBERSHIP permissions
      out.write("<td>");
      if (p.hasMembershipReadPermission())
        out.write("r");
      if (p.hasMembershipWritePermission())
        out.write("w");
      out.write("</td>");

      // ACL permissions
      out.write("<td>");
      if (p.hasACLReadPermission())
        out.write("r");
      if (p.hasACLWritePermission())
        out.write("w");
      if (p.hasACLDefaultPermission())
        out.write("d");
      out.write("</td>");

      // ATTRIBUTES permissions
      out.write("<td>");
      if (p.hasAttributeReadPermission())
        out.write("r");
      if (p.hasAttributeWritePermission())
        out.write("w");
      out.write("</td>");

      // REQUESTS permissions
      out.write("<td>");
      if (p.hasRequestReadPermission())
        out.write("r");
      if (p.hasRequestWritePermission())
        out.write("w");
      out.write("</td>");

      // PERSONAL INFO
      out.write("<td>");
      if (p.hasPersonalInfoReadPermission())
        out.write("r");
      if (p.hasPersonalInfoWritePermission())
        out.write("w");
      out.write("</td>");

      // SUSPEND permission
      out.write("<td>");
      if (p.hasSuspendPermission())
        out.write("yes");
      out.write("</td>");

      // out.println( "</tr>" );
    } catch (IOException e) {

      throw new JspTagException(e.getMessage());

    }

  }

  private void printFooter() throws JspException {

    JspWriter out = pageContext.getOut();

    try {
      out.write("</table>");
    } catch (IOException e) {

      throw new JspTagException(e.getMessage());
    }

  }

  public int doStartTag() throws JspException {

    // Look in request context
    Object o = pageContext.getAttribute(getVar());

    VOMSPermission p;

    if (o instanceof Map.Entry) {
      p = (VOMSPermission) ((Map.Entry) o).getValue();

    } else
      p = (VOMSPermission) o;

    if (header == null)
      header = SHORT_HEADER;

    // if ( SHORT_HEADER.equals( header ) )
    // printShortHeader();

    // if ( LONG_HEADER.equals( header ) )
    // printLongHeader();

    printPermissions(p);

    // printFooter();

    return SKIP_BODY;
  }

  public String getVar() {

    return var;
  }

  public void setVar(String var) {

    this.var = var;
  }

}