/*
 * This is eMonocot, a global online biodiversity information resource.
 *
 * Copyright © 2011–2015 The Board of Trustees of the Royal Botanic Gardens, Kew and The University of Oxford
 *
 * eMonocot is free software: you can redistribute it and/or modify it under the terms of the
 * GNU Affero General Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * eMonocot is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * The complete text of the GNU Affero General Public License is in the source repository as the file
 * ‘COPYING’.  It is also available from <http://www.gnu.org/licenses/>.
 */
package org.emonocot.portal.format;

import java.text.ParseException;
import java.util.Locale;

import org.springframework.format.Formatter;
import org.springframework.security.acls.domain.BasePermission;
import org.springframework.security.acls.model.Permission;

/**
 *
 * @author ben
 *
 */
public class PermissionFormatter
implements Formatter<Permission> {

	/**
	 * @param permission Set the permission
	 * @param locale Set the locale
	 * @return the facet request as a string
	 */
	public final String print(
			final Permission permission, final Locale locale) {
		if (permission.equals(BasePermission.READ)) {
			return "READ";
		} else if (permission.equals(BasePermission.WRITE)) {
			return "WRITE";
		} else if (permission.equals(BasePermission.CREATE)) {
			return "CREATE";
		} else if (permission.equals(BasePermission.DELETE)) {
			return "DELETE";
		} else if (permission.equals(BasePermission.ADMINISTRATION)) {
			return "ADMINISTRATION";
		} else {
			return "UNKNOWN_PERMISSON";
		}
	}

	/**
	 * @param permission the facet request as a string
	 * @param locale Set the locale
	 * @return a Permission object
	 * @throws ParseException if there is a problem parsing the string
	 */
	public final Permission parse(
			final String permission, final Locale locale)
					throws ParseException {
		if (permission.equals("READ")) {
			return BasePermission.READ;
		} else if (permission.equals("WRITE")) {
			return BasePermission.WRITE;
		} else if (permission.equals("CREATE")) {
			return BasePermission.CREATE;
		} else if (permission.equals("DELETE")) {
			return BasePermission.DELETE;
		} else if (permission.equals("ADMINISTRATION")) {
			return BasePermission.ADMINISTRATION;
		} else {
			throw new ParseException(permission
					+ " is not an acceptable value for a Permission", 0);
		}
	}

}