BaseServiceImpl.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.portal.kernel.service;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.model.User;
import com.liferay.portal.kernel.security.auth.CompanyThreadLocal;
import com.liferay.portal.kernel.security.auth.PrincipalException;
import com.liferay.portal.kernel.security.auth.PrincipalThreadLocal;
import com.liferay.portal.kernel.security.permission.PermissionChecker;
import com.liferay.portal.kernel.security.permission.PermissionThreadLocal;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;

/**
 * @author Brian Wing Shun Chan
 */
public abstract class BaseServiceImpl implements BaseService {

	public static final String[] ANONYMOUS_NAMES = {
		BaseServiceImpl.JRUN_ANONYMOUS, BaseServiceImpl.ORACLE_ANONYMOUS,
		BaseServiceImpl.SUN_ANONYMOUS, BaseServiceImpl.WEBLOGIC_ANONYMOUS
	};

	public static final String JRUN_ANONYMOUS = "anonymous-guest";

	public static final String ORACLE_ANONYMOUS = "guest";

	public static final String SUN_ANONYMOUS = "ANONYMOUS";

	public static final String WEBLOGIC_ANONYMOUS = "<anonymous>";

	public User getGuestOrUser() throws PortalException {
		try {
			return getUser();
		}
		catch (PrincipalException pe) {
			try {
				return UserLocalServiceUtil.getDefaultUser(
					CompanyThreadLocal.getCompanyId());
			}
			catch (Exception e) {
				throw pe;
			}
		}
	}

	public long getGuestOrUserId() throws PrincipalException {
		try {
			return getUserId();
		}
		catch (PrincipalException pe) {
			try {
				return UserLocalServiceUtil.getDefaultUserId(
					CompanyThreadLocal.getCompanyId());
			}
			catch (Exception e) {
				throw pe;
			}
		}
	}

	public PermissionChecker getPermissionChecker() throws PrincipalException {
		PermissionChecker permissionChecker =
			PermissionThreadLocal.getPermissionChecker();

		if (permissionChecker == null) {
			throw new PrincipalException("PermissionChecker not initialized");
		}

		return permissionChecker;
	}

	public User getUser() throws PortalException {
		return UserLocalServiceUtil.getUserById(getUserId());
	}

	public long getUserId() throws PrincipalException {
		String name = PrincipalThreadLocal.getName();

		if (Validator.isNull(name)) {
			throw new PrincipalException("Principal is null");
		}
		else {
			for (int i = 0; i < ANONYMOUS_NAMES.length; i++) {
				if (StringUtil.equalsIgnoreCase(name, ANONYMOUS_NAMES[i])) {
					throw new PrincipalException(
						"Principal cannot be " + ANONYMOUS_NAMES[i]);
				}
			}
		}

		return GetterUtil.getLong(name);
	}

	protected ClassLoader getClassLoader() {
		Class<?> clazz = getClass();

		return clazz.getClassLoader();
	}

}