com.liferay.portal.kernel.util.ContextPathUtil Maven / Gradle / Ivy

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Contains interfaces for the portal services. Interfaces are only loaded by the global class loader and are shared by all plugins.

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/**
 * Copyright (c) 2000-2013 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.util;

import com.liferay.portal.kernel.servlet.ServletVersionDetector;

import javax.portlet.PortletRequest;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

/**
 * @author Igor Spasic
 * @author Brian Wing Shun Chan
 */
public class ContextPathUtil {

	public static String getContextPath(HttpServletRequest request) {
		return getContextPath(request.getContextPath());
	}

	public static String getContextPath(PortletRequest portletRequest) {
		return getContextPath(portletRequest.getContextPath());
	}

	public static String getContextPath(ServletContext servletContext) {
		String contextPath = null;

		if (ServletVersionDetector.is2_5()) {
			contextPath = servletContext.getContextPath();
		}
		else {
			contextPath = (String)servletContext.getAttribute(WebKeys.CTX_PATH);

			if (contextPath == null) {
				contextPath = servletContext.getServletContextName();
			}
		}

		return getContextPath(contextPath);
	}

	public static String getContextPath(String contextPath) {
		contextPath = GetterUtil.getString(contextPath);

		if ((contextPath.length() == 0) ||
			contextPath.equals(StringPool.SLASH)) {

			contextPath = StringPool.BLANK;
		}
		else if (!contextPath.startsWith(StringPool.SLASH)) {
			contextPath = StringPool.SLASH.concat(contextPath);
		}

		return contextPath;
	}

}