BaseURL.java

/*
 * (C) Copyright 2006-2007 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * 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.
 *
 * Contributors:
 *     Nuxeo - initial API and implementation
 *
 * $Id: JOOoConvertPluginImpl.java 18651 2007-05-13 20:28:53Z sfermigier $
 */

package org.nuxeo.ecm.platform.ui.web.util;

import javax.faces.context.FacesContext;
import javax.servlet.ServletRequest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper;

public final class BaseURL {

    private static final Log log = LogFactory.getLog(BaseURL.class);

    private BaseURL() {
    }

    static ServletRequest getRequest() {
        final FacesContext facesContext = FacesContext.getCurrentInstance();
        if (facesContext == null) {
            return null;
        }
        return (ServletRequest) facesContext.getExternalContext().getRequest();
    }

    public static String getServerURL() {
        return getServerURL(getRequest(), false);
    }

    /**
     * @return Server URL as: protocol://serverName:port/
     */
    public static String getServerURL(ServletRequest request, boolean local) {
        return VirtualHostHelper.getServerURL(request, local);
    }

    /**
     * @return WebApp name, ie "nuxeo"
     */
    public static String getWebAppName() {
        ServletRequest request = getRequest();
        return VirtualHostHelper.getWebAppName(request);
    }

    /**
     * @return base URL as protocol://serverName:port/webappName/
     */
    public static String getBaseURL() {
        return getBaseURL(getRequest());
    }

    public static String getBaseURL(ServletRequest request) {
        return VirtualHostHelper.getBaseURL(request);
    }

    public static String getLocalBaseURL(ServletRequest request) {
        String localURL = null;
        String serverUrl = getServerURL(request, true);
        if (serverUrl != null) {
            localURL = serverUrl + getWebAppName() + '/';
        }
        if (localURL == null) {
            log.error("Could not retrieve local url correctly");
        }
        return localURL;
    }

    public static String getContextPath() {
        return VirtualHostHelper.getContextPath(getRequest());
    }

}