org.impalaframework.web.utils.WebPathUtils.java Source code

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Here is the source code for org.impalaframework.web.utils.WebPathUtils.java

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/*
 * Copyright 2007-2010 the original author or authors.
 * 
 * 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.impalaframework.web.utils;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;

public class WebPathUtils {

    public static void maybeLogRequest(HttpServletRequest request, Log logger) {

        if (logger.isDebugEnabled()) {
            logger.debug("Request context path: " + request.getContextPath());
            logger.debug("Request local address: " + request.getLocalAddr());
            logger.debug("Request local name: " + request.getLocalName());
            logger.debug("Request path info: " + request.getPathInfo());
            logger.debug("Request path translated: " + request.getPathTranslated());
            logger.debug("Request query string: " + request.getQueryString());
            logger.debug("Request servlet path: " + request.getServletPath());
            logger.debug("Request request URI: " + request.getRequestURI());
            logger.debug("Request request URL: " + request.getRequestURL());
            logger.debug("Request session ID: " + request.getRequestedSessionId());
        }
    }

    public static String getTopLevelPathSegment(String uri) {
        //request URI includes context path, so that should be stripped off
        String toCheck = uri.startsWith("/") ? uri.substring(1) : uri;

        //we are dealing with the top level path
        String[] split = toCheck.split("/");

        if (split.length == 1) {
            return null;
        }
        return split[1];
    }

    public static String getSuffix(String uri) {
        final int lastSlashIndex = uri.lastIndexOf('/');

        final String toCheck;
        if (lastSlashIndex > 0) {
            toCheck = uri.substring(lastSlashIndex + 1);
        } else {
            toCheck = uri;
        }

        final String path;
        final int jsessionIndex = toCheck.indexOf(";jsessionid=");

        if (jsessionIndex < 0) {
            path = toCheck;
        } else {
            path = toCheck.substring(0, jsessionIndex);
        }

        final String extension;

        final int dotIndex = path.lastIndexOf('.');
        if (dotIndex >= 0) {
            extension = path.substring(dotIndex + 1);
        } else {
            extension = null;
        }

        return extension;
    }

}