org.sakaiproject.scorm.ui.player.util.Utils.java Source code

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Here is the source code for org.sakaiproject.scorm.ui.player.util.Utils.java

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/**
 * Copyright (c) 2007 The Apereo Foundation
 *
 * Licensed under the Educational Community 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://opensource.org/licenses/ecl2
 *
 * 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.sakaiproject.scorm.ui.player.util;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.wicket.Component;
import org.apache.wicket.RequestListenerInterface;
import org.apache.wicket.behavior.IBehavior;
import org.apache.wicket.behavior.IBehaviorListener;
import org.apache.wicket.protocol.http.WebRequest;
import org.apache.wicket.util.string.Strings;

public final class Utils {

    public final static String generateUrl(IBehavior behavior, RequestListenerInterface rlix, Component component,
            boolean isRelative) {

        if (component == null)
            throw new IllegalArgumentException("Behavior must be bound to a component to create the URL");

        final RequestListenerInterface rli = IBehaviorListener.INTERFACE;

        String relativePagePath = component.urlFor(behavior, rli).toString();

        String url = null;

        if (!isRelative) {
            WebRequest webRequest = (WebRequest) component.getRequest();
            HttpServletRequest servletRequest = webRequest.getHttpServletRequest();
            //url.append(servletRequest.getContextPath()).append("/");
            //String requestUrl = servletRequest.getRequestURL().toString();
            //url = RequestUtils.toAbsolutePath(requestUrl, relativePagePath);
            String contextPath = servletRequest.getContextPath();
            String relativePath = relativePagePath.replaceAll("\\.\\.\\/", "");
            url = new StringBuilder(contextPath).append("/").append(relativePath).toString();
        } else {
            url = relativePagePath;
        }

        return url;
    }

    static String removeDoubleDots(String path) {
        List newcomponents = new ArrayList(Arrays.asList(path.split("/")));

        for (int i = 0; i < newcomponents.size(); i++) {
            if (i < newcomponents.size() - 1) {
                // Verify for a ".." component at next iteration
                if (((String) newcomponents.get(i)).length() > 0 && newcomponents.get(i + 1).equals("..")) {
                    newcomponents.remove(i);
                    newcomponents.remove(i);
                    i = i - 2;
                    if (i < -1)
                        i = -1;
                }
            }
        }
        String newpath = Strings.join("/", (String[]) newcomponents.toArray(new String[0]));
        if (path.endsWith("/"))
            return newpath + "/";
        return newpath;
    }

}