| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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.apache.wiki.url; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.wiki.api.core.Command; |
| import org.apache.wiki.api.core.ContextEnum; |
| import org.apache.wiki.api.core.Engine; |
| import org.apache.wiki.ui.CommandResolver; |
| import org.apache.wiki.util.TextUtil; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import java.nio.charset.Charset; |
| import java.util.Properties; |
| |
| |
| /** |
| * Implements the default URL constructor using links directly to the JSP pages. This is what JSPWiki by default is using. For example, |
| * WikiContext.VIEW points at "Wiki.jsp", etc. |
| * |
| * @since 2.2 |
| */ |
| public class DefaultURLConstructor implements URLConstructor { |
| |
| protected Engine m_engine; |
| |
| /** Contains the absolute path of the JSPWiki Web application without the actual servlet (which is the m_urlPrefix). */ |
| protected String m_pathPrefix = ""; |
| |
| /** |
| * |
| * {@inheritDoc} |
| */ |
| @Override |
| public void initialize( final Engine engine, final Properties properties ) { |
| m_engine = engine; |
| m_pathPrefix = engine.getBaseURL() + "/"; |
| } |
| |
| /** |
| * Does replacement of some particular variables. The variables are: |
| * |
| * <ul> |
| * <li> "%u" - inserts either the base URL (when absolute is required), or the base path (which is an absolute path without the host name). |
| * <li> "%U" - always inserts the base URL |
| * <li> "%p" - always inserts the base path |
| * <li> "%n" - inserts the page name |
| * </ul> |
| * |
| * @param baseptrn The pattern to use |
| * @param name The page name |
| * @return A replacement. |
| */ |
| protected final String doReplacement( String baseptrn, final String name ) { |
| final String baseurl = m_pathPrefix; |
| |
| baseptrn = TextUtil.replaceString( baseptrn, "%u", baseurl ); |
| baseptrn = TextUtil.replaceString( baseptrn, "%U", m_engine.getBaseURL() ); |
| baseptrn = TextUtil.replaceString( baseptrn, "%n", encodeURI(name) ); |
| baseptrn = TextUtil.replaceString( baseptrn, "%p", m_pathPrefix ); |
| |
| return baseptrn; |
| } |
| |
| /** |
| * URLEncoder returns pluses, when we want to have the percent encoding. See http://issues.apache.org/bugzilla/show_bug.cgi?id=39278 |
| * for more info. |
| * |
| * We also convert any %2F's back to slashes to make nicer-looking URLs. |
| */ |
| private String encodeURI( String uri ) { |
| uri = m_engine.encodeName(uri); |
| uri = StringUtils.replace( uri, "+", "%20" ); |
| uri = StringUtils.replace( uri, "%2F", "/" ); |
| |
| return uri; |
| } |
| |
| /** |
| * Returns the URL pattern for a supplied wiki request context. |
| * @param context the wiki context |
| * @param name the wiki page |
| * @return A pattern for replacement. |
| * @throws IllegalArgumentException if the context cannot be found |
| */ |
| public static String getURLPattern( final String context, final String name ) throws IllegalArgumentException { |
| if( context.equals( ContextEnum.PAGE_VIEW.getRequestContext() ) && name == null) { |
| // FIXME |
| return "%uWiki.jsp"; |
| } |
| |
| // Find the action matching our pattern (could throw exception) |
| final Command command = CommandResolver.findCommand( context ); |
| |
| return command.getURLPattern(); |
| } |
| |
| /** |
| * Constructs the actual URL based on the context. |
| */ |
| private String makeURL( final String context, final String name ) { |
| return doReplacement( getURLPattern( context, name ), name ); |
| } |
| |
| /** |
| * Constructs the URL with a bunch of parameters. |
| * @param parameters If null or empty, no parameters are added. |
| * |
| * {@inheritDoc} |
| */ |
| @Override |
| public String makeURL( final String context, final String name, String parameters ) { |
| if( parameters != null && parameters.length() > 0 ) { |
| if( context.equals( ContextEnum.PAGE_ATTACH.getRequestContext() ) ) { |
| parameters = "?" + parameters; |
| } else if( context.equals( ContextEnum.PAGE_NONE.getRequestContext() ) ) { |
| parameters = name.indexOf( '?' ) != -1 ? "&" : "?" + parameters; |
| } else { |
| parameters = "&" + parameters; |
| } |
| } else { |
| parameters = ""; |
| } |
| return makeURL( context, name ) + parameters; |
| } |
| |
| /** |
| * Should parse the "page" parameter from the actual request. |
| * |
| * {@inheritDoc} |
| */ |
| @Override |
| public String parsePage( final String context, final HttpServletRequest request, final Charset encoding ) { |
| String pagereq = request.getParameter( "page" ); |
| if( context.equals( ContextEnum.PAGE_ATTACH.getRequestContext() ) ) { |
| pagereq = URLConstructor.parsePageFromURL( request, encoding ); |
| } |
| |
| return pagereq; |
| } |
| |
| /** |
| * This method is not needed for the DefaultURLConstructor. |
| * |
| * @param request The HTTP Request that was used to end up in this page. |
| * @return "Wiki.jsp", "PageInfo.jsp", etc. Just return the name, JSPWiki will figure out the page. |
| */ |
| @Override |
| public String getForwardPage( final HttpServletRequest request ) { |
| return "Wiki.jsp"; |
| } |
| |
| } |