| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. 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. For additional information regarding |
| * copyright in this work, please see the NOTICE file in the top level |
| * directory of this distribution. |
| */ |
| |
| package org.apache.roller.weblogger.ui.rendering.util; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.net.URLDecoder; |
| import javax.servlet.http.HttpServletRequest; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.roller.weblogger.WebloggerException; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.business.WeblogEntryManager; |
| import org.apache.roller.weblogger.pojos.WeblogEntry; |
| |
| |
| /** |
| * Represents a request to post a weblog entry trackback. |
| */ |
| public class WeblogTrackbackRequest extends WeblogRequest { |
| |
| private static Log log = LogFactory.getLog(WeblogTrackbackRequest.class); |
| |
| private static final String TRACKBACK_SERVLET = "/roller-ui/rendering/trackback"; |
| |
| // lightweight attributes |
| private String blogName = null; |
| private String url = null; |
| private String excerpt = null; |
| private String title = null; |
| private String weblogAnchor = null; |
| |
| // heavyweight attributes |
| private WeblogEntry weblogEntry = null; |
| |
| |
| public WeblogTrackbackRequest() {} |
| |
| |
| public WeblogTrackbackRequest(HttpServletRequest request) |
| throws InvalidRequestException { |
| |
| // let our parent take care of their business first |
| // parent determines weblog handle and locale if specified |
| super(request); |
| |
| String servlet = request.getServletPath(); |
| |
| // we only want the path info left over from after our parents parsing |
| String pathInfo = this.getPathInfo(); |
| |
| // was this request bound for the comment servlet? |
| if(servlet == null || !TRACKBACK_SERVLET.equals(servlet)) { |
| throw new InvalidRequestException("not a weblog trackback request, "+ |
| request.getRequestURL()); |
| } |
| |
| |
| /* |
| * parse path info. we expect ... |
| * |
| * /entry/<anchor> - permalink |
| */ |
| if(pathInfo != null && pathInfo.trim().length() > 0) { |
| |
| // we should only ever get 2 path elements |
| String[] pathElements = pathInfo.split("/"); |
| if(pathElements.length == 2) { |
| |
| String context = pathElements[0]; |
| if("entry".equals(context)) { |
| try { |
| this.weblogAnchor = |
| URLDecoder.decode(pathElements[1], "UTF-8"); |
| } catch (UnsupportedEncodingException ex) { |
| // should never happen |
| log.error(ex); |
| } |
| |
| } else { |
| throw new InvalidRequestException("bad path info, "+ |
| request.getRequestURL()); |
| } |
| |
| } else { |
| throw new InvalidRequestException("bad path info, "+ |
| request.getRequestURL()); |
| } |
| |
| } else { |
| // bad request |
| throw new InvalidRequestException("bad path info, "+ |
| request.getRequestURL()); |
| } |
| |
| |
| /* |
| * parse request parameters |
| * |
| * the only params we currently care about are: |
| * blog_name - comment author |
| * url - comment referring url |
| * excerpt - comment contents |
| * title - comment title |
| */ |
| if(request.getParameter("blog_name") != null) { |
| this.blogName = request.getParameter("blog_name"); |
| } |
| |
| if(request.getParameter("url") != null) { |
| this.url = request.getParameter("url"); |
| } |
| |
| if(request.getParameter("excerpt") != null) { |
| this.excerpt = request.getParameter("excerpt"); |
| } |
| |
| if(request.getParameter("title") != null) { |
| this.title = request.getParameter("title"); |
| } |
| |
| // a little bit of validation, trackbacks enforce that all params |
| // must have a value, so any nulls equals a bad request |
| if(this.blogName == null || this.url == null || |
| this.excerpt == null || this.title == null) { |
| throw new InvalidRequestException("bad request data. did not "+ |
| "receive values for all trackback params (blog_name, url, excerpt, title)"); |
| } |
| |
| if(log.isDebugEnabled()) { |
| log.debug("name = "+this.blogName); |
| log.debug("url = "+this.url); |
| log.debug("excerpt = "+this.excerpt); |
| log.debug("title = "+this.title); |
| log.debug("weblogAnchor = "+this.weblogAnchor); |
| } |
| } |
| |
| public String getBlogName() { |
| return blogName; |
| } |
| |
| public void setBlogName(String blogName) { |
| this.blogName = blogName; |
| } |
| |
| public String getUrl() { |
| return url; |
| } |
| |
| public void setUrl(String url) { |
| this.url = url; |
| } |
| |
| public String getExcerpt() { |
| return excerpt; |
| } |
| |
| public void setExcerpt(String excerpt) { |
| this.excerpt = excerpt; |
| } |
| |
| public String getTitle() { |
| return title; |
| } |
| |
| public void setTitle(String title) { |
| this.title = title; |
| } |
| |
| public String getWeblogAnchor() { |
| return weblogAnchor; |
| } |
| |
| public void setWeblogAnchor(String weblogAnchor) { |
| this.weblogAnchor = weblogAnchor; |
| } |
| |
| public WeblogEntry getWeblogEntry() { |
| |
| if(weblogEntry == null && weblogAnchor != null) { |
| try { |
| WeblogEntryManager wmgr = WebloggerFactory.getWeblogger().getWeblogEntryManager(); |
| weblogEntry = wmgr.getWeblogEntryByAnchor(getWeblog(), weblogAnchor); |
| } catch (WebloggerException ex) { |
| log.error("Error getting weblog entry "+weblogAnchor, ex); |
| } |
| } |
| |
| return weblogEntry; |
| } |
| |
| public void setWeblogEntry(WeblogEntry weblogEntry) { |
| this.weblogEntry = weblogEntry; |
| } |
| |
| } |