1 package de.webman.content.eventhandler; 2 3 import com.teamkonzept.web.*; 4 import com.teamkonzept.webman.*; 5 import com.teamkonzept.webman.db.TKWebmanDBManager; 6 import com.teamkonzept.webman.mainint.*; 7 import com.teamkonzept.webman.mainint.db.*; 8 import com.teamkonzept.webman.mainint.db.queries.*; 9 import com.teamkonzept.webman.mainint.events.*; 10 import com.teamkonzept.lib.*; 11 import com.teamkonzept.field.*; 12 import com.teamkonzept.field.db.*; 13 import com.teamkonzept.db.*; 14 import com.teamkonzept.web.servlet.ServletInterface; 15 16 17 import java.io.*; 18 import java.sql.*; 19 import javax.servlet.ServletContext ; 20 import javax.servlet.http.HttpServletResponse ; 21 22 23 29 public class CEMediaGetHandler extends DefaultEventHandler implements ParameterTypes, FrameConstants, DatabaseDefaults, QueryConstants 30 { 31 32 33 private CEMediaGetHandler() 34 {} 35 36 37 private static CEMediaGetHandler instance = new CEMediaGetHandler(); 38 39 40 public static CEMediaGetHandler getInstance() 41 { 42 return instance; 43 } 44 45 public void handleEvent(TKEvent evt) throws TKException 46 { 47 try 48 { 49 CEUtils.checkEvent(evt); 50 51 ServletInterface servletInterface = (ServletInterface)evt.getHttpInterface(); 52 ServletContext servletContext = servletInterface.getServletContext(); 53 HttpServletResponse response = servletInterface.getResponse(); 54 TKHashtable params = evt.getParams().getClass( PARAMETER ); 55 String mediaIDStr = (String ) params.get(TKUploadField.MEDIA_ID_PARNAME); 56 if(mediaIDStr == null || mediaIDStr.equals("")) 57 { 58 59 61 String appContext = ""; String upbase = (String )params.get("UPBASE"); 63 String filename = (String )params.get("FILENAME"); 64 String documentRoot = (String )evt.getHttpInterface().getDocumentRoot(); 65 66 String filepath = documentRoot + appContext + upbase + filename; 67 68 new File(filepath); } 70 int mediaID = (new Integer (mediaIDStr)).intValue(); 71 72 String filename = MediaManager.getMediaName(mediaID); 73 String mimeType = servletContext.getMimeType(filename!= null? filename : ""); 74 response.setContentType(mimeType); 75 76 PrintStream out = evt.getOutputStream(); 77 78 MediaManager.writeToOutputStream(out, mediaID); 79 80 evt.consume(); 81 82 } 83 catch (Throwable e) 84 { 85 throw WebmanExceptionHandler.getException(e); 87 } 88 } 89 90 public boolean isHandler(TKEvent evt) 91 { 92 return evt.getName().equalsIgnoreCase("CE_MEDIA_GET"); 93 } 94 } 95 | Popular Tags |