source/mircoders/producer/Producer.java

   1 package mircoders.producer;
   2
   3 import java.io.*;
   4
   5 import freemarker.template.*;
   6
   7 import mir.misc.*;
   8 import mir.storage.*;
   9 import mir.module.*;
  10
  11 import mircoders.module.*;
  12 import mircoders.entity.*;
  13 import mircoders.storage.*;
  14
  15 abstract public class Producer {
  16
  17   protected static String   producerDocRoot = MirConfig.getProp("Producer.DocRoot");
  18   protected static String   producerStorageRoot = MirConfig.getProp("Producer.StorageRoot");
  19   protected static String   producerProductionHost = MirConfig.getProp("Producer.ProductionHost");
  20   protected static String   producerOpenAction = MirConfig.getProp("Producer.OpenAction");;
  21
  22   /** @todo same as in HTMLTemplateProcessor, this should be dynamically set */
  23   protected static String   actionRoot = MirConfig.getProp("RootUri") + "/servlet/Mir";
  24
  25   protected static Logfile theLog = Logfile.getInstance(MirConfig.getProp("Home") + "/" + MirConfig.getProp("Producer.Logfile"));
  26   protected static ModuleTopics         topicsModule;
  27   protected static ModuleLinksImcs      linksImcsModule;
  28   protected static ModuleSchwerpunkt    schwerpunktModule;
  29   protected static ModuleFeature        featureModule;
  30   protected static ModuleContent        contentModule;
  31   protected static ModuleImages         imageModule;
  32   protected static ModuleUploadedMedia  uploadedMediaModule;
  33
  34   static {
  35                 // init
  36     try {
  37
  38       contentModule = new ModuleContent(DatabaseContent.getInstance());
  39       topicsModule = new ModuleTopics(DatabaseTopics.getInstance());
  40       linksImcsModule = new ModuleLinksImcs(DatabaseLinksImcs.getInstance());
  41       schwerpunktModule = new ModuleSchwerpunkt(DatabaseFeature.getInstance());
  42       featureModule = new ModuleFeature(DatabaseFeature.getInstance());
  43       imageModule = new ModuleImages(DatabaseImages.getInstance());
  44       uploadedMediaModule = new ModuleUploadedMedia(DatabaseImages.getInstance());
  45
  46     }
  47     catch(StorageObjectException e)
  48     {
  49       System.err.println("*** failed to initialize Producer " + e.toString());
  50     }
  51   }
  52
  53         public void handle(PrintWriter htmlout, EntityUsers user)
  54                 throws StorageObjectException, ModuleException {
  55                 handle(htmlout,user,false,false);
  56         }
  57
  58         abstract public void handle(PrintWriter htmlout, EntityUsers user, boolean forced, boolean sync)
  59                 throws StorageObjectException, ModuleException;
  60
  61 //
  62 // Methods for producing files
  63
  64         public boolean produce(String template, String filename, TemplateModelRoot model, PrintWriter htmlout) {
  65                 return _produce(template, filename, model, htmlout, false);
  66         }
  67
  68         public boolean produce_compressed(String template, String filename, TemplateModelRoot model, PrintWriter htmlout) {
  69                 return _produce(template, filename, model, htmlout, true);
  70         }
  71
  72         private boolean _produce(String template, String filename, TemplateModelRoot model, PrintWriter htmlout, boolean compressed) {
  73                 try {
  74                         File f = new File(producerStorageRoot + filename);
  75                         File dir = new File(f.getParent());
  76                         dir.mkdirs();
  77                         FileWriter outputFile = new FileWriter(f);
  78                         PrintWriter outStream;
  79                         if (compressed==true) {
  80                                 outStream = new LineFilterWriter(outputFile);
  81                         } else {
  82                                 outStream = new PrintWriter(outputFile);
  83                         }
  84
  85                         HTMLTemplateProcessor.process(null,template, model, outStream);
  86                         outputFile.close();
  87                         outStream.close();
  88
  89                         printHTML(htmlout, "Produced <a href=\"" + producerProductionHost+  filename + "\">" + filename + "</a>");
  90                         //theLog.printInfo("Produced: " + producerStorageRoot + filename);
  91                         //theLog.printDebugInfo("free mem:" + java.lang.Runtime.getRuntime().freeMemory());
  92       //theLog.printDebugInfo("total mem:" + java.lang.Runtime.getRuntime().totalMemory());
  93                         return true;
  94
  95                 } catch(IOException exception){
  96                         logHTML(htmlout, "Producer: File could not be written " + filename);
  97                         return false;
  98                 } catch(HTMLParseException exception){
  99                         logHTML(htmlout,"Producer: Error in HTML-parsing: " + filename);
 100                         return false;
 101                 }
 102         }
 103
 104         public boolean produceFile(String filename, byte[] in, PrintWriter htmlout, boolean icon) {
 105
 106                 boolean retVal = false;
 107
 108                 if (in!=null) {
 109                         try {
 110         File f = null;
 111         if(icon==false){
 112           f = new File(filename);
 113           theLog.printDebugInfo("image: " + filename);
 114         } else {
 115           f = new File(producerStorageRoot + filename);
 116           theLog.printDebugInfo("icon: " + filename);
 117         }
 118                                 File dir = new File(f.getParent());
 119                                 dir.mkdirs();
 120
 121                                 FileOutputStream outStream;
 122                                 outStream = new FileOutputStream(f);
 123                                 outStream.write(in);
 124                                 outStream.close();
 125                                 retVal = true;
 126                         } catch(IOException exception) {
 127         logHTML(htmlout, "Producer: File could not be written: " + filename);
 128       }
 129                 }
 130                 return retVal;
 131         }
 132
 133
 134
 135         //
 136         // filename methods
 137
 138         public String indexFileNameForPageCount(int pc) {
 139                 return fileNameForPageCount("/index", pc);
 140         }
 141
 142         public String fileNameForPageCount(String stub, int pc) {
 143                 String fileName = producerDocRoot + stub;
 144                 if (pc>1) {
 145                         fileName+=pc;
 146                 }
 147                 fileName += ".html";
 148                 return fileName;
 149         }
 150
 151         /**
 152          * logging
 153          */
 154         public void logHTML(PrintWriter out, String s) {
 155                 _print(out, s, true);
 156         }
 157
 158         public void printHTML(PrintWriter out, String s) {
 159                 _print(out, s, false);
 160         }
 161
 162         private void _print(PrintWriter out, String s, boolean log) {
 163                 if (out != null) { out.println(s+"<br>");out.flush(); }
 164                 if (log == true) {
 165                         theLog.printInfo(s);
 166                 }
 167         }
 168
 169 }