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