From 584d43273547cb99ff7e26867945323280442bc5 Mon Sep 17 00:00:00 2001
From: ulrich@undisclosed
Date: Sat, 18 Apr 2020 09:27:16 +0000
Subject: [PATCH] MarkdownServlet der Datenvorlage hinzugefuegt

---
 src/java/de/uhilger/filecms/api/FileMgr.java |  214 +++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 206 insertions(+), 8 deletions(-)

diff --git a/src/java/de/uhilger/filecms/api/FileMgr.java b/src/java/de/uhilger/filecms/api/FileMgr.java
index 2b8b985..f2bf1cc 100644
--- a/src/java/de/uhilger/filecms/api/FileMgr.java
+++ b/src/java/de/uhilger/filecms/api/FileMgr.java
@@ -21,8 +21,16 @@
 import de.uhilger.filecms.data.FileRef;
 import de.uhilger.filecms.pub.AbstractComparator;
 import de.uhilger.filecms.pub.FileNameComparator;
+import de.uhilger.filecms.pub.ImgFileFilter;
 import de.uhilger.wbx.Bild;
+import de.uhilger.wbx.WbxUtils;
+import static de.uhilger.wbx.WbxUtils.EMPTY_STRING;
+import static de.uhilger.wbx.WbxUtils.WBX_FILE_BASE;
+import de.uhilger.wbx.data.Inhalt;
+import de.uhilger.wbx.web.TNServlet;
 import java.io.File;
+import java.io.FileFilter;
+import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.FileReader;
@@ -33,25 +41,33 @@
 import java.security.Principal;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
 import java.util.Enumeration;
 import java.util.Iterator;
 import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import java.util.zip.Adler32;
+import java.util.zip.CheckedOutputStream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
+import java.util.zip.ZipOutputStream;
+import javax.servlet.http.HttpServletRequest;
 import net.coobird.thumbnailator.Thumbnails;
 import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.filefilter.WildcardFileFilter;
 
 /**
  * Methoden zur Verwaltung von Dateien
  */
 public class FileMgr extends Api {
   private static final Logger logger = Logger.getLogger(FileMgr.class.getName());
-  
-  
+    
   public static final int OP_COPY = 1;
   public static final int OP_MOVE = 2;
+  
+  public static final String DOT = ".";
   
   public String hallo() {
     return "Hallo Welt!";
@@ -113,7 +129,7 @@
         logger.fine("listing path: " + path);
         File dir = new File(path);
         if (dir.exists()) {
-          File[] fileArray = dir.listFiles();
+          File[] fileArray = dir.listFiles(new ImgFileFilter());
           if (orderBy != null && orderBy.equalsIgnoreCase("name")) {
             Arrays.sort(fileArray, new FileNameComparator(order));
           } else {
@@ -139,7 +155,15 @@
     }
     return files;
   }
-  
+
+  public List<Inhalt> collect(String relativePath, int maxTiefe, int maxAnzahl, int len) {
+    
+    WbxUtils wu = new WbxUtils();
+    HttpServletRequest req = getRequest();
+    String requestUrl = req.getRequestURL().toString();
+    String contextPath = req.getContextPath();
+    return wu.collectFiles(requestUrl, contextPath, relativePath, maxTiefe, maxAnzahl, len);
+  }
   
   public FileRef newFolder(String relPath, String folderName) {
     if (!relPath.startsWith(".")) {
@@ -201,18 +225,60 @@
     if (!relPath.startsWith(".")) {
       File targetDir = getTargetDir(relPath);
       File file = new File(targetDir, fname);
-      file.renameTo(new File(targetDir, newName));
+      if(fname.endsWith(TNServlet.JPEG) || fname.endsWith(TNServlet.JPG) || fname.endsWith(TNServlet.PNG)) {
+        renameImgFiles(targetDir, file, newName);  
+      } else {
+        file.renameTo(new File(targetDir, newName));
+      }
       return fname + " umbenannt zu " + newName;
     } else {
       return "Pfad nicht erlaubt.";
     }
   }
   
+  public void renameImgFiles(File targetDir, File targetFile, String newName) {
+    String alt;
+    String neu;
+    
+    int newdotpos = newName.lastIndexOf(DOT);
+    String newfname = newName.substring(0, newdotpos);
+    String newext = newName.substring(newdotpos);
+    logger.fine("newfname: " + newfname + ", newext: " + newext);
+    
+    String fnameext = targetFile.getName();
+    int dotpos = fnameext.lastIndexOf(DOT);
+    String fname = fnameext.substring(0, dotpos);
+    String ext = fnameext.substring(dotpos);
+    logger.fine("fname: " + fname + ", ext: " + ext);
+    
+    FileFilter fileFilter = new WildcardFileFilter(fname + "*" + ext);
+    File[] files = targetDir.listFiles(fileFilter);
+    for (int i = 0; i < files.length; i++) {
+      alt = files[i].getName();
+      logger.fine("alt: " + alt);
+      if(alt.contains(TNServlet.TN)) {
+        neu = newfname + TNServlet.TN + newext;
+      } else if (alt.contains(TNServlet.KL)) {
+        neu = newfname + TNServlet.KL + newext;
+      } else if(alt.contains(TNServlet.GR)) {
+        neu = newfname + TNServlet.GR + newext;
+      } else if(alt.contains(TNServlet.MT)) {
+        neu = newfname + TNServlet.MT + newext;
+      } else if(alt.contains(TNServlet.SM)) {
+        neu = newfname + TNServlet.SM + newext;
+      } else {
+        neu = newName;
+      }
+      files[i].renameTo(new File(targetDir, neu));        
+      logger.fine("neu: " + neu);
+    }      
+  }
+  
   public String deleteFiles(String relPath, List fileNames) {
     String result = null;
     try {
       logger.fine(fileNames.toString());
-      if (!relPath.startsWith(".")) {
+      if (!relPath.startsWith(DOT)) {
         File targetDir = getTargetDir(relPath);
         for(int i=0; i < fileNames.size(); i++) {
           Object o = fileNames.get(i);
@@ -224,7 +290,17 @@
             if(targetFile.isDirectory()) {
               FileUtils.deleteDirectory(targetFile);
             } else {
-              targetFile.delete();
+                /*
+                Wenn targetFile mit jpg, jpeg oder png endet, 
+                muss eine Unterfunktion eine Liste aller Dateien bilden, 
+                die so heissen, also z.B. alle [Dateiname]*.jpg
+                */
+              String fname = targetFile.getName().toLowerCase();
+              if(fname.endsWith(TNServlet.JPEG) || fname.endsWith(TNServlet.JPG) || fname.endsWith(TNServlet.PNG)) {
+                deleteImgFiles(targetDir, targetFile);  
+              } else {
+                targetFile.delete();
+              }
             }
           }
         }
@@ -234,6 +310,20 @@
       logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
     }
     return result;
+  }
+  
+  public void deleteImgFiles(File targetDir, File targetFile) {
+    String fnameext = targetFile.getName();
+    int dotpos = fnameext.lastIndexOf(DOT);
+    String fname = fnameext.substring(0, dotpos);
+    String ext = fnameext.substring(dotpos);
+    logger.fine("fname: " + fname + ", ext: " + ext);
+    FileFilter fileFilter = new WildcardFileFilter(fname + "*" + ext);
+    File[] files = targetDir.listFiles(fileFilter);
+    for (int i = 0; i < files.length; i++) {
+        logger.fine(files[i].getName());
+        files[i].delete();
+    }      
   }
   
   public String copyFiles(String fromPath, String toPath, List fileNames) {
@@ -264,7 +354,12 @@
               }
             } else {
               if(operation == OP_MOVE) {
-                FileUtils.moveFileToDirectory(srcFile, targetDir, false);
+                String fname = srcFile.getName().toLowerCase();                
+                if(fname.endsWith(TNServlet.JPEG) || fname.endsWith(TNServlet.JPG) || fname.endsWith(TNServlet.PNG)) {
+                  moveImgFilesToDirectory(srcFile, srcDir, targetDir, false);
+                } else {
+                  FileUtils.moveFileToDirectory(srcFile, targetDir, false);
+                }
               } else {
                 FileUtils.copyFileToDirectory(srcFile, targetDir);              
               }
@@ -276,6 +371,20 @@
       logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
     }
     return result;
+  }
+  
+  private void moveImgFilesToDirectory(File srcFile, File srcDir, File targetDir, boolean createDestDir) throws IOException {
+    String fnameext = srcFile.getName();
+    int dotpos = fnameext.lastIndexOf(DOT);
+    String fname = fnameext.substring(0, dotpos);
+    String ext = fnameext.substring(dotpos);
+    logger.fine("fname: " + fname + ", ext: " + ext);
+    FileFilter fileFilter = new WildcardFileFilter(fname + "*" + ext);
+    File[] files = srcDir.listFiles(fileFilter);
+    for (int i = 0; i < files.length; i++) {
+      logger.fine(files[i].getName());
+      FileUtils.moveFileToDirectory(files[i], targetDir, createDestDir);
+    }      
   }
   
   public FileRef saveTextFileAs(String relPath, String fileName, String contents) {
@@ -447,6 +556,9 @@
       return "Pfad micht erlaubt.";
     }
   }
+  
+  /* --------- ZIP entpacken ---------------- */
+  
   public String extractZipfile(String relPath, String filename) {
     String result = null;
     if (!relPath.startsWith(".")) {    
@@ -511,6 +623,92 @@
 		}
 	}
 
+  /* ------------- Ornder als ZIP packen --------------- */
+  
+  public String packFolder(String relPath) {
+    if (!relPath.startsWith(".")) {    
+      try {
+        File targetDir = getTargetDir(relPath);
+        File parentDir = targetDir.getParentFile();
+        StringBuffer fname = new StringBuffer();
+        fname.append(targetDir.getName());
+        fname.append(".zip");
+        File archiveFile = new File(parentDir, fname.toString());
+        FileRef folderToPack = new FileRef(targetDir.getAbsolutePath());
+        FileRef archive = new FileRef(archiveFile.getAbsolutePath());
+        pack(folderToPack, archive);
+        return "ok";
+      } catch(Exception ex) {
+        String result = ex.getLocalizedMessage();
+        logger.log(Level.SEVERE, result, ex);
+        return result;
+      }
+    } else {
+      return "Falsche relative Pfadangabe";
+    }
+  }
+  
+	/**
+	 * pack the contents of a given folder into a new ZIP compressed archive
+	 * @param folder  the folder to pack
+	 * @param archive  the archive to create from the given files
+	 * @throws Exception
+	 */
+	private boolean pack(FileRef folder, FileRef archive) throws Exception {
+		File file = new File(archive.getAbsolutePath());
+		FileOutputStream fos = new FileOutputStream(file);
+		CheckedOutputStream checksum = new CheckedOutputStream(fos, new Adler32());
+		ZipOutputStream zos = new ZipOutputStream(checksum);
+		pack(zos, folder.getAbsolutePath(), "");
+		zos.flush();
+		zos.finish();
+		zos.close();
+		fos.flush();
+		fos.close();
+		return true;
+	}
+
+	/**
+	 * go through the given file structure recursively
+	 * @param zipFile  the ZIP file to write to
+	 * @param srcDir  the directory to pack during this cycle
+	 * @param subDir  the subdirectory to append to names of file entries inside the archive
+	 * @throws IOException
+	 */
+	private void pack(ZipOutputStream zipFile, String srcDir, String subDir) throws IOException {
+		File[] files = new File(srcDir).listFiles();
+		for(int i = 0; i < files.length; i++) {
+			if(files[i].isDirectory()) {
+				pack(zipFile, files[i].getAbsolutePath(), subDir + File.separator + files[i].getName());
+			}
+			else {
+				packFile(zipFile, subDir, files[i]);
+			}
+		}
+	}
+
+	/**
+	 * pack a given file
+	 * @param zipFile  the ZIP archive to pack to
+	 * @param dir  the directory name to append to name of file entry inside archive
+	 * @param file  the file to pack
+	 * @throws IOException
+	 */
+	private void packFile(ZipOutputStream zipFile, String dir, File file) throws IOException
+	{
+		FileInputStream fileinputstream = new FileInputStream(file);
+		byte buf[] = new byte[fileinputstream.available()];
+		fileinputstream.read(buf);
+		String dirWithSlashes = dir.replace('\\', '/');
+		//System.out.println("zipping " + dirWithSlashes + "/" + file.getName());
+		ZipEntry ze = new ZipEntry(dirWithSlashes + "/" + file.getName());
+		ze.setMethod(ZipEntry.DEFLATED);
+		zipFile.putNextEntry(ze);
+		zipFile.write(buf, 0, buf.length);
+		zipFile.closeEntry();
+		fileinputstream.close();
+	}
+
   
 
   /* ---- Hilfsfunktionen ---- */

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