From 74fab1c53fd3850bf0fd075c93622f14ad8dbe30 Mon Sep 17 00:00:00 2001 From: ulrich Date: Wed, 06 Jan 2021 23:03:51 +0000 Subject: [PATCH] null pruefung hinzugefuegt --- src/java/de/uhilger/filecms/api/FileMgr.java | 756 +++++++++++++++++++++++++++++++++++++++++++++++---------- 1 files changed, 622 insertions(+), 134 deletions(-) diff --git a/src/java/de/uhilger/filecms/api/FileMgr.java b/src/java/de/uhilger/filecms/api/FileMgr.java index 78ac92d..02a0029 100644 --- a/src/java/de/uhilger/filecms/api/FileMgr.java +++ b/src/java/de/uhilger/filecms/api/FileMgr.java @@ -18,140 +18,449 @@ package de.uhilger.filecms.api; -import de.uhilger.filecms.web.Initialiser; -import de.uhilger.filesystem.FileRef; -import de.uhilger.filesystem.FileSystem; -import de.uhilger.filesystem.LocalFileSystem; +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; import java.io.FileWriter; import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.Reader; +import java.nio.charset.Charset; 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; /** - * - * @author ulrich + * 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 PUB_DIR_PATH = "www/"; - public static final String HOME_DIR_PATH = "home/"; - public static final String PUB_DIR_NAME = "Oeffentlich"; - public static final String HOME_DIR_NAME = "Persoenlicher Ordner"; + public static final String DOT = "."; public String hallo() { return "Hallo Welt!"; } + /** + * Inhalte der WebBox listen. Hier wird nur der relative Pfad + * ausgehend von www oder home ausgegeben sowie zudem ausgehend + * von $daten und $basis, sofern der Benutzer die Rolle wbxAdmin hat. + * + * Andere Inhalte werden nicht ausgegeben. + * + * @param relPath + * @return + */ public List<FileRef> list(String relPath) { + return listInt(relPath, "name", AbstractComparator.ORDER_ASC); + } + + public List<FileRef> listOrdered(String relPath, String orderBy, String order) { + return listInt(relPath, orderBy, order); + } + + /** + * Inhalte der WebBox listen. Hier wird nur der relative Pfad + * ausgehend von www oder home ausgegeben sowie zudem ausgehend + * von $daten und $basis, sofern der Benutzer die Rolle wbxAdmin hat. + * + * Andere Inhalte werden nicht ausgegeben. + * + * @param relPath + * @param orderBy 'name' + * @param order AbstractComparator.ORDER_ASC oder AbstractComparator.ORDER_DESC + * @return + */ + private List<FileRef> listInt(String relPath, String orderBy, String order) { + Bild bild = new Bild(); List<FileRef> files = new ArrayList(); - if(relPath.length() == 0) { - FileRef namedPublicFolder = new FileRef(PUB_DIR_NAME, true); - logger.finer(namedPublicFolder.getAbsolutePath()); - FileRef namedHomeFolder = new FileRef(HOME_DIR_NAME, true); - logger.finer(namedHomeFolder.getAbsolutePath()); - files = new ArrayList(); - files.add(namedHomeFolder); - files.add(namedPublicFolder); - } else { - String path = getTargetDir(relPath).getAbsolutePath(); - logger.fine(path); - LocalFileSystem fs = new LocalFileSystem(); - FileRef[] fileRefs = fs.list(new FileRef(getTargetDir(relPath).getAbsolutePath(), true)); - for(int i = 0; i < fileRefs.length; i++) { - files.add(fileRefs[i]); - logger.finer("added " + fileRefs[i].getAbsolutePath()); + if (!relPath.startsWith(".") && !relPath.contains("WEB-INF") && !relPath.contains("META-INF")) { + if (relPath.length() == 0) { + FileRef namedPublicFolder = new FileRef(PUB_DIR_NAME, true); + logger.finer(namedPublicFolder.getAbsolutePath()); + FileRef namedHomeFolder = new FileRef(HOME_DIR_NAME, true); + logger.finer(namedHomeFolder.getAbsolutePath()); + FileRef namedDavFolder = new FileRef(DAV_DIR_NAME, true); + logger.finer(namedDavFolder.getAbsolutePath()); + files = new ArrayList(); + files.add(namedHomeFolder); + files.add(namedPublicFolder); + files.add(namedDavFolder); + if (getRequest().isUserInRole(WBX_ADMIN_ROLE)) { + FileRef namedBaseFolder = new FileRef(WBX_BASE, true); + FileRef namedDataFolder = new FileRef(WBX_DATA, true); + files.add(namedBaseFolder); + files.add(namedDataFolder); + } + } else { + String path = getTargetDir(relPath).getAbsolutePath(); + logger.fine("listing path: " + path); + File dir = new File(path); + if (dir.exists()) { + File[] fileArray = dir.listFiles(new ImgFileFilter()); + if (orderBy != null && orderBy.equalsIgnoreCase("name")) { + Arrays.sort(fileArray, new FileNameComparator(order)); + } else { + Arrays.sort(fileArray, new FileNameComparator(AbstractComparator.ORDER_ASC)); + } + for (int i = 0; i < fileArray.length; i++) { + logger.fine(fileArray[i].toURI().toString()); + String fname = fileArray[i].toURI().toString().replace("file:/", ""); + if (fileArray[i].isDirectory()) { + fname = fname.substring(0, fname.length() - 1); + } + logger.fine(fname); + if(!fname.contains("WEB-INF") && !fname.contains("META-INF")) { + long fLen = fileArray[i].length(); + long lastMod = fileArray[i].lastModified(); + FileRef ref = new FileRef(fname, fileArray[i].isDirectory(), fileArray[i].isHidden(), lastMod, fLen); + ref.setMimetype(bild.getMimeType(fileArray[i])); + files.add(ref); + } + } + } } - } + } 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) { - logger.finer(relPath); - String targetPath = null; - if(relPath.startsWith(PUB_DIR_NAME)) { - targetPath = PUB_DIR_PATH + getUserName() + "/" + relPath.substring(PUB_DIR_NAME.length()) + "/" + folderName; - } else if(relPath.startsWith(HOME_DIR_NAME)) { - targetPath = HOME_DIR_PATH + getUserName() + "/" + relPath.substring(HOME_DIR_NAME.length()) + "/" + folderName; + if (!relPath.startsWith(".")) { + logger.finer(relPath); + String targetPath = null; + if(relPath.startsWith(PUB_DIR_NAME)) { + targetPath = PUB_DIR_PATH + getUserName() + "/" + relPath.substring(PUB_DIR_NAME.length()) + "/" + folderName; + } else if(relPath.startsWith(HOME_DIR_NAME)) { + targetPath = HOME_DIR_PATH + getUserName() + "/" + relPath.substring(HOME_DIR_NAME.length()) + "/" + folderName; + } else { + // kann eigentlich nicht sein.. + } + logger.finer(targetPath); + File targetDir = new File(getBase().getAbsolutePath(), targetPath); + targetDir.mkdirs(); + return new FileRef(targetDir.getAbsolutePath(), true); } else { - // kann eigentlich nicht sein.. + return null; } - logger.finer(targetPath); - File targetDir = new File(getBase().getAbsolutePath(), targetPath); - targetDir.mkdirs(); - return new FileRef(targetDir.getAbsolutePath(), true); } public String getCode(String relPath, String fileName) { String code = null; - - Object p = getRequest().getUserPrincipal(); - if(p instanceof Principal) { - FileReader reader = null; - try { - File targetFile = new File(getTargetDir(relPath), fileName); - reader = new FileReader(targetFile); - StringBuffer buf = new StringBuffer(); - char[] readBuffer = new char[1024]; - int charsRead = reader.read(readBuffer); - while(charsRead > -1) { - buf.append(readBuffer, 0, charsRead); - charsRead = reader.read(readBuffer); - } - code = buf.toString(); - } catch (FileNotFoundException ex) { - Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex); - } catch (IOException ex) { - Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex); - } finally { + if (!relPath.startsWith(".")) { + Object p = getRequest().getUserPrincipal(); + if (p instanceof Principal) { + Reader reader = null; try { - reader.close(); + File targetFile = new File(getTargetDir(relPath), fileName); + + reader = new InputStreamReader(new FileInputStream(targetFile), "UTF8"); + //reader = new FileReader(targetFile); + StringBuffer buf = new StringBuffer(); + char[] readBuffer = new char[1024]; + int charsRead = reader.read(readBuffer); + while (charsRead > -1) { + buf.append(readBuffer, 0, charsRead); + charsRead = reader.read(readBuffer); + } + code = buf.toString(); + } catch (FileNotFoundException ex) { + Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex); } catch (IOException ex) { Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex); + } finally { + try { + reader.close(); + } catch (IOException ex) { + Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex); + } } + } - - } - + } return code; + } + + public String renameFile(String relPath, String fname, String newName) { + if (!relPath.startsWith(".")) { + File targetDir = getTargetDir(relPath); + File file = new File(targetDir, fname); + 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 { - FileRef[] delRefs = new FileRef[fileNames.size()]; logger.fine(fileNames.toString()); - File targetDir = getTargetDir(relPath); - for(int i=0; i < fileNames.size(); i++) { - Object o = fileNames.get(i); - if(o instanceof ArrayList) { - ArrayList al = (ArrayList) o; - logger.fine(al.get(0).toString()); - File targetFile = new File(targetDir, al.get(0).toString()); - logger.fine(targetFile.getAbsolutePath()); - delRefs[i] = new FileRef(targetFile.getAbsolutePath(), targetFile.isDirectory()); + if (!relPath.startsWith(DOT)) { + File targetDir = getTargetDir(relPath); + for(int i=0; i < fileNames.size(); i++) { + Object o = fileNames.get(i); + if(o instanceof ArrayList) { + ArrayList al = (ArrayList) o; + logger.fine(al.get(0).toString()); + File targetFile = new File(targetDir, al.get(0).toString()); + logger.fine(targetFile.getAbsolutePath()); + if(targetFile.isDirectory()) { + FileUtils.deleteDirectory(targetFile); + } else { + /* + 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(); + } + } + } } + result = "deleted"; } - FileSystem fs = new LocalFileSystem(); - fs.delete(delRefs); - result = "deleted"; } catch (Throwable ex) { logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); } return result; } - public FileRef saveTextFile(String relPath, String fileName, String contents) { + 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) { + return copyOrMoveFiles(fromPath, toPath, fileNames, OP_COPY); + } + + public String moveFiles(String fromPath, String toPath, List fileNames) { + return copyOrMoveFiles(fromPath, toPath, fileNames, OP_MOVE); + } + + private String copyOrMoveFiles(String fromPath, String toPath, List fileNames, int operation) { + String result = null; + try { + if (!fromPath.startsWith(".")) { + File srcDir = getTargetDir(fromPath); + File targetDir = getTargetDir(toPath); + Iterator i = fileNames.iterator(); + while(i.hasNext()) { + Object o = i.next(); + if (o instanceof ArrayList) { + ArrayList al = (ArrayList) o; + File srcFile = new File(srcDir, al.get(0).toString()); + if(srcFile.isDirectory()) { + if(operation == OP_MOVE) { + FileUtils.moveDirectoryToDirectory(srcFile, targetDir, false); + } else { + FileUtils.copyDirectoryToDirectory(srcFile, targetDir); + } + } else { + if(operation == OP_MOVE) { + 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); + } + } + } + } + } + } catch (IOException ex) { + 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) { + FileRef savedFile = null; + logger.fine(relPath + " " + fileName); + if (!relPath.startsWith(".")) { + //FileRef datenRef = getBase(); + Object p = getRequest().getUserPrincipal(); + if(p instanceof Principal) { + File targetFile = new File(getTargetDir(relPath), fileName); + if(targetFile.exists()) { + targetFile = getNewFileName(targetFile); + } else { + targetFile.getParentFile().mkdirs(); + } + saveToFile(targetFile, contents); + } + } + return savedFile; + } + + private File getNewFileName(File file) { + File dir = file.getParentFile(); + String targetName = file.getName(); + logger.fine("targetName: " + targetName); + String ext = ""; + int dotpos = targetName.indexOf("."); + if(dotpos > -1) { + ext = targetName.substring(dotpos); + targetName = targetName.substring(0, dotpos); + } + logger.fine("targetName: " + targetName + ", ext: " + ext); + int i = 1; + while(file.exists()) { + StringBuffer buf = new StringBuffer(); + buf.append(targetName); + buf.append("-"); + buf.append(i); + if(ext.length() > 0) { + buf.append(ext); + } + file = new File(dir, buf.toString()); + i++; + } + logger.fine("new file: " + file.getName()); + return file; + } + + private FileRef saveToFile(File targetFile, String contents) { FileRef savedFile = null; try { - FileRef datenRef = getBase(); - //File daten = new File(datenRef.getAbsolutePath()); + targetFile.createNewFile(); + FileWriter w = new FileWriter(targetFile, Charset.forName("UTF-8")); + //w.write(StringEscapeUtils.unescapeHtml(contents)); + w.write(contents); + w.flush(); + w.close(); + savedFile = new FileRef( + targetFile.getAbsolutePath(), + targetFile.isDirectory(), + targetFile.isHidden(), + targetFile.lastModified(), + targetFile.length()); + } catch (IOException ex) { + logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); + } + return savedFile; + } + + public FileRef saveTextFile(String relPath, String fileName, String contents) { + FileRef savedFile = null; + logger.fine(relPath + " " + fileName); + if (!relPath.startsWith(".")) { + //FileRef datenRef = getBase(); Object p = getRequest().getUserPrincipal(); if(p instanceof Principal) { File targetFile = new File(getTargetDir(relPath), fileName); @@ -166,65 +475,244 @@ } else { targetFile.getParentFile().mkdirs(); } - targetFile.createNewFile(); - FileWriter w = new FileWriter(targetFile); - w.write(contents); - w.flush(); - w.close(); - savedFile = new FileRef( - targetFile.getAbsolutePath(), - targetFile.isDirectory(), - targetFile.isHidden(), - targetFile.lastModified(), - targetFile.length()); + saveToFile(targetFile, contents); } - } catch (IOException ex) { - logger.log(Level.SEVERE, null, ex); } return savedFile; } - + + public String bildVerkleinern(String relPath, String bildName) { + if (!relPath.startsWith(".")) { + File dir = getTargetDir(relPath); + File original = new File(dir, bildName); + Bild bild = new Bild(); + //for (int i = 0; i < Bild.GR.length; i++) { + + //int gr = bild.getVariantenGroesse(i); + String ext = ""; + String nurname = bildName; + int dotpos = bildName.indexOf("."); + if (dotpos > -1) { + ext = bildName.substring(dotpos); + nurname = bildName.substring(0, dotpos); + } + + // 120, 240, 500, 700, 1200 + + + for (int i = 0; i < Bild.GR.length; i++) { + StringBuffer buf = new StringBuffer(); + buf.append(nurname); + buf.append(bild.getVariantenName(i)); + buf.append(ext); + File newImgFile = new File(dir, buf.toString()); + try { + Thumbnails.of(original) + .size(bild.getVariantenGroesse(i), bild.getVariantenGroesse(i)) + .keepAspectRatio(true) + .outputQuality(0.7) + .toFile(newImgFile); + } catch (IOException ex) { + logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); + } + } + return "ok"; + } else { + return "Pfad micht erlaubt."; + } + } + + public String bildRotieren(String relPath, String bildName) { + if (!relPath.startsWith(".")) { + File dir = getTargetDir(relPath); + File original = new File(dir, bildName); + + String ext = ""; + String nurname = bildName; + int dotpos = bildName.indexOf("."); + if (dotpos > -1) { + ext = bildName.substring(dotpos); + nurname = bildName.substring(0, dotpos); + } + + StringBuffer buf = new StringBuffer(); + buf.append(nurname); + buf.append("-rot"); + buf.append(ext); + File newImgFile = new File(dir, buf.toString()); + + logger.fine("original: " + original.getAbsolutePath() + " newImgFile: " + newImgFile.getAbsolutePath()); + + try { + Thumbnails.of(original) + .scale(1) + .rotate(90) + .toFile(newImgFile); + } catch (IOException ex) { + logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); + } + + + return "ok"; + } else { + return "Pfad micht erlaubt."; + } + } + + /* --------- ZIP entpacken ---------------- */ + + public String extractZipfile(String relPath, String filename) { + String result = null; + if (!relPath.startsWith(".")) { + try { + File targetDir = getTargetDir(relPath); + File archive = new File(targetDir, filename); + if(extract(archive)) { + result = "ok"; + } else { + result = "error while extracting"; + } + } catch(Exception ex) { + result = ex.getLocalizedMessage(); + logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); + } + } + return result; + } + + /** + * extract a given ZIP archive to the folder respective archive resides in + * @param archive the archive to extract + * @throws Exception + */ + private boolean extract(File archive) throws Exception { + ZipFile zipfile = new ZipFile(archive); + Enumeration en = zipfile.entries(); + while(en.hasMoreElements()) { + ZipEntry zipentry = (ZipEntry) en.nextElement(); + unzip(zipfile, zipentry, archive.getParent()); + } + zipfile.close(); + return true; + } + + /** + * unzip a given entry of a given zip file to a given location + * @param zipfile the zip file to read an entry from + * @param zipentry the zip entry to read + * @param destPath the path to the destination location for the extracted content + * @throws IOException + */ + private void unzip(ZipFile zipfile, ZipEntry zipentry, String destPath) throws IOException { + byte buf[] = new byte[1024]; + InputStream is = zipfile.getInputStream(zipentry); + String outFileName = destPath + File.separator + zipentry.getName(); + File file = new File(outFileName); + if(!zipentry.isDirectory()) { + file.getParentFile().mkdirs(); + if(!file.exists()) + file.createNewFile(); + FileOutputStream fos = new FileOutputStream(file); + int i = is.read(buf, 0, 1024); + while(i > -1) { + fos.write(buf, 0, i); + i = is.read(buf, 0, 1024); + } + fos.close(); + is.close(); + } else { + file.mkdirs(); + } + } + + /* ------------- 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 ---- */ - private File getTargetDir(String relPath) { - logger.finer(relPath); - String targetPath = null; - if(relPath.startsWith(PUB_DIR_NAME)) { - targetPath = PUB_DIR_PATH + getUserName() + "/" + relPath.substring(PUB_DIR_NAME.length()); - } else if(relPath.startsWith(HOME_DIR_NAME)) { - targetPath = HOME_DIR_PATH + getUserName() + "/" + relPath.substring(HOME_DIR_NAME.length()); - } else { - // kann eigentlich nicht sein.. - } - logger.finer(targetPath); - File targetDir = new File(getBase().getAbsolutePath(), targetPath); - return targetDir; - } - private FileRef getBase() { - FileRef base = null; - Object o = getServletContext().getAttribute(Initialiser.FILE_BASE); - if(o instanceof FileRef) { - base = (FileRef) o; - } - return base; - } - - private String getUserName() { - String userName = null; - Object p = getRequest().getUserPrincipal(); - if(p instanceof Principal) { - userName = ((Principal) p).getName(); - } - return userName; - } - - /* - private File getWebappsDir() { - File cfile = new File(this.getClass().getResource( - this.getClass().getSimpleName() + ".class").getFile()); - String path = cfile.getAbsolutePath(); - return new File(path.substring(0, path.indexOf(getRequest().getContextPath()))); - } - */ - -} +} \ No newline at end of file -- Gitblit v1.9.3