From 301e44ecbb70dc4ee5f384f46355cf182dc89562 Mon Sep 17 00:00:00 2001 From: ulrich <undisclosed> Date: Tue, 01 Aug 2017 12:34:15 +0000 Subject: [PATCH] Redundanz entfernt --- src/java/de/uhilger/filecms/api/FileMgr.java | 293 ++++++++++++++++++++++++++++++++++++++++++++-------------- 1 files changed, 222 insertions(+), 71 deletions(-) diff --git a/src/java/de/uhilger/filecms/api/FileMgr.java b/src/java/de/uhilger/filecms/api/FileMgr.java index 649357d..f45497f 100644 --- a/src/java/de/uhilger/filecms/api/FileMgr.java +++ b/src/java/de/uhilger/filecms/api/FileMgr.java @@ -18,32 +18,37 @@ package de.uhilger.filecms.api; +import de.uhilger.filecms.data.Bild; import de.uhilger.filecms.data.FileRef; -import de.uhilger.filecms.web.Initialiser; +import java.awt.Container; +import java.awt.Image; +import java.awt.MediaTracker; +import java.awt.Toolkit; import java.io.File; 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.Reader; import java.security.Principal; import java.util.ArrayList; +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.ZipEntry; +import java.util.zip.ZipFile; import org.apache.commons.io.FileUtils; /** - * - * @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 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 int OP_COPY = 1; public static final int OP_MOVE = 2; @@ -52,7 +57,18 @@ 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) { + Bild bild = new Bild(); List<FileRef> files = new ArrayList(); if(relPath.length() == 0) { FileRef namedPublicFolder = new FileRef(PUB_DIR_NAME, true); @@ -61,7 +77,13 @@ logger.finer(namedHomeFolder.getAbsolutePath()); files = new ArrayList(); files.add(namedHomeFolder); - files.add(namedPublicFolder); + files.add(namedPublicFolder); + 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); @@ -75,7 +97,9 @@ fname = fname.substring(0, fname.length() - 1); } logger.fine(fname); - files.add(new FileRef(fname, fileArray[i].isDirectory())); + FileRef ref = new FileRef(fname, fileArray[i].isDirectory()); + ref.setMimetype(bild.getMimeType(fileArray[i])); + files.add(ref); } } } @@ -103,9 +127,12 @@ Object p = getRequest().getUserPrincipal(); if(p instanceof Principal) { - FileReader reader = null; + Reader reader = null; try { 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]; @@ -205,77 +232,201 @@ return result; } - public FileRef saveTextFile(String relPath, String fileName, String contents) { + public FileRef saveTextFileAs(String relPath, String fileName, String contents) { FileRef savedFile = null; - try { - FileRef datenRef = getBase(); - Object p = getRequest().getUserPrincipal(); - if(p instanceof Principal) { - File targetFile = new File(getTargetDir(relPath), fileName); - if(targetFile.exists()) { - /* - muss delete() sein? - pruefen: ueberschreibt der FileWriter den alteen Inhalt oder - entsteht eine unerwuenschte Mischung aus altem und neuem - Inhalt? - */ - targetFile.delete(); - } 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()); + logger.fine(relPath + " " + fileName); + //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(); } - } catch (IOException ex) { - logger.log(Level.SEVERE, null, ex); + saveToFile(targetFile, contents); } return savedFile; } - - /* ---- Hilfsfunktionen ---- */ - private File getTargetDir(String relPath) { - logger.fine(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.. + 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(targetPath); - File targetDir = new File(getBase().getAbsolutePath(), targetPath); - return targetDir; + 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 { + targetFile.createNewFile(); + FileWriter w = new FileWriter(targetFile); + //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; } - private FileRef getBase() { - FileRef base = null; - Object o = getServletContext().getAttribute(Initialiser.FILE_BASE); - if(o instanceof String) { - String baseStr = (String) o; - logger.fine(baseStr); - File file = new File(baseStr); - base = new FileRef(file.getAbsolutePath(), file.isDirectory()); - } - return base; - } - - private String getUserName() { - String userName = null; + public FileRef saveTextFile(String relPath, String fileName, String contents) { + FileRef savedFile = null; + logger.fine(relPath + " " + fileName); + //FileRef datenRef = getBase(); Object p = getRequest().getUserPrincipal(); if(p instanceof Principal) { - userName = ((Principal) p).getName(); + File targetFile = new File(getTargetDir(relPath), fileName); + if(targetFile.exists()) { + /* + muss delete() sein? + pruefen: ueberschreibt der FileWriter den alteen Inhalt oder + entsteht eine unerwuenschte Mischung aus altem und neuem + Inhalt? + */ + targetFile.delete(); + } else { + targetFile.getParentFile().mkdirs(); + } + saveToFile(targetFile, contents); } - return userName; - } + return savedFile; + } + + public String bildVerkleinern(String relPath, String bildName) { + 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); + } + + Image image = Toolkit.getDefaultToolkit().getImage(original.getAbsolutePath()); + MediaTracker mediaTracker = new MediaTracker(new Container()); + mediaTracker.addImage(image, 0); + try { + mediaTracker.waitForID(0); + + if(!mediaTracker.isErrorAny()) { + 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()); + if(!newImgFile.exists()) { + logger.fine(original.getAbsolutePath() + " " + newImgFile.getAbsolutePath()); + bild.writeImageFile(image, bild.getVariantenGroesse(i), bild.getMimeType(original), newImgFile.getAbsolutePath()); + //bild.writeImageFile(image, photo.getVariantenGroesse(i), photo.getMimetype(), photo.getAbsolutePath(basisPfad), photo.getVariantenName(basisPfad, i)); + } + } + } + } catch(IOException | InterruptedException ex) { + logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); + } + + return "ok"; + } + + public String extractZipfile(String relPath, String filename) { + String result; + 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(); + } + } + + + + /* ---- Hilfsfunktionen ---- */ + } \ No newline at end of file -- Gitblit v1.9.3