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| | | 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.FileInputStream; |
| | | import java.io.FileNotFoundException; |
| | | import java.io.FileOutputStream; |
| | | import java.io.FileReader; |
| | | import java.io.FileWriter; |
| | | import java.io.IOException; |
| | | import java.io.InputStreamReader; |
| | | 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; |
| | | import org.apache.commons.lang.StringEscapeUtils; |
| | | |
| | | /** |
| | | * |
| | | * @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; |
| | |
| | | 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); |
| | |
| | | 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); |
| | |
| | | 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); |
| | | } |
| | | } |
| | | } |
| | |
| | | } |
| | | 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 ---- */ |
| | | |
| | | 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.. |
| | | } |
| | | logger.fine(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 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; |
| | | Object p = getRequest().getUserPrincipal(); |
| | | if(p instanceof Principal) { |
| | | userName = ((Principal) p).getName(); |
| | | } |
| | | return userName; |
| | | } |
| | | } |