| | |
| | | /* |
| | | Dateiverwaltung - File management in your browser |
| | | Copyright (C) 2017 Ulrich Hilger, http://uhilger.de |
| | | |
| | | This program is free software: you can redistribute it and/or modify |
| | | it under the terms of the GNU Affero General Public License as |
| | | published by the Free Software Foundation, either version 3 of the |
| | | License, or (at your option) any later version. |
| | | |
| | | This program is distributed in the hope that it will be useful, |
| | | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | | GNU Affero General Public License for more details. |
| | | |
| | | You should have received a copy of the GNU Affero General Public License |
| | | along with this program. If not, see <http://www.gnu.org/licenses/>. |
| | | */ |
| | | |
| | | package de.uhilger.filecms.api; |
| | | |
| | | import de.uhilger.filesystem.FileRef; |
| | | import de.uhilger.transit.web.WebKontext; |
| | | import javax.servlet.ServletContext; |
| | | 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.Reader; |
| | | 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 implements WebKontext { |
| | | 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 FILE_BASE = "fileBase"; |
| | | public static final String DOT = "."; |
| | | |
| | | private ServletContext ctx; |
| | | public String hallo() { |
| | | return "Hallo Welt!"; |
| | | } |
| | | |
| | | public FileRef getBase() { |
| | | FileRef ref = null; |
| | | String fileBase = getServletContext().getInitParameter(FILE_BASE); |
| | | return ref; |
| | | /** |
| | | * 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.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; |
| | | } |
| | | |
| | | @Override |
| | | public ServletContext getServletContext() { |
| | | return ctx; |
| | | 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(".")) { |
| | | 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 { |
| | | return null; |
| | | } |
| | | } |
| | | |
| | | public String getCode(String relPath, String fileName) { |
| | | String code = null; |
| | | if (!relPath.startsWith(".")) { |
| | | Object p = getRequest().getUserPrincipal(); |
| | | if (p instanceof Principal) { |
| | | Reader reader = null; |
| | | try { |
| | | File targetFile = new File(getTargetDir(relPath), fileName); |
| | | |
| | | @Override |
| | | public void setServletContext(ServletContext servletContext) { |
| | | this.ctx = servletContext; |
| | | //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 { |
| | | logger.fine(fileNames.toString()); |
| | | 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"; |
| | | } |
| | | } catch (Throwable ex) { |
| | | 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) { |
| | | 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 { |
| | | 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; |
| | | } |
| | | |
| | | 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); |
| | | 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 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 ---- */ |
| | | |
| | | } |