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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 de.uhilger.wbx.Bild; |
| | | 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()); |
| | |
| | | |
| | | 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 ---- */ |
| | | |