From fafe1b3b2b35a3c032a367d5ed76b243f6d654a9 Mon Sep 17 00:00:00 2001
From: ulrich <undisclosed>
Date: Fri, 07 Jul 2017 06:11:29 +0000
Subject: [PATCH] API fuer Listings aus der oeffentlichen Ablage hinzugefuegt
---
src/java/de/uhilger/filecms/api/FileMgr.java | 75 +++++++++++++++++++++++++++++++++++--
1 files changed, 71 insertions(+), 4 deletions(-)
diff --git a/src/java/de/uhilger/filecms/api/FileMgr.java b/src/java/de/uhilger/filecms/api/FileMgr.java
index c2e2f8e..f45497f 100644
--- a/src/java/de/uhilger/filecms/api/FileMgr.java
+++ b/src/java/de/uhilger/filecms/api/FileMgr.java
@@ -18,30 +18,33 @@
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());
@@ -359,6 +362,70 @@
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 ---- */
--
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