1 files changed, 134 insertions, 0 deletions
diff --git a/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/security/FileUserManager.java b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/security/FileUserManager.java
new file mode 100644
index 0000000000..59254321cf
--- /dev/null
+++ b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/security/FileUserManager.java
@@ -0,0 +1,134 @@
+/***************************************************************************
+ * Copyright (c) 2004 - 2008 Eike Stepper, Germany.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *    Eike Stepper - initial API and implementation
+ **************************************************************************/
+package org.eclipse.net4j.util.security;
+
+import org.eclipse.net4j.util.io.IORuntimeException;
+import org.eclipse.net4j.util.io.IOUtil;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.text.MessageFormat;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Map.Entry;
+
+/**
+ * @author Eike Stepper
+ */
+public class FileUserManager extends UserManager
+{
+  protected String fileName;
+
+  public FileUserManager()
+  {
+  }
+
+  public String getFileName()
+  {
+    return fileName;
+  }
+
+  public void setFileName(String fileName)
+  {
+    this.fileName = fileName;
+  }
+
+  @Override
+  protected void doBeforeActivate() throws Exception
+  {
+    super.doBeforeActivate();
+    if (fileName == null)
+    {
+      throw new IllegalStateException("fileName == null");
+    }
+
+    File file = new File(fileName);
+    if (file.exists() && !file.isFile())
+    {
+      throw new IllegalStateException("Not a file: " + fileName);
+    }
+  }
+
+  @Override
+  protected void load(Map<String, char[]> users) throws IORuntimeException
+  {
+    File file = new File(fileName);
+    if (!file.exists())
+    {
+      return;
+    }
+
+    FileInputStream stream = IOUtil.openInputStream(new File(fileName));
+    try
+    {
+      load(users, stream);
+    }
+    catch (IOException ex)
+    {
+      throw new IORuntimeException(ex);
+    }
+    finally
+    {
+      IOUtil.closeSilent(stream);
+    }
+  }
+
+  protected void load(Map<String, char[]> users, InputStream stream) throws IOException
+  {
+    Properties properties = new Properties();
+    properties.load(stream);
+    for (Entry<Object, Object> entry : properties.entrySet())
+    {
+      String userID = (String)entry.getKey();
+      char[] password = ((String)entry.getValue()).toCharArray();
+      users.put(userID, password);
+    }
+  }
+
+  @Override
+  protected void save(Map<String, char[]> users) throws IORuntimeException
+  {
+    File file = new File(fileName);
+    if (!file.exists())
+    {
+      return;
+    }
+
+    FileOutputStream stream = IOUtil.openOutputStream(new File(fileName));
+    try
+    {
+      save(users, stream);
+    }
+    catch (IOException ex)
+    {
+      throw new IORuntimeException(ex);
+    }
+    finally
+    {
+      IOUtil.closeSilent(stream);
+    }
+  }
+
+  protected void save(Map<String, char[]> users, FileOutputStream stream) throws IOException
+  {
+    Properties properties = new Properties();
+    for (Entry<String, char[]> entry : users.entrySet())
+    {
+      properties.put(entry.getKey(), new String(entry.getValue()));
+    }
+
+    String comment = MessageFormat.format("User database {0,date} {0,time}", System.currentTimeMillis());
+    properties.store(stream, comment);
+  }
+}