1 files changed, 53 insertions, 0 deletions
diff --git a/tags/2.1/src/main/java/org/mockftpserver/fake/command/CdupCommandHandler.java b/tags/2.1/src/main/java/org/mockftpserver/fake/command/CdupCommandHandler.java
new file mode 100644
index 0000000..44db478
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+++ b/tags/2.1/src/main/java/org/mockftpserver/fake/command/CdupCommandHandler.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2008 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.mockftpserver.fake.command;
+
+import org.mockftpserver.core.command.Command;
+import org.mockftpserver.core.command.ReplyCodes;
+import org.mockftpserver.core.session.Session;
+import org.mockftpserver.core.session.SessionKeys;
+
+/**
+ * CommandHandler for the CDUP command. Handler logic:
+ * <ol>
+ * <li>If the user has not logged in, then reply with 530</li>
+ * <li>If the current directory has no parent or if the current directory cannot be changed, then reply with 550 and terminate</li>
+ * <li>If the current user does not have execute access to the parent directory, then reply with 550 and terminate</li>
+ * <li>Otherwise, reply with 200 and change the current directory stored in the session to the parent directory</li>
+ * </ol>
+ *
+ * @author Chris Mair
+ * @version $Revision$ - $Date$
+ */
+public class CdupCommandHandler extends AbstractFakeCommandHandler {
+
+    protected void handle(Command command, Session session) {
+        verifyLoggedIn(session);
+        String currentDirectory = (String) getRequiredSessionAttribute(session, SessionKeys.CURRENT_DIRECTORY);
+        String path = getFileSystem().getParent(currentDirectory);
+
+        this.replyCodeForFileSystemException = ReplyCodes.READ_FILE_ERROR;
+        verifyFileSystemCondition(notNullOrEmpty(path), currentDirectory, "filesystem.parentDirectoryDoesNotExist");
+        verifyFileSystemCondition(getFileSystem().isDirectory(path), path, "filesystem.isNotADirectory");
+
+        // User must have execute permission to the parent directory
+        verifyExecutePermission(session, path);
+
+        session.setAttribute(SessionKeys.CURRENT_DIRECTORY, path);
+        sendReply(session, ReplyCodes.CDUP_OK, "cdup", list(path));
+    }
+
+}
+\ No newline at end of file