1 files changed, 80 insertions, 0 deletions
diff --git a/tags/2.3/src/main/java/org/mockftpserver/fake/command/ListCommandHandler.java b/tags/2.3/src/main/java/org/mockftpserver/fake/command/ListCommandHandler.java
new file mode 100644
index 0000000..b8e89e8
--- /dev/null
+++ b/tags/2.3/src/main/java/org/mockftpserver/fake/command/ListCommandHandler.java
@@ -0,0 +1,80 @@
+/*
+ * 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.util.StringUtil;
+import org.mockftpserver.fake.filesystem.FileSystemEntry;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * CommandHandler for the LIST command. Handler logic:
+ * <ol>
+ * <li>If the user has not logged in, then reply with 530 and terminate</li>
+ * <li>Send an initial reply of 150</li>
+ * <li>If the current user does not have read access to the file or directory to be listed, then reply with 550 and terminate</li>
+ * <li>If an error occurs during processing, then send a reply of 451 and terminate</li>
+ * <li>If the optional pathname parameter is missing, then send a directory listing for
+ * the current directory across the data connection</li>
+ * <li>Otherwise, if the optional pathname parameter specifies a directory or group of files,
+ * then send a directory listing for the specified directory across the data connection</li>
+ * <li>Otherwise, if the optional pathname parameter specifies a filename, then send information
+ * for the specified file across the data connection</li>
+ * <li>Send a final reply with 226</li>
+ * </ol>
+ *
+ * @author Chris Mair
+ * @version $Revision$ - $Date$
+ */
+public class ListCommandHandler extends AbstractFakeCommandHandler {
+
+    protected void handle(Command command, Session session) {
+        verifyLoggedIn(session);
+        sendReply(session, ReplyCodes.TRANSFER_DATA_INITIAL_OK);
+
+        String path = getRealPath(session, command.getParameter(0));
+
+        // User must have read permission to the path
+        if (getFileSystem().exists(path)) {
+            this.replyCodeForFileSystemException = ReplyCodes.READ_FILE_ERROR;
+            verifyReadPermission(session, path);
+        }
+
+        this.replyCodeForFileSystemException = ReplyCodes.SYSTEM_ERROR;
+        List fileEntries = getFileSystem().listFiles(path);
+        Iterator iter = fileEntries.iterator();
+        List lines = new ArrayList();
+        while (iter.hasNext()) {
+            FileSystemEntry entry = (FileSystemEntry) iter.next();
+            lines.add(getFileSystem().formatDirectoryListing(entry));
+        }
+        String result = StringUtil.join(lines, endOfLine());
+        result += result.length() > 0 ? endOfLine() : "";
+
+        session.openDataConnection();
+        LOG.info("Sending [" + result + "]");
+        session.sendData(result.getBytes(), result.length());
+        session.closeDataConnection();
+
+        sendReply(session, ReplyCodes.TRANSFER_DATA_FINAL_OK);
+    }
+
+}
+\ No newline at end of file