1 files changed, 85 insertions, 0 deletions
diff --git a/app/src/main/java/org/apache/commons/net/ftp/FTPFileEntryParserImpl.java b/app/src/main/java/org/apache/commons/net/ftp/FTPFileEntryParserImpl.java
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@@ -0,0 +1,85 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.commons.net.ftp;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * This abstract class implements both the older FTPFileListParser and
+ * newer FTPFileEntryParser interfaces with default functionality.
+ * All the classes in the parser subpackage inherit from this.
+ *
+ */
+public abstract class FTPFileEntryParserImpl
+    implements FTPFileEntryParser
+{
+    /**
+     * The constructor for a FTPFileEntryParserImpl object.
+     */
+    public FTPFileEntryParserImpl()
+    {
+    }
+
+    /**
+     * Reads the next entry using the supplied BufferedReader object up to
+     * whatever delemits one entry from the next.  This default implementation
+     * simply calls BufferedReader.readLine().
+     *
+     * @param reader The BufferedReader object from which entries are to be
+     * read.
+     *
+     * @return A string representing the next ftp entry or null if none found.
+     * @exception java.io.IOException thrown on any IO Error reading from the reader.
+     */
+    public String readNextEntry(BufferedReader reader) throws IOException
+    {
+        return reader.readLine();
+    }
+    /**
+     * This method is a hook for those implementors (such as
+     * VMSVersioningFTPEntryParser, and possibly others) which need to
+     * perform some action upon the FTPFileList after it has been created
+     * from the server stream, but before any clients see the list.
+     *
+     * This default implementation removes entries that do not parse as files.
+     *
+     * @param original Original list after it has been created from the server stream
+     *
+     * @return <code>original</code> unmodified.
+     */
+     public List<String> preParse(List<String> original) {
+         Iterator<String> it = original.iterator();
+         while (it.hasNext()){
+            String entry = it.next();
+            if (null == parseFTPEntry(entry)) {
+                it.remove();
+            }
+         }
+         return original;
+     }
+}
+
+/* Emacs configuration
+ * Local variables:        **
+ * mode:             java  **
+ * c-basic-offset:   4     **
+ * indent-tabs-mode: nil   **
+ * End:                    **
+ */