diff -r c0085ac96ba8 includes/FeedsSource.inc
--- a/includes/FeedsSource.inc	Sat Feb 04 14:02:37 2012 +0400
+++ b/includes/FeedsSource.inc	Sat Feb 04 17:29:29 2012 +0400
@@ -343,10 +343,12 @@
 
       // Parse.
       $parser_result = $this->importer->parser->parse($this, $this->fetcher_result);
-      module_invoke_all('feeds_after_parse', $this, $parser_result);
+      if (!empty($parser_result)) {
+        module_invoke_all('feeds_after_parse', $this, $parser_result);
 
-      // Process.
-      $this->importer->processor->process($this, $parser_result);
+        // Process.
+        $this->importer->processor->process($this, $parser_result);
+      }
     }
     catch (Exception $e) {
       // Do nothing.
diff -r c0085ac96ba8 libraries/ParserCSV.inc
--- a/libraries/ParserCSV.inc	Sat Feb 04 14:02:37 2012 +0400
+++ b/libraries/ParserCSV.inc	Sat Feb 04 17:29:29 2012 +0400
@@ -74,6 +74,8 @@
 
   public function __construct() {
     $this->delimiter = ',';
+    $this->from_encoding = $this->to_encoding = 'UTF-8';
+    $this->check_encoding = FALSE;
     $this->skipFirstLine = FALSE;
     $this->columnNames = FALSE;
     $this->timeout = FALSE;
@@ -92,6 +94,22 @@
   }
 
   /**
+   * Set the source file encoding.
+   * By default, UTF-8.
+   */
+  public function setEncoding($encoding) {
+    $this->from_encoding = $encoding;
+  }
+
+  /**
+   * Set the option to check source file encoding.
+   * By default, FALSE.
+   */
+  public function setEncodingCheck($check_encoding) {
+    $this->check_encoding = $check_encoding;
+  }
+
+  /**
    * Set this to TRUE if the parser should skip the first line of the CSV text,
    * which might be desired if the first line contains the column names.
    * By default, this is set to FALSE and the first line is not skipped.
@@ -192,9 +210,30 @@
     $linesParsed = 0;
 
     for ($lineIterator->rewind($this->startByte); $lineIterator->valid(); $lineIterator->next()) {
+      
+      $line = $lineIterator->current();
+      
+      // Check encoding if needed
+      if ($this->check_encoding) {
+        if (function_exists('mb_convert_encoding')) {
+          if (!mb_check_encoding($line, $this->from_encoding)) {
+            throw new Exception(t('Source file is not in @encoding encoding.', array('@encoding' => $this->from_encoding)));
+          }
+        } else {
+          throw new Exception(t('For encoding check <code>mbstring</code> PHP extension must be available.'));
+        }
+      }
+      // Convert encoding if needed
+      if ($this->from_encoding != $this->to_encoding) {
+        if (function_exists('mb_convert_encoding')) {
+          $line = mb_convert_encoding($line, $this->to_encoding, $this->from_encoding);
+        } else {
+          throw new Exception(t('For encoding conversion <code>mbstring</code> PHP extension must be available.'));
+        }
+      }
 
       // Make really sure we've got lines without trailing newlines.
-      $line = trim($lineIterator->current(), "\r\n");
+      $line = trim($line, "\r\n");
 
       // Skip empty lines.
       if (empty($line)) {
diff -r c0085ac96ba8 plugins/FeedsCSVParser.inc
--- a/plugins/FeedsCSVParser.inc	Sat Feb 04 14:02:37 2012 +0400
+++ b/plugins/FeedsCSVParser.inc	Sat Feb 04 17:29:29 2012 +0400
@@ -17,6 +17,8 @@
     $parser = new ParserCSV();
     $delimiter = $source_config['delimiter'] == 'TAB' ? "\t" : $source_config['delimiter'];
     $parser->setDelimiter($delimiter);
+    $parser->setEncoding($source_config['encoding']['encoding']);
+    $parser->setEncodingCheck($source_config['encoding']['check_encoding']);
 
     $iterator = new ParserCSVIterator($fetcher_result->getFilePath());
     if (empty($source_config['no_headers'])) {
@@ -101,6 +103,8 @@
   public function sourceDefaults() {
     return array(
       'delimiter' => $this->config['delimiter'],
+      'encoding' => $this->config['encoding'],
+      'check_encoding' => $this->config['check_encoding'],
       'no_headers' => $this->config['no_headers'],
     );
   }
@@ -145,7 +149,7 @@
       '#description' => t('Check if the imported CSV file does not start with a header row. If checked, mapping sources must be named \'0\', \'1\', \'2\' etc.'),
       '#default_value' => isset($source_config['no_headers']) ? $source_config['no_headers'] : 0,
     );
-    return $form;
+    return $form + $this->configEncodingForm(TRUE);
   }
 
   /**
@@ -154,6 +158,8 @@
   public function configDefaults() {
     return array(
       'delimiter' => ',',
+      'encoding' => 'UTF-8',
+      'check_encoding' => FALSE,
       'no_headers' => 0,
     );
   }
@@ -180,6 +186,39 @@
       '#description' => t('Check if the imported CSV file does not start with a header row. If checked, mapping sources must be named \'0\', \'1\', \'2\' etc.'),
       '#default_value' => $this->config['no_headers'],
     );
+    return $form + $this->configEncodingForm();
+  }
+
+  public function configEncodingForm($sourceForm = FALSE) {
+    $form = array();
+    $defaults = $this->configDefaults(); 
+    $form['encoding'] = array(
+      '#type' => 'fieldset',
+      '#title' => 'Encoding conversion',
+      '#collapsible' => TRUE, 
+      '#collapsed' => $sourceForm || ($this->config['encoding'] == $defaults['encoding'] && $this->config['check_encoding'] == $defaults['check_encoding']),
+    );
+    if (function_exists('mb_list_encodings')) {
+      $options = mb_list_encodings();
+      $options = array_combine($options, $options);
+      $form['encoding']['encoding'] = array(
+        '#type' => 'select',
+        '#title' => t('Source file encoding'),
+        '#description' => t('Performs encoding conversion of a source files to UTF-8. Defaults to <code>UTF-8</code> &mdash; no encoding conversion will happen.'),
+        '#options' => $options,
+        '#default_value' => $this->config['encoding'],
+      );
+      $form['encoding']['check_encoding'] = array(
+        '#type' => 'checkbox',
+        '#title' => t('Check encoding'),
+        '#description' => t('Checks encoding of a source file and breaks import process if encoding differs.'),
+        '#default_value' => $this->config['check_encoding']
+      );
+    } else {
+      $form['encoding']['encoding'] = array(
+        '#markup' => '<p><em>'.t('Encoding conversion is disabled due to the lack of <code>mbstring</code> PHP extension.').'</em></p>',
+      );
+    }
     return $form;
   }