CSV exporter quote char config

docs/todo.txt

-MongoDB driver (3.x)
 Folders colors customization.
-DB toolbar/menu visibility config in Eclipse mode
 MacOS test
 Eclipse Mars update
 OpenSUSE test (UI is broken)
@@ -11,7 +9,6 @@ Objects cache. Allow to load single object without entire cache loading (for tab
 Remove QMDB warnings from main Error Log
 Delete button in doc editors. Disable all RSV actions when in editor (inline/over)
 
-Export to CSV - configure quote character
 Split core and ui on different plugins
 DBeaver features usage model
 Vertica keywords

plugins/org.jkiss.dbeaver.core/plugin.xml

@@ -2365,6 +2365,7 @@
                     <property id="delimiter" label="%dataTransfer.processor.csv.property.delimiter.name" type="string" description="%dataTransfer.processor.csv.property.delimiter.description" defaultValue="," required="true"/>
                     <property id="header" label="%dataTransfer.processor.csv.property.header.name" type="string" description="%dataTransfer.processor.csv.property.header.description" defaultValue="top" required="true" validValues="none,top,bottom,both"/>
                     <property id="escape" label="%dataTransfer.processor.csv.property.escape.name" type="string" description="%dataTransfer.processor.csv.property.escape.description" defaultValue="quotes" required="true" validValues="quotes,escape"/>
+                    <property id="quoteChar" label="%dataTransfer.processor.csv.property.quoteChar.name" type="string" description="%dataTransfer.processor.csv.property.quoteChar.description" defaultValue="&quot;" required="false"/>
                 </propertyGroup>
             </processor>
             <processor

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/tools/transfer/stream/impl/DataExporterCSV.java

@@ -18,6 +18,7 @@
 package org.jkiss.dbeaver.tools.transfer.stream.impl;
 
 import org.jkiss.dbeaver.DBException;
+import org.jkiss.dbeaver.model.DBConstants;
 import org.jkiss.dbeaver.model.DBUtils;
 import org.jkiss.dbeaver.model.data.DBDAttributeBinding;
 import org.jkiss.dbeaver.model.data.DBDContent;
@@ -41,6 +42,7 @@ public class DataExporterCSV extends StreamExporterAbstract {
 
     private static final String PROP_DELIMITER = "delimiter";
     private static final String PROP_HEADER = "header";
+    private static final String PROP_QUOTE_CHAR = "quoteChar";
     public static final char DEF_DELIMITER = ',';
 
     enum HeaderPosition {
@@ -75,6 +77,10 @@ public class DataExporterCSV extends StreamExporterAbstract {
         } else {
             delimiter = DEF_DELIMITER;
         }
+        String quoteStr = String.valueOf(site.getProperties().get(PROP_QUOTE_CHAR));
+        if (!CommonUtils.isEmpty(quoteStr)) {
+            quoteChar = quoteStr.charAt(0);
+        }
         out = site.getWriter();
         rowDelimiter = GeneralUtils.getDefaultLineSeparator();
         try {
@@ -129,7 +135,9 @@ public class DataExporterCSV extends StreamExporterAbstract {
                 DBDContent content = (DBDContent)row[i];
                 try {
                     DBDContentStorage cs = content.getContents(monitor);
-                    if (ContentUtils.isTextContent(content)) {
+                    if (cs == null) {
+                        writeCellValue(DBConstants.NULL_VALUE_LABEL, false);
+                    } else if (ContentUtils.isTextContent(content)) {
                         writeCellValue(cs.getContentReader());
                     } else {
                         getSite().writeBinaryData(cs.getContentStream(), cs.getContentLength());