/*
 * 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 tdb;

import org.apache.jena.riot.Lang ;
import org.apache.jena.riot.RDFDataMgr ;
import org.apache.jena.sparql.core.DatasetGraph ;
import tdb.cmdline.CmdTDB ;

public class tdbdump extends CmdTDB
{
    static public void main(String... argv)
    { 
        CmdTDB.init() ;
        new tdbdump(argv).mainRun() ;
    }

    protected tdbdump(String[] argv)
    {
        super(argv) ;
    }
    
    @Override
    protected String getSummary()
    {
        return getCommandName()+" : Write N-Quads to stdout" ;
    }

    @Override
    protected void exec()
    {
        DatasetGraph dsg = super.getDatasetGraphTDB() ;
        RDFDataMgr.write(System.out, dsg, Lang.NQUADS) ;
    }
}

@@ -825,33 +825,33 @@
 ort 
-org.apache.jena.riot.Lang
+arq.cmdline.ModLangOutput
  ;%0Ai
@@ -890,16 +890,56 @@
 taMgr ;%0A
+import org.apache.jena.riot.RDFFormat ;%0A
 import o
@@ -1047,16 +1047,84 @@
 mdTDB%0A%7B%0A
+    static ModLangOutput modLangOutput = new ModLangOutput() ;%0A    %0A
     stat
@@ -1296,24 +1296,59 @@
 per(argv) ;%0A
+        addModule(modLangOutput) ;%0A
     %7D%0A    %0A 
@@ -1446,15 +1446,17 @@
 ite 
-N-Quads
+a dataset
  to 
@@ -1461,16 +1461,38 @@
 o stdout
+ (defaults to N-Quads)
 %22 ;%0A    
@@ -1592,24 +1592,469 @@
 raphTDB() ;%0A
+        %0A        // Prefer stream over fully pretty output formats.%0A        RDFFormat fmt = modLangOutput.getOutputStreamFormat() ;%0A        // Stream writing happens naturally - no need to call StreamRDFWriter.%0A        //if ( fmt != null && StreamRDFWriter.registered(fmt) )%0A        if ( fmt == null )%0A            fmt = modLangOutput.getOutputFormatted() ;%0A        if ( fmt == null )%0A            // Default.%0A            fmt = RDFFormat.NQUADS ;%0A
         RDFD
@@ -2087,19 +2087,11 @@
 sg, 
-Lang.NQUADS
+fmt
 ) ;%0A

Allow other output formats.