/*
* 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 arq;
import java.io.IOException ;
import java.util.List ;
import jena.cmd.ArgDecl;
import jena.cmd.CmdException;
import org.apache.jena.atlas.io.IndentedLineBuffer ;
import org.apache.jena.atlas.lib.Lib ;
import org.apache.jena.query.QueryParseException ;
import org.apache.jena.query.Syntax ;
import org.apache.jena.sparql.modify.request.UpdateWriter ;
import org.apache.jena.update.UpdateFactory ;
import org.apache.jena.update.UpdateRequest ;
import org.apache.jena.util.FileUtils ;
import arq.cmdline.CmdARQ ;
public class uparse extends CmdARQ
{
protected static final ArgDecl fileArg = new ArgDecl(ArgDecl.HasValue, "file", "update") ;
protected static final ArgDecl syntaxArg = new ArgDecl(ArgDecl.HasValue, "syntax", "syn") ;
protected static final ArgDecl argDeclPrint = new ArgDecl(ArgDecl.HasValue, "print") ;
List<String> requestFiles = null ;
protected Syntax updateSyntax = null ;
private boolean printUpdate = false ;
private boolean printNone = false ;
public static void main (String... argv)
{ new uparse(argv).mainRun() ; }
protected uparse(String[] argv)
{
super(argv) ;
super.add(fileArg, "--file=FILE", "Update commands to parse") ;
super.add(syntaxArg, "--syntax=name", "Update syntax") ;
super.add(argDeclPrint, "--print", "Print in various forms [update, none]") ;
}
@Override
protected void processModulesAndArgs()
{
requestFiles = getValues(fileArg) ;
super.processModulesAndArgs() ;
if ( super.cmdStrictMode )
updateSyntax = Syntax.syntaxSPARQL_11 ;
// Set syntax
if ( super.contains(syntaxArg) ) {
// short name
String s = super.getValue(syntaxArg) ;
Syntax syn = Syntax.lookup(s) ;
if ( syn == null )
super.cmdError("Unrecognized syntax: " + s) ;
updateSyntax = syn ;
}
for ( String arg : getValues( argDeclPrint ) )
{
if ( arg.equalsIgnoreCase( "query" ) )
printUpdate = true;
else if ( arg.equalsIgnoreCase( "none" ) )
printNone = true;
else
throw new CmdException("Not a recognized print form: " + arg + " : Choices are: update, none" );
}
if ( !printUpdate && ! printNone )
printUpdate = true ;
}
@Override
protected String getCommandName() { return Lib.className(this) ; }
@Override
protected String getSummary() { return getCommandName()+" --file=<request file> | <update string>" ; }
@Override
protected void exec()
{
for ( String filename : requestFiles )
{
Syntax syntax = updateSyntax ;
if ( syntax == null )
syntax = Syntax.guessUpdateFileSyntax(filename) ;
String x = oneFile( filename );
if ( x != null )
execOne( x, syntax );
}
for ( String x : super.positionals ) {
Syntax syntax = updateSyntax ;
if ( matchesIndirect(x) ) {
if ( syntax == null )
syntax = Syntax.guessUpdateFileSyntax(x) ;
x = indirect( x );
}
if ( syntax == null )
syntax = Syntax.defaultUpdateSyntax ;
execOne( x, syntax );
}
}
private String oneFile(String filename)
{
divider() ;
try
{
return FileUtils.readWholeFileAsUTF8(filename) ;
} catch (IOException ex)
{
System.err.println("No such file: "+filename) ;
return null ;
}
}
private void execOne(String updateString, Syntax syntax)
{
UpdateRequest req ;
try {
req = UpdateFactory.create(updateString, syntax) ;
} catch (QueryParseException ex)
{
System.err.print("Parse error: ") ;
System.err.println(ex.getMessage()) ;
return ;
}
//req.output(IndentedWriter.stderr) ;
if ( printUpdate )
System.out.print(req) ;
if ( printNone )
return ;
// And some checking.
IndentedLineBuffer w = new IndentedLineBuffer() ;
UpdateWriter.output(req, w) ;
String updateString2 = w.asString() ;
UpdateRequest req2 = null ;
try {
req2 = UpdateFactory.create(updateString2, syntax) ;
} catch (QueryParseException ex)
{
System.err.println("Can not reparse update after serialization") ;
System.err.println(updateString2) ;
}
if ( ! req.equalTo(req2) )
System.err.println("Reparsed update does not .equalTo original parsed request") ;
}
static final String divider = "- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -" ;
//static final String divider = "" ;
static boolean needDivider = false ;
private static void divider()
{
if ( needDivider ) System.out.println(divider) ;
needDivider = true ;
}
}