/*
* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed 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.
*
*/
/* $Id: RelaxNG.java,v 1.6 2004/03/01 16:18:23 gregor Exp $ */
package org.apache.lenya.xml;
import java.io.BufferedWriter;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.OutputStreamWriter;
import org.xml.sax.InputSource;
import com.thaiopensource.util.PropertyMapBuilder;
import com.thaiopensource.validate.SchemaReader;
import com.thaiopensource.validate.ValidateProperty;
import com.thaiopensource.validate.ValidationDriver;
import com.thaiopensource.validate.auto.AutoSchemaReader;
import com.thaiopensource.xml.sax.ErrorHandlerImpl;
import org.apache.log4j.Category;
/**
* Validate XML Document with RELAX NG Schema
*/
public class RelaxNG {
static Category log = Category.getInstance(RelaxNG.class);
/**
*
*/
public static void main(String[] args) {
if(args.length == 0) {
System.out.println("Usage: relaxng.rng sample.xml");
return;
}
try {
String message = RelaxNG.validate(new File(args[0]), new File(args[1]));
if (message == null) {
System.out.println("Document is valid");
} else {
System.out.println("Document not valid: " + message);
}
} catch (Exception e) {
System.err.println("" + e);
}
}
/**
*
*/
public static String validate(File schema, File xml) throws Exception {
InputSource in = ValidationDriver.uriOrFileInputSource(schema.getAbsolutePath());
PropertyMapBuilder properties = new PropertyMapBuilder();
ByteArrayOutputStream error = new ByteArrayOutputStream();
ErrorHandlerImpl eh = new ErrorHandlerImpl(new BufferedWriter(new OutputStreamWriter(error)));
ValidateProperty.ERROR_HANDLER.put(properties, eh);
SchemaReader schemaReader = new AutoSchemaReader();
ValidationDriver driver = new ValidationDriver(properties.toPropertyMap(), schemaReader);
if (driver.loadSchema(in)) {
if (driver.validate(ValidationDriver.uriOrFileInputSource(xml.getAbsolutePath()))) {
log.debug("" + error);
return null;
} else {
log.error("" + error);
return "" + error;
}
} else {
throw new Exception("Could not load schema!\n" + error);
}
}
}