/*
* 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 org.apache.synapse.migrator;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
/**
*
*/
public class ConfigurationMigrator {
private static final String MIGRATOR_XSLT_PATH
= "modules/migrator/src/main/resources/synapse-configuration-migrator.xslt";
public static void doTransform(String xmlFile, String xslFile, String outFile)
throws TransformerException, IOException {
FileReader xslFileReader = new FileReader(xslFile);
StreamSource xslStreamSource = new StreamSource(xslFileReader);
FileReader xmlFileReader = new FileReader(xmlFile);
StreamSource xmlStreamSource = new StreamSource(xmlFileReader);
FileWriter outFileWriter = new FileWriter(outFile);
StreamResult outStreamResult = new StreamResult(outFileWriter);
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer(xslStreamSource);
transformer.transform(xmlStreamSource, outStreamResult);
outFileWriter.flush();
}
public static void main(String[] arguments) {
System.out.println("\n\t#######################################################");
System.out.println("\t# Apache Synapse - Configuration Migration #");
System.out.println("\t#######################################################");
System.out.println("\n[INFO] Migration STARTED");
try {
if (arguments.length == 2) {
System.out.println("[INFO] Migrating the synapse 1.x configuration '"
+ arguments[0] + "' into a new 2.x configuration at '" + arguments[1] + "'");
doTransform(arguments[0], MIGRATOR_XSLT_PATH, arguments[1]);
} else if (arguments.length == 3) {
System.out.println("[INFO] Migrating the synapse 1.x configuration '"
+ arguments[0] + "' into a new 2.x configuration at '"
+ arguments[1] + "' using the XSLT '" + arguments[2] + "'");
doTransform(arguments[0], arguments[2], arguments[1]);
} else {
System.out.println("[ERROR] Invalid arguments provided for migration");
}
System.out.println("[INFO] Migration SUCCESSFULLY COMPLETED");
System.out.println("[INFO] Migrated 2.x configuration is available at '"
+ arguments[1] + "'");
} catch (TransformerException e) {
handleException("Migration FAILED\n\t" + e.toString());
} catch (IOException e) {
handleException("Migration FAILED\n\t" + e.toString());
}
}
private static void handleException(String message) {
System.out.println("[ERROR] " + message);
}
}