org.apache.taverna.examples.Scufl2Tool Maven / Gradle / Ivy
package org.apache.taverna.examples;
/*
* 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.
*/
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
/**
* A wrapper around the other example main() methods
*
* This in order to make a single executable JAR file.
*
* @author Stian Soiland-Reyes
*
*/
public class Scufl2Tool {
public enum Tool {
t2flowtowfbundle(ConvertT2flowToWorkflowBundle.class, "Convert t2flow workflows to wfbundle"),
jsonexport(JsonExport.class, "Export JSON structure of workflow"),
processornames(ProcessorNames.class, "List tree of processor names in workflow"),
servicetypes(ServiceTypes.class, "List service types used in workflow"),
workflowmaker(WorkflowMaker.class, "Create an example workflow programmatically");
private final String description;
private final Class mainClass;
Tool(Class mainClass, String description) {
this.mainClass = mainClass;
this.description = description;
}
@Override
public String toString() {
return name() + " - " + description;
}
public Class getMainClass() {
return mainClass;
}
}
public static void main(String[] args) throws IllegalAccessException,
IllegalArgumentException, InvocationTargetException,
NoSuchMethodException, SecurityException {
List argsList = Arrays.asList(args);
if (argsList.isEmpty() || argsList.get(0).equals("-h")) {
help();
return;
}
Tool tool;
try {
tool = Tool.valueOf(argsList.get(0).toLowerCase());
} catch (IllegalArgumentException e) {
System.err.println("Invalid tool: " + argsList.get(0));
help();
return;
}
// Find and invoke the main method
Class mainCls = tool.getMainClass();
Method main = mainCls.getMethod("main", String[].class);
// But stripping out the first argument
args = argsList.subList(1, argsList.size()).toArray(new String[0]);
// Array of arrays!
Object[] mainArgs = new Object[]{args};
main.invoke(null, mainArgs);
}
public static void help() {
System.out.println("SCUFL2 workflow tool");
System.out.println("Usage: scufl2tool [option] ...");
System.out.println();
System.out.println("Available tools:");
for (Tool tool : Tool.values()) {
System.out.println(tool);
}
}
}
;