/*
*
* 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.airavata.xbaya.jython.runner;
import java.io.File;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.jar.JarFile;
import org.apache.airavata.workflow.model.exceptions.WorkflowException;
import org.python.core.PySystemState;
import org.python.util.PythonInterpreter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class JythonOneTimeRunnerImpl implements JythonOneTimeRunner {
private static final Logger logger = LoggerFactory.getLogger(JythonOneTimeRunnerImpl.class);
/**
* @throws WorkflowException
* @see org.apache.airavata.xbaya.jython.runner.JythonOneTimeRunner#run(java.lang.String, java.lang.String[])
*/
public void run(final String script, final String[] arguments) throws WorkflowException {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
public Void run() {
ClassLoader loader = this.getClass().getClassLoader();
PySystemState.initialize(System.getProperties(), null, arguments, loader);
if (loader instanceof JythonClassLoader) {
logger.debug("jythonClassLoader");
JythonClassLoader jythonLoader = (JythonClassLoader) loader;
JarFile xbayaJarFile = jythonLoader.getXBayaJarFile();
if (xbayaJarFile != null) {
String jarPath = xbayaJarFile.getName();
logger.debug("jarPath: " + jarPath);
// String jarDir = jarPath.substring(0,
// jarPath.lastIndexOf());
File jarFile = new File(jarPath);
String jarDir = jarFile.getParent();
logger.debug("jarDir: " + jarDir);
// This is for the Jython interpreter to
// solve import statements.
PySystemState.add_extdir(jarDir);
}
}
PythonInterpreter interpreter = new PythonInterpreter();
interpreter.exec(script);
return null;
}
});
} catch (PrivilegedActionException e) {
logger.error(e.getMessage(), e);
throw new WorkflowException(e.getCause());
}
}
}