/*
* Copyright 1999-2008 University of Chicago
*
* 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.
*/
package org.globus.workspace.service.binding.defaults;
import org.globus.workspace.service.binding.BindKernel;
import org.globus.workspace.service.binding.vm.VirtualMachine;
import org.nimbustools.api.repr.vm.Kernel;
import org.nimbustools.api.services.rm.CreationException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.net.URI;
public class DefaultBindKernel implements BindKernel {
// -------------------------------------------------------------------------
// STATIC VARIABLES
// -------------------------------------------------------------------------
private static final Log logger =
LogFactory.getLog(DefaultBindKernel.class.getName());
// -------------------------------------------------------------------------
// implements BindKernel
// -------------------------------------------------------------------------
public void consume(VirtualMachine vm, Kernel kernel)
throws CreationException {
if (vm == null) {
throw new IllegalArgumentException("vm may not be null");
}
if (kernel == null) {
final String dbg = "kernel specification is not present in '" +
vm.getName() + "', setting default";
logger.debug(dbg);
vm.setKernel(null);
vm.setKernelParameters(null);
return; // *** EARLY RETURN ***
}
final URI uri = kernel.getKernel();
if (uri == null) {
final String dbg = "kernel specification is not present in '" +
vm.getName() + "', setting default";
logger.debug(dbg);
vm.setKernel(null);
} else if (!uri.getScheme().equals("file")) {
// not supporting propagating kernels currently
throw new CreationException("supplied, non-default kernel " +
"cannot currently be a remote file");
} else {
final String image = uri.toASCIIString();
logger.trace("found kernel image: '" + image + "'");
vm.setKernel(image);
}
final String params = kernel.getParameters();
if (params != null) {
logger.trace("found kernel parameters: '" + params + "'");
vm.setKernelParameters(params);
}
}
}