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*
* 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
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package org.apache.airavata.gfac.handler;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import net.schmizz.sshj.xfer.scp.SCPFileTransfer;
import org.apache.airavata.commons.gfac.type.ActualParameter;
import org.apache.airavata.commons.gfac.type.MappingFactory;
import org.apache.airavata.gfac.GFacException;
import org.apache.airavata.gfac.context.JobExecutionContext;
import org.apache.airavata.gfac.context.MessageContext;
import org.apache.airavata.gfac.context.security.SSHSecurityContext;
import org.apache.airavata.schemas.gfac.ApplicationDeploymentDescriptionType;
import org.apache.airavata.schemas.gfac.URIArrayType;
import org.apache.airavata.schemas.gfac.URIParameterType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SCPInputHandler implements GFacHandler{
private static final Logger log = LoggerFactory.getLogger(SCPInputHandler.class);
@Override
public void invoke(JobExecutionContext jobExecutionContext) throws GFacHandlerException,GFacException {
log.info("Invoking SCPInputHandler");
MessageContext inputNew = new MessageContext();
try {
MessageContext input = jobExecutionContext.getInMessageContext();
Set<String> parameters = input.getParameters().keySet();
for (String paramName : parameters) {
ActualParameter actualParameter = (ActualParameter) input.getParameters().get(paramName);
String paramValue = MappingFactory.toString(actualParameter);
//TODO: Review this with type
if ("URI".equals(actualParameter.getType().getType().toString())) {
((URIParameterType) actualParameter.getType()).setValue(stageInputFiles(jobExecutionContext, paramValue));
} else if ("URIArray".equals(actualParameter.getType().getType().toString())) {
List<String> split = Arrays.asList(paramValue.split(","));
List<String> newFiles = new ArrayList<String>();
for (String paramValueEach : split) {
newFiles.add(stageInputFiles(jobExecutionContext, paramValueEach));
}
((URIArrayType) actualParameter.getType()).setValueArray(newFiles.toArray(new String[newFiles.size()]));
}
inputNew.getParameters().put(paramName, actualParameter);
}
} catch (Exception e) {
log.error(e.getMessage());
throw new GFacHandlerException("Error while input File Staging", jobExecutionContext, e, e.getLocalizedMessage());
}
jobExecutionContext.setInMessageContext(inputNew);
}
private static String stageInputFiles(JobExecutionContext context,String paramValue) throws IOException,GFacException{
ApplicationDeploymentDescriptionType app = context.getApplicationContext().getApplicationDeploymentDescription().getType();
SSHSecurityContext securityContext = (SSHSecurityContext)context.getSecurityContext(SSHSecurityContext.SSH_SECURITY_CONTEXT);
SCPFileTransfer fileTransfer = securityContext.getSSHClient().newSCPFileTransfer();
String remoteFile = app.getInputDataDirectory() + File.separatorChar + paramValue;
File inputFile = new File(paramValue);
fileTransfer.upload(inputFile.getAbsolutePath(), remoteFile);
return remoteFile;
}
}