package org.jboss.windup.reporting.freemarker;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.jboss.windup.config.GraphRewrite;
import org.jboss.windup.graph.GraphContext;
import org.jboss.windup.reporting.service.ReportService;
import org.jboss.windup.util.exception.WindupException;
import freemarker.core.Environment;
import freemarker.template.SimpleScalar;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateException;
import freemarker.template.TemplateModel;
/**
* Writes the contents of the directive to disk in the reports data directory.
*
* @author <a href="mailto:jesse.sightler@gmail.com">Jesse Sightler</a>
*/
public class WriteToDiskDirective implements WindupFreeMarkerTemplateDirective
{
public static final String NAME = "write_to_disk";
public static final String FILENAME = "filename";
private GraphContext context;
@Override
public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException, IOException
{
SimpleScalar filename = (SimpleScalar) params.get(FILENAME);
if (filename == null || StringUtils.isBlank(filename.getAsString()))
throw new WindupException(NAME + " - Validation error, " + FILENAME + " parameter must not be blank!");
Path dataDirectory = new ReportService(context).getReportDataDirectory();
Path outputPath = dataDirectory.resolve(filename.getAsString());
try (FileWriter writer = new FileWriter(outputPath.toFile()))
{
body.render(writer);
}
}
@Override
public String getDirectiveName()
{
return NAME;
}
@Override
public String getDescription()
{
return "Writes the contents of the directive to disk";
}
@Override
public void setContext(GraphRewrite event)
{
this.context = event.getGraphContext();
}
}