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 * SciJava Common shared library for SciJava software.
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package org.scijava.module.process;

import java.util.Map;

import org.scijava.Priority;
import org.scijava.log.LogService;
import org.scijava.module.Module;
import org.scijava.plugin.Parameter;
import org.scijava.plugin.Plugin;

/**
 * A postprocessor plugin that dumps parameter values to the log.
 * 
 * @author Curtis Rueden
 */
@Plugin(type = PostprocessorPlugin.class, priority = Priority.FIRST)
public class DebugPostprocessor extends AbstractPostprocessorPlugin {

	@Parameter(required = false)
	private LogService log;

	// -- ModuleProcessor methods --

	@Override
	public void process(final Module module) {
		if (log == null || !log.isDebug()) return;

		// dump input values to log
		log.debug("INPUTS:");
		final Map<String, Object> inputs = module.getInputs();
		for (final String key : inputs.keySet()) {
			log.debug("\t" + key + " = " + inputs.get(key));
		}

		// dump output values to log
		log.debug("OUTPUTS:");
		final Map<String, Object> outputs = module.getOutputs();
		for (final String key : outputs.keySet()) {
			log.debug("\t" + key + " = " + outputs.get(key));
		}
	}

}
