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SciJava Common is a shared library for SciJava software. It provides a plugin framework, with an extensible mechanism for service discovery, backed by its own annotation processor, so that plugins can be loaded dynamically. It is used by downstream projects in the SciJava ecosystem, such as ImageJ and SCIFIO.

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/*
 * #%L
 * SciJava Common shared library for SciJava software.
 * %%
 * Copyright (C) 2009 - 2016 Board of Regents of the University of
 * Wisconsin-Madison, Broad Institute of MIT and Harvard, and Max Planck
 * Institute of Molecular Cell Biology and Genetics.
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * #L%
 */
package org.scijava.script.console;

import java.io.File;
import java.util.LinkedList;
import java.util.Map;

import org.scijava.console.AbstractConsoleArgument;
import org.scijava.console.ConsoleArgument;
import org.scijava.console.ConsoleUtils;
import org.scijava.log.LogService;
import org.scijava.plugin.Parameter;
import org.scijava.plugin.Plugin;
import org.scijava.script.ScriptInfo;
import org.scijava.script.ScriptService;

/**
 * @deprecated Use {@link org.scijava.run.console.RunArgument} instead.
 */
@Deprecated
@Plugin(type = ConsoleArgument.class)
public class RunScriptArgument extends AbstractConsoleArgument {

	@Parameter
	private ScriptService scriptService;

	@Parameter
	private LogService log;

	// -- Constructor --

	public RunScriptArgument() {
		super(2, "--script");
	}

	// -- ConsoleArgument methods --

	@Override
	public void handle(final LinkedList args) {
		if (!supports(args))
			return;

		log.warn("The --script flag is deprecated, and will\n" +
			"be removed in a future release. Use --run instead.");

		args.removeFirst(); // --script
		final String scriptToRun = args.removeFirst();
		final String paramString = ConsoleUtils.hasParam(args) ? args.removeFirst() : "";

		run(scriptToRun, paramString);
	}

	// -- Typed methods --

	@Override
	public boolean supports(final LinkedList args) {
		if (!super.supports(args))
			return false;
		return getScript(args.get(1)) != null;
	}

	// -- Helper methods --

	/**
	 * Run the script
	 */
	private void run(final String scriptToRun, final String paramString) {
		final File script = getScript(scriptToRun);

		if (script == null) {
			// couldn't find anything to run
			throw new UnsupportedOperationException(//
				"Not a script: '" + scriptToRun + "'");
		}

		final ScriptInfo info = scriptService.getScript(script);

		final Map inputMap = ConsoleUtils.parseParameterString(paramString, info, log);

		try {
			scriptService.run(info, true, inputMap).get();
		} catch (final Exception exc) {
			log.error(exc);
		}
	}

	/**
	 * Try to convert the given string to a {@link File} representing a
	 * supported script type.
	 */
	private File getScript(final String string) {
		final File scriptFile = new File(string);
		return scriptFile.exists() && scriptService.canHandleFile(scriptFile) ? scriptFile : null;
	}
}