Add a CodeRunner plugin that executes scripts

Author: ctrueden

src/main/java/org/scijava/script/run/ScriptCodeRunner.java

@@ -0,0 +1,112 @@
+/*
+ * #%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.run;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Map;
+
+import javax.script.ScriptException;
+
+import org.scijava.plugin.Parameter;
+import org.scijava.plugin.Plugin;
+import org.scijava.run.AbstractCodeRunner;
+import org.scijava.run.CodeRunner;
+import org.scijava.script.ScriptService;
+
+/**
+ * Runs the given script.
+ * 
+ * @author Curtis Rueden
+ * @author Mark Hiner
+ */
+@Plugin(type = CodeRunner.class)
+public class ScriptCodeRunner extends AbstractCodeRunner {
+
+	@Parameter
+	private ScriptService scriptService;
+
+	// -- CodeRunner methods --
+
+	@Override
+	public void run(final Object code, final Object... args)
+		throws InvocationTargetException
+	{
+		try {
+			waitFor(scriptService.run(getScript(code), true, args));
+		}
+		catch (final FileNotFoundException exc) {
+			throw new InvocationTargetException(exc);
+		}
+		catch (final ScriptException exc) {
+			throw new InvocationTargetException(exc);
+		}
+	}
+
+	@Override
+	public void run(final Object code, final Map<String, Object> inputMap)
+		throws InvocationTargetException
+	{
+		try {
+			waitFor(scriptService.run(getScript(code), true, inputMap));
+		}
+		catch (final FileNotFoundException exc) {
+			throw new InvocationTargetException(exc);
+		}
+		catch (final ScriptException exc) {
+			throw new InvocationTargetException(exc);
+		}
+	}
+
+	// -- Typed methods --
+
+	@Override
+	public boolean supports(final Object code) {
+		return getScript(code) != null;
+	}
+
+	// -- Helper methods --
+
+	private File getScript(final Object code) {
+		final File scriptFile;
+		if (code instanceof File) scriptFile = (File) code;
+		else if (code instanceof String) scriptFile = new File((String) code);
+		else return null;
+
+		if (!scriptFile.exists()) return null;
+		if (!scriptService.canHandleFile(scriptFile)) return null;
+
+		return scriptFile;
+	}
+
+}