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+/*%0A * #%25L%0A * SciJava Common shared library for SciJava software.%0A * %25%25%0A * Copyright (C) 2009 - 2015 Board of Regents of the University of%0A * Wisconsin-Madison, Broad Institute of MIT and Harvard, and Max Planck%0A * Institute of Molecular Cell Biology and Genetics.%0A * %25%25%0A * Redistribution and use in source and binary forms, with or without%0A * modification, are permitted provided that the following conditions are met:%0A * %0A * 1. Redistributions of source code must retain the above copyright notice,%0A *    this list of conditions and the following disclaimer.%0A * 2. Redistributions in binary form must reproduce the above copyright notice,%0A *    this list of conditions and the following disclaimer in the documentation%0A *    and/or other materials provided with the distribution.%0A * %0A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS %22AS IS%22%0A * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE%0A * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE%0A * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE%0A * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR%0A * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF%0A * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS%0A * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN%0A * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)%0A * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE%0A * POSSIBILITY OF SUCH DAMAGE.%0A * #L%25%0A */%0A%0Apackage org.scijava.module.process;%0A%0Aimport org.scijava.module.Module;%0Aimport org.scijava.module.ModuleItem;%0Aimport org.scijava.module.ModuleService;%0Aimport org.scijava.plugin.Parameter;%0A%0A/**%0A * Abstract superclass for %7B@link PreprocessorPlugin%7D implementations that%0A * populate singleton inputs (e.g. it is common to have modules that operate on%0A * a single %7B@link Dataset%7D). Contains helper methods to facilitate this%0A * functionality.%0A *%0A * @author Mark Hiner%0A */%0Apublic abstract class AbstractSingleInputPreprocessor extends%0A%09AbstractPreprocessorPlugin%0A%7B%0A%0A%09@Parameter%0A%09private ModuleService moduleService;%0A%0A%09/**%0A%09 * Helper method to look up the name of singleton module inputs of a given%0A%09 * type.%0A%09 *%0A%09 * @param module Module to check for single input%0A%09 * @param type Type of single input to look for%0A%09 * @return If the given module has exactly one input of the specified type,%0A%09 *         return that input's name. Otherwise null;%0A%09 */%0A%09protected String getSingleInput(final Module module, final Class%3C?%3E type) %7B%0A%09%09if (moduleService == null) return null;%0A%09%09final ModuleItem%3C?%3E item = moduleService.getSingleInput(module, type);%0A%09%09if (item == null %7C%7C !item.isAutoFill()) return null;%0A%0A%09%09return item.getName();%0A%09%7D%0A%0A%7D%0A

Add AbstractSingleInputPreprocessor