@@ -0,0 +1,2978 @@
+/*%0A * #%25L%0A * SciJava Common shared library for SciJava software.%0A * %25%25%0A * Copyright (C) 2009 - 2014 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.convert;%0A%0Aimport org.scijava.Priority;%0Aimport org.scijava.plugin.Plugin;%0Aimport org.scijava.util.ConversionUtils;%0A%0A/**%0A * %7B@link Converter%7D implementation for handling %7B@code null%7D values. Performs%0A * basic casting when given a %7B@code null%7D source and returns %7B@code%7D null%0A * directly when given a %7B@code%7D null destination.%0D%0A * %3Cp%3E%0A * By running at %7B@link Priority#FIRST_PRIORITY%7D, other converters should%0A * not need to worry about %7B@code null%7D source or destination parameters.%0A * %3C/p%3E%0A *%0A * @author Mark Hiner%0A */%0A@Plugin(type = Converter.class, priority = Priority.FIRST_PRIORITY)%0Apublic class NullConverter extends AbstractConverter%3CObject, Object%3E %7B%0A%0A%09@Override%0A%09public boolean canConvert(final Object src, final Class%3C?%3E dest) %7B%0A%09%09return src == null %7C%7C super.canConvert(src, dest);%0A%09%7D%0A%0A%09@Override%0A%09public boolean canConvert(final Class%3C?%3E src, final Class%3C?%3E dest) %7B%0A%09%09return src == null %7C%7C dest == null;%0A%09%7D%0A%0A%09@Override%0A%09public %3CT%3E T convert(final Object src, final Class%3CT%3E dest) %7B%0A%09%09if (dest == null) return null;%0A%09%09if (src == null) return ConversionUtils.getNullValue(dest);%0A%0A%09%09throw new IllegalArgumentException(%22Attempting non-null conversion: %22 +%0A%09%09%09src + %22 %3E %22 + dest + %22 using NullConverter.%22);%0A%09%7D%0A%0A%09@Override%0A%09public Class%3CObject%3E getOutputType() %7B%0A%09%09return Object.class;%0A%09%7D%0A%0A%09@Override%0A%09public Class%3CObject%3E getInputType() %7B%0A%09%09return Object.class;%0A%09%7D%0A%0A%7D%0A

Create NullConverter