Add support for BZip2 (adapted from SCIFIO)

Author: gab1one

src/main/java/org/scijava/io/location/bzip2/BZip2Handle.java

@@ -0,0 +1,64 @@
+/*
+ * #%L
+ * SciJava Common shared library for SciJava software.
+ * %%
+ * Copyright (C) 2009 - 2017 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.io.location.bzip2;
+
+import java.io.IOException;
+
+import org.scijava.io.DataHandle;
+import org.scijava.io.location.AbstractCompressedHandle;
+import org.scijava.plugin.Plugin;
+
+/**
+ * {@link DataHandle} for a {@link BZip2Location}.
+ *
+ * @author Gabriel Einsdorf
+ */
+@Plugin(type = DataHandle.class)
+public class BZip2Handle extends AbstractCompressedHandle<BZip2Location> {
+
+	@Override
+	protected void initInputStream() throws IOException {
+
+		int skipped = 0;
+		// ensure 2 bytes are skipped
+		while (skipped < 2) {
+			skipped += raw().skip(2l - skipped);
+		}
+		inputStream = new CBZip2InputStream(raw(), log());
+	}
+
+	@Override
+	public Class<BZip2Location> getType() {
+		return BZip2Location.class;
+	}
+
+}

src/main/java/org/scijava/io/location/bzip2/BZip2Location.java

@@ -0,0 +1,25 @@
+
+package org.scijava.io.location.bzip2;
+
+import org.scijava.io.DataHandle;
+import org.scijava.io.Location;
+import org.scijava.io.location.AbstractHigherOrderLocation;
+
+/**
+ * {@link Location} backed by a {@link DataHandle} that is BZip2 compressed.
+ * 
+ * @author Gabriel Einsdorf
+ * @see BZip2Handle
+ */
+public class BZip2Location extends AbstractHigherOrderLocation {
+
+	/**
+	 * Creates a {@link BZip2Location} wrapping the given location
+	 *
+	 * @param location the location to operate on
+	 */
+	public BZip2Location(final Location location) {
+		super(location);
+	}
+
+}