Update package structure of handles and locations

Each location / handle pair now lives in it's own package under
org.scijava.io.location, which also contains all the abstract Location
implementations.

Author: gab1one

…a/org/scijava/io/AbstractDataHandle.java …java/io/location/AbstractDataHandle.javasrc/main/java/org/scijava/io/AbstractDataHandle.java renamed to src/main/java/org/scijava/io/location/AbstractDataHandle.java src/main/java/org/scijava/io/AbstractDataHandle.java renamed to src/main/java/org/scijava/io/location/AbstractDataHandle.java

@@ -29,10 +29,12 @@
  * #L%
  */
 
-package org.scijava.io;
+package org.scijava.io.location;
 
 import java.nio.ByteOrder;
 
+import org.scijava.io.DataHandle;
+import org.scijava.io.Location;
 import org.scijava.plugin.AbstractWrapperPlugin;
 
 /**

src/main/java/org/scijava/io/location/AbstractHigherOrderLocation.java

@@ -0,0 +1,84 @@
+/*
+ * #%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;
+
+import java.util.Objects;
+
+import org.scijava.io.Location;
+
+/**
+ * Abstract superclass for {@link Location}s that wrap other {@link Location}s.
+ * 
+ * @author Gabriel Einsdorf
+ */
+public abstract class AbstractHigherOrderLocation extends AbstractLocation {
+
+	/**
+	 * The location wrapped by this class
+	 */
+	protected final Location location;
+
+	public AbstractHigherOrderLocation(Location location) {
+		Objects.requireNonNull(location);
+		this.location = location;
+	}
+
+	/**
+	 * @return the {@link Location} wrapped by this higher order location
+	 */
+	public Location getBaseLocation() {
+		return location;
+	}
+
+	@Override
+	public String getName() {
+		return location.getName();
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = super.hashCode();
+		result = prime * result + ((location == null) ? 0 : location.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj) return true;
+		if (obj == null) return false;
+		if (getClass() != obj.getClass()) return false;
+		AbstractHigherOrderLocation other = (AbstractHigherOrderLocation) obj;
+		return (location.equals(other.location));
+	}
+
+}

…ava/org/scijava/io/AbstractLocation.java …cijava/io/location/AbstractLocation.javasrc/main/java/org/scijava/io/AbstractLocation.java renamed to src/main/java/org/scijava/io/location/AbstractLocation.java src/main/java/org/scijava/io/AbstractLocation.java renamed to src/main/java/org/scijava/io/location/AbstractLocation.java

@@ -29,10 +29,12 @@
  * #L%
  */
 
-package org.scijava.io;
+package org.scijava.io.location;
 
 import java.util.Objects;
 
+import org.scijava.io.Location;
+
 /**
  * Abstract base class for {@link Location} implementations.
  * 

…g/scijava/io/AbstractRemoteLocation.java …/io/location/AbstractRemoteLocation.javasrc/main/java/org/scijava/io/AbstractRemoteLocation.java renamed to src/main/java/org/scijava/io/location/AbstractRemoteLocation.java src/main/java/org/scijava/io/AbstractRemoteLocation.java renamed to src/main/java/org/scijava/io/location/AbstractRemoteLocation.java

@@ -29,7 +29,7 @@
  * #L%
  */
 
-package org.scijava.io;
+package org.scijava.io.location;
 
 /**
  * Abstract base class for {@link RemoteLocation} implementations.

…ava/io/AbstractSeekableStreamHandle.java …cation/AbstractSeekableStreamHandle.javasrc/main/java/org/scijava/io/AbstractSeekableStreamHandle.java renamed to src/main/java/org/scijava/io/location/AbstractSeekableStreamHandle.java src/main/java/org/scijava/io/AbstractSeekableStreamHandle.java renamed to src/main/java/org/scijava/io/location/AbstractSeekableStreamHandle.java

@@ -29,10 +29,12 @@
  * #L%
  */
 
-package org.scijava.io;
+package org.scijava.io.location;
 
 import java.io.IOException;
 
+import org.scijava.io.Location;
+
 public abstract class AbstractSeekableStreamHandle<L extends Location> extends
 	AbstractStreamHandle<L> implements SeekableStreamHandle<L>
 {

…org/scijava/io/AbstractStreamHandle.java …va/io/location/AbstractStreamHandle.javasrc/main/java/org/scijava/io/AbstractStreamHandle.java renamed to src/main/java/org/scijava/io/location/AbstractStreamHandle.java src/main/java/org/scijava/io/AbstractStreamHandle.java renamed to src/main/java/org/scijava/io/location/AbstractStreamHandle.java

@@ -29,7 +29,9 @@
  * #L%
  */
 
-package org.scijava.io;
+package org.scijava.io.location;
+
+import org.scijava.io.Location;
 
 /**
  * Abstract base class for {@link StreamHandle} implementations.

…org/scijava/io/BufferedStreamHandle.java …va/io/location/BufferedStreamHandle.javasrc/main/java/org/scijava/io/BufferedStreamHandle.java renamed to src/main/java/org/scijava/io/location/BufferedStreamHandle.java src/main/java/org/scijava/io/BufferedStreamHandle.java renamed to src/main/java/org/scijava/io/location/BufferedStreamHandle.java

@@ -29,7 +29,9 @@
  * #L%
  */
 
-package org.scijava.io;
+package org.scijava.io.location;
+
+import org.scijava.io.Location;
 
 /**
  * A buffered {@link StreamHandle}.

…java/io/DefaultBufferedStreamHandle.java …ocation/DefaultBufferedStreamHandle.javasrc/main/java/org/scijava/io/DefaultBufferedStreamHandle.java renamed to src/main/java/org/scijava/io/location/DefaultBufferedStreamHandle.java src/main/java/org/scijava/io/DefaultBufferedStreamHandle.java renamed to src/main/java/org/scijava/io/location/DefaultBufferedStreamHandle.java

@@ -29,12 +29,18 @@
  * #L%
  */
 
-package org.scijava.io;
+package org.scijava.io.location;
 
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 
+import org.scijava.io.DataHandleInputStream;
+import org.scijava.io.DataHandleOutputStream;
+import org.scijava.io.Location;
+import org.scijava.io.bytes.ByteArrayIOBuffer;
+import org.scijava.io.bytes.IOBuffer;
+
 /**
  * A {@link BufferedStreamHandle} backed by an {@link IOBuffer}.
  * 

…/java/org/scijava/io/RemoteLocation.java …/scijava/io/location/RemoteLocation.javasrc/main/java/org/scijava/io/RemoteLocation.java renamed to src/main/java/org/scijava/io/location/RemoteLocation.java src/main/java/org/scijava/io/RemoteLocation.java renamed to src/main/java/org/scijava/io/location/RemoteLocation.java

@@ -29,7 +29,9 @@
  * #L%
  */
 
-package org.scijava.io;
+package org.scijava.io.location;
+
+import org.scijava.io.Location;
 
 /**
  * A {@link Location} which resides on a remote machine.

…g/scijava/io/ResettableStreamHandle.java …/io/location/ResettableStreamHandle.javasrc/main/java/org/scijava/io/ResettableStreamHandle.java renamed to src/main/java/org/scijava/io/location/ResettableStreamHandle.java src/main/java/org/scijava/io/ResettableStreamHandle.java renamed to src/main/java/org/scijava/io/location/ResettableStreamHandle.java

@@ -29,12 +29,15 @@
  * #L%
  */
 
-package org.scijava.io;
+package org.scijava.io.location;
 
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 
+import org.scijava.io.DataHandle;
+import org.scijava.io.Location;
+
 /**
  * A {@link DataHandle} backed by an {@link InputStream} and/or
  * {@link OutputStream}. Supports resetting the handle to the start of the