#52 Add support for DTED2 files (#77)

* DTEDParser first implementation

* build is broken

* it crashes, but pushing what I have today

* DTED finally works!

* fix user Strings for DTED

* More refactoring

* reject DTED0 and DTED1 files

app/build.gradle

@@ -22,8 +22,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_1_9
+        targetCompatibility JavaVersion.VERSION_1_9
     }
     buildFeatures {
         viewBinding true

app/src/main/java/com/agilesrc/dem4j/BoundingBox.java

@@ -0,0 +1,177 @@
+/*
+ *  Copyright 2001 AgileSrc LLC
+ *
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  
+ */
+package com.agilesrc.dem4j;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+/**
+ * <p>The BoundingBox object defines an area on the
+ * earth in decimal degrees</p>
+ *
+ * <p>Organization: AgileSrc LLC (www.agilesrc.com)</p>
+ * @author  Mark Horn
+ */
+public class BoundingBox {
+    //=========================================================================
+    // CONSTANTS
+    //=========================================================================
+
+    //=========================================================================
+    // VARIABLES
+    //=========================================================================
+    private double _north;
+    private double _south;
+    private double _east;
+    private double _west;
+
+    //=========================================================================
+    // CONSTRUCTORS
+    //=========================================================================
+    /**
+     * 
+     */
+    public BoundingBox() {
+        //nothing;
+    }
+
+    /**
+     * @param north
+     * @param south
+     * @param west
+     * @param east
+     * @throws InstantiationException - throw if box is invalid
+     */
+    public BoundingBox(final double north, final double south, 
+            final double west, final double east) {
+        _north = north;
+        _south = south;
+        _west = west;
+        _east = east;
+    }
+
+    /**
+     * @param southWest
+     * @param northEast
+     * @throws InstantiationException - throw if box is invalid
+     */
+    public BoundingBox(final Point southWest, final Point northEast) {
+        _north = northEast.getLatitude();
+        _south = southWest.getLatitude();
+        _west = southWest.getLongitude();
+        _east = northEast.getLongitude();
+    }
+
+    //=========================================================================
+    // PUBLIC METHODS
+    //=========================================================================
+
+    /**
+     * @return the north
+     */
+    public double getNorth() {
+        return _north;
+    }
+
+    /**
+     * @param north the north to set
+     */
+    public void setNorth(final double north) {
+        _north = north;
+    }
+
+    /**
+     * @return the south
+     */
+    public double getSouth() {
+        return _south;
+    }
+
+    /**
+     * @param south the south to set
+     */
+    public void setSouth(final double south) {
+        _south = south;
+    }
+
+    /**
+     * @return the east
+     */
+    public double getEast() {
+        return _east;
+    }
+
+    /**
+     * @param east the east to set
+     */
+    public void setEast(final double east) {
+        _east = east;
+    }
+
+    /**
+     * @return the west
+     */
+    public double getWest() {
+        return _west;
+    }
+
+    /**
+     * @param west the west to set
+     */
+    public void setWest(final double west) {
+        _west = west;
+    }
+
+    /**
+     * is the point in the box
+     * 
+     * @param point
+     * @return
+     */
+    public boolean contains(final Point point) {
+        boolean result = false;
+
+        if (point != null) {
+            result = point.getLatitude() <= _north 
+                && point.getLatitude() >= _south 
+                && point.getLongitude() >= _west
+                && point.getLongitude() <= _east;
+        }
+
+        return result;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#toString()
+     */
+    public String toString() {
+        return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
+            .append("north",_north).append("south",_south)
+            .append("west",_west).append("east",_east).toString();
+    }
+
+    //=========================================================================
+    // DEFAULT METHODS
+    //=========================================================================
+
+    //=========================================================================
+    // PROTECTED METHODS
+    //=========================================================================
+
+    //=========================================================================
+    // PRIVATE METHODS
+    //=========================================================================
+
+    //=========================================================================
+    // INNER CLASSES
+    //=========================================================================
+
+}
+