package com.esri.geoevent.solutions.processor.buffer;
/*
* #%L
* Esri :: AGES :: Solutions :: Processor :: Geometry
* $Id:$
* $HeadURL:$
* %%
* Copyright (C) 2013 - 2014 Esri
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import java.io.IOError;
import java.util.HashMap;
import com.esri.core.geometry.LinearUnit;
import com.esri.core.geometry.SpatialReference;
import com.esri.core.geometry.Unit;
//import com.esri.core.geometry.LinearUnit;
//import com.esri.core.geometry.SpatialReference;
//import com.esri.core.geometry.Unit;
public class UnitConverter {
private HashMap<String, Integer> wkidLookup = new HashMap<String, Integer>();
private HashMap<String, String> cannonicalNameLookup = new HashMap<String, String>();
public UnitConverter() {
wkidLookup.put("Meter", 9001);
wkidLookup.put("Kilometer", 9036);
wkidLookup.put("Foot_US", 9003);
wkidLookup.put("Mile_US", 9035);
wkidLookup.put("Nautical_Mile", 9030);
cannonicalNameLookup.put("Meters", "Meter");
cannonicalNameLookup.put("Kilometers", "Kilometer");
cannonicalNameLookup.put("Feet", "Foot_US");
cannonicalNameLookup.put("Miles", "Mile_US");
cannonicalNameLookup.put("Nautical Miles", "Nautical_Mile");
}
public int findWkid(String unit) {
if (!wkidLookup.containsKey(unit)) {
throw new IllegalArgumentException();
}
return wkidLookup.get(unit);
}
public String findConnonicalName(String unit) {
if (!cannonicalNameLookup.containsKey(unit)) {
throw new IllegalArgumentException();
}
return cannonicalNameLookup.get(unit);
}
public double Convert( double value, int wkidin, int wkidout)
{
Unit uin = LinearUnit.create(wkidin);
Unit uout = LinearUnit.create(wkidout);
value = Unit.convertUnits(value, uin, uout);
return value;
}
public double Convert(double v, String unitsin, SpatialReference srout)
{
Unit u = srout.getUnit();
String srcannonicalName = u.getName();
int srwkid = findWkid(srcannonicalName);
String cannonicalName = findConnonicalName(unitsin);
int unitwkid = findWkid(cannonicalName);
if(srwkid != unitwkid)
{
v = Convert(v, unitwkid, srwkid);
}
return v;
}
}