01: /*
02: * <copyright>
03: *
04: * Copyright 1997-2004 BBNT Solutions, LLC
05: * under sponsorship of the Defense Advanced Research Projects
06: * Agency (DARPA).
07: *
08: * You can redistribute this software and/or modify it under the
09: * terms of the Cougaar Open Source License as published on the
10: * Cougaar Open Source Website (www.cougaar.org).
11: *
12: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
14: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
15: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
16: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
17: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
18: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23: *
24: * </copyright>
25: */
26: package org.cougaar.logistics.ui.inventory;
27:
28: import java.util.Hashtable;
29:
30: public class InventoryUnitConverter {
31: Hashtable factorTable;
32: private String baseUnit;
33:
34: public InventoryUnitConverter(String defaultUnit) {
35: factorTable = new Hashtable();
36: baseUnit = defaultUnit;
37: addFactor(defaultUnit, (double) 1.0);
38: }
39:
40: public void addFactor(String convertingToUnit, double factor) {
41: InventoryUnitConversion convert = new InventoryUnitConversion(
42: baseUnit, convertingToUnit, factor);
43: addFactor(convertingToUnit, convert);
44: }
45:
46: public void addFactor(String convertingToUnit,
47: InventoryUnitConversion convert) {
48: factorTable.put(convertingToUnit, convert);
49: }
50:
51: public String getBaseUnit() {
52: return baseUnit;
53: }
54:
55: protected InventoryUnitConversion getConversionForUnit(String unit) {
56: InventoryUnitConversion factorObj = (InventoryUnitConversion) factorTable
57: .get(unit);
58: if (factorObj == null) {
59: factorObj = new InventoryUnitConversion(baseUnit, baseUnit,
60: 1);
61: }
62: return factorObj;
63: }
64:
65: }
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