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:
27: package org.cougaar.util;
28:
29: import java.util.ArrayList;
30: import java.util.Collection;
31: import java.util.Enumeration;
32: import java.util.Iterator;
33:
34: /**
35: * Translations holds a set of static methods for translating between
36: * various representations of objects, primarily collection-like
37: * things. For the most part, this functionality should either not be
38: * needed (e.g. enumeration versus iteration) or belongs in core java.
39: **/
40:
41: public final class Translations {
42: private Translations() {
43: }
44:
45: /** copy the contents of an enumeration into a collection for later
46: * searching. The Enumeration will be empty when the method
47: * returns.
48: **/
49: public static Collection toCollection(Enumeration e) {
50: Collection tmp = new ArrayList();
51: while (e.hasMoreElements()) {
52: tmp.add(e.nextElement());
53: }
54: return tmp;
55: }
56:
57: public static Collection toCollection(Iterator i) {
58: Collection tmp = new ArrayList();
59: while (i.hasNext()) {
60: tmp.add(i.next());
61: }
62: return tmp;
63: }
64:
65: public static Enumeration toEnumeration(Collection c) {
66: return new Enumerator(c);
67: }
68:
69: public static Enumeration toEnumeration(Iterator i) {
70: return new Enumerator(i);
71: }
72: }
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