01: /*****************************************************************************
02: * Java Plug-in Framework (JPF)
03: * Copyright (C) 2007 Dmitry Olshansky
04: *
05: * This library is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU Lesser General Public
07: * License as published by the Free Software Foundation; either
08: * version 2.1 of the License, or (at your option) any later version.
09: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library; if not, write to the Free Software
17: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18: *****************************************************************************/package org.java.plugin.registry;
19:
20: /**
21: * Parameter definition multiplicity constants.
22: */
23: public enum ParameterMultiplicity {
24: /**
25: * Parameter definition multiplicity constant.
26: */
27: ONE {
28: /**
29: * @see org.java.plugin.registry.ParameterMultiplicity#toCode()
30: */
31: @Override
32: public String toCode() {
33: return "one"; //$NON-NLS-1$
34: }
35: },
36:
37: /**
38: * Parameter definition multiplicity constant.
39: */
40: ANY {
41: /**
42: * @see org.java.plugin.registry.ParameterMultiplicity#toCode()
43: */
44: @Override
45: public String toCode() {
46: return "any"; //$NON-NLS-1$
47: }
48: },
49:
50: /**
51: * Parameter definition multiplicity constant.
52: */
53: NONE_OR_ONE {
54: /**
55: * @see org.java.plugin.registry.ParameterMultiplicity#toCode()
56: */
57: @Override
58: public String toCode() {
59: return "none-or-one"; //$NON-NLS-1$
60: }
61: },
62:
63: /**
64: * Parameter definition multiplicity constant.
65: */
66: ONE_OR_MORE {
67: /**
68: * @see org.java.plugin.registry.ParameterMultiplicity#toCode()
69: */
70: @Override
71: public String toCode() {
72: return "one-or-more"; //$NON-NLS-1$
73: }
74: };
75:
76: /**
77: * @return constant code to be used in plug-in manifest
78: */
79: public abstract String toCode();
80:
81: /**
82: * Converts plug-in manifest string code to parameter multiplicity constant
83: * value.
84: * @param code code from plug-in manifest
85: * @return parameter multiplicity constant value
86: */
87: public static ParameterMultiplicity fromCode(final String code) {
88: for (ParameterMultiplicity item : ParameterMultiplicity
89: .values()) {
90: if (item.toCode().equals(code)) {
91: return item;
92: }
93: }
94: throw new IllegalArgumentException(
95: "unknown parameter multiplicity code " + code); //$NON-NLS-1$
96: }
97: }
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