2009/04/15 - Apache HiveMind has been retired.

For more information, please explore the Attic.

Clover coverage report - Code Coverage for hivemind release 1.2.1

Coverage timestamp: Fri Feb 10 2006 16:33:43 PST

FRAMES NO FRAMES

file stats:	LOC:	96		Methods:	3
	NCLOC:	54		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

EnumerationTranslator.java

100%

100%

1		// Copyright 2004, 2005 The Apache Software Foundation
2		//
3		// Licensed under the Apache License, Version 2.0 (the "License");
4		// you may not use this file except in compliance with the License.
5		// You may obtain a copy of the License at
6		//
7		// http://www.apache.org/licenses/LICENSE-2.0
8		//
9		// Unless required by applicable law or agreed to in writing, software
10		// distributed under the License is distributed on an "AS IS" BASIS,
11		// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12		// See the License for the specific language governing permissions and
13		// limitations under the License.
14
15		package org.apache.hivemind.schema.rules;
16
17		import java.lang.reflect.Field;
18		import java.util.Map;
19
20		import org.apache.hivemind.ApplicationRuntimeException;
21		import org.apache.hivemind.HiveMind;
22		import org.apache.hivemind.Location;
23		import org.apache.hivemind.internal.Module;
24		import org.apache.hivemind.schema.Translator;
25
26		/**
27		* Used to translate a set of strings to one of a number of constant values.
28		* Each input string is matched against the name of a public static field
29		* of a class. The name of the class, and the mappings, are provided
30		* in the initializer.
31		*
32		* @author Howard Lewis Ship
33		*/
34		public class EnumerationTranslator implements Translator
35		{
36		private Map _mappings;
37		private String _className;
38		private Class _class;
39
40		/**
41		* Initialized the translator; the intitializer is the name of the class, a comma,
42		* and a series of key=value mappings from the input values to the names
43		* of the public static fields of the class.
44		*/
45	5	public EnumerationTranslator(String initializer)
46		{
47	5	int commax = initializer.indexOf(',');
48
49	5	_className = initializer.substring(0, commax);
50
51	5	_mappings = RuleUtils.convertInitializer(initializer.substring(commax + 1));
52		}
53
54	5	private synchronized Class getClass(Module contributingModule)
55		{
56	5	if (_class == null)
57	4	_class = contributingModule.resolveType(_className);
58
59	4	return _class;
60		}
61
62	6	public Object translate(
63		Module contributingModule,
64		Class propertyType,
65		String inputValue,
66		Location location)
67		{
68	6	if (HiveMind.isBlank(inputValue))
69	1	return null;
70
71	5	Class c = getClass(contributingModule);
72
73	4	String fieldName = (String) _mappings.get(inputValue);
74
75	4	if (fieldName == null)
76	1	throw new ApplicationRuntimeException(
77		RulesMessages.enumNotRecognized(inputValue),
78		location,
79		null);
80
81	3	try
82		{
83	3	Field f = c.getField(fieldName);
84
85	2	return f.get(null);
86		}
87		catch (Exception ex)
88		{
89	1	throw new ApplicationRuntimeException(
90		RulesMessages.enumError(c, fieldName, ex),
91		location,
92		ex);
93		}
94		}
95
96		}