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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ClassObjectTypeFactory.java | 83.3% | 72.2% | 50% | 73.1% |
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1 | package org.drools.semantics.base; | |
2 | ||
3 | /* | |
4 | * $Id: ClassObjectTypeFactory.java,v 1.7.2.4 2005/04/30 13:49:43 mproctor Exp $ | |
5 | * | |
6 | * Copyright 2004 (C) The Werken Company. All Rights Reserved. | |
7 | * | |
8 | * Redistribution and use of this software and associated documentation | |
9 | * ("Software"), with or without modification, are permitted provided that the | |
10 | * following conditions are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain copyright statements and | |
13 | * notices. Redistributions must also contain a copy of this document. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright notice, | |
16 | * this list of conditions and the following disclaimer in the documentation | |
17 | * and/or other materials provided with the distribution. | |
18 | * | |
19 | * 3. The name "drools" must not be used to endorse or promote products derived | |
20 | * from this Software without prior written permission of The Werken Company. | |
21 | * For written permission, please contact bob@werken.com. | |
22 | * | |
23 | * 4. Products derived from this Software may not be called "drools" nor may | |
24 | * "drools" appear in their names without prior written permission of The Werken | |
25 | * Company. "drools" is a registered trademark of The Werken Company. | |
26 | * | |
27 | * 5. Due credit should be given to The Werken Company. | |
28 | * (http://drools.werken.com/). | |
29 | * | |
30 | * THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS ``AS IS'' | |
31 | * AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
32 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
33 | * ARE DISCLAIMED. IN NO EVENT SHALL THE WERKEN COMPANY OR ITS CONTRIBUTORS BE | |
34 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
35 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
36 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
37 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
38 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
39 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
40 | * POSSIBILITY OF SUCH DAMAGE. | |
41 | * | |
42 | */ | |
43 | ||
44 | import java.util.HashSet; | |
45 | import java.util.Iterator; | |
46 | import java.util.Set; | |
47 | ||
48 | import org.drools.rule.Rule; | |
49 | import org.drools.smf.Configuration; | |
50 | import org.drools.smf.FactoryException; | |
51 | import org.drools.smf.ObjectTypeFactory; | |
52 | import org.drools.spi.ImportEntry; | |
53 | import org.drools.spi.Importer; | |
54 | import org.drools.spi.ObjectType; | |
55 | import org.drools.spi.RuleBaseContext; | |
56 | ||
57 | public class ClassObjectTypeFactory | |
58 | implements | |
59 | ObjectTypeFactory | |
60 | { | |
61 | private static final ClassObjectTypeFactory INSTANCE = new ClassObjectTypeFactory( ); | |
62 | ||
63 | 0 | public static ClassObjectTypeFactory getInstance() |
64 | { | |
65 | 0 | return INSTANCE; |
66 | } | |
67 | ||
68 | 162 | public ObjectType newObjectType(Rule rule, |
69 | RuleBaseContext context, | |
70 | Configuration config) throws FactoryException | |
71 | { | |
72 | 162 | String className = config.getText( ).trim( ); |
73 | ||
74 | 162 | if ( className == null || className.trim( ).equals( "" ) ) |
75 | { | |
76 | 1 | throw new FactoryException( "no class name specified" ); |
77 | } | |
78 | ||
79 | 161 | Class clazz = null; |
80 | 161 | try |
81 | { | |
82 | 161 | ClassLoader cl = (ClassLoader) context.get( "smf-classLoader" ); |
83 | 161 | if ( cl == null ) |
84 | { | |
85 | 9 | cl = Thread.currentThread( ).getContextClassLoader( ); |
86 | 9 | context.put( "smf-classLoader", |
87 | cl ); | |
88 | } | |
89 | ||
90 | 161 | if ( cl == null ) |
91 | { | |
92 | 0 | cl = getClass( ).getClassLoader( ); |
93 | 0 | context.put( "smf-classLoader", |
94 | cl ); | |
95 | } | |
96 | ||
97 | 161 | Importer importer = rule.getImporter( ); |
98 | 161 | clazz = importer.importClass( cl, |
99 | className ); | |
100 | } | |
101 | catch ( ClassNotFoundException e ) | |
102 | { | |
103 | 0 | throw new FactoryException( e.getMessage( ) ); |
104 | } | |
105 | catch ( Error e ) | |
106 | { | |
107 | 0 | throw new FactoryException( e.getMessage( ) ); |
108 | } | |
109 | ||
110 | 161 | return new ClassObjectType( clazz ); |
111 | } | |
112 | /* | |
113 | * private Class importClass(ClassLoader cl, String importText, String | |
114 | * className) { String qualifiedClass = null; Class clazz = null; | |
115 | * | |
116 | * String convertedImportText; if ( importText.startsWith( "from " ) ) { | |
117 | * convertedImportText = converPythonImport( importText ); } else { | |
118 | * convertedImportText = importText; } | |
119 | * // not python if ( convertedImportText.endsWith( "*" ) ) { | |
120 | * qualifiedClass = convertedImportText.substring( 0, | |
121 | * convertedImportText.indexOf( '*' ) ) + className; } else if ( | |
122 | * convertedImportText.endsWith( "." + className ) ) { qualifiedClass = | |
123 | * convertedImportText; } else if ( convertedImportText.equals( className ) ) { | |
124 | * qualifiedClass = convertedImportText; } | |
125 | * | |
126 | * | |
127 | * if ( qualifiedClass != null ) { try { clazz = cl.loadClass( | |
128 | * qualifiedClass ); } catch ( ClassNotFoundException e ) { clazz = null; } } | |
129 | * return clazz; } | |
130 | * | |
131 | * private String converPythonImport(String packageText) { String fromString = | |
132 | * "from "; String importString = "import "; int fromIndex = | |
133 | * packageText.indexOf( fromString ); int importIndex = packageText.indexOf( | |
134 | * importString ); return packageText.substring( fromIndex + | |
135 | * fromString.length( ), importIndex ).trim( ) + "." + | |
136 | * packageText.substring( importIndex + importString.length( ) ).trim( ); } | |
137 | */ | |
138 | } |
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