1 /**
2 * This file Copyright (c) 2012-2018 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.ui.field;
35
36 import info.magnolia.objectfactory.ComponentProvider;
37 import info.magnolia.objectfactory.MgnlInstantiationException;
38
39 import java.io.Serializable;
40
41 import javax.inject.Inject;
42
43 import org.slf4j.Logger;
44 import org.slf4j.LoggerFactory;
45
46 /**
47 * Factory for creating validator instances using an internal set of mappings connecting a {@link FieldValidatorDefinition} class with a {@link FieldValidatorFactory} class.
48 *
49 * @see FieldValidatorDefinition
50 */
51 public class FieldValidatorFactoryFactory implements Serializable {
52
53 private static final Logger log = LoggerFactory.getLogger(FieldValidatorFactoryFactory.class);
54
55 protected ComponentProvider componentProvider;
56
57 @Inject
58 public FieldValidatorFactoryFactory(ComponentProvider componentProvider) {
59 this.componentProvider = componentProvider;
60 }
61
62 public FieldValidatorFactory createFieldValidatorFactory(FieldValidatorDefinition definition, Object... args) {
63
64 Class<? extends FieldValidatorFactory> factoryClass = definition.getFactoryClass();
65 if (factoryClass == null) {
66 log.error("No factory class set for validator: " + definition.getClass().getName());
67 return null;
68 }
69
70 Object[] combinedParameters = new Object[args.length + 1];
71 combinedParameters[0] = definition;
72 System.arraycopy(args, 0, combinedParameters, 1, args.length);
73
74 try {
75 return componentProvider.newInstance(factoryClass, combinedParameters);
76 } catch (MgnlInstantiationException e) {
77 log.error("Could not instantiate validator factory class for validator: " + definition.getClass().getName(), e);
78 return null;
79 }
80 }
81 }