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Java > Open Source Codes > org > archive > crawler > settings > ModuleAttributeInfo


1 /* Copyright (C) 2003 Internet Archive.
2  *
3  * This file is part of the Heritrix web crawler (crawler.archive.org).
4  *
5  * Heritrix is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU Lesser Public License as published by
7  * the Free Software Foundation; either version 2.1 of the License, or
8  * any later version.
9  *
10  * Heritrix 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
13  * GNU Lesser Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser Public License
16  * along with Heritrix; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  *
19  * ModuleAttributeInfo.java
20  * Created on Dec 18, 2003
21  *
22  * $Header: /cvsroot/archive-crawler/ArchiveOpenCrawler/src/java/org/archive/crawler/settings/ModuleAttributeInfo.java,v 1.2.28.1 2007/01/13 01:31:27 stack-sf Exp $
23  */
24 package org.archive.crawler.settings;
25
26 import javax.management.InvalidAttributeValueException JavaDoc;
27 import javax.management.MBeanAttributeInfo JavaDoc;
28
29 /**
30  *
31  * @author John Erik Halse
32  */
33 public class ModuleAttributeInfo extends MBeanAttributeInfo JavaDoc {
34
35     private static final long serialVersionUID = -4447321338690051514L;
36
37     private String JavaDoc type;
38     private boolean isOverrideable;
39     private boolean isTransient;
40     private final Object JavaDoc defaultValue;
41     private final Object JavaDoc legalValueLists[];
42     private boolean complexType = false;
43     private boolean isExpertSetting;
44
45     /** Construct a new instance of ModuleAttributeInfo.
46      *
47      * @param type the element to create info for.
48      *
49      * @throws InvalidAttributeValueException
50      * @throws java.lang.IllegalArgumentException
51      */
52     public ModuleAttributeInfo(Type type)
53             throws InvalidAttributeValueException JavaDoc {
54
55         super(type.getName(), type.getClass().getName(), type.getDescription(),
56                 true, true, false);
57         setType(type.getDefaultValue());
58         this.isOverrideable = type.isOverrideable();
59         this.isTransient = type.isTransient();
60         this.legalValueLists = type.getLegalValues();
61         this.isExpertSetting = type.isExpertSetting();
62         //this.defaultValue = checkValue(type.getValue());
63 this.defaultValue = type.getValue();
64         if (type.getDefaultValue() instanceof ComplexType) {
65             complexType = true;
66         }
67     }
68
69     public ModuleAttributeInfo(ModuleAttributeInfo attr) {
70         super(attr.getName(), attr.getType(), attr.getDescription(),
71                 true, true, false);
72         setType(attr.getDefaultValue());
73         this.isOverrideable = attr.isOverrideable();
74         this.isTransient = attr.isTransient();
75         this.legalValueLists = attr.getLegalValues();
76         this.isExpertSetting = attr.isExpertSetting();
77         this.defaultValue = attr.getDefaultValue();
78         this.complexType = attr.complexType;
79     }
80
81     public Object JavaDoc[] getLegalValues() {
82         return legalValueLists;
83     }
84
85     /** Returns true if this attribute refers to a ComplexType.
86      *
87      * @return true if this attribute refers to a ComplexType.
88      */
89     public boolean isComplexType() {
90         return complexType;
91     }
92
93     /** Returns true if this attribute could be overridden in per settings.
94      *
95      * @return True if overrideable.
96      */
97     public boolean isOverrideable() {
98         return isOverrideable;
99     }
100
101     /** Returns true if this attribute should be hidden from UI and not be
102      * serialized to persistent storage.
103      *
104      * @return True if transient.
105      */
106     public boolean isTransient() {
107         return isTransient;
108     }
109
110     /** Returns true if this Type should only show up in expert mode in UI.
111      *
112      * @return true if this Type should only show up in expert mode in UI.
113      */
114     public boolean isExpertSetting() {
115         return isExpertSetting;
116     }
117
118     /**
119      * @return Default value.
120      */
121     public Object JavaDoc getDefaultValue() {
122         return defaultValue;
123     }
124
125     /* (non-Javadoc)
126      * @see javax.management.MBeanAttributeInfo#getType()
127      */
128     public String JavaDoc getType() {
129         return type;
130     }
131
132     protected void setType(Object JavaDoc type) {
133         this.type = type.getClass().getName();
134     }
135 }
136
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