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Java > Open Source Codes > org > jboss > metadata > spi > scope > Scope


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2006, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.metadata.spi.scope;
23
24 import java.io.Serializable JavaDoc;
25
26 /**
27  * Scope.
28  *
29  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
30  * @version $Revision: 46146 $
31  */
32 public class Scope implements Serializable JavaDoc
33 {
34    /** The serialVersionUID */
35    private static final long serialVersionUID = 5255750644324593361L;
36
37    /** The scope level */
38    private final ScopeLevel level;
39    
40    /** The scope qualifier */
41    private final String JavaDoc qualifier;
42    
43    public Scope(ScopeLevel level, String JavaDoc qualifier)
44    {
45       if (level == null)
46          throw new IllegalArgumentException JavaDoc("Null level");
47       if (qualifier == null)
48          throw new IllegalArgumentException JavaDoc("Null qualifier");
49       
50       this.level = level;
51       this.qualifier = qualifier;
52    }
53
54    public ScopeLevel getScopeLevel()
55    {
56       return level;
57    }
58
59    public String JavaDoc getQualifier()
60    {
61       return qualifier;
62    }
63
64    public String JavaDoc toString()
65    {
66       return level.getName() + "=" + qualifier;
67    }
68    
69    public boolean equals(Object JavaDoc object)
70    {
71       if (object == this)
72          return true;
73       if (object == null || object instanceof Scope == false)
74          return false;
75       
76       Scope other = (Scope) object;
77       if (level.compareTo(other.getScopeLevel()) != 0)
78          return false;
79       
80       return qualifier.equals(other.qualifier);
81    }
82    
83    public int hashCode()
84    {
85       return level.hashCode();
86    }
87 }
88
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