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Java > Open Source Codes > org > apache > directory > ldapstudio > browser > core > model > filter > LdapOrFilterComponent


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements. See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership. The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License. You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied. See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  *
19  */
20
21 package org.apache.directory.ldapstudio.browser.core.model.filter;
22
23
24 import java.util.Iterator JavaDoc;
25
26 import org.apache.directory.ldapstudio.browser.core.model.filter.parser.LdapFilterToken;
27
28
29 public class LdapOrFilterComponent extends LdapFilterComponent
30 {
31
32     public LdapOrFilterComponent( LdapFilter parent )
33     {
34         super( parent );
35     }
36
37
38     public boolean setStartToken( LdapFilterToken orToken )
39     {
40         if ( orToken != null && orToken.getType() == LdapFilterToken.OR )
41         {
42             return super.setStartToken( orToken );
43         }
44         else
45         {
46             return false;
47         }
48     }
49
50
51     public String JavaDoc getInvalidCause()
52     {
53         if ( this.startToken == null )
54         {
55             return "Missing OR character '|'";
56         }
57         else if ( this.filterList == null || this.filterList.isEmpty() )
58         {
59             return "Missing filters";
60         }
61         else
62         {
63             return "Invalid OR filter";
64         }
65     }
66
67
68     public String JavaDoc toString()
69     {
70         String JavaDoc s = this.startToken != null ? "|" : "";
71         for ( Iterator JavaDoc it = filterList.iterator(); it.hasNext(); )
72         {
73             LdapFilter filter = ( LdapFilter ) it.next();
74             if ( filter != null )
75             {
76                 s += filter.toString();
77             }
78         }
79         return s;
80     }
81
82 }
83
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