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1
20
21 package org.apache.directory.ldapstudio.browser.core.model.filter;
22
23
24 import java.util.ArrayList  ;
25 import java.util.Arrays ;
26 import java.util.List ;
27
28 import org.apache.directory.ldapstudio.browser.core.BrowserCoreMessages;
29 import org.apache.directory.ldapstudio.browser.core.model.filter.parser.LdapFilterToken;
30
31
32 public class LdapFilter
33 {
34
35 private LdapFilterToken startToken;
36
37 private LdapFilterComponent filterComponent;
38
39 private LdapFilterToken stopToken;
40
41 private List otherTokens;
42
43
44 public LdapFilter()
45 {
46 this.startToken = null;
47 this.filterComponent = null;
48 this.stopToken = null;
49 this.otherTokens = new ArrayList ( 2 );
50 }
51
52
53 public boolean setStartToken( LdapFilterToken startToken )
54 {
55 if ( this.startToken == null && startToken != null && startToken.getType() == LdapFilterToken.LPAR )
56 {
57 this.startToken = startToken;
58 return true;
59 }
60 else
61 {
62 return false;
63 }
64 }
65
66
67 public boolean setFilterComponent( LdapFilterComponent filterComponent )
68 {
69 if ( this.startToken != null && this.filterComponent == null && filterComponent != null )
70 {
71 this.filterComponent = filterComponent;
72 return true;
73 }
74 else
75 {
76 return false;
77 }
78 }
79
80
81 public boolean setStopToken( LdapFilterToken stopToken )
82 {
83 if ( this.startToken != null && this.stopToken == null && stopToken != null
84 && stopToken.getType() == LdapFilterToken.RPAR )
85 {
86 this.stopToken = stopToken;
87 return true;
88 }
89 else
90 {
91 return false;
92 }
93 }
94
95
96 public void addOtherToken( LdapFilterToken otherToken )
97 {
98 this.otherTokens.add( otherToken );
99 }
100
101
102 public LdapFilterToken getStartToken()
103 {
104 return this.startToken;
105 }
106
107
108 public LdapFilterComponent getFilterComponent()
109 {
110 return this.filterComponent;
111 }
112
113
114 public LdapFilterToken getStopToken()
115 {
116 return this.stopToken;
117 }
118
119
120 public LdapFilterToken[] getTokens()
121 {
122
123 List tokenList = new ArrayList ();
125 if ( this.startToken != null )
126 {
127 tokenList.add( this.startToken );
128 }
129 if ( this.stopToken != null )
130 {
131 tokenList.add( this.stopToken );
132 }
133 if ( this.filterComponent != null )
134 {
135 tokenList.addAll( Arrays.asList( this.filterComponent.getTokens() ) );
136 }
137 tokenList.addAll( this.otherTokens );
138
139 LdapFilterToken[] tokens = ( LdapFilterToken[] ) tokenList.toArray( new LdapFilterToken[tokenList.size()] );
141 Arrays.sort( tokens );
142
143 return tokens;
145 }
146
147
148 public boolean isValid()
149 {
150 return this.startToken != null && this.filterComponent != null && this.filterComponent.isValid()
151 && this.stopToken != null;
152 }
153
154
155 public LdapFilter[] getInvalidFilters()
156 {
157 if ( this.startToken == null || this.filterComponent == null || this.stopToken == null )
158 {
159 return new LdapFilter[]
160 { this };
161 }
162 else
163 {
164 return this.filterComponent.getInvalidFilters();
165 }
166 }
167
168
169 public LdapFilter getFilter( int offset )
170 {
171 if ( this.startToken != null && this.startToken.getOffset() == offset )
172 {
173 return this;
174 }
175 else if ( this.stopToken != null && this.stopToken.getOffset() == offset )
176 {
177 return this;
178 }
179
180 if ( this.otherTokens != null && this.otherTokens.size() > 0 )
181 {
182 for ( int i = 0; i < this.otherTokens.size(); i++ )
183 {
184 LdapFilterToken otherToken = ( LdapFilterToken ) this.otherTokens.get( i );
185 if ( otherToken != null && otherToken.getOffset() <= offset
186 && offset < otherToken.getOffset() + otherToken.getLength() )
187 {
188 return this;
189 }
190 }
191 }
192
193 if ( this.filterComponent != null )
194 {
195 return this.filterComponent.getFilter( offset );
196 }
197
198 return this;
199 }
200
201
202 public String getInvalidCause()
203 {
204 if ( this.stopToken == null )
205 {
206 return BrowserCoreMessages.model_filter_missing_closing_parenthesis;
207 }
208 else if ( this.filterComponent == null )
209 {
210 return BrowserCoreMessages.model_filter_missing_filter_expression;
211 }
212 else
213 {
214 return this.filterComponent.getInvalidCause();
215 }
216 }
217
218
219 public String toString()
220 {
221 return ( this.startToken != null ? "(" : "" ) + ( filterComponent != null ? filterComponent.toString() : "" ) + ( this.stopToken != null ? ")" : "" ); }
223
224 }
225 |
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