1 /* Copyright 2004 Brian McCallister
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 package org.skife.lucene.graph;
16
17 /***
18 * Filter which excludes classes in the java standard library, such as
19 * <code>java.lang.String</code> or <code>java.lang.Class</code>. Almost
20 * always a good idea.
21 */
22 public class StandardLibraryFilter implements ObjectIndexFilter
23 {
24 /***
25 * Returns false if entity is an instanceof a <code>java*</code>
26 */
27 public boolean include(Object entity)
28 {
29 if (entity.getClass().getPackage().getName().startsWith("java")) return false;
30 return true;
31 }
32 }