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Java > Open Source Codes > org > netbeans > modules > java > project > JavadocForBinaryQueryImpl


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.java.project;
21
22 import java.net.URI JavaDoc;
23 import java.net.URL JavaDoc;
24 import java.util.Arrays JavaDoc;
25 import org.netbeans.api.java.queries.JavadocForBinaryQuery;
26 import org.netbeans.api.project.FileOwnerQuery;
27 import org.netbeans.api.project.Project;
28 import org.netbeans.spi.java.queries.JavadocForBinaryQueryImplementation;
29 import org.openide.ErrorManager;
30
31 /**
32  * Delegates {@link JavadocForBinaryQueryImplementation} to the project which
33  * owns the binary file.
34  */
35 public class JavadocForBinaryQueryImpl implements JavadocForBinaryQueryImplementation {
36     
37     private static final ErrorManager ERR = ErrorManager.getDefault().getInstance(JavadocForBinaryQueryImpl.class.getName());
38     
39     /** Default constructor for lookup. */
40     public JavadocForBinaryQueryImpl() {
41     }
42     
43     public JavadocForBinaryQuery.Result findJavadoc(URL JavaDoc binary) {
44         boolean log = ERR.isLoggable(ErrorManager.INFORMATIONAL);
45         Project project = FileOwnerQuery.getOwner(URI.create(binary.toString()));
46         if (project != null) {
47             JavadocForBinaryQueryImplementation jfbqi = project.getLookup().lookup(JavadocForBinaryQueryImplementation.class);
48             if (jfbqi != null) {
49                 JavadocForBinaryQuery.Result result = jfbqi.findJavadoc(binary);
50                 if (log) ERR.log("Project " + project + " reported for " + binary + ": " + (result != null ? Arrays.asList(result.getRoots()) : null));
51                 return result;
52             } else {
53                 if (log) ERR.log("Project " + project + " did not have any JavadocForBinaryQueryImplementation");
54             }
55         } else {
56             if (log) ERR.log("No project found for " + binary + "; cannot find Javadoc");
57         }
58         return null;
59     }
60     
61 }
62
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