01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41:
42: package org.netbeans.modules.mobility.project.queries;
43:
44: import java.nio.charset.Charset;
45: import java.nio.charset.IllegalCharsetNameException;
46: import org.netbeans.api.queries.FileEncodingQuery;
47: import org.netbeans.modules.mobility.project.DefaultPropertiesDescriptor;
48: import org.netbeans.modules.mobility.project.J2MEProjectUtils;
49: import org.netbeans.spi.project.support.ant.AntProjectEvent;
50: import org.netbeans.spi.project.support.ant.AntProjectHelper;
51: import org.netbeans.spi.project.support.ant.AntProjectListener;
52: import org.netbeans.spi.queries.FileEncodingQueryImplementation;
53: import org.openide.filesystems.FileObject;
54:
55: /**
56: *
57: * @author Adam Sotona
58: */
59: public class FileEncodingQueryImpl extends
60: FileEncodingQueryImplementation implements AntProjectListener {
61:
62: private final AntProjectHelper hlp;
63: private Charset ch;
64:
65: public FileEncodingQueryImpl(final AntProjectHelper hlp) {
66: this .hlp = hlp;
67: hlp.addAntProjectListener(this );
68: }
69:
70: public Charset getEncoding(FileObject file) {
71: Charset c = ch;
72: if (c == null)
73: try {
74: String enc = J2MEProjectUtils.evaluateProperty(hlp,
75: DefaultPropertiesDescriptor.JAVAC_ENCODING);
76: ch = c = enc == null ? Charset.defaultCharset()
77: : Charset.forName(enc);
78: } catch (IllegalCharsetNameException exception) {
79: return null;
80: }
81: return c;
82: }
83:
84: public void configurationXmlChanged(AntProjectEvent ev) {
85: }
86:
87: public void propertiesChanged(AntProjectEvent ev) {
88: ch = null;
89: }
90:
91: }
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