1 package org.apache.onami.converters.system;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.nio.charset.Charset;
23
24 import org.apache.onami.converters.core.AbstractConverter;
25 import org.kohsuke.MetaInfServices;
26
27 import com.google.inject.Module;
28 import com.google.inject.TypeLiteral;
29
30 /**
31 * Converter implementation for {@code java.nio.charset.Charset}.
32 */
33 @MetaInfServices( Module.class )
34 public final class CharsetConverter
35 extends AbstractConverter<Charset>
36 {
37
38 /**
39 * {@inheritDoc}
40 */
41 public Object convert( String value, TypeLiteral<?> toType )
42 {
43 if ( value.length() == 0 )
44 {
45 throw new IllegalArgumentException( "Impossible to convert an empty value to a Charset" );
46 }
47 return Charset.forName( value );
48 }
49
50 }