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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.microsphere.convert;
import static io.microsphere.util.StringUtils.length;
/**
* The class to convert {@link String} to {@link Character}
*
* @since 1.0.0
*/
public class StringToCharacterConverter implements StringConverter {
@Override
public Character convert(String source) {
int length = length(source);
if (length == 0) {
return null;
}
if (length > 1) {
throw new IllegalArgumentException("The source String is more than one character!");
}
return source.charAt(0);
}
@Override
public int getPriority() {
return NORMAL_PRIORITY + 8;
}
}