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/*
* Copyright 2014 Avanza Bank AB
*
* Licensed 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 com.avanza.astrix.config;
interface PropertyParser {
public static PropertyParser BOOLEAN_PARSER = new BooleanParser();
public static PropertyParser STRING_PARSER = new StringParser();
public static PropertyParser LONG_PARSER = new LongParser();
public static PropertyParser INT_PARSER = new IntParser();
T parse(String value);
class BooleanParser implements PropertyParser {
@Override
public Boolean parse(String value) {
if ("false".equalsIgnoreCase(value)) {
return false;
}
if ("true".equalsIgnoreCase(value)) {
return true;
}
throw new IllegalArgumentException("Cannot parse boolean value: \"" + value + "\"");
}
};
class StringParser implements PropertyParser {
@Override
public String parse(String value) {
return value;
}
};
class LongParser implements PropertyParser {
@Override
public Long parse(String value) {
return Long.parseLong(value);
}
}
class IntParser implements PropertyParser {
@Override
public Integer parse(String value) {
return Integer.parseInt(value);
}
}
}
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