51 lines
1.9 KiB
Java
51 lines
1.9 KiB
Java
/*
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* Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hpcloud.mon.infrastructure.thresholding;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class PropertyFinder {
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private static final Logger LOG = LoggerFactory.getLogger(PropertyFinder.class);
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private PropertyFinder()
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{
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}
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public static int getIntProperty(final String name,
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final int defaultValue,
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final int minValue,
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final int maxValue) {
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final String valueString = System.getProperty(name);
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if ((valueString != null) && !valueString.isEmpty()) {
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try {
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final int newValue = Integer.parseInt(valueString);
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if ((newValue >= minValue) && (newValue <= maxValue)) {
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return newValue;
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}
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LOG.warn("Invalid value {} for property '{}' must be >= {} and <= {}, using default value of {}",
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valueString, name, minValue, maxValue, defaultValue);
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}
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catch (NumberFormatException nfe) {
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LOG.warn("Not an integer value '{}' for property '{}', using default value of {}", valueString,
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name, defaultValue);
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}
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}
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return defaultValue;
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}
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}
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