Java Properties Get getInt(Properties props, String name, int defaultValue)

Description

get Int

License

Apache License

Declaration

public static int getInt(Properties props, String name, int defaultValue) 

Method Source Code

//package com.java2s;
/**//  w  ww.j ava  2 s  .  c o m
 * 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.
 */

import java.util.*;

public class Main {
    public static int getInt(Properties props, String name) {
        if (props.containsKey(name)) {
            return getInt(props, name, -1);
        }
        throw new IllegalArgumentException("Missing required property '" + name + "'");
    }

    public static int getInt(Properties props, String name, int defaultValue) {
        return getIntInRange(props, name, defaultValue, Integer.MIN_VALUE, Integer.MAX_VALUE);
    }

    public static int getIntInRange(Properties props, String name, int defaultValue, int min, int max) {
        int v = defaultValue;
        if (props.containsKey(name)) {
            v = Integer.valueOf(props.getProperty(name).trim());
        }
        if (v >= min && v <= max) {
            return v;
        }
        throw new IllegalArgumentException(name + " has value " + v + " which is not in the range");
    }

    public static int getIntInRange(Map<String, String> props, String name, int defaultValue, int min, int max) {
        int v = defaultValue;
        if (props.containsKey(name)) {
            v = Integer.valueOf(props.get(name).trim());
        }
        if (v >= min && v <= max) {
            return v;
        }
        throw new IllegalArgumentException(name + " has value " + v + " which is not in the range");
    }
}

Related

1. clearPrefixedSystemProperties(String prefix, Map targetPropertyMap)
2. copyProperties(Hashtable src, Hashtable target)
3. getBoolean(Properties props, String key)
4. getBoolean(Properties props, String name, boolean defaultValue)
5. getInt(Properties props, String name)
6. getIntersectionOfPropertyValues(Properties propertyFileOne, Properties propertyFileTwo)
7. getIntInRange(Properties props, String name, int defaultValue, int min, int max)
8. getIntProperty(Properties props, String keyword, int defaultValue)
9. getIsB37PropertyValue(final Properties dataSourceProperties)