/**
* 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 org.apache.activemq.util;
import java.util.Map;
/**
* A bunch of utility methods for working with maps
*
*
*/
public final class MapHelper {
private MapHelper() {
}
/**
* Extracts the value from the map and coerces to a String
*/
public static String getString(Map map, String key) {
Object answer = map.get(key);
return (answer != null) ? answer.toString() : null;
}
/**
* Extracts the value from the map and coerces to an int value or returns a
* default value if one could not be found or coerced
*/
public static int getInt(Map map, String key, int defaultValue) {
Object value = map.get(key);
if (value instanceof Number) {
return ((Number)value).intValue();
} else if (value instanceof String) {
return Integer.parseInt((String)value);
}
return defaultValue;
}
}