Java Properties Get getPropertyValue(Properties props, String key)

Description

get Property Value

License

Apache License

Declaration

public static String getPropertyValue(Properties props, String key) 

Method Source Code

//package com.java2s;
/*/*from  w  w  w.j  av  a2  s.  c om*/
 *
 * 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 final String EMPTY_STRING = "";

    public static String getPropertyValue(Properties props, String key) {
        return getPropertyValue(props, key, EMPTY_STRING);
    }

    /**
     * Get string value from given properties.
     *
     * @param props        properties
     * @param key          key for looking up the value
     * @param defaultValue default value
     * @return property value as string
     */
    public static String getPropertyValue(Properties props, String key, String defaultValue) {
        return props == null || !props.containsKey(key) ? defaultValue : props.getProperty(key, defaultValue);
    }
}

Related

1. getProperty(String[] system_props, Properties props, String prop_name, boolean ignore_sysprops, String default_value)
2. getPropertyDouble(Properties p, String key)
3. getPropertyLong(Properties properties, String context, String key, Long def)
4. getPropertyString(Properties properties, String propertyName)
5. getPropertyText(String property, Object... replacements)
6. getPropertyValueAsInt(Properties props, String key, int defaultValue)
7. getRefValue(Properties result, String v)
8. getSection(Properties props, String sectionName, boolean removeSectionName)
9. getSignatureContent(Properties properties)