Java Properties Get getString(Properties props, String name)

Description

get String

License

Apache License

Declaration

public static String getString(Properties props, String name) 

Method Source Code

//package com.java2s;
/**/*from   ww w  .  j ava2s .com*/
 * 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 {
    /**
     * Get a string property, or, if no such property is defined, return
     * the given default value
     *
     * @param props        the properties
     * @param name         the key in the properties
     * @param defaultValue the default value if the key not exists
     * @return value in the props or defaultValue while name not exist
     */
    public static String getString(Properties props, String name, String defaultValue) {
        return props.containsKey(name) ? props.getProperty(name).trim() : defaultValue;
    }

    public static String getString(Properties props, String name) {
        if (props.containsKey(name)) {
            return props.getProperty(name).trim();
        }
        throw new IllegalArgumentException("Missing required property '" + name + "'");
    }
}

Related

1. getRefValue(Properties result, String v)
2. getSection(Properties props, String sectionName, boolean removeSectionName)
3. getSignatureContent(Properties properties)
4. getSignExclusions(Properties properties)
5. getString(Properties props, String key)
6. getString(Properties props, String name, String defaultValue)
7. getStringConfigValue( final String configKey, final Properties config)
8. getStringConfigVaule(Properties properties, String key, String defaultValue)
9. getSubProperties(Properties src, String prefix)