Java Comma Separated List getCommandLineOptionInt(List args, String param, int defaultValue)

Description

get Command Line Option Int

License

Apache License

Declaration

public static int getCommandLineOptionInt(List<String> args,
            String param, int defaultValue) 

Method Source Code

//package com.java2s;
/*//from   w  w  w. j  a  v a2s  . 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.List;

public class Main {
    public static int getCommandLineOptionInt(List<String> args,
            String param, int defaultValue) {
        String s = getCommandLineOption(args, param, null);
        if (s == null)
            return defaultValue;
        return Integer.parseInt(s);
    }

    public static String getCommandLineOption(List<String> args,
            String param) {
        return getCommandLineOption(args, param, null);
    }

    /** given a list of args, e.g. --name Foo --parent Bob
     * will return "Foo" as param name, and remove those entries from the args list
     */
    public static String getCommandLineOption(List<String> args,
            String param, String defaultValue) {
        int i = args.indexOf(param);
        if (i >= 0) {
            String result = args.get(i + 1);
            args.remove(i + 1);
            args.remove(i);
            return result;
        } else {
            return defaultValue;
        }
    }
}

Related

1. extractCommandsFromLine(final String line, final String delimiter, final StringBuilder bufferedCommand, final List extractedCommands)
2. formatCommand(List arguments)
3. getAsCommaDelimitedString(List coll)
4. getCommaList(List V)
5. getCommandLine(List command)
6. getCommandStr(List commandList)
7. getCommaSeparatedList(Collection stringValues)
8. getCommaSeparatedList(List list)
9. getCommaSeparatedList(List list)