Java Memory Information parseMemorySize(String arg)

Description

Parses a memory size with optional g/m/k quantifiers into its number representation.

License

Apache License

Parameter

Parameter	Description
arg	a parameter

Declaration

public static long parseMemorySize(String arg) 

Method Source Code

//package com.java2s;
/*//ww w  .  j a  v a  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.
 */

public class Main {
    /**
     * Parses a memory size with optional g/m/k quantifiers into its
     * number representation.
     * 
     * @param arg
     * @return
     */
    public static long parseMemorySize(String arg) {
        if (arg.endsWith("g") || arg.endsWith("G"))
            return Long.parseLong(arg.substring(0, arg.length() - 1)) * 1024 * 1024 * 1024;
        else if (arg.endsWith("m") || arg.endsWith("M"))
            return Long.parseLong(arg.substring(0, arg.length() - 1)) * 1024 * 1024;
        else if (arg.endsWith("k") || arg.endsWith("K"))
            return Long.parseLong(arg.substring(0, arg.length() - 1)) * 1024;
        else
            return Long.parseLong(arg.substring(0, arg.length()));
    }
}

Related

1. getRuntimeMemoryStats()
2. getRuntimeMemoryStats()
3. getSummaryMemoryReportHeader()
4. getTotalMemoryStringInMb()
5. parseMemory(String s, int def)
6. prettyPrintMemory(long size, boolean includeSpace)
7. prettyPrintMemoryPerSecond(long rate)
8. printMemory()
9. printMemory()