001/*-------------------------------------------------------------------------+
002|                                                                          |
003| Copyright 2005-2011 The ConQAT Project                                   |
004|                                                                          |
005| Licensed under the Apache License, Version 2.0 (the "License");          |
006| you may not use this file except in compliance with the License.         |
007| You may obtain a copy of the License at                                  |
008|                                                                          |
009|    http://www.apache.org/licenses/LICENSE-2.0                            |
010|                                                                          |
011| Unless required by applicable law or agreed to in writing, software      |
012| distributed under the License is distributed on an "AS IS" BASIS,        |
013| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
014| See the License for the specific language governing permissions and      |
015| limitations under the License.                                           |
016+-------------------------------------------------------------------------*/
017package org.conqat.lib.commons.system;
018
019import org.conqat.lib.commons.string.StringUtils;
020
021/**
022 * A utility class for system diagnostics.
023 * 
024 * @author Florian Deissenboeck
025 */
026public class DiagnosticUtils {
027        /**
028         * Returns a string describing the current memory status (max, free and used
029         * memory).
030         */
031        public static String getMemoryStatusDescription() {
032                StringBuilder status = new StringBuilder();
033                Runtime runtime = Runtime.getRuntime();
034                status.append("Memory status [kB]: ");
035                status.append("  Max: " + StringUtils.format(runtime.maxMemory() / 1024));
036                status.append("  Used: " + StringUtils.format(runtime.totalMemory() / 1024));
037                status.append("  Free: " + StringUtils.format((runtime.maxMemory() - runtime.totalMemory()) / 1024));
038                return status.toString();
039        }
040}