001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. 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 */
017 package org.apache.camel.util;
018
019 import org.apache.camel.converter.ObjectConverter;
020 import org.apache.commons.logging.Log;
021 import org.apache.commons.logging.LogFactory;
022
023 /**
024 * A helper class for various {@link System} related methods
025 *
026 * @version $Revision: 673954 $
027 */
028 public final class SystemHelper {
029 private static final transient Log LOG = LogFactory.getLog(SystemHelper.class);
030
031 private SystemHelper() {
032 // Helper class
033 }
034
035 /**
036 * Looks up the given system property name returning null if any exceptions occur
037 */
038 public static String getSystemProperty(String name) {
039 try {
040 return System.getProperty(name);
041 } catch (Exception e) {
042 LOG.debug("Caught exception looking for system property: " + name + " exception: " + e, e);
043 return null;
044 }
045 }
046
047 /**
048 * Looks up the given system property boolean value. Returns false if the system property doesn't exist.
049 */
050 public static boolean isSystemProperty(String name) {
051 String text = getSystemProperty(name);
052 return ObjectConverter.toBool(text);
053 }
054
055 }