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 */
017package org.apache.activemq.util;
018
019import java.beans.PropertyEditorSupport;
020
021/**
022 * Used by xbean to set longs.
023 * <p/>
024 * <b>Important: </b> Do not use this for other purposes than xbean, as property editors
025 * are not thread safe, and they are slow to use.
026 * <p/>
027 * Converts string values like "20 Mb", "1024kb", and "1g" to long values in
028 * bytes.
029 */
030public class MemoryPropertyEditor extends PropertyEditorSupport {
031    public void setAsText(String text) throws IllegalArgumentException {
032        setValue(XBeanByteConverterUtil.convertToLongBytes(text));
033    }
034
035    public String getAsText() {
036        Long value = (Long)getValue();
037        return value != null ? value.toString() : "";
038    }
039
040}