Java tutorial
/************************************************************************* * Copyright 2009-2012 Eucalyptus Systems, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/. * * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need * additional information or have any questions. * * This file may incorporate work covered under the following copyright * and permission notice: * * Software License Agreement (BSD License) * * Copyright (c) 2008, Regents of the University of California * All rights reserved. * * Redistribution and use of this software in source and binary forms, * with or without modification, are permitted provided that the * following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE * THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL, * COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE, * AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING * IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, * SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, * WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION, * REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO * IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT * NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS. ************************************************************************/ package com.eucalyptus.reporting.units; import com.eucalyptus.configurable.ConfigurableClass; import com.eucalyptus.configurable.ConfigurableField; import com.google.common.base.CaseFormat; @ConfigurableClass(root = "reporting", description = "Parameters controlling reporting units") public class Units { @ConfigurableField(initial = "DAYS", description = "Default time unit") public static String DEFAULT_TIME_UNIT = "DAYS"; @ConfigurableField(initial = "GB", description = "Default size unit") public static String DEFAULT_SIZE_UNIT = "GB"; @ConfigurableField(initial = "DAYS", description = "Default size-time time unit (GB-days, etc)") public static String DEFAULT_SIZE_TIME_TIME_UNIT = "DAYS"; @ConfigurableField(initial = "GB", description = "Default size-time size unit (GB-days, etc)") public static String DEFAULT_SIZE_TIME_SIZE_UNIT = "GB"; public static Units getDefaultDisplayUnits() { return new Units(TimeUnit.fromString(DEFAULT_TIME_UNIT, TimeUnit.DAYS), SizeUnit.fromString(DEFAULT_SIZE_UNIT, SizeUnit.GB), TimeUnit.fromString(DEFAULT_SIZE_TIME_TIME_UNIT, TimeUnit.DAYS), SizeUnit.fromString(DEFAULT_SIZE_TIME_SIZE_UNIT, SizeUnit.GB)); } private final TimeUnit timeUnit; private final SizeUnit sizeUnit; private final TimeUnit sizeTimeTimeUnit; private final SizeUnit sizeTimeSizeUnit; /** * Default no-arg ctor is required for euca to set dynamic properties * above. Please don't use this; it may go away. */ public Units() { this(getDefaultDisplayUnits()); } public Units(final Units units) { this(units.getTimeUnit(), units.getSizeUnit(), units.getSizeTimeTimeUnit(), units.getSizeTimeSizeUnit()); } public Units(final TimeUnit timeUnit, final SizeUnit sizeUnit, final TimeUnit sizeTimeTimeUnit, final SizeUnit sizeTimeSizeUnit) { this.timeUnit = timeUnit; this.sizeUnit = sizeUnit; this.sizeTimeTimeUnit = sizeTimeTimeUnit; this.sizeTimeSizeUnit = sizeTimeSizeUnit; } public TimeUnit getTimeUnit() { return timeUnit; } public SizeUnit getSizeUnit() { return sizeUnit; } public TimeUnit getSizeTimeTimeUnit() { return sizeTimeTimeUnit; } public SizeUnit getSizeTimeSizeUnit() { return sizeTimeSizeUnit; } public String toString() { return String.format("[timeUnit:%s,sizeUnit:%s,sizeTimeTimeUnit:%s," + "sizeTimeSizeUnit:%s]", timeUnit, sizeUnit, sizeTimeTimeUnit, sizeTimeSizeUnit); } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((sizeTimeSizeUnit == null) ? 0 : sizeTimeSizeUnit.hashCode()); result = prime * result + ((sizeTimeTimeUnit == null) ? 0 : sizeTimeTimeUnit.hashCode()); result = prime * result + ((sizeUnit == null) ? 0 : sizeUnit.hashCode()); result = prime * result + ((timeUnit == null) ? 0 : timeUnit.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; Units other = (Units) obj; if (sizeTimeSizeUnit != other.sizeTimeSizeUnit) return false; if (sizeTimeTimeUnit != other.sizeTimeTimeUnit) return false; if (sizeUnit != other.sizeUnit) return false; if (timeUnit != other.timeUnit) return false; return true; } public String labelForSizeTime() { return getSizeTimeSizeUnit() + "-" + capitalize(getSizeTimeTimeUnit()); } public String labelForSize() { return getSizeUnit().toString(); } public String labelForTime() { return capitalize(getTimeUnit()); } private String capitalize(final Object item) { return CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, item.toString()); } }