001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright © 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050: package com.projity.util;
051:
052: import java.util.Date;
053: import java.util.GregorianCalendar;
054:
055: import org.apache.commons.pool.BasePoolableObjectFactory;
056: import org.apache.commons.pool.impl.GenericObjectPool;
057:
058: /**
059: * Static class holding common object pools.
060: * Currently I am not using the KeyedObjectPool. Using specific versions is no doubt a little faster.
061: */
062: public class Factory {
063: // for easy naming, the factory is named GregorianCalendarFactory
064: public static class GregorianCalendarPool extends
065: BasePoolableObjectFactory {
066: private static GenericObjectPool pool = new GenericObjectPool(
067: new GregorianCalendarPool());
068:
069: public Object makeObject() throws Exception {
070: return DateTime.calendarInstance();
071: }
072:
073: public static GregorianCalendar getInstance() {
074: try {
075: return (GregorianCalendar) pool.borrowObject();
076: } catch (Exception e) {
077: e.printStackTrace();
078: return null;
079: }
080: }
081:
082: public static void recycle(GregorianCalendar object) {
083: try {
084: pool.returnObject(object);
085: } catch (Exception e) {
086: e.printStackTrace();
087: }
088: }
089: }
090:
091: public static class DatePool extends BasePoolableObjectFactory {
092: private static GenericObjectPool pool = new GenericObjectPool(
093: new DatePool());
094:
095: public Object makeObject() throws Exception {
096: return new Date();
097: }
098:
099: public static Date getInstance(long millis) {
100: Date date = getInstance();
101: date.setTime(millis);
102: return date;
103: }
104:
105: public static Date getInstance() {
106: try {
107: return (Date) pool.borrowObject();
108: } catch (Exception e) {
109: e.printStackTrace();
110: return null;
111: }
112: }
113:
114: public static void recycle(Date object) {
115: try {
116: pool.returnObject(object);
117: } catch (Exception e) {
118: e.printStackTrace();
119: }
120: }
121: }
122:
123: }
|