Java tutorial
/* * See the NOTICE file distributed with this work for additional * information regarding copyright ownership. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package com.xpn.xwiki.objects.classes; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; import java.util.Map; import org.apache.commons.lang3.StringUtils; import org.apache.ecs.xhtml.input; import org.dom4j.Element; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.xpn.xwiki.XWikiContext; import com.xpn.xwiki.objects.BaseCollection; import com.xpn.xwiki.objects.BaseProperty; import com.xpn.xwiki.objects.DateProperty; import com.xpn.xwiki.objects.meta.PropertyMetaClass; import com.xpn.xwiki.plugin.query.XWikiCriteria; import com.xpn.xwiki.plugin.query.XWikiQuery; import com.xpn.xwiki.web.XWikiMessageTool; public class DateClass extends PropertyClass { /** Logging helper object. */ private static final Logger LOG = LoggerFactory.getLogger(DateClass.class); public DateClass(PropertyMetaClass wclass) { super("date", "Date", wclass); setSize(20); setDateFormat("dd/MM/yyyy HH:mm:ss"); setEmptyIsToday(1); setPicker(1); } public DateClass() { this(null); } public int getPicker() { return getIntValue("picker"); } public void setPicker(int picker) { setIntValue("picker", picker); } public int getSize() { return getIntValue("size"); } public void setSize(int size) { setIntValue("size", size); } public int getEmptyIsToday() { return getIntValue("emptyIsToday"); } public void setEmptyIsToday(int emptyIsToday) { setIntValue("emptyIsToday", emptyIsToday); } public String getDateFormat() { return getStringValue("dateFormat"); } public void setDateFormat(String dformat) { setStringValue("dateFormat", dformat); } @Override public BaseProperty fromString(String value) { BaseProperty property = newProperty(); if ((value == null) || (value.equals(""))) { if (getEmptyIsToday() == 1) { property.setValue(new Date()); } return property; } try { SimpleDateFormat sdf = new SimpleDateFormat(getDateFormat()); property.setValue(sdf.parse(value)); } catch (ParseException e) { return null; } return property; } @Override public BaseProperty newProperty() { BaseProperty property = new DateProperty(); property.setName(getName()); return property; } public String toFormString(BaseProperty property) { if (property.getValue() == null) { return ""; } SimpleDateFormat sdf = new SimpleDateFormat(getDateFormat()); return sdf.format(property.getValue()); } @Override public BaseProperty newPropertyfromXML(Element ppcel) { String value = ppcel.getText(); BaseProperty property = newProperty(); if (StringUtils.isEmpty(value)) { return property; } SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S"); try { property.setValue(sdf.parse(value)); } catch (ParseException e) { SimpleDateFormat sdf2 = new SimpleDateFormat("EEE MMM d HH:mm:ss z yyyy", Locale.US); try { if (LOG.isWarnEnabled()) { LOG.warn("Failed to parse date [" + value + "] using format [" + sdf.toString() + "]. Trying again with format [" + sdf2.toString() + "]"); } property.setValue(sdf2.parse(value)); } catch (ParseException e2) { if (LOG.isWarnEnabled()) { LOG.warn("Failed to parse date [" + value + "] using format [" + sdf2.toString() + "]. Defaulting to the current date."); } property.setValue(new Date()); } } return property; } @Override public void displayView(StringBuffer buffer, String name, String prefix, BaseCollection object, XWikiContext context) { BaseProperty prop = (BaseProperty) object.safeget(name); buffer.append(toFormString(prop)); } @Override public void displayEdit(StringBuffer buffer, String name, String prefix, BaseCollection object, XWikiContext context) { input input = new input(); BaseProperty prop = (BaseProperty) object.safeget(name); if (prop != null) { input.setValue(toFormString(prop)); } input.setType("text"); input.setName(prefix + name); input.setID(prefix + name); input.setSize(getSize()); input.setDisabled(isDisabled()); buffer.append(input.toString()); } @Override public void displaySearch(StringBuffer buffer, String name, String prefix, XWikiCriteria criteria, XWikiContext context) { input input1 = new input(); input1.setType("text"); input1.setName(prefix + name + "_morethan"); input1.setID(prefix + name); input1.setSize(getSize()); String fieldFullName = getFieldFullName(); Date value = (Date) criteria.getParameter(fieldFullName + "_morethan"); if (value != null) { DateProperty dprop = new DateProperty(); dprop.setValue(value); input1.setValue(toFormString(dprop)); } input input2 = new input(); input2.setType("text"); input2.setName(prefix + name + "_lessthan"); input2.setID(prefix + name); input2.setSize(getSize()); value = (Date) criteria.getParameter(fieldFullName + "_lessthan"); if (value != null) { DateProperty dprop = new DateProperty(); dprop.setValue(value); input2.setValue(toFormString(dprop)); } XWikiMessageTool msg = context.getMessageTool(); buffer.append((msg == null) ? "from" : msg.get("from")); buffer.append(input1.toString()); buffer.append((msg == null) ? "from" : msg.get("to")); buffer.append(input2.toString()); } @Override public void fromSearchMap(XWikiQuery query, Map<String, String[]> map) { String[] data = map.get(""); if ((data != null) && (data.length == 1)) { query.setParam(getObject().getName() + "_" + getName(), fromString(data[0]).getValue()); } else { data = map.get("lessthan"); if ((data != null) && (data.length == 1)) { query.setParam(getObject().getName() + "_" + getName() + "_lessthan", fromString(data[0]).getValue()); } data = map.get("morethan"); if ((data != null) && (data.length == 1)) { query.setParam(getObject().getName() + "_" + getName() + "_morethan", fromString(data[0]).getValue()); } } } }