/**
* Copyright (C) 2010-2014 Morgner UG (haftungsbeschränkt)
*
* This file is part of Structr <http://structr.org>.
*
* Structr 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, either version 3 of the
* License, or (at your option) any later version.
*
* Structr 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 Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.core.property;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.lang3.StringUtils;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.SortField;
import org.apache.lucene.util.NumericUtils;
import org.neo4j.index.lucene.ValueContext;
import org.structr.common.SecurityContext;
import org.structr.common.error.DateFormatToken;
import org.structr.common.error.FrameworkException;
import org.structr.core.GraphObject;
import org.structr.core.app.Query;
import org.structr.core.converter.PropertyConverter;
import org.structr.core.graph.search.DateSearchAttribute;
import org.structr.core.graph.search.SearchAttribute;
/**
* A property that stores and retrieves a simple string-based Date with
* the given date format pattern. This property uses a long value internally
* to provide millisecond precision.
*
* @author Christian Morgner
*/
public class DateProperty extends AbstractPrimitiveProperty<Date> {
public static final String DATE_EMPTY_FIELD_VALUE = NumericUtils.longToPrefixCoded(Long.MIN_VALUE);
public DateProperty(String name, String pattern) {
super(name);
this.format = pattern;
}
public DateProperty(String name, String dbName, String pattern) {
super(name, dbName);
this.format = pattern;
}
public DateProperty(String name, String dbName, Date defaultValue, String pattern) {
super(name, dbName, defaultValue);
this.format = pattern;
}
@Override
public String typeName() {
return "Date";
}
@Override
public Integer getSortType() {
return SortField.LONG;
}
@Override
public PropertyConverter<Date, Long> databaseConverter(SecurityContext securityContext) {
return databaseConverter(securityContext, null);
}
@Override
public PropertyConverter<Date, Long> databaseConverter(SecurityContext securityContext, GraphObject entity) {
return new DatabaseConverter(securityContext, entity);
}
@Override
public PropertyConverter<String, Date> inputConverter(SecurityContext securityContext) {
return new InputConverter(securityContext);
}
@Override
public Object fixDatabaseProperty(Object value) {
if (value != null) {
if (value instanceof Long) {
return value;
}
if (value instanceof Number) {
return ((Number)value).longValue();
}
try {
return Long.parseLong(value.toString());
} catch (Throwable t) {
}
try {
return new SimpleDateFormat(format).parse(value.toString()).getTime();
} catch (Throwable t) {
}
}
return null;
}
private class DatabaseConverter extends PropertyConverter<Date, Long> {
public DatabaseConverter(SecurityContext securityContext, GraphObject entity) {
super(securityContext, entity);
}
@Override
public Long convert(Date source) throws FrameworkException {
if (source != null) {
return source.getTime();
}
return null;
}
@Override
public Date revert(Long source) throws FrameworkException {
if (source != null) {
return new Date(source);
}
return null;
}
}
private class InputConverter extends PropertyConverter<String, Date> {
public InputConverter(SecurityContext securityContext) {
super(securityContext, null);
}
@Override
public Date convert(String source) throws FrameworkException {
if (StringUtils.isNotBlank(source)) {
try {
// SimpleDateFormat is not fully ISO8601 compatible, so we replace 'Z' by +0000
if (StringUtils.contains(source, "Z")) {
source = StringUtils.replace(source, "Z", "+0000");
}
return new SimpleDateFormat(format).parse(source);
} catch (Throwable t) {
throw new FrameworkException(declaringClass.getSimpleName(), new DateFormatToken(DateProperty.this));
}
}
return null;
}
@Override
public String revert(Date source) throws FrameworkException {
if (source != null) {
return new SimpleDateFormat(format).format(source);
}
return null;
}
}
@Override
public SearchAttribute getSearchAttribute(SecurityContext securityContext, BooleanClause.Occur occur, Date searchValue, boolean exactMatch, Query query) {
return new DateSearchAttribute(this, searchValue, occur, exactMatch);
}
@Override
public void index(GraphObject entity, Object value) {
super.index(entity, value != null ? ValueContext.numeric((Number)value) : value);
}
@Override
public String getValueForEmptyFields() {
return DATE_EMPTY_FIELD_VALUE;
}
}