/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library 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;
* version 2.1 of the License.
*
* This library 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.
*/
package org.geotools.filter.text.cql2;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.factory.Hints;
import org.geotools.temporal.object.DefaultInstant;
import org.geotools.temporal.object.DefaultPeriod;
import org.geotools.temporal.object.DefaultPosition;
import org.opengis.filter.And;
import org.opengis.filter.Filter;
import org.opengis.filter.FilterFactory;
import org.opengis.filter.Not;
import org.opengis.filter.Or;
import org.opengis.filter.PropertyIsBetween;
import org.opengis.filter.PropertyIsEqualTo;
import org.opengis.filter.PropertyIsLessThan;
import org.opengis.filter.PropertyIsLike;
import org.opengis.filter.expression.Expression;
import org.opengis.filter.expression.Function;
import org.opengis.filter.expression.Literal;
import org.opengis.filter.expression.PropertyName;
import org.opengis.filter.temporal.After;
import org.opengis.filter.temporal.Before;
import org.opengis.filter.temporal.During;
import org.opengis.temporal.Instant;
import org.opengis.temporal.Period;
/**
*
* Filter Sample Factory
*
* <p>
* Provide samples of filters
* </p>
*
* @author Mauricio Pazos - Axios Engineering
* @author Gabriel Roldan - Axios Engineering
* @since 2.5
*
*
*
* @source $URL$
*/
public class FilterCQLSample {
private static final FilterFactory FACTORY = CommonFactoryFinder.getFilterFactory((Hints) null);
private static final String DATE_TIME_FORMATTER = "yyyy-MM-dd'T'HH:mm:ss'Z'";
private static final Calendar CALENDAR = Calendar.getInstance();
public static final String LESS_FILTER_SAMPLE = "ATTR1 < 1";
public static final String LESS_EQ_FILTER_SAMPLE = "ATTR1 <= 1";
public static final String NOT_EQ_FILTER = "ATTR1 <> 1";
public static final String EQ_FILTER = "ATTR1 = 1";
public static final String FILTER_WITH_PAREN_ROUNDTRIP_EXPR = "ATTR1 > ((1 + 2) / 3)";
public static final String FILTER_WITH_NESTED_PAREN_EXPR = "ATTR1 < (1 + ((2 / 3) * 4))";
public static final String FILTER_SIMPLE_EXPR = "ATTR1 > 1 + 2";
public static final String FILTER_WITH_BRACKET_ROUNDTRIP_EXPR = "ATTR1 > [[1 + 2] / 3]";
public static final String PROPERTY_IS_NULL = "ATTR1 IS NULL";
public static final String PROPERTY_IS_NOT_NULL = "ATTR1 IS NOT NULL";
private static final String FIRST_DATE = "2006-11-30T01:30:00Z";
private static final String LAST_DATE = "2006-12-31T01:30:00Z";
public static final String FILTER_BEFORE_DATE = "ATTR1 BEFORE " + FIRST_DATE;
public static final String FILTER_BEFORE_PERIOD_BETWEEN_DATES = "ATTR1 BEFORE " + FIRST_DATE
+ "/" + LAST_DATE;
public static final String FILTER_BEFORE_PERIOD_DATE_AND_DAYS = "ATTR1 BEFORE " + FIRST_DATE
+ "/" + "P30D";
public static final String FILTER_BEFORE_PERIOD_DATE_AND_YEARS = "ATTR1 BEFORE " + FIRST_DATE
+ "/P1Y";
public static final String FILTER_BEFORE_PERIOD_DATE_AND_MONTHS = "ATTR1 BEFORE " + FIRST_DATE
+ "/P12M";
public static final String FILTER_AFTER_DATE = "ATTR1 AFTER " + LAST_DATE;
public static final String FILTER_AFTER_PERIOD_BETWEEN_DATES = "ATTR1 AFTER " + FIRST_DATE
+ "/" + LAST_DATE;
private static final String DURATION_DATE = "10";
public static final String FILTER_AFTER_PERIOD_DATE_DAYS = "ATTR1 AFTER " + FIRST_DATE + "/P"
+ DURATION_DATE + "D";
public static final String FILTER_AFTER_PERIOD_DATE_MONTH = "ATTR1 AFTER " + FIRST_DATE + "/P"
+ DURATION_DATE + "M";
public static final String FILTER_AFTER_PERIOD_DATE_YEARS = "ATTR1 AFTER " + FIRST_DATE + "/P"
+ DURATION_DATE + "Y";
public static final String FILTER_AFTER_PERIOD_DATE_YEARS_MONTH = "ATTR1 AFTER " + FIRST_DATE
+ "/P" + DURATION_DATE + "Y" + DURATION_DATE + "M";
private static final String DURATION_TIME = "5";
public static final String FILTER_AFTER_PERIOD_DATE_HOURS = "ATTR1 AFTER " + FIRST_DATE + "/T"
+ DURATION_TIME + "H";
public static final String FILTER_AFTER_PERIOD_DATE_MINUTES = "ATTR1 AFTER " + FIRST_DATE
+ "/T" + DURATION_TIME + "M";
public static final String FILTER_AFTER_PERIOD_DATE_SECONDS = "ATTR1 AFTER " + FIRST_DATE
+ "/T" + DURATION_TIME + "S";
public static final String FILTER_AFTER_PERIOD_DATE_YMD_HMS = "ATTR1 AFTER " + FIRST_DATE
+ "/P" + DURATION_DATE + "Y" + DURATION_DATE + "M" + DURATION_DATE + "D" + "T"
+ DURATION_TIME + "H" + DURATION_TIME + "M" + DURATION_TIME + "S";
public static final String FILTER_DURING_PERIOD_BETWEEN_DATES = "ATTR1 DURING " + FIRST_DATE
+ "/" + LAST_DATE;
public static final String FILTER_DURING_PERIOD_DATE_YMD_HMS = "ATTR1 DURING " + FIRST_DATE
+ "/P" + DURATION_DATE + "Y" + DURATION_DATE + "M" + DURATION_DATE + "D" + "T"
+ DURATION_TIME + "H" + DURATION_TIME + "M" + DURATION_TIME + "S";
public static final String FILTER_DURING_PERIOD_YMD_HMS_DATE = "ATTR1 DURING " + "P"
+ DURATION_DATE + "Y" + DURATION_DATE + "M" + DURATION_DATE + "D" + "T" + DURATION_TIME
+ "H" + DURATION_TIME + "M" + DURATION_TIME + "S" + "/" + LAST_DATE;
public static final String FILTER_BEFORE_PERIOD_YMD_HMS_DATE = "ATTR1 BEFORE " + "P"
+ DURATION_DATE + "Y" + DURATION_DATE + "M" + DURATION_DATE + "D" + "T" + DURATION_TIME
+ "H" + DURATION_TIME + "M" + DURATION_TIME + "S" + "/" + LAST_DATE;
public static final String FILTER_BEFORE_OR_DURING_PERIOD_BETWEEN_DATES = "ATTR1 BEFORE OR DURING "
+ FIRST_DATE + "/" + LAST_DATE;
public static final String FILTER_BEFORE_OR_DURING_PERIOD_YMD_HMS_DATE = "ATTR1 BEFORE OR DURING "
+ "P" + DURATION_DATE + "Y" + DURATION_DATE + "M" + DURATION_DATE + "D" + "T"
+ DURATION_TIME + "H" + DURATION_TIME + "M" + DURATION_TIME + "S" + "/" + LAST_DATE;
public static final String FILTER_BEFORE_OR_DURING_PERIOD_DATE_YMD_HMS = "ATTR1 BEFORE OR DURING "
+ FIRST_DATE + "/" + "P" + DURATION_DATE + "Y" + DURATION_DATE + "M" + DURATION_DATE + "D"
+ "T" + DURATION_TIME + "H" + DURATION_TIME + "M" + DURATION_TIME + "S";
public static final String FILTER_DURING_OR_AFTER_PERIOD_BETWEEN_DATES = "ATTR1 DURING OR AFTER "
+ FIRST_DATE + "/" + LAST_DATE;
public static final String FILTER_DURING_OR_AFTER_PERIOD_YMD_HMS_DATE = "ATTR1 DURING OR AFTER "
+ "P" + DURATION_DATE + "Y" + DURATION_DATE + "M" + DURATION_DATE + "D" + "T"
+ DURATION_TIME + "H" + DURATION_TIME + "M" + DURATION_TIME + "S" + "/" + LAST_DATE;
public static final String FILTER_DURING_OR_AFTER_PERIOD_DATE_YMD_HMS = "ATTR1 DURING OR AFTER "
+ FIRST_DATE + "/" + "P" + DURATION_DATE + "Y" + DURATION_DATE + "M" + DURATION_DATE + "D"
+ "T" + DURATION_TIME + "H" + DURATION_TIME + "M" + DURATION_TIME + "S";
public static final String ATTRIBUTE_NAME_EXISTS = "ATTR1 EXISTS";
public static final String ATTRIBUTE_NAME_DOES_NOT_EXIST = "ATTR1 DOES-NOT-EXIST";
public static final String FILTER_AND = "ATTR1 < 10 AND ATTR2 < 2";
public static final String FILTER_OR = "ATTR1 > 10 OR ATTR2 < 2";
public static final String FILTER_OR_AND = "ATTR1 < 10 AND ATTR2 < 2 OR ATTR3 > 10";
public static final String FILTER_OR_AND_PARENTHESIS = "ATTR3 < 4 AND (ATTR1 > 10 OR ATTR2 < 2)";
public static final String FILTER_AND_NOT_AND = "ATTR3 < 4 AND (NOT( ATTR1 < 10 AND ATTR2 < 2))";
public static final String FILTER_AND_NOT_COMPARASION = "ATTR1 < 1 AND (NOT (ATTR2 < 2)) AND ATTR3 < 3";
public static final String FILTER_WITH_FUNCTION_ABS = "ATTR1 < abs(10)";
public static final String FILTER__WITH_FUNCTION_STR_CONCAT = "ATTR1 = strConcat(A, '1')";
public static final String LIKE_FILTER = "ATTR1 LIKE 'abc%'";
public static final String NOT_LIKE_FILTER = "ATTR1 NOT LIKE 'abc%'";
public static final String BETWEEN_FILTER = "ATTR1 BETWEEN 10 AND 20";
public static final String NOT_BETWEEN_FILTER = "ATTR1 NOT BETWEEN 10 AND 20";
/** Catalog of samples */
public static Map<String,Object> SAMPLES = new HashMap<String,Object>();
static {
// Samples initialization
{
Filter filter;
// ---------------------------------------
filter = FACTORY.less(FACTORY.property("ATTR1"), FACTORY.literal(1));
SAMPLES.put(LESS_FILTER_SAMPLE, filter);
// ---------------------------------------
filter = FACTORY.lessOrEqual(FACTORY.property("ATTR1"), FACTORY.literal(1));
SAMPLES.put(LESS_EQ_FILTER_SAMPLE, filter);
// ---------------------------------------
filter = FACTORY.not(FACTORY.equals(FACTORY.property("ATTR1"), FACTORY.literal(1)));
SAMPLES.put(NOT_EQ_FILTER, filter);
// ---------------------------------------
filter = FACTORY.equals(FACTORY.property("ATTR1"), FACTORY.literal(1));
SAMPLES.put(EQ_FILTER, filter);
// ---------------------------------------
filter = FACTORY.greater(FACTORY.property("ATTR1"),
FACTORY.divide(FACTORY.add(FACTORY.literal(1), FACTORY.literal(2)),
FACTORY.literal(3)));
SAMPLES.put(FILTER_WITH_PAREN_ROUNDTRIP_EXPR, filter);
// ---------------------------------------
filter = FACTORY.greater(FACTORY.property("ATTR1"),
FACTORY.divide(FACTORY.add(FACTORY.literal(1), FACTORY.literal(2)),
FACTORY.literal(3)));
SAMPLES.put(FILTER_WITH_BRACKET_ROUNDTRIP_EXPR, filter);
// ---------------------------------------
// ATTR1 < (1 + ((2 / 3) * 4))
filter = FACTORY.less(FACTORY.property("ATTR1"),
FACTORY.add(FACTORY.literal(1),
FACTORY.multiply(FACTORY.divide(FACTORY.literal(2), FACTORY.literal(3)),
FACTORY.literal(4))));
SAMPLES.put(FILTER_WITH_NESTED_PAREN_EXPR, filter);
// ---------------------------------------
filter = FACTORY.greater(FACTORY.property("ATTR1"),
FACTORY.add(FACTORY.literal(1), FACTORY.literal(2)));
SAMPLES.put(FILTER_SIMPLE_EXPR, filter);
}
{
// ---------------------------------------
// ATTR1 IS NULL
Filter nullFilter = FACTORY.isNull(FACTORY.property("ATTR1"));
SAMPLES.put(PROPERTY_IS_NULL, nullFilter);
// ---------------------------------------
// ATTR1 IS NOT NULL
Filter notNullFilter = FACTORY.not(FACTORY.isNull(FACTORY.property("ATTR1")));
SAMPLES.put(PROPERTY_IS_NOT_NULL, notNullFilter);
}
{
// ---------------------------------------
// Result filter for BEFORE tests
Before beforeFilter = null;
try {
SimpleDateFormat dateFormatter = new SimpleDateFormat(DATE_TIME_FORMATTER);
Date dateTime = dateFormatter.parse(FIRST_DATE);
beforeFilter = FACTORY.before(FACTORY.property("ATTR1"), FACTORY.literal(dateTime));
} catch (ParseException e) {
e.printStackTrace();
}
// ATTR1 BEFORE 2006-12-31T01:30:00Z
SAMPLES.put(FILTER_BEFORE_DATE, beforeFilter);
// ATTR1 BEFORE 2006-11-30T01:30:00Z/2006-12-30T01:30:00Z
SAMPLES.put(FILTER_BEFORE_PERIOD_BETWEEN_DATES, beforeFilter);
// "ATTR1 BEFORE 2006-11-31T01:30:00Z/P30D"
SAMPLES.put(FILTER_BEFORE_PERIOD_DATE_AND_DAYS, beforeFilter);
// "ATTR1 BEFORE 2006-11-31T01:30:00Z/P1Y"
SAMPLES.put(FILTER_BEFORE_PERIOD_DATE_AND_YEARS, beforeFilter);
// "ATTR1 BEFORE 2006-11-31T01:30:00Z/P12M"
SAMPLES.put(FILTER_BEFORE_PERIOD_DATE_AND_MONTHS, beforeFilter);
{
// create before with date and period
try {
Date lastDate = strToDate(LAST_DATE);
Date firstDate = subtractDuration(lastDate, DURATION_DATE, DURATION_TIME);
Before before = FACTORY.before(FACTORY.property("ATTR1"),
FACTORY.literal(firstDate));
SAMPLES.put(FILTER_BEFORE_PERIOD_YMD_HMS_DATE, before);
} catch (ParseException e) {
e.printStackTrace();
}
}
}
{
// ---------------------------------------
// Result filter for AFTER tests
After afterFilter = null;
try {
SimpleDateFormat dateFormatter = new SimpleDateFormat(DATE_TIME_FORMATTER);
Date dateTime = dateFormatter.parse(LAST_DATE);
afterFilter = FACTORY.after(FACTORY.property("ATTR1"), FACTORY.literal(dateTime));
} catch (ParseException e) {
e.printStackTrace();
}
SAMPLES.put(FILTER_AFTER_DATE, afterFilter);
SAMPLES.put(FILTER_AFTER_PERIOD_BETWEEN_DATES, afterFilter);
// sample for period with date and duration
try {
Date firstDate = strToDate(FIRST_DATE);
Date lastDate;
//adds Days
CALENDAR.setTime(firstDate);
int days = Integer.parseInt(DURATION_DATE);
CALENDAR.add(Calendar.DATE, days);
lastDate = CALENDAR.getTime();
afterFilter = FACTORY.after(FACTORY.property("ATTR1"), FACTORY.literal(lastDate));
SAMPLES.put(FILTER_AFTER_PERIOD_DATE_DAYS, afterFilter);
//adds Years
int years = Integer.parseInt(DURATION_DATE);
CALENDAR.setTime(firstDate);
CALENDAR.add(Calendar.YEAR, years);
lastDate = CALENDAR.getTime();
afterFilter = FACTORY.after(FACTORY.property("ATTR1"), FACTORY.literal(lastDate));
SAMPLES.put(FILTER_AFTER_PERIOD_DATE_YEARS, afterFilter);
//adds Months
CALENDAR.setTime(firstDate);
int months = Integer.parseInt(DURATION_DATE);
CALENDAR.add(Calendar.MONTH, months);
lastDate = CALENDAR.getTime();
afterFilter = FACTORY.after(FACTORY.property("ATTR1"), FACTORY.literal(lastDate));
SAMPLES.put(FILTER_AFTER_PERIOD_DATE_MONTH, afterFilter);
// years and months
CALENDAR.setTime(firstDate);
int duration = Integer.parseInt(DURATION_DATE);
CALENDAR.add(Calendar.YEAR, duration);
CALENDAR.add(Calendar.MONTH, duration);
lastDate = CALENDAR.getTime();
afterFilter = FACTORY.after(FACTORY.property("ATTR1"), FACTORY.literal(lastDate));
SAMPLES.put(FILTER_AFTER_PERIOD_DATE_YEARS_MONTH, afterFilter);
// date and duration hours
CALENDAR.setTime(firstDate);
int hours = Integer.parseInt(DURATION_TIME);
CALENDAR.add(Calendar.HOUR, hours);
lastDate = CALENDAR.getTime();
afterFilter = FACTORY.after(FACTORY.property("ATTR1"), FACTORY.literal(lastDate));
SAMPLES.put(FILTER_AFTER_PERIOD_DATE_HOURS, afterFilter);
// date and duration minutes
CALENDAR.setTime(firstDate);
int minutes = Integer.parseInt(DURATION_TIME);
CALENDAR.add(Calendar.MINUTE, minutes);
lastDate = CALENDAR.getTime();
afterFilter = FACTORY.after(FACTORY.property("ATTR1"), FACTORY.literal(lastDate));
SAMPLES.put(FILTER_AFTER_PERIOD_DATE_MINUTES, afterFilter);
// date and duration seconds
CALENDAR.setTime(firstDate);
int seconds = Integer.parseInt(DURATION_TIME);
CALENDAR.add(Calendar.SECOND, seconds);
lastDate = CALENDAR.getTime();
afterFilter = FACTORY.after(FACTORY.property("ATTR1"), FACTORY.literal(lastDate));
SAMPLES.put(FILTER_AFTER_PERIOD_DATE_SECONDS, afterFilter);
// date and duration YMD_HMS
lastDate = addDuration(firstDate, DURATION_DATE, DURATION_TIME);
afterFilter = FACTORY.after(FACTORY.property("ATTR1"), FACTORY.literal(lastDate));
SAMPLES.put(FILTER_AFTER_PERIOD_DATE_YMD_HMS, afterFilter);
} catch (ParseException e) {
e.printStackTrace();
}
}
// ---------------------------------------
// Result filter for DURING tests
try {
// During with period between dates
Period period = createPeriod(FIRST_DATE, LAST_DATE);
During duringFilter = FACTORY.during(FACTORY.property("ATTR1"), FACTORY.literal(period) );
SAMPLES.put(FILTER_DURING_PERIOD_BETWEEN_DATES, duringFilter);
} catch (ParseException e) {
e.printStackTrace();
}
try {
// creates during with period between date and duration
{
final Date firstDate = strToDate(FIRST_DATE);
// date and duration YMD_HMS
final Date lastDate = addDuration(firstDate, DURATION_DATE, DURATION_TIME);
// creates an And filter firstDate <= prop <= lastDate
Period period = createPeriod(firstDate, lastDate);
During duringFilter = FACTORY.during(FACTORY.property("ATTR1"),FACTORY.literal( period ));
SAMPLES.put(FILTER_DURING_PERIOD_DATE_YMD_HMS, duringFilter);
}
{
// create during with period during and date
final Date lastDate = strToDate(LAST_DATE);
Date firstDate = subtractDuration(lastDate, DURATION_DATE, DURATION_TIME);
Period period = createPeriod(firstDate, lastDate);
During duringFilter = FACTORY.during(FACTORY.property("ATTR1"),FACTORY.literal( period ));
SAMPLES.put(FILTER_DURING_PERIOD_YMD_HMS_DATE, duringFilter);
}
} catch (Exception e) {
e.printStackTrace();
}
// ------------------------------------------------
// result filter for Before or During test
try {
final Date firstDate = strToDate(FIRST_DATE);
final Date lastDate = strToDate(LAST_DATE);
final PropertyName property = FACTORY.property("ATTR1");
Or filter = buildBeforeOrDuringFilter(property, firstDate, lastDate);
SAMPLES.put(FILTER_BEFORE_OR_DURING_PERIOD_BETWEEN_DATES, filter);
} catch (ParseException e) {
e.printStackTrace();
}
try {
// Period: duration / date
final Date lastDate = strToDate(LAST_DATE);
final Date firstDate = subtractDuration(lastDate, DURATION_DATE, DURATION_TIME);
final PropertyName property = FACTORY.property("ATTR1");
Or filter = buildBeforeOrDuringFilter(property, firstDate, lastDate);
SAMPLES.put(FILTER_BEFORE_OR_DURING_PERIOD_YMD_HMS_DATE, filter);
} catch (ParseException e) {
e.printStackTrace();
}
try {
// Period: date / duration
final Date firstDate = strToDate(FIRST_DATE);
Date lastDate = addDuration(firstDate, DURATION_DATE, DURATION_TIME);
final PropertyName property = FACTORY.property("ATTR1");
Or filter = buildBeforeOrDuringFilter(property, firstDate, lastDate);
SAMPLES.put(FILTER_BEFORE_OR_DURING_PERIOD_DATE_YMD_HMS, filter);
} catch (ParseException e) {
e.printStackTrace();
}
// ---------------------------------------
// DURING OR AFTER samples
try {
// period: first date / last date
final PropertyName property= FACTORY.property("ATTR1");
Period period = createPeriod(FIRST_DATE, LAST_DATE);
Or filter = buildDuringOrAfterFilter(property, period);
SAMPLES.put(FILTER_DURING_OR_AFTER_PERIOD_BETWEEN_DATES, filter);
} catch (ParseException e) {
e.printStackTrace();
}
try {
// period: duration / last date
final Date lastDate = strToDate(LAST_DATE);
final Date firstDate = subtractDuration(lastDate, DURATION_DATE, DURATION_TIME);
final Period period = createPeriod(firstDate, lastDate);
final PropertyName property= FACTORY.property("ATTR1");
Or filter = buildDuringOrAfterFilter(property, period);
SAMPLES.put(FILTER_DURING_OR_AFTER_PERIOD_YMD_HMS_DATE, filter);
} catch (ParseException e) {
e.printStackTrace();
}
try {
// period: first date / duration
final Date firstDate = strToDate(FIRST_DATE);
Date lastDate = addDuration(firstDate, DURATION_DATE, DURATION_TIME);
final PropertyName property= FACTORY.property("ATTR1");
Period period = createPeriod(firstDate, lastDate);
Or filter = buildDuringOrAfterFilter(property, period);
SAMPLES.put(FILTER_DURING_OR_AFTER_PERIOD_DATE_YMD_HMS, filter);
} catch (ParseException e) {
e.printStackTrace();
}
// ---------------------------------------
// Existence predicate samples
try {
// EXISTS sample
Expression[] args = new Expression[1];
args[0] = FACTORY.literal("ATTR1");
Function function = FACTORY.function("PropertyExists", args);
Literal literalTrue = FACTORY.literal(Boolean.TRUE);
PropertyIsEqualTo propExists = FACTORY.equals(function, literalTrue);
SAMPLES.put(ATTRIBUTE_NAME_EXISTS, propExists);
// DOES NOT EXIST sample
Not notEq = FACTORY.not(propExists);
SAMPLES.put(ATTRIBUTE_NAME_DOES_NOT_EXIST, notEq);
} catch (Exception e) {
e.printStackTrace();
}
// ---------------------------------------
// boolean value expression
try {
PropertyName attr1 = FACTORY.property("ATTR1");
PropertyName attr2 = FACTORY.property("ATTR2");
PropertyName attr3 = FACTORY.property("ATTR3");
// "ATT1 < 10 AND ATT2 < 2";
And andFilter = FACTORY.and(FACTORY.less(attr1, FACTORY.literal(10)),
FACTORY.less(attr2, FACTORY.literal(2)));
SAMPLES.put(FILTER_AND, andFilter);
// "ATT1 > 10 OR ATT2 < 2";
Or orFilter = FACTORY.or(FACTORY.greater(attr1, FACTORY.literal(10)),
FACTORY.less(attr2, FACTORY.literal(2)));
SAMPLES.put(FILTER_OR, orFilter);
// ATTR1 < 10 AND ATTR2 < 2 OR ATTR3 > 10
Or orAndFilter = FACTORY.or(andFilter, FACTORY.greater(attr3, FACTORY.literal(10)));
SAMPLES.put(FILTER_OR_AND, orAndFilter);
// ATTR3 < 4 AND (ATTR1 > 10 OR ATTR2 < 2)
And parenthesisFilter = FACTORY.and(FACTORY.less(attr3, FACTORY.literal(4)), orFilter);
SAMPLES.put(FILTER_OR_AND_PARENTHESIS, parenthesisFilter);
// ATTR3 < 4 AND (NOT( ATTR1 < 10 AND ATTR2 < 2))
And andNotAnd = FACTORY.and(FACTORY.less(attr3, FACTORY.literal(4)),
FACTORY.not(FACTORY.and(FACTORY.less(attr1, FACTORY.literal(10)),
FACTORY.less(attr2, FACTORY.literal(2)))));
SAMPLES.put(FILTER_AND_NOT_AND, andNotAnd);
// ATTR1 < 1 AND (NOT (ATTR2 < 2)) AND ATTR3 < 3
And andNotComparasion = FACTORY.and(FACTORY.and(FACTORY.less(attr1, FACTORY.literal(1)),
FACTORY.not(FACTORY.less(attr2, FACTORY.literal(2)))),
FACTORY.less(attr3, FACTORY.literal(3)));
SAMPLES.put(FILTER_AND_NOT_COMPARASION, andNotComparasion);
} catch (Exception e) {
e.printStackTrace();
}
// Unary Expression sampel
try {
// User defined Function Sample
Expression[] absArgs = new Expression[1];
absArgs[0] = FACTORY.literal(10);
Function abs = FACTORY.function("abs", absArgs );
PropertyIsLessThan lessFilter = FACTORY.less(FACTORY.property("ATTR1"), abs);
SAMPLES.put(FILTER_WITH_FUNCTION_ABS, lessFilter);
// builds ATTR1 = strConcat(A, '1')
Expression[] strConcatArgs = new Expression[2];
strConcatArgs[0] = FACTORY.literal("A");
strConcatArgs[1] = FACTORY.literal("1");
Function strConcat = FACTORY.function("strConcat", strConcatArgs);
PropertyIsEqualTo eqFilter = FACTORY.equals(FACTORY.property("ATTR1"), strConcat);
SAMPLES.put(FILTER__WITH_FUNCTION_STR_CONCAT, eqFilter);
} catch (Exception e) {
e.printStackTrace();
}
// Like filter
try {
final String WC_MULTI = "%";
final String WC_SINGLE = "_";
final String ESCAPE = "\\";
PropertyName property = FACTORY.property("ATTR1");
PropertyIsLike likeFilter = FACTORY.like(property, "abc" + WC_MULTI, WC_MULTI,
WC_SINGLE, ESCAPE);
SAMPLES.put(LIKE_FILTER, likeFilter);
Not notLikeFileter = FACTORY.not(likeFilter);
SAMPLES.put(NOT_LIKE_FILTER, notLikeFileter);
} catch (Exception e) {
e.printStackTrace();
}
// bettween filter
try {
PropertyName property = FACTORY.property("ATTR1");
Literal inf = FACTORY.literal(10);
Literal sup = FACTORY.literal(20);
PropertyIsBetween betweenFilter = FACTORY.between(property, inf, sup);
SAMPLES.put(BETWEEN_FILTER, betweenFilter);
Not notBetweenFileter = FACTORY.not(betweenFilter);
SAMPLES.put(NOT_BETWEEN_FILTER, notBetweenFileter);
} catch (Exception e) {
e.printStackTrace();
}
} // end static initialization
private static Or buildDuringOrAfterFilter(final PropertyName property, Period period)
throws ParseException {
During during = FACTORY.during(property, FACTORY.literal(period));
final Date lastDate = strToDate(FIRST_DATE);
After after = FACTORY.after(property, FACTORY.literal(lastDate));
Or filter = FACTORY.or(during, after);
return filter;
}
protected FilterCQLSample() {
// factory class
}
private static Or buildBeforeOrDuringFilter(
final PropertyName property,
final Date firstDate,
final Date lastDate) {
Before before = FACTORY.before(property, FACTORY.literal(firstDate));
Period period = createPeriod(firstDate, lastDate);
During during = FACTORY.during(property, FACTORY.literal(period));
Or filter = FACTORY.or(before, during );
return filter;
}
private static Date strToDate(String firstDate) throws ParseException {
SimpleDateFormat dateFormatter = new SimpleDateFormat(DATE_TIME_FORMATTER);
return dateFormatter.parse(firstDate);
}
private static Period createPeriod(String firstDate, String lastDate) throws ParseException {
return new DefaultPeriod(dateToInstant(firstDate), dateToInstant(lastDate));
}
private static Period createPeriod(Date firstDate, Date lastDate) {
Instant i1 = new DefaultInstant(new DefaultPosition(firstDate));
Instant i2 = new DefaultInstant(new DefaultPosition(lastDate));
return new DefaultPeriod(i1, i2);
}
/**
* Add duration to date
*
* @param firstDate
* @return
* @throws NumberFormatException
*/
private static Date addDuration(final Date date, final String durationDate, final String durationTime) {
CALENDAR.setTime(date);
int durDate = Integer.parseInt(durationDate);
CALENDAR.add(Calendar.YEAR, durDate);
CALENDAR.add(Calendar.MONTH, durDate);
CALENDAR.add(Calendar.DATE, durDate);
int durTime = Integer.parseInt(durationTime);
CALENDAR.add(Calendar.HOUR, durTime);
CALENDAR.add(Calendar.MINUTE, durTime);
CALENDAR.add(Calendar.SECOND, durTime);
Date lastDate = CALENDAR.getTime();
return lastDate;
}
/**
* Subtract duration to date
*
* @param lastDate
* a Date
* @param durationDate
* @param durationTime
*
* @return Date
*/
private static Date subtractDuration(final Date lastDate, final String durationDate, final String durationTime) {
CALENDAR.setTime(lastDate);
int durDate = -1 * Integer.parseInt(durationDate);
CALENDAR.add(Calendar.YEAR, durDate);
CALENDAR.add(Calendar.MONTH, durDate);
CALENDAR.add(Calendar.DATE, durDate);
int durTime = -1 * Integer.parseInt(durationTime);
CALENDAR.add(Calendar.HOUR, durTime);
CALENDAR.add(Calendar.MINUTE, durTime);
CALENDAR.add(Calendar.SECOND, durTime);
Date firstDate = CALENDAR.getTime();
return firstDate;
}
public static Filter getSample(final String sampleRequested) {
Filter sample = (Filter) SAMPLES.get(sampleRequested);
assert (sample != null) : "There is not a sample for " + sampleRequested;
return sample;
}
private static Instant dateToInstant(String strDate) throws ParseException{
SimpleDateFormat dateFormatter = new SimpleDateFormat(DATE_TIME_FORMATTER);
Date date;
try {
date = dateFormatter.parse(strDate);
} catch (ParseException e) {
e.printStackTrace();
throw e;
}
Instant instant = new DefaultInstant(new DefaultPosition(date));
return instant;
}
}