+++ /dev/null
-package org.apache.lucene.queryParser.standard.processors;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import java.text.Collator;
-import java.text.DateFormat;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.List;
-import java.util.Locale;
-
-import org.apache.lucene.document.DateField;
-import org.apache.lucene.document.DateTools;
-import org.apache.lucene.document.DateTools.Resolution;
-import org.apache.lucene.queryParser.core.QueryNodeException;
-import org.apache.lucene.queryParser.core.config.FieldConfig;
-import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
-import org.apache.lucene.queryParser.core.nodes.ParametricQueryNode;
-import org.apache.lucene.queryParser.core.nodes.ParametricRangeQueryNode;
-import org.apache.lucene.queryParser.core.nodes.QueryNode;
-import org.apache.lucene.queryParser.core.nodes.ParametricQueryNode.CompareOperator;
-import org.apache.lucene.queryParser.core.processors.QueryNodeProcessorImpl;
-import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
-import org.apache.lucene.queryParser.standard.nodes.RangeQueryNode;
-
-/**
- * This processor converts {@link ParametricRangeQueryNode} objects to
- * {@link RangeQueryNode} objects. It reads the lower and upper bounds value
- * from the {@link ParametricRangeQueryNode} object and try to parse their
- * values using a {@link DateFormat}. If the values cannot be parsed to a date
- * value, it will only create the {@link RangeQueryNode} using the
- * non-parsed values. <br/>
- * <br/>
- * If a {@link ConfigurationKeys#LOCALE} is defined in the {@link QueryConfigHandler} it
- * will be used to parse the date, otherwise {@link Locale#getDefault()} will be
- * used. <br/>
- * <br/>
- * If a {@link ConfigurationKeys#DATE_RESOLUTION} is defined and the {@link Resolution} is
- * not <code>null</code> it will also be used to parse the date value. <br/>
- * <br/>
- *
- * @see ConfigurationKeys#DATE_RESOLUTION
- * @see ConfigurationKeys#LOCALE
- * @see org.apache.lucene.queryParser.standard.nodes.TermRangeQueryNode
- * @see ParametricRangeQueryNode
- */
-public class ParametricRangeQueryNodeProcessor extends QueryNodeProcessorImpl {
-
- public ParametricRangeQueryNodeProcessor() {
- // empty constructor
- }
-
- @Override
- protected QueryNode postProcessNode(QueryNode node) throws QueryNodeException {
-
- if (node instanceof ParametricRangeQueryNode) {
- ParametricRangeQueryNode parametricRangeNode = (ParametricRangeQueryNode) node;
- ParametricQueryNode upper = parametricRangeNode.getUpperBound();
- ParametricQueryNode lower = parametricRangeNode.getLowerBound();
- DateTools.Resolution dateRes = null;
- boolean inclusive = false;
-
- Locale locale = getQueryConfigHandler().get(ConfigurationKeys.LOCALE,
- Locale.getDefault());
-
- Collator collator = getQueryConfigHandler().get(
- ConfigurationKeys.RANGE_COLLATOR);
-
-
- CharSequence field = parametricRangeNode.getField();
- String fieldStr = null;
-
- if (field != null) {
- fieldStr = field.toString();
- }
-
- FieldConfig fieldConfig = getQueryConfigHandler()
- .getFieldConfig(fieldStr);
-
- if (fieldConfig != null) {
- dateRes = fieldConfig.get(ConfigurationKeys.DATE_RESOLUTION);
- }
-
- if (upper.getOperator() == CompareOperator.LE) {
- inclusive = true;
-
- } else if (lower.getOperator() == CompareOperator.GE) {
- inclusive = true;
- }
-
- String part1 = lower.getTextAsString();
- String part2 = upper.getTextAsString();
-
- try {
- DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
- df.setLenient(true);
- Date d1 = df.parse(part1);
- Date d2 = df.parse(part2);
- if (inclusive) {
- // The user can only specify the date, not the time, so make sure
- // the time is set to the latest possible time of that date to really
- // include all documents:
- Calendar cal = Calendar.getInstance(locale);
- cal.setTime(d2);
- cal.set(Calendar.HOUR_OF_DAY, 23);
- cal.set(Calendar.MINUTE, 59);
- cal.set(Calendar.SECOND, 59);
- cal.set(Calendar.MILLISECOND, 999);
- d2 = cal.getTime();
- }
-
- if (dateRes == null) {
- // no default or field specific date resolution has been set,
- // use deprecated DateField to maintain compatibilty with
- // pre-1.9 Lucene versions.
- part1 = DateField.dateToString(d1);
- part2 = DateField.dateToString(d2);
-
- } else {
- part1 = DateTools.dateToString(d1, dateRes);
- part2 = DateTools.dateToString(d2, dateRes);
- }
- } catch (Exception e) {
- // do nothing
- }
-
- lower.setText(part1);
- upper.setText(part2);
-
- return new RangeQueryNode(lower, upper, collator);
-
- }
-
- return node;
-
- }
-
- @Override
- protected QueryNode preProcessNode(QueryNode node) throws QueryNodeException {
-
- return node;
-
- }
-
- @Override
- protected List<QueryNode> setChildrenOrder(List<QueryNode> children)
- throws QueryNodeException {
-
- return children;
-
- }
-
-}
fnp / pylucene.git / blobdiff