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- /*
- * ====================================================================
- * 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.
- * ====================================================================
- */
-
- package org.apache.poi.xddf.usermodel.chart;
-
- import org.apache.poi.util.Beta;
- import org.apache.poi.util.Internal;
- import org.openxmlformats.schemas.drawingml.x2006.chart.CTNumData;
- import org.openxmlformats.schemas.drawingml.x2006.chart.CTNumVal;
- import org.openxmlformats.schemas.drawingml.x2006.chart.CTStrData;
- import org.openxmlformats.schemas.drawingml.x2006.chart.CTStrVal;
-
- @Beta
- public interface XDDFDataSource<T> {
- int getPointCount();
-
- T getPointAt(int index);
-
- /**
- * @since POI 4.0.2
- */
- boolean isLiteral();
-
- /**
- * @since POI 4.1.2
- */
- boolean isCellRange();
-
- boolean isReference();
-
- boolean isNumeric();
-
- int getColIndex();
-
- String getDataRangeReference();
-
- String getFormula();
-
- String getFormatCode();
-
- /**
- * @since POI 5.0.0
- */
- @Internal
- default void fillNumericalCache(CTNumData cache) {
- String formatCode = getFormatCode();
- if (formatCode == null) {
- if (cache.isSetFormatCode()) {
- cache.unsetFormatCode();
- }
- } else {
- cache.setFormatCode(formatCode);
- }
- cache.setPtArray(null); // unset old values
- final int numOfPoints = getPointCount();
- int effectiveNumOfPoints = 0;
- for (int i = 0; i < numOfPoints; ++i) {
- Object value = getPointAt(i);
- if (value != null) {
- CTNumVal ctNumVal = cache.addNewPt();
- ctNumVal.setIdx(i);
- ctNumVal.setV(value.toString());
- effectiveNumOfPoints++;
- }
- }
- if (effectiveNumOfPoints == 0) {
- if (cache.isSetPtCount()) {
- cache.unsetPtCount();
- }
- } else {
- if (cache.isSetPtCount()) {
- cache.getPtCount().setVal(numOfPoints);
- } else {
- cache.addNewPtCount().setVal(numOfPoints);
- }
- }
- }
-
- /**
- * @since POI 4.1.2
- */
- @Internal
- default void fillStringCache(CTStrData cache) {
- cache.setPtArray(null); // unset old values
- final int numOfPoints = getPointCount();
- int effectiveNumOfPoints = 0;
- for (int i = 0; i < numOfPoints; ++i) {
- Object value = getPointAt(i);
- if (value != null) {
- CTStrVal ctStrVal = cache.addNewPt();
- ctStrVal.setIdx(i);
- ctStrVal.setV(value.toString());
- effectiveNumOfPoints++;
- }
- }
- if (effectiveNumOfPoints == 0) {
- if (cache.isSetPtCount()) {
- cache.unsetPtCount();
- }
- } else {
- if (cache.isSetPtCount()) {
- cache.getPtCount().setVal(numOfPoints);
- } else {
- cache.addNewPtCount().setVal(numOfPoints);
- }
- }
- }
- }
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