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Package: EMFFormsSpreadsheetMultiAttributeConverter
EMFFormsSpreadsheetMultiAttributeConverter
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| EMFFormsSpreadsheetMultiAttributeConverter() |
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| getCellValue(Cell, EStructuralFeature) |
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| isApplicable(EObject, VDomainModelReference) |
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| isDecimalNumber(Class) |
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| setCellValue(Cell, Object, EStructuralFeature, ViewModelContext) |
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| setDatabinding(EMFFormsDatabindingEMF) |
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| setEMFFormsLocaleProvider(EMFFormsLocaleProvider) |
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| setReportService(ReportService) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2015 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Johannes Faltermeier - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emfforms.internal.spreadsheet.core.converter;
15:
16: import java.math.BigDecimal;
17: import java.text.DecimalFormatSymbols;
18: import java.text.MessageFormat;
19: import java.util.ArrayList;
20: import java.util.Collections;
21: import java.util.List;
22:
23: import org.apache.poi.ss.usermodel.Cell;
24: import org.apache.poi.ss.usermodel.CellStyle;
25: import org.eclipse.emf.ecore.EAttribute;
26: import org.eclipse.emf.ecore.EDataType;
27: import org.eclipse.emf.ecore.EFactory;
28: import org.eclipse.emf.ecore.EObject;
29: import org.eclipse.emf.ecore.EStructuralFeature;
30: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
31: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
32: import org.eclipse.emfforms.spi.common.locale.EMFFormsLocaleProvider;
33: import org.eclipse.emfforms.spi.common.report.ReportService;
34: import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF;
35: import org.eclipse.emfforms.spi.spreadsheet.core.converter.EMFFormsCellStyleConstants;
36: import org.eclipse.emfforms.spi.spreadsheet.core.converter.EMFFormsConverterException;
37: import org.eclipse.emfforms.spi.spreadsheet.core.converter.EMFFormsSpreadsheetValueConverter;
38: import org.eclipse.emfforms.spi.spreadsheet.core.converter.EMFFormsSpreadsheetValueConverterHelper;
39: import org.osgi.service.component.annotations.Component;
40: import org.osgi.service.component.annotations.Reference;
41: import org.osgi.service.component.annotations.ReferenceCardinality;
42:
43: /**
44: * {@link EMFFormsSpreadsheetValueConverter Converter} for multi {@link EAttribute attributes}.
45: *
46: * @author Johannes Faltermeier
47: *
48: */
49: @Component(name = "EMFFormsSpreadsheetMultiAttributeConverter")
50: public class EMFFormsSpreadsheetMultiAttributeConverter implements EMFFormsSpreadsheetValueConverter {
51:
52: private static final String SEPARATOR = " "; //$NON-NLS-1$
53:
54: private EMFFormsDatabindingEMF databinding;
55: private ReportService reportService;
56:
57: private EMFFormsLocaleProvider localeProvider;
58:
59: /**
60: * Sets the databinding service.
61: *
62: * @param databinding the service
63: */
64: @Reference(cardinality = ReferenceCardinality.MANDATORY, unbind = "-")
65: public void setDatabinding(EMFFormsDatabindingEMF databinding) {
66: this.databinding = databinding;
67: }
68:
69: /**
70: * Sets the EMFFormsLocaleProvider service.
71: *
72: * @param localeProvider the service
73: */
74: @Reference(cardinality = ReferenceCardinality.MANDATORY, unbind = "-")
75: protected void setEMFFormsLocaleProvider(EMFFormsLocaleProvider localeProvider) {
76: this.localeProvider = localeProvider;
77: }
78:
79: /**
80: * Sets the report service.
81: *
82: * @param reportService the service
83: */
84: @Reference(cardinality = ReferenceCardinality.MANDATORY, unbind = "-")
85: public void setReportService(ReportService reportService) {
86: this.reportService = reportService;
87: }
88:
89: @Override
90: public double isApplicable(EObject domainObject, VDomainModelReference dmr) {
91: final EStructuralFeature feature = EMFFormsSpreadsheetValueConverterHelper.getFeature(domainObject, dmr,
92: databinding,
93: reportService);
94:• if (feature == null) {
95: return NOT_APPLICABLE;
96: }
97:• if (!EAttribute.class.isInstance(feature)) {
98: return NOT_APPLICABLE;
99: }
100:• if (!feature.isMany()) {
101: return NOT_APPLICABLE;
102: }
103: return 0d;
104: }
105:
106: /**
107: * {@inheritDoc}
108: *
109: * @see org.eclipse.emfforms.spi.spreadsheet.core.converter.EMFFormsSpreadsheetValueConverter#setCellValue(org.apache.poi.ss.usermodel.Cell,
110: * java.lang.Object, org.eclipse.emf.ecore.EStructuralFeature,
111: * org.eclipse.emf.ecp.view.spi.context.ViewModelContext)
112: */
113: @Override
114: public void setCellValue(Cell cell, Object fromObject, EStructuralFeature eStructuralFeature,
115: ViewModelContext viewModelContext)
116: throws EMFFormsConverterException {
117: final EDataType eDataType = EAttribute.class.cast(eStructuralFeature).getEAttributeType();
118: final EFactory eFactory = eDataType.getEPackage().getEFactoryInstance();
119: final StringBuilder result = new StringBuilder();
120:• for (final Object value : (List<?>) fromObject) {
121:• if (result.length() != 0) {
122: result.append(SEPARATOR);
123: }
124: result.append(eFactory.convertToString(eDataType, value));
125: }
126: String valueString = result.toString();
127:• if (isDecimalNumber(eDataType.getInstanceClass())) {
128: valueString = valueString.replace('.',
129: DecimalFormatSymbols.getInstance(localeProvider.getLocale()).getDecimalSeparator());
130: }
131: cell.setCellValue(valueString);
132: cell.setCellStyle((CellStyle) viewModelContext.getContextValue(EMFFormsCellStyleConstants.TEXT));
133: }
134:
135: private boolean isDecimalNumber(final Class<?> clazz) {
136:• return Double.TYPE == clazz
137:• || Double.class.isAssignableFrom(clazz)
138:• || Float.TYPE == clazz
139:• || Float.class.isAssignableFrom(clazz)
140:• || BigDecimal.class.isAssignableFrom(clazz);
141: }
142:
143: /**
144: * {@inheritDoc}
145: *
146: * @see org.eclipse.emfforms.spi.spreadsheet.core.converter.EMFFormsSpreadsheetValueConverter#getCellValue(org.apache.poi.ss.usermodel.Cell,
147: * org.eclipse.emf.ecore.EStructuralFeature)
148: */
149: @Override
150: public Object getCellValue(Cell cell, EStructuralFeature eStructuralFeature) throws EMFFormsConverterException {
151: String string;
152: try {
153: string = cell.getStringCellValue();
154: } catch (final IllegalStateException e) {
155: throw new EMFFormsConverterException(
156: String.format("Cell value of column %1$s in row %2$s on sheet %3$s must be a string.", //$NON-NLS-1$
157: cell.getColumnIndex() + 1, cell.getRowIndex() + 1, cell.getSheet().getSheetName()),
158: e);
159: }
160:
161:• if (string == null || string.length() == 0) {
162: return Collections.emptyList();
163: }
164: final EAttribute eAttribute = EAttribute.class.cast(eStructuralFeature);
165: final EDataType eDataType = eAttribute.getEAttributeType();
166:• if (isDecimalNumber(eDataType.getInstanceClass())) {
167: string = string.replace(DecimalFormatSymbols.getInstance(localeProvider.getLocale()).getDecimalSeparator(),
168: '.');
169: }
170:
171: final List<Object> result = new ArrayList<Object>();
172: final EFactory eFactory = eDataType.getEPackage().getEFactoryInstance();
173:• for (final String element : string.split(SEPARATOR)) {
174: try {
175: result.add(eFactory.createFromString(eDataType, element));
176: } // BEGIN SUPRESS CATCH EXCEPTION
177: catch (final RuntimeException ex) {// END SUPRESS CATCH EXCEPTION
178: throw new EMFFormsConverterException(
179: MessageFormat.format("The cell value {0} could not converted to a model value.", string)); //$NON-NLS-1$
180: }
181: }
182:
183: return result;
184: }
185:
186: }