Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/common/AbstractResultType.java @ 9539:4deb6b24f072
PDF-Export zu 2.8 Nachtrag
| author | gernotbelger |
|---|---|
| date | Wed, 17 Oct 2018 16:00:38 +0200 |
| parents | d7d22ea8573d |
| children |
| rev | line source |
|---|---|
| 8999 | 1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde |
| 2 * Software engineering by | |
| 3 * Björnsen Beratende Ingenieure GmbH | |
| 4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt | |
| 5 * | |
| 6 * This file is Free Software under the GNU AGPL (>=v3) | |
| 7 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
| 8 * documentation coming with Dive4Elements River for details. | |
| 9 */ | |
| 10 package org.dive4elements.river.artifacts.common; | |
| 11 | |
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12 import java.text.DateFormat; |
| 8999 | 13 import java.text.NumberFormat; |
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14 import java.util.Date; |
| 8999 | 15 import java.util.HashMap; |
| 16 import java.util.Locale; | |
| 17 import java.util.Map; | |
| 18 | |
| 19 import org.apache.commons.lang.StringUtils; | |
| 20 import org.dive4elements.artifacts.CallContext; | |
| 21 import org.dive4elements.artifacts.CallMeta; | |
| 22 import org.dive4elements.river.artifacts.resources.Resources; | |
| 23 | |
| 24 /** | |
| 25 * @author Domenico Nardi Tironi | |
| 26 */ | |
| 27 public abstract class AbstractResultType implements IResultType { | |
| 28 | |
| 29 /* Cache for formatters because Formatter will always create new formats (which is very expensive) */ | |
| 30 private final Map<Locale, NumberFormat> formatters = new HashMap<>(); | |
| 31 | |
| 32 private final String unit; | |
| 33 | |
| 34 private final String csvHeader; | |
| 35 | |
| 36 private final String pdfHeader; | |
| 37 | |
| 38 protected AbstractResultType(final String unit, final String csvHeader, final String pdfHeader) { | |
| 39 this.unit = unit; | |
| 40 this.csvHeader = csvHeader; | |
| 41 this.pdfHeader = pdfHeader; | |
| 42 | |
| 43 } | |
| 44 | |
| 45 @Override | |
| 46 public abstract String exportValue(final CallContext context, final Object value); | |
| 47 | |
| 48 protected final String exportStringValue(final Object value) { | |
| 49 | |
| 50 if (value == null) | |
| 51 return StringUtils.EMPTY; | |
| 52 | |
| 53 if (!(value instanceof String)) | |
| 54 throw new IllegalStateException(); | |
| 55 | |
| 56 return (String) value; | |
| 57 } | |
| 58 | |
| 9448 | 59 protected final String exportBooleanValue(final CallContext context, final Object value) { |
| 60 | |
| 61 if (value == null) | |
| 62 return StringUtils.EMPTY; // DISKUSSION; könnte auch "Nein" sein | |
| 63 | |
| 64 if (!(value instanceof Boolean)) | |
| 65 throw new IllegalStateException(); | |
| 66 | |
| 67 if ((boolean) value) { | |
| 9539 | 68 return Resources.getMsg(context.getMeta(), String.valueOf(value)); |
| 9448 | 69 } else { |
| 9539 | 70 return Resources.getMsg(context.getMeta(), String.valueOf(value)); |
| 9448 | 71 } |
| 72 } | |
| 73 | |
| 8999 | 74 @Override |
| 75 public final double asDouble(final Object value) { | |
| 76 if (value == null) | |
| 77 return Double.NaN; | |
| 78 | |
| 79 if (!(value instanceof Number)) | |
| 80 throw new IllegalStateException(); | |
| 81 | |
| 82 final Number number = (Number) value; | |
| 83 return number.doubleValue(); | |
| 84 } | |
| 85 | |
| 86 protected final String exportDoubleValue(final CallContext context, final double value) { | |
| 87 if (Double.isNaN(value)) | |
| 88 return StringUtils.EMPTY; | |
| 89 | |
| 90 final NumberFormat formatter = getFormatter(context); | |
| 91 return formatter.format(value); | |
| 92 } | |
| 93 | |
| 9491 | 94 protected NumberFormat getFormatter(final CallContext context) { |
| 8999 | 95 final CallMeta meta = context.getMeta(); |
| 96 final Locale locale = Resources.getLocale(meta); | |
| 97 | |
| 98 if (!this.formatters.containsKey(locale)) | |
| 99 this.formatters.put(locale, createFormatter(context)); | |
| 100 | |
| 101 return this.formatters.get(locale); | |
| 102 } | |
| 103 | |
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104 protected abstract NumberFormat createFormatter(CallContext context); |
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105 |
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106 protected final String exportDateValue(final CallContext context, final Date value) { |
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107 final Locale locale = Resources.getLocale(context.getMeta()); |
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108 final DateFormat df = DateFormat.getDateInstance(DateFormat.MEDIUM, locale); |
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109 return df.format(value); |
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110 } |
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111 |
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112 @Override |
| 8999 | 113 public final String getCsvHeader() { |
| 114 return this.csvHeader; | |
| 115 } | |
| 116 | |
| 117 public final String getCsvHeader(final CallMeta meta) { | |
| 118 return Resources.getMsg(meta, this.csvHeader, this.csvHeader); | |
| 119 } | |
| 120 | |
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121 @Override |
| 8999 | 122 public final String getPdfHeader(final CallMeta meta) { |
| 123 return Resources.getMsg(meta, this.pdfHeader, this.pdfHeader); | |
| 124 } | |
| 125 | |
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126 @Override |
| 8999 | 127 public final String getUnit() { |
| 128 return this.unit; | |
| 129 } | |
| 130 } |