diff --git a/org.springframework.context/src/main/java/org/springframework/format/number/NumberFormatAnnotationFormatterFactory.java b/org.springframework.context/src/main/java/org/springframework/format/number/NumberFormatAnnotationFormatterFactory.java new file mode 100644 index 00000000000..9640609bbb1 --- /dev/null +++ b/org.springframework.context/src/main/java/org/springframework/format/number/NumberFormatAnnotationFormatterFactory.java @@ -0,0 +1,87 @@ +/* + * Copyright 2002-2009 the original author or authors. + * + * Licensed 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.springframework.format.number; + +import java.math.BigDecimal; +import java.math.BigInteger; +import java.util.Collections; +import java.util.HashSet; +import java.util.Set; + +import org.springframework.format.AnnotationFormatterFactory; +import org.springframework.format.Formatter; +import org.springframework.format.Parser; +import org.springframework.format.Printer; +import org.springframework.format.annotation.NumberFormat; +import org.springframework.format.annotation.NumberFormat.Style; + +/** + * Formats fields annotated with the {@link NumberFormat} annotation. + * @author Keith Donald + * @since 3.0 + * @see NumberFormat + */ +public final class NumberFormatAnnotationFormatterFactory implements AnnotationFormatterFactory { + + private final Set> fieldTypes; + + public NumberFormatAnnotationFormatterFactory() { + this.fieldTypes = Collections.unmodifiableSet(createFieldTypes()); + } + + public Set> getFieldTypes() { + return this.fieldTypes; + } + + public Printer getPrinter(NumberFormat annotation, Class fieldType) { + return configureFormatterFrom(annotation, fieldType); + } + + public Parser getParser(NumberFormat annotation, Class fieldType) { + return configureFormatterFrom(annotation, fieldType); + } + + + // internal helpers + + private Set> createFieldTypes() { + Set> fieldTypes = new HashSet>(7); + fieldTypes.add(Short.class); + fieldTypes.add(Integer.class); + fieldTypes.add(Long.class); + fieldTypes.add(Float.class); + fieldTypes.add(Double.class); + fieldTypes.add(BigDecimal.class); + fieldTypes.add(BigInteger.class); + return fieldTypes; + } + + private Formatter configureFormatterFrom(NumberFormat annotation, Class fieldType) { + if (!annotation.pattern().isEmpty()) { + return new NumberFormatter(annotation.pattern()); + } else { + Style style = annotation.style(); + if (style == Style.PERCENT) { + return new PercentFormatter(); + } else if (style == Style.CURRENCY) { + return new CurrencyFormatter(); + } else { + return new NumberFormatter(); + } + } + } + +} \ No newline at end of file