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backported "formatters" property to FormattingConversionServiceFactor…
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161 changes: 161 additions & 0 deletions
161
.../java/org/springframework/format/support/FormattingConversionServiceFactoryBeanTests.java
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| /* | ||
| * Copyright 2002-2011 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. | ||
| */ | ||
|
|
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| package org.springframework.format.support; | ||
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| import java.lang.annotation.ElementType; | ||
| import java.lang.annotation.Retention; | ||
| import java.lang.annotation.RetentionPolicy; | ||
| import java.lang.annotation.Target; | ||
| import java.text.ParseException; | ||
| import java.util.HashSet; | ||
| import java.util.Locale; | ||
| import java.util.Set; | ||
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| import org.junit.Test; | ||
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| import org.springframework.core.convert.TypeDescriptor; | ||
| 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; | ||
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| import static org.junit.Assert.*; | ||
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| /** | ||
| * @author Rossen Stoyanchev | ||
| */ | ||
| public class FormattingConversionServiceFactoryBeanTests { | ||
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| @Test | ||
| public void testDefaultFormatters() throws Exception { | ||
| FormattingConversionServiceFactoryBean factory = new FormattingConversionServiceFactoryBean(); | ||
| factory.afterPropertiesSet(); | ||
| FormattingConversionService fcs = factory.getObject(); | ||
| TypeDescriptor descriptor = new TypeDescriptor(TestBean.class.getDeclaredField("percent")); | ||
| Object value = fcs.convert("5%", TypeDescriptor.valueOf(String.class), descriptor); | ||
| assertEquals(.05, value); | ||
| value = fcs.convert(.05, descriptor, TypeDescriptor.valueOf(String.class)); | ||
| assertEquals("5%", value); | ||
| } | ||
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| @Test | ||
| public void testCustomFormatter() throws Exception { | ||
| FormattingConversionServiceFactoryBean factory = new FormattingConversionServiceFactoryBean(); | ||
| Set<Object> formatters = new HashSet<Object>(); | ||
| formatters.add(new TestBeanFormatter()); | ||
| formatters.add(new SpecialIntAnnotationFormatterFactory()); | ||
| factory.setFormatters(formatters); | ||
| factory.afterPropertiesSet(); | ||
| FormattingConversionService fcs = factory.getObject(); | ||
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| TestBean testBean = fcs.convert("5", TestBean.class); | ||
| assertEquals(5, testBean.getSpecialInt()); | ||
| assertEquals("5", fcs.convert(testBean, String.class)); | ||
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| TypeDescriptor descriptor = new TypeDescriptor(TestBean.class.getDeclaredField("specialInt")); | ||
| Object value = fcs.convert(":5", TypeDescriptor.valueOf(String.class), descriptor); | ||
| assertEquals(5, value); | ||
| value = fcs.convert(5, descriptor, TypeDescriptor.valueOf(String.class)); | ||
| assertEquals(":5", value); | ||
| } | ||
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| @Test | ||
| public void testInvalidFormatter() throws Exception { | ||
| FormattingConversionServiceFactoryBean factory = new FormattingConversionServiceFactoryBean(); | ||
| Set<Object> formatters = new HashSet<Object>(); | ||
| formatters.add(new Object()); | ||
| factory.setFormatters(formatters); | ||
| try { | ||
| factory.afterPropertiesSet(); | ||
| fail("Expected formatter to be rejected"); | ||
| } | ||
| catch (IllegalArgumentException ex) { | ||
| // expected | ||
| } | ||
| } | ||
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| @Target({ ElementType.METHOD, ElementType.FIELD, ElementType.PARAMETER }) | ||
| @Retention(RetentionPolicy.RUNTIME) | ||
| private @interface SpecialInt { | ||
| } | ||
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| private static class TestBean { | ||
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| @SuppressWarnings("unused") | ||
| @NumberFormat(style = Style.PERCENT) | ||
| private double percent; | ||
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| @SpecialInt | ||
| private int specialInt; | ||
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| public int getSpecialInt() { | ||
| return specialInt; | ||
| } | ||
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| public void setSpecialInt(int field) { | ||
| this.specialInt = field; | ||
| } | ||
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| } | ||
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| private static class TestBeanFormatter implements Formatter<TestBean> { | ||
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| public String print(TestBean object, Locale locale) { | ||
| return String.valueOf(object.getSpecialInt()); | ||
| } | ||
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| public TestBean parse(String text, Locale locale) throws ParseException { | ||
| TestBean object = new TestBean(); | ||
| object.setSpecialInt(Integer.parseInt(text)); | ||
| return object; | ||
| } | ||
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| } | ||
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| private static class SpecialIntAnnotationFormatterFactory implements AnnotationFormatterFactory<SpecialInt> { | ||
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| private final Set<Class<?>> fieldTypes = new HashSet<Class<?>>(1); | ||
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| public SpecialIntAnnotationFormatterFactory() { | ||
| fieldTypes.add(Integer.class); | ||
| } | ||
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| public Set<Class<?>> getFieldTypes() { | ||
| return fieldTypes; | ||
| } | ||
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| public Printer<?> getPrinter(SpecialInt annotation, Class<?> fieldType) { | ||
| return new Printer<Integer>() { | ||
| public String print(Integer object, Locale locale) { | ||
| return ":" + object.toString(); | ||
| } | ||
| }; | ||
| } | ||
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| public Parser<?> getParser(SpecialInt annotation, Class<?> fieldType) { | ||
| return new Parser<Integer>() { | ||
| public Integer parse(String text, Locale locale) throws ParseException { | ||
| return Integer.parseInt(text.substring(1)); | ||
| } | ||
| }; | ||
| } | ||
| } | ||
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| } |