Rossen Stoyanchev
14 years ago
7 changed files with 426 additions and 46 deletions
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/* |
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* Copyright 2002-2011 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.web.servlet.config; |
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import static org.junit.Assert.assertEquals; |
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import static org.junit.Assert.assertNotNull; |
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import static org.junit.Assert.assertTrue; |
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import java.lang.annotation.ElementType; |
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import java.lang.annotation.Retention; |
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import java.lang.annotation.RetentionPolicy; |
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import java.lang.annotation.Target; |
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import java.text.ParseException; |
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import java.util.HashSet; |
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import java.util.Locale; |
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import java.util.Set; |
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import org.junit.BeforeClass; |
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import org.junit.Test; |
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import org.springframework.beans.DirectFieldAccessor; |
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import org.springframework.beans.factory.xml.XmlBeanDefinitionReader; |
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import org.springframework.core.MethodParameter; |
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import org.springframework.core.convert.TypeDescriptor; |
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import org.springframework.core.io.ClassPathResource; |
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import org.springframework.format.AnnotationFormatterFactory; |
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import org.springframework.format.Formatter; |
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import org.springframework.format.Parser; |
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import org.springframework.format.Printer; |
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import org.springframework.format.support.FormattingConversionService; |
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import org.springframework.http.converter.HttpMessageConverter; |
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import org.springframework.http.converter.ResourceHttpMessageConverter; |
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import org.springframework.http.converter.StringHttpMessageConverter; |
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import org.springframework.validation.MessageCodesResolver; |
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import org.springframework.web.bind.support.ConfigurableWebBindingInitializer; |
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import org.springframework.web.bind.support.WebArgumentResolver; |
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import org.springframework.web.context.request.NativeWebRequest; |
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import org.springframework.web.context.support.GenericWebApplicationContext; |
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import org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter; |
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import org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerExceptionResolver; |
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/** |
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* Test fixture for the configuration in mvc-config-annotation-driven.xml. |
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* @author Rossen Stoyanchev |
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*/ |
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public class AnnotationDrivenBeanDefinitionParserTests { |
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private static GenericWebApplicationContext appContext; |
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@BeforeClass |
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public static void setup() { |
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appContext = new GenericWebApplicationContext(); |
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XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(appContext); |
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reader.loadBeanDefinitions(new ClassPathResource("mvc-config-annotation-driven.xml", |
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AnnotationDrivenBeanDefinitionParserTests.class)); |
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appContext.refresh(); |
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} |
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@Test |
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public void testMessageCodesResolver() { |
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AnnotationMethodHandlerAdapter adapter = appContext.getBean(AnnotationMethodHandlerAdapter.class); |
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assertNotNull(adapter); |
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Object initializer = new DirectFieldAccessor(adapter).getPropertyValue("webBindingInitializer"); |
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assertNotNull(initializer); |
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MessageCodesResolver resolver = ((ConfigurableWebBindingInitializer) initializer).getMessageCodesResolver(); |
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assertNotNull(resolver); |
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assertEquals(TestMessageCodesResolver.class, resolver.getClass()); |
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} |
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@Test |
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public void testMessageConverters() { |
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verifyMessageConverters(appContext.getBean(AnnotationMethodHandlerAdapter.class)); |
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verifyMessageConverters(appContext.getBean(AnnotationMethodHandlerExceptionResolver.class)); |
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} |
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@Test |
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public void testFormatters() throws Exception { |
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FormattingConversionService conversionService = appContext.getBean(FormattingConversionService.class); |
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assertNotNull(conversionService); |
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TestBean testBean = conversionService.convert("5", TestBean.class); |
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assertEquals(TestBeanFormatter.class.getSimpleName() + " should have been used.", 5, testBean.getField()); |
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assertEquals("5", conversionService.convert(testBean, String.class)); |
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TypeDescriptor intTypeDescriptor = new TypeDescriptor(TestBean.class.getDeclaredField("anotherField")); |
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Object actual = conversionService.convert(">>5<<", TypeDescriptor.valueOf(String.class), intTypeDescriptor); |
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assertEquals(TestBeanAnnotationFormatterFactory.class.getSimpleName() + " should have been used", 5, actual); |
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actual = conversionService.convert(5, intTypeDescriptor, TypeDescriptor.valueOf(String.class)); |
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assertEquals(">>5<<", actual); |
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} |
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private void verifyMessageConverters(Object bean) { |
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assertNotNull(bean); |
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Object converters = new DirectFieldAccessor(bean).getPropertyValue("messageConverters"); |
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assertNotNull(converters); |
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assertTrue(converters instanceof HttpMessageConverter<?>[]); |
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assertEquals(2, ((HttpMessageConverter<?>[]) converters).length); |
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assertTrue(((HttpMessageConverter<?>[]) converters)[0] instanceof StringHttpMessageConverter); |
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assertTrue(((HttpMessageConverter<?>[]) converters)[1] instanceof ResourceHttpMessageConverter); |
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} |
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private static class TestMessageCodesResolver implements MessageCodesResolver { |
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public String[] resolveMessageCodes(String errorCode, String objectName) { |
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throw new IllegalStateException("Not expected to be invoked"); |
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} |
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@SuppressWarnings("rawtypes") |
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public String[] resolveMessageCodes(String errorCode, String objectName, String field, Class fieldType) { |
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throw new IllegalStateException("Not expected to be invoked"); |
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} |
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} |
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@SuppressWarnings("unused") |
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private static class TestWebArgumentResolver implements WebArgumentResolver { |
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public Object resolveArgument(MethodParameter methodParameter, NativeWebRequest webRequest) throws Exception { |
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throw new IllegalStateException("Not expected to be invoked"); |
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} |
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} |
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@SuppressWarnings("unused") |
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private static class AnotherTestWebArgumentResolver implements WebArgumentResolver { |
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public Object resolveArgument(MethodParameter methodParameter, NativeWebRequest webRequest) throws Exception { |
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throw new IllegalStateException("Not expected to be invoked"); |
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} |
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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) { |
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return String.valueOf(object.getField()); |
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} |
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public TestBean parse(String text, Locale locale) throws ParseException { |
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TestBean object = new TestBean(); |
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object.setField(Integer.parseInt(text)); |
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return object; |
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} |
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} |
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private static class TestBeanAnnotationFormatterFactory implements AnnotationFormatterFactory<SpecialIntFormat> { |
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private final Set<Class<?>> fieldTypes = new HashSet<Class<?>>(1); |
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@SuppressWarnings("unused") |
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public TestBeanAnnotationFormatterFactory() { |
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fieldTypes.add(Integer.class); |
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} |
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public Set<Class<?>> getFieldTypes() { |
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return fieldTypes; |
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} |
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public Printer<?> getPrinter(SpecialIntFormat annotation, Class<?> fieldType) { |
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return new Printer<Integer>() { |
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public String print(Integer object, Locale locale) { |
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return ">>" + object.toString() + "<<"; |
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} |
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}; |
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} |
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public Parser<?> getParser(SpecialIntFormat annotation, Class<?> fieldType) { |
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return new Parser<Integer>() { |
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public Integer parse(String text, Locale locale) throws ParseException { |
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if (!text.startsWith(">>") || !text.endsWith("<<") || (text.length() < 5)) { |
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throw new ParseException(text + " is not in the expected format '>>intValue<<'", 0); |
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} |
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return Integer.parseInt(text.substring(2,3)); |
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} |
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}; |
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} |
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} |
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private static class TestBean { |
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private int field; |
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@SpecialIntFormat |
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private int anotherField; |
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public int getField() { |
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return field; |
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} |
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public void setField(int field) { |
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this.field = field; |
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} |
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@SuppressWarnings("unused") |
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public int getAnotherField() { |
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return anotherField; |
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} |
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@SuppressWarnings("unused") |
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public void setAnotherField(int anotherField) { |
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this.anotherField = anotherField; |
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} |
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} |
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@Target({ ElementType.METHOD, ElementType.FIELD, ElementType.PARAMETER }) |
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@Retention(RetentionPolicy.RUNTIME) |
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private @interface SpecialIntFormat { |
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} |
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} |
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@ -0,0 +1,22 @@
@@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="UTF-8"?> |
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<beans xmlns="http://www.springframework.org/schema/beans" |
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xmlns:mvc="http://www.springframework.org/schema/mvc" |
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" |
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd |
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http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd"> |
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<mvc:annotation-driven message-codes-resolver="messageCodesResolver"> |
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<mvc:message-converters> |
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<bean class="org.springframework.http.converter.StringHttpMessageConverter"/> |
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<bean class="org.springframework.http.converter.ResourceHttpMessageConverter"/> |
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</mvc:message-converters> |
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<mvc:formatters> |
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<bean class="org.springframework.web.servlet.config.AnnotationDrivenBeanDefinitionParserTests$TestBeanFormatter"/> |
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<bean class="org.springframework.web.servlet.config.AnnotationDrivenBeanDefinitionParserTests$TestBeanAnnotationFormatterFactory"/> |
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</mvc:formatters> |
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</mvc:annotation-driven> |
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<bean id="messageCodesResolver" |
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class="org.springframework.web.servlet.config.AnnotationDrivenBeanDefinitionParserTests$TestMessageCodesResolver"/> |
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</beans> |
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