Create spring-boot-webmvc module

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/format/DateTimeFormatters.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright 2012-2020 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
+ *
+ *      https://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.boot.autoconfigure.web.format;
+
+import java.time.format.DateTimeFormatter;
+import java.time.format.ResolverStyle;
+
+import org.springframework.util.StringUtils;
+
+/**
+ * {@link DateTimeFormatter Formatters} for dates, times, and date-times.
+ *
+ * @author Andy Wilkinson
+ * @author Gaurav Pareek
+ * @since 2.3.0
+ */
+public class DateTimeFormatters {
+
+	private DateTimeFormatter dateFormatter;
+
+	private String datePattern;
+
+	private DateTimeFormatter timeFormatter;
+
+	private DateTimeFormatter dateTimeFormatter;
+
+	/**
+	 * Configures the date format using the given {@code pattern}.
+	 * @param pattern the pattern for formatting dates
+	 * @return {@code this} for chained method invocation
+	 */
+	public DateTimeFormatters dateFormat(String pattern) {
+		if (isIso(pattern)) {
+			this.dateFormatter = DateTimeFormatter.ISO_LOCAL_DATE;
+			this.datePattern = "yyyy-MM-dd";
+		}
+		else {
+			this.dateFormatter = formatter(pattern);
+			this.datePattern = pattern;
+		}
+		return this;
+	}
+
+	/**
+	 * Configures the time format using the given {@code pattern}.
+	 * @param pattern the pattern for formatting times
+	 * @return {@code this} for chained method invocation
+	 */
+	public DateTimeFormatters timeFormat(String pattern) {
+		this.timeFormatter = isIso(pattern) ? DateTimeFormatter.ISO_LOCAL_TIME
+				: (isIsoOffset(pattern) ? DateTimeFormatter.ISO_OFFSET_TIME : formatter(pattern));
+		return this;
+	}
+
+	/**
+	 * Configures the date-time format using the given {@code pattern}.
+	 * @param pattern the pattern for formatting date-times
+	 * @return {@code this} for chained method invocation
+	 */
+	public DateTimeFormatters dateTimeFormat(String pattern) {
+		this.dateTimeFormatter = isIso(pattern) ? DateTimeFormatter.ISO_LOCAL_DATE_TIME
+				: (isIsoOffset(pattern) ? DateTimeFormatter.ISO_OFFSET_DATE_TIME : formatter(pattern));
+		return this;
+	}
+
+	DateTimeFormatter getDateFormatter() {
+		return this.dateFormatter;
+	}
+
+	String getDatePattern() {
+		return this.datePattern;
+	}
+
+	DateTimeFormatter getTimeFormatter() {
+		return this.timeFormatter;
+	}
+
+	DateTimeFormatter getDateTimeFormatter() {
+		return this.dateTimeFormatter;
+	}
+
+	boolean isCustomized() {
+		return this.dateFormatter != null || this.timeFormatter != null || this.dateTimeFormatter != null;
+	}
+
+	private static DateTimeFormatter formatter(String pattern) {
+		return StringUtils.hasText(pattern)
+				? DateTimeFormatter.ofPattern(pattern).withResolverStyle(ResolverStyle.SMART) : null;
+	}
+
+	private static boolean isIso(String pattern) {
+		return "iso".equalsIgnoreCase(pattern);
+	}
+
+	private static boolean isIsoOffset(String pattern) {
+		return "isooffset".equalsIgnoreCase(pattern) || "iso-offset".equalsIgnoreCase(pattern);
+	}
+
+}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/format/WebConversionService.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright 2012-2025 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
+ *
+ *      https://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.boot.autoconfigure.web.format;
+
+import java.time.format.DateTimeFormatter;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+
+import org.springframework.format.datetime.DateFormatter;
+import org.springframework.format.datetime.DateFormatterRegistrar;
+import org.springframework.format.datetime.standard.DateTimeFormatterRegistrar;
+import org.springframework.format.number.NumberFormatAnnotationFormatterFactory;
+import org.springframework.format.number.money.CurrencyUnitFormatter;
+import org.springframework.format.number.money.Jsr354NumberFormatAnnotationFormatterFactory;
+import org.springframework.format.number.money.MonetaryAmountFormatter;
+import org.springframework.format.support.DefaultFormattingConversionService;
+import org.springframework.util.ClassUtils;
+
+/**
+ * {@link org.springframework.format.support.FormattingConversionService} dedicated to web
+ * applications for formatting and converting values to/from the web.
+ *
+ * @author Brian Clozel
+ * @since 2.0.0
+ */
+public class WebConversionService extends DefaultFormattingConversionService {
+
+	private static final boolean JSR_354_PRESENT = ClassUtils.isPresent("javax.money.MonetaryAmount",
+			WebConversionService.class.getClassLoader());
+
+	/**
+	 * Create a new WebConversionService that configures formatters with the provided
+	 * date, time, and date-time formats, or registers the default if no custom format is
+	 * provided.
+	 * @param dateTimeFormatters the formatters to use for date, time, and date-time
+	 * formatting
+	 * @since 2.3.0
+	 */
+	public WebConversionService(DateTimeFormatters dateTimeFormatters) {
+		super(false);
+		if (dateTimeFormatters.isCustomized()) {
+			addFormatters(dateTimeFormatters);
+		}
+		else {
+			addDefaultFormatters(this);
+		}
+	}
+
+	private void addFormatters(DateTimeFormatters dateTimeFormatters) {
+		addFormatterForFieldAnnotation(new NumberFormatAnnotationFormatterFactory());
+		if (JSR_354_PRESENT) {
+			addFormatter(new CurrencyUnitFormatter());
+			addFormatter(new MonetaryAmountFormatter());
+			addFormatterForFieldAnnotation(new Jsr354NumberFormatAnnotationFormatterFactory());
+		}
+		registerJsr310(dateTimeFormatters);
+		registerJavaDate(dateTimeFormatters);
+	}
+
+	private void registerJsr310(DateTimeFormatters dateTimeFormatters) {
+		DateTimeFormatterRegistrar dateTime = new DateTimeFormatterRegistrar();
+		configure(dateTimeFormatters::getDateFormatter, dateTime::setDateFormatter);
+		configure(dateTimeFormatters::getTimeFormatter, dateTime::setTimeFormatter);
+		configure(dateTimeFormatters::getDateTimeFormatter, dateTime::setDateTimeFormatter);
+		dateTime.registerFormatters(this);
+	}
+
+	private void configure(Supplier<DateTimeFormatter> supplier, Consumer<DateTimeFormatter> consumer) {
+		DateTimeFormatter formatter = supplier.get();
+		if (formatter != null) {
+			consumer.accept(formatter);
+		}
+	}
+
+	private void registerJavaDate(DateTimeFormatters dateTimeFormatters) {
+		DateFormatterRegistrar dateFormatterRegistrar = new DateFormatterRegistrar();
+		String datePattern = dateTimeFormatters.getDatePattern();
+		if (datePattern != null) {
+			DateFormatter dateFormatter = new DateFormatter(datePattern);
+			dateFormatterRegistrar.setFormatter(dateFormatter);
+		}
+		dateFormatterRegistrar.registerFormatters(this);
+	}
+
+}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/format/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-2019 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
+ *
+ *      https://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.
+ */
+
+/**
+ * Support classes for web-specific formatting.
+ */
+package org.springframework.boot.autoconfigure.web.format;