1380

Committed 15 May 2025 08:59PM CUT coverage: 90.242%. Remained the same

Build # 1380

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github

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web-flow

Commit Message

Merge pull request #1094 from mybatis/renovate/spring-core

fix(deps): update spring core to v6.2.7

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/src/main/java/org/mybatis/spring/mapper/MapperScannerConfigurer.java

/*
 * Copyright 2010-2024 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.mybatis.spring.mapper;

import static org.springframework.util.Assert.notNull;

import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.regex.Pattern;

import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.PropertyValues;
import org.springframework.beans.factory.BeanNameAware;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.config.PropertyResourceConfigurer;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;
import org.springframework.beans.factory.support.BeanNameGenerator;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.core.env.Environment;
import org.springframework.core.type.filter.AnnotationTypeFilter;
import org.springframework.core.type.filter.AspectJTypeFilter;
import org.springframework.core.type.filter.AssignableTypeFilter;
import org.springframework.core.type.filter.RegexPatternTypeFilter;
import org.springframework.core.type.filter.TypeFilter;
import org.springframework.lang.Nullable;
import org.springframework.util.ClassUtils;
import org.springframework.util.StringUtils;

/**
 * BeanDefinitionRegistryPostProcessor that searches recursively starting from a base package for interfaces and
 * registers them as {@code MapperFactoryBean}. Note that only interfaces with at least one method will be registered;
 * concrete classes will be ignored.
 * <p>
 * This class was a {code BeanFactoryPostProcessor} until 1.0.1 version. It changed to
 * {@code BeanDefinitionRegistryPostProcessor} in 1.0.2. See https://jira.springsource.org/browse/SPR-8269 for the
 * details.
 * <p>
 * The {@code basePackage} property can contain more than one package name, separated by either commas or semicolons.
 * <p>
 * This class supports filtering the mappers created by either specifying a marker interface or an annotation. The
 * {@code annotationClass} property specifies an annotation to search for. The {@code markerInterface} property
 * specifies a parent interface to search for. If both properties are specified, mappers are added for interfaces that
 * match <em>either</em> criteria. By default, these two properties are null, so all interfaces in the given
 * {@code basePackage} are added as mappers.
 * <p>
 * This configurer enables autowire for all the beans that it creates so that they are automatically autowired with the
 * proper {@code SqlSessionFactory} or {@code SqlSessionTemplate}. If there is more than one {@code SqlSessionFactory}
 * in the application, however, autowiring cannot be used. In this case you must explicitly specify either an
 * {@code SqlSessionFactory} or an {@code SqlSessionTemplate} to use via the <em>bean name</em> properties. Bean names
 * are used rather than actual objects because Spring does not initialize property placeholders until after this class
 * is processed.
 * <p>
 * Passing in an actual object which may require placeholders (i.e. DB user password) will fail. Using bean names defers
 * actual object creation until later in the startup process, after all placeholder substitution is completed. However,
 * note that this configurer does support property placeholders of its <em>own</em> properties. The
 * <code>basePackage</code> and bean name properties all support <code>${property}</code> style substitution.
 * <p>
 * Configuration sample:
 *
 * <pre class="code">
 * {@code
 *   <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
 *       <property name="basePackage" value="org.mybatis.spring.sample.mapper" />
 *       <!-- optional unless there are multiple session factories defined -->
 *       <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
 *   </bean>
 * }
 * </pre>
 *
 * @author Hunter Presnall
 * @author Eduardo Macarron
 *
 * @see MapperFactoryBean
 * @see ClassPathMapperScanner
 */
public class MapperScannerConfigurer
    implements BeanDefinitionRegistryPostProcessor, InitializingBean, ApplicationContextAware, BeanNameAware {

  private String basePackage;

  private boolean addToConfig = true;

  private String lazyInitialization;

  private SqlSessionFactory sqlSessionFactory;

  private SqlSessionTemplate sqlSessionTemplate;

  private String sqlSessionFactoryBeanName;

  private String sqlSessionTemplateBeanName;

  private Class<? extends Annotation> annotationClass;

  private Class<?> markerInterface;

  private List<TypeFilter> excludeFilters;

  private List<Map<String, String>> rawExcludeFilters;

  private Class<? extends MapperFactoryBean> mapperFactoryBeanClass;

  private ApplicationContext applicationContext;

  private String beanName;

  private boolean processPropertyPlaceHolders;

  private BeanNameGenerator nameGenerator;

  private String defaultScope;

  /**
   * This property lets you set the base package for your mapper interface files.
   * <p>
   * You can set more than one package by using a semicolon or comma as a separator.
   * <p>
   * Mappers will be searched for recursively starting in the specified package(s).
   *
   * @param basePackage
   *          base package name
   */
  public void setBasePackage(String basePackage) {
    this.basePackage = basePackage;
  }

  /**
   * Same as {@code MapperFactoryBean#setAddToConfig(boolean)}.
   *
   * @param addToConfig
   *          a flag that whether add mapper to MyBatis or not
   *
   * @see MapperFactoryBean#setAddToConfig(boolean)
   */
  public void setAddToConfig(boolean addToConfig) {
    this.addToConfig = addToConfig;
  }

  /**
   * Set whether enable lazy initialization for mapper bean.
   * <p>
   * Default is {@code false}.
   * </p>
   *
   * @param lazyInitialization
   *          Set the @{code true} to enable
   *
   * @since 2.0.2
   */
  public void setLazyInitialization(String lazyInitialization) {
    this.lazyInitialization = lazyInitialization;
  }

  /**
   * This property specifies the annotation that the scanner will search for.
   * <p>
   * The scanner will register all interfaces in the base package that also have the specified annotation.
   * <p>
   * Note this can be combined with markerInterface.
   *
   * @param annotationClass
   *          annotation class
   */
  public void setAnnotationClass(Class<? extends Annotation> annotationClass) {
    this.annotationClass = annotationClass;
  }

  /**
   * This property specifies the parent that the scanner will search for.
   * <p>
   * The scanner will register all interfaces in the base package that also have the specified interface class as a
   * parent.
   * <p>
   * Note this can be combined with annotationClass.
   *
   * @param superClass
   *          parent class
   */
  public void setMarkerInterface(Class<?> superClass) {
    this.markerInterface = superClass;
  }

  /**
   * Specifies which types are not eligible for the mapper scanner.
   * <p>
   * The scanner will exclude types that define with excludeFilters.
   *
   * @since 3.0.4
   *
   * @param excludeFilters
   *          list of TypeFilter
   */
  public void setExcludeFilters(List<TypeFilter> excludeFilters) {
    this.excludeFilters = excludeFilters;
  }

  /**
   * In order to support process PropertyPlaceHolders.
   * <p>
   * After parsed, it will be added to excludeFilters.
   *
   * @since 3.0.4
   *
   * @param rawExcludeFilters
   *          list of rawExcludeFilter
   */
  public void setRawExcludeFilters(List<Map<String, String>> rawExcludeFilters) {
    this.rawExcludeFilters = rawExcludeFilters;
  }

  /**
   * Specifies which {@code SqlSessionTemplate} to use in the case that there is more than one in the spring context.
   * Usually this is only needed when you have more than one datasource.
   * <p>
   *
   * @deprecated Use {@link #setSqlSessionTemplateBeanName(String)} instead
   *
   * @param sqlSessionTemplate
   *          a template of SqlSession
   */
  @Deprecated
  public void setSqlSessionTemplate(SqlSessionTemplate sqlSessionTemplate) {
    this.sqlSessionTemplate = sqlSessionTemplate;
  }

  /**
   * Specifies which {@code SqlSessionTemplate} to use in the case that there is more than one in the spring context.
   * Usually this is only needed when you have more than one datasource.
   * <p>
   * Note bean names are used, not bean references. This is because the scanner loads early during the start process and
   * it is too early to build mybatis object instances.
   *
   * @since 1.1.0
   *
   * @param sqlSessionTemplateName
   *          Bean name of the {@code SqlSessionTemplate}
   */
  public void setSqlSessionTemplateBeanName(String sqlSessionTemplateName) {
    this.sqlSessionTemplateBeanName = sqlSessionTemplateName;
  }

  /**
   * Specifies which {@code SqlSessionFactory} to use in the case that there is more than one in the spring context.
   * Usually this is only needed when you have more than one datasource.
   * <p>
   *
   * @deprecated Use {@link #setSqlSessionFactoryBeanName(String)} instead.
   *
   * @param sqlSessionFactory
   *          a factory of SqlSession
   */
  @Deprecated
  public void setSqlSessionFactory(SqlSessionFactory sqlSessionFactory) {
    this.sqlSessionFactory = sqlSessionFactory;
  }

  /**
   * Specifies which {@code SqlSessionFactory} to use in the case that there is more than one in the spring context.
   * Usually this is only needed when you have more than one datasource.
   * <p>
   * Note bean names are used, not bean references. This is because the scanner loads early during the start process and
   * it is too early to build mybatis object instances.
   *
   * @since 1.1.0
   *
   * @param sqlSessionFactoryName
   *          Bean name of the {@code SqlSessionFactory}
   */
  public void setSqlSessionFactoryBeanName(String sqlSessionFactoryName) {
    this.sqlSessionFactoryBeanName = sqlSessionFactoryName;
  }

  /**
   * Specifies a flag that whether execute a property placeholder processing or not.
   * <p>
   * The default is {@literal false}. This means that a property placeholder processing does not execute.
   *
   * @since 1.1.1
   *
   * @param processPropertyPlaceHolders
   *          a flag that whether execute a property placeholder processing or not
   */
  public void setProcessPropertyPlaceHolders(boolean processPropertyPlaceHolders) {
    this.processPropertyPlaceHolders = processPropertyPlaceHolders;
  }

  /**
   * The class of the {@link MapperFactoryBean} to return a mybatis proxy as spring bean.
   *
   * @param mapperFactoryBeanClass
   *          The class of the MapperFactoryBean
   *
   * @since 2.0.1
   */
  public void setMapperFactoryBeanClass(Class<? extends MapperFactoryBean> mapperFactoryBeanClass) {
    this.mapperFactoryBeanClass = mapperFactoryBeanClass;
  }

  @Override
  public void setApplicationContext(ApplicationContext applicationContext) {
    this.applicationContext = applicationContext;
  }

  @Override
  public void setBeanName(String name) {
    this.beanName = name;
  }

  /**
   * Gets beanNameGenerator to be used while running the scanner.
   *
   * @return the beanNameGenerator BeanNameGenerator that has been configured
   *
   * @since 1.2.0
   */
  public BeanNameGenerator getNameGenerator() {
    return nameGenerator;
  }

  /**
   * Sets beanNameGenerator to be used while running the scanner.
   *
   * @param nameGenerator
   *          the beanNameGenerator to set
   *
   * @since 1.2.0
   */
  public void setNameGenerator(BeanNameGenerator nameGenerator) {
    this.nameGenerator = nameGenerator;
  }

  /**
   * Sets the default scope of scanned mappers.
   * <p>
   * Default is {@code null} (equiv to singleton).
   * </p>
   *
   * @param defaultScope
   *          the default scope
   *
   * @since 2.0.6
   */
  public void setDefaultScope(String defaultScope) {
    this.defaultScope = defaultScope;
  }

  @Override
  public void afterPropertiesSet() throws Exception {
    notNull(this.basePackage, "Property 'basePackage' is required");
  }

  @Override
  public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) {
    // left intentionally blank
  }

  @Override
  public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) {
    if (this.processPropertyPlaceHolders) {
      processPropertyPlaceHolders();
    }

    var scanner = new ClassPathMapperScanner(registry, getEnvironment());
    scanner.setAddToConfig(this.addToConfig);
    scanner.setAnnotationClass(this.annotationClass);
    scanner.setMarkerInterface(this.markerInterface);
    scanner.setExcludeFilters(this.excludeFilters = mergeExcludeFilters());
    scanner.setSqlSessionFactory(this.sqlSessionFactory);
    scanner.setSqlSessionTemplate(this.sqlSessionTemplate);
    scanner.setSqlSessionFactoryBeanName(this.sqlSessionFactoryBeanName);
    scanner.setSqlSessionTemplateBeanName(this.sqlSessionTemplateBeanName);
    scanner.setResourceLoader(this.applicationContext);
    scanner.setBeanNameGenerator(this.nameGenerator);
    scanner.setMapperFactoryBeanClass(this.mapperFactoryBeanClass);
    if (StringUtils.hasText(lazyInitialization)) {
      scanner.setLazyInitialization(Boolean.parseBoolean(lazyInitialization));
    }
    if (StringUtils.hasText(defaultScope)) {
      scanner.setDefaultScope(defaultScope);
    }
    scanner.registerFilters();
    scanner.scan(
        StringUtils.tokenizeToStringArray(this.basePackage, ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS));
  }

  /*
   * BeanDefinitionRegistries are called early in application startup, before BeanFactoryPostProcessors. This means that
   * PropertyResourceConfigurers will not have been loaded and any property substitution of this class' properties will
   * fail. To avoid this, find any PropertyResourceConfigurers defined in the context and run them on this class' bean
   * definition. Then update the values.
   */
  private void processPropertyPlaceHolders() {
    Map<String, PropertyResourceConfigurer> prcs = applicationContext.getBeansOfType(PropertyResourceConfigurer.class,
        false, false);

    if (!prcs.isEmpty() && applicationContext instanceof ConfigurableApplicationContext) {
      var mapperScannerBean = ((ConfigurableApplicationContext) applicationContext).getBeanFactory()
          .getBeanDefinition(beanName);

      // PropertyResourceConfigurer does not expose any methods to explicitly perform
      // property placeholder substitution. Instead, create a BeanFactory that just
      // contains this mapper scanner and post process the factory.
      var factory = new DefaultListableBeanFactory();
      factory.registerBeanDefinition(beanName, mapperScannerBean);

      for (PropertyResourceConfigurer prc : prcs.values()) {
        prc.postProcessBeanFactory(factory);
      }

      PropertyValues values = mapperScannerBean.getPropertyValues();

      this.basePackage = getPropertyValue("basePackage", values);
      this.sqlSessionFactoryBeanName = getPropertyValue("sqlSessionFactoryBeanName", values);
      this.sqlSessionTemplateBeanName = getPropertyValue("sqlSessionTemplateBeanName", values);
      this.lazyInitialization = getPropertyValue("lazyInitialization", values);
      this.defaultScope = getPropertyValue("defaultScope", values);
      this.rawExcludeFilters = getPropertyValueForTypeFilter("rawExcludeFilters", values);
    }
    this.basePackage = Optional.ofNullable(this.basePackage).map(getEnvironment()::resolvePlaceholders).orElse(null);
    this.sqlSessionFactoryBeanName = Optional.ofNullable(this.sqlSessionFactoryBeanName)
        .map(getEnvironment()::resolvePlaceholders).orElse(null);
    this.sqlSessionTemplateBeanName = Optional.ofNullable(this.sqlSessionTemplateBeanName)
        .map(getEnvironment()::resolvePlaceholders).orElse(null);
    this.lazyInitialization = Optional.ofNullable(this.lazyInitialization).map(getEnvironment()::resolvePlaceholders)
        .orElse(null);
    this.defaultScope = Optional.ofNullable(this.defaultScope).map(getEnvironment()::resolvePlaceholders).orElse(null);
  }

  private Environment getEnvironment() {
    return this.applicationContext.getEnvironment();
  }

  private String getPropertyValue(String propertyName, PropertyValues values) {
    var property = values.getPropertyValue(propertyName);

    if (property == null) {
      return null;
    }

    var value = property.getValue();

    if (value == null) {
      return null;
    }
    if (value instanceof String) {
      return value.toString();
    }
    if (value instanceof TypedStringValue) {
      return ((TypedStringValue) value).getValue();
    }
    return null;
  }

  @SuppressWarnings("unchecked")
  private List<Map<String, String>> getPropertyValueForTypeFilter(String propertyName, PropertyValues values) {
    var property = values.getPropertyValue(propertyName);
    Object value;
    if (property == null || (value = property.getValue()) == null || !(value instanceof List<?>)) {
      return null;
    }
    return (List<Map<String, String>>) value;
  }

  private List<TypeFilter> mergeExcludeFilters() {
    List<TypeFilter> typeFilters = new ArrayList<>();
    if (this.rawExcludeFilters == null || this.rawExcludeFilters.isEmpty()) {
      return this.excludeFilters;
    }
    if (this.excludeFilters != null && !this.excludeFilters.isEmpty()) {
      typeFilters.addAll(this.excludeFilters);
    }
    try {
      for (Map<String, String> typeFilter : this.rawExcludeFilters) {
        typeFilters.add(
            createTypeFilter(typeFilter.get("type"), typeFilter.get("expression"), this.getClass().getClassLoader()));
      }
    } catch (ClassNotFoundException exception) {
      throw new RuntimeException("ClassNotFoundException occur when to load the Specified excludeFilter classes.",
          exception);
    }
    return typeFilters;
  }

  @SuppressWarnings("unchecked")
  private TypeFilter createTypeFilter(String filterType, String expression, @Nullable ClassLoader classLoader)
      throws ClassNotFoundException {

    if (this.processPropertyPlaceHolders) {
      expression = this.getEnvironment().resolvePlaceholders(expression);
    }

    switch (filterType) {
      case "annotation":
        Class<?> filterAnno = ClassUtils.forName(expression, classLoader);
        if (!Annotation.class.isAssignableFrom(filterAnno)) {
          throw new IllegalArgumentException(
              "Class is not assignable to [" + Annotation.class.getName() + "]: " + expression);
        }
        return new AnnotationTypeFilter((Class<Annotation>) filterAnno);
      case "custom":
        Class<?> filterClass = ClassUtils.forName(expression, classLoader);
        if (!TypeFilter.class.isAssignableFrom(filterClass)) {
          throw new IllegalArgumentException(
              "Class is not assignable to [" + TypeFilter.class.getName() + "]: " + expression);
        }
        return (TypeFilter) BeanUtils.instantiateClass(filterClass);
      case "assignable":
        return new AssignableTypeFilter(ClassUtils.forName(expression, classLoader));
      case "regex":
        return new RegexPatternTypeFilter(Pattern.compile(expression));
      case "aspectj":
        return new AspectJTypeFilter(expression, classLoader);
      default:
        throw new IllegalArgumentException("Unsupported filter type: " + filterType);
    }
  }

}

mybatis / spring / 1380

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