├── .gitignore ├── LICENSE ├── README.md ├── build.gradle ├── doc └── img │ └── apolloconfig.png ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle └── src ├── main ├── java │ └── com │ │ └── github │ │ └── selfancy │ │ └── apollo │ │ ├── DynamicProperties.java │ │ ├── DynamicPropertiesBeanAutoConfiguration.java │ │ ├── DynamicPropertiesBeanBinder.java │ │ ├── DynamicPropertiesChangeBinderListener.java │ │ └── DynamicPropertiesConfigBeanPostProcessor.java └── resources │ └── META-INF │ └── spring.factories └── test └── java └── com └── github └── selfancy └── sample └── SampleApplication.java /.gitignore: -------------------------------------------------------------------------------- 1 | .idea 2 | *.iml 3 | .gradle 4 | .settings 5 | .classpath 6 | .project 7 | */.DS_Store 8 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [2021] [selfancy] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## Introduce 2 | > Support for apollo-client to dynamic auto refresh `@ConfigurationProperties` bean. 3 | > 4 | > See about: [Apollo](https://github.com/ctripcorp/apollo) 5 | 6 | ## QuickStart 7 | 8 | #### 1. Import dependency 9 | Maven: 10 | ```xml 11 | 12 | com.github.selfancy 13 | apollo-client-refresh-configbean 14 | ${RELEASE_VERSION} 15 | 16 | ``` 17 | Gradle: 18 | ```groovy 19 | implementation "com.github.selfancy:apollo-client-refresh-configbean:${RELEASE_VERSION}" 20 | ``` 21 | #### 2. Annotated at SpringBoot ConfigurationProperties Bean 22 | 23 | Both required annotation `@DynamicProperties` and `@ConfigurationProperties`. 24 | 25 | Sample: 26 | ```java 27 | @Data 28 | @DynamicProperties 29 | @ConfigurationProperties("sample") 30 | public class SampleProperties { 31 | 32 | private int timeout; 33 | } 34 | ``` 35 | ![](doc/img/apolloconfig.png) 36 | 37 | ## ChangeList 38 | - 1.0.1.RELEASE (2024-02-06) 39 | - Support springboot 2.4.0+ 40 | - Add enableProperty to change Dynamic status. see: [DynamicProperties.java](src/main/java/com/github/selfancy/apollo/DynamicProperties.java) 41 | 42 | - 1.0.0.RELEASE (2021-03-30) 43 | - Init 44 | 45 | ## License 46 | [http://www.apache.org/licenses/LICENSE-2.0](http://www.apache.org/licenses/LICENSE-2.0) -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext { 3 | springBootVersion = '2.4.0' 4 | apolloClientVersion = '2.2.0' 5 | lombokVersion = '1.18.30' 6 | } 7 | repositories { 8 | mavenLocal() 9 | mavenCentral() 10 | } 11 | dependencies { 12 | classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}") 13 | } 14 | } 15 | 16 | group 'com.github.selfancy' 17 | version '1.0.1-RELEASE' 18 | 19 | apply plugin: 'java' 20 | apply plugin: 'org.springframework.boot' 21 | apply plugin: 'io.spring.dependency-management' 22 | 23 | repositories { 24 | mavenLocal() 25 | mavenCentral() 26 | } 27 | 28 | dependencies { 29 | implementation 'org.springframework.boot:spring-boot-autoconfigure' 30 | implementation "com.ctrip.framework.apollo:apollo-client:${apolloClientVersion}" 31 | testImplementation 'org.springframework.boot:spring-boot-starter' 32 | compileOnly "org.projectlombok:lombok:${lombokVersion}" 33 | testCompileOnly "org.projectlombok:lombok:${lombokVersion}" 34 | annotationProcessor "org.projectlombok:lombok:${lombokVersion}" 35 | testAnnotationProcessor "org.projectlombok:lombok:${lombokVersion}" 36 | } 37 | 38 | bootJar.enabled = false 39 | jar.enabled = true 40 | 41 | def file = new File(System.getProperty("user.home") + "/code/publish/publish.gradle") 42 | if (file.exists()) { 43 | apply from: file.absolutePath 44 | } -------------------------------------------------------------------------------- /doc/img/apolloconfig.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/selfancy/apollo-client-refresh-configbean/24e669967b774aadc849bce055370104abd472b4/doc/img/apolloconfig.png -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/selfancy/apollo-client-refresh-configbean/24e669967b774aadc849bce055370104abd472b4/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://mirrors.cloud.tencent.com/gradle/gradle-7.6-bin.zip 4 | networkTimeout=10000 5 | zipStoreBase=GRADLE_USER_HOME 6 | zipStorePath=wrapper/dists 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # 4 | # Copyright © 2015-2021 the original authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | # 21 | # Gradle start up script for POSIX generated by Gradle. 22 | # 23 | # Important for running: 24 | # 25 | # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is 26 | # noncompliant, but you have some other compliant shell such as ksh or 27 | # bash, then to run this script, type that shell name before the whole 28 | # command line, like: 29 | # 30 | # ksh Gradle 31 | # 32 | # Busybox and similar reduced shells will NOT work, because this script 33 | # requires all of these POSIX shell features: 34 | # * functions; 35 | # * expansions «$var», «${var}», «${var:-default}», «${var+SET}», 36 | # «${var#prefix}», «${var%suffix}», and «$( cmd )»; 37 | # * compound commands having a testable exit status, especially «case»; 38 | # * various built-in commands including «command», «set», and «ulimit». 39 | # 40 | # Important for patching: 41 | # 42 | # (2) This script targets any POSIX shell, so it avoids extensions provided 43 | # by Bash, Ksh, etc; in particular arrays are avoided. 44 | # 45 | # The "traditional" practice of packing multiple parameters into a 46 | # space-separated string is a well documented source of bugs and security 47 | # problems, so this is (mostly) avoided, by progressively accumulating 48 | # options in "$@", and eventually passing that to Java. 49 | # 50 | # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, 51 | # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; 52 | # see the in-line comments for details. 53 | # 54 | # There are tweaks for specific operating systems such as AIX, CygWin, 55 | # Darwin, MinGW, and NonStop. 56 | # 57 | # (3) This script is generated from the Groovy template 58 | # https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt 59 | # within the Gradle project. 60 | # 61 | # You can find Gradle at https://github.com/gradle/gradle/. 62 | # 63 | ############################################################################## 64 | 65 | # Attempt to set APP_HOME 66 | 67 | # Resolve links: $0 may be a link 68 | app_path=$0 69 | 70 | # Need this for daisy-chained symlinks. 71 | while 72 | APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path 73 | [ -h "$app_path" ] 74 | do 75 | ls=$( ls -ld "$app_path" ) 76 | link=${ls#*' -> '} 77 | case $link in #( 78 | /*) app_path=$link ;; #( 79 | *) app_path=$APP_HOME$link ;; 80 | esac 81 | done 82 | 83 | # This is normally unused 84 | # shellcheck disable=SC2034 85 | APP_BASE_NAME=${0##*/} 86 | APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit 87 | 88 | # Use the maximum available, or set MAX_FD != -1 to use that value. 89 | MAX_FD=maximum 90 | 91 | warn () { 92 | echo "$*" 93 | } >&2 94 | 95 | die () { 96 | echo 97 | echo "$*" 98 | echo 99 | exit 1 100 | } >&2 101 | 102 | # OS specific support (must be 'true' or 'false'). 103 | cygwin=false 104 | msys=false 105 | darwin=false 106 | nonstop=false 107 | case "$( uname )" in #( 108 | CYGWIN* ) cygwin=true ;; #( 109 | Darwin* ) darwin=true ;; #( 110 | MSYS* | MINGW* ) msys=true ;; #( 111 | NONSTOP* ) nonstop=true ;; 112 | esac 113 | 114 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 115 | 116 | 117 | # Determine the Java command to use to start the JVM. 118 | if [ -n "$JAVA_HOME" ] ; then 119 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 120 | # IBM's JDK on AIX uses strange locations for the executables 121 | JAVACMD=$JAVA_HOME/jre/sh/java 122 | else 123 | JAVACMD=$JAVA_HOME/bin/java 124 | fi 125 | if [ ! -x "$JAVACMD" ] ; then 126 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 127 | 128 | Please set the JAVA_HOME variable in your environment to match the 129 | location of your Java installation." 130 | fi 131 | else 132 | JAVACMD=java 133 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 134 | 135 | Please set the JAVA_HOME variable in your environment to match the 136 | location of your Java installation." 137 | fi 138 | 139 | # Increase the maximum file descriptors if we can. 140 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then 141 | case $MAX_FD in #( 142 | max*) 143 | # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. 144 | # shellcheck disable=SC3045 145 | MAX_FD=$( ulimit -H -n ) || 146 | warn "Could not query maximum file descriptor limit" 147 | esac 148 | case $MAX_FD in #( 149 | '' | soft) :;; #( 150 | *) 151 | # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. 152 | # shellcheck disable=SC3045 153 | ulimit -n "$MAX_FD" || 154 | warn "Could not set maximum file descriptor limit to $MAX_FD" 155 | esac 156 | fi 157 | 158 | # Collect all arguments for the java command, stacking in reverse order: 159 | # * args from the command line 160 | # * the main class name 161 | # * -classpath 162 | # * -D...appname settings 163 | # * --module-path (only if needed) 164 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. 165 | 166 | # For Cygwin or MSYS, switch paths to Windows format before running java 167 | if "$cygwin" || "$msys" ; then 168 | APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) 169 | CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) 170 | 171 | JAVACMD=$( cygpath --unix "$JAVACMD" ) 172 | 173 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 174 | for arg do 175 | if 176 | case $arg in #( 177 | -*) false ;; # don't mess with options #( 178 | /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath 179 | [ -e "$t" ] ;; #( 180 | *) false ;; 181 | esac 182 | then 183 | arg=$( cygpath --path --ignore --mixed "$arg" ) 184 | fi 185 | # Roll the args list around exactly as many times as the number of 186 | # args, so each arg winds up back in the position where it started, but 187 | # possibly modified. 188 | # 189 | # NB: a `for` loop captures its iteration list before it begins, so 190 | # changing the positional parameters here affects neither the number of 191 | # iterations, nor the values presented in `arg`. 192 | shift # remove old arg 193 | set -- "$@" "$arg" # push replacement arg 194 | done 195 | fi 196 | 197 | 198 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 199 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 200 | 201 | # Collect all arguments for the java command; 202 | # * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of 203 | # shell script including quotes and variable substitutions, so put them in 204 | # double quotes to make sure that they get re-expanded; and 205 | # * put everything else in single quotes, so that it's not re-expanded. 206 | 207 | set -- \ 208 | "-Dorg.gradle.appname=$APP_BASE_NAME" \ 209 | -classpath "$CLASSPATH" \ 210 | org.gradle.wrapper.GradleWrapperMain \ 211 | "$@" 212 | 213 | # Stop when "xargs" is not available. 214 | if ! command -v xargs >/dev/null 2>&1 215 | then 216 | die "xargs is not available" 217 | fi 218 | 219 | # Use "xargs" to parse quoted args. 220 | # 221 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed. 222 | # 223 | # In Bash we could simply go: 224 | # 225 | # readarray ARGS < <( xargs -n1 <<<"$var" ) && 226 | # set -- "${ARGS[@]}" "$@" 227 | # 228 | # but POSIX shell has neither arrays nor command substitution, so instead we 229 | # post-process each arg (as a line of input to sed) to backslash-escape any 230 | # character that might be a shell metacharacter, then use eval to reverse 231 | # that process (while maintaining the separation between arguments), and wrap 232 | # the whole thing up as a single "set" statement. 233 | # 234 | # This will of course break if any of these variables contains a newline or 235 | # an unmatched quote. 236 | # 237 | 238 | eval "set -- $( 239 | printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | 240 | xargs -n1 | 241 | sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | 242 | tr '\n' ' ' 243 | )" '"$@"' 244 | 245 | exec "$JAVACMD" "$@" 246 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%"=="" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%"=="" set DIRNAME=. 29 | @rem This is normally unused 30 | set APP_BASE_NAME=%~n0 31 | set APP_HOME=%DIRNAME% 32 | 33 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 34 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 35 | 36 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 37 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 38 | 39 | @rem Find java.exe 40 | if defined JAVA_HOME goto findJavaFromJavaHome 41 | 42 | set JAVA_EXE=java.exe 43 | %JAVA_EXE% -version >NUL 2>&1 44 | if %ERRORLEVEL% equ 0 goto execute 45 | 46 | echo. 47 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 48 | echo. 49 | echo Please set the JAVA_HOME variable in your environment to match the 50 | echo location of your Java installation. 51 | 52 | goto fail 53 | 54 | :findJavaFromJavaHome 55 | set JAVA_HOME=%JAVA_HOME:"=% 56 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 57 | 58 | if exist "%JAVA_EXE%" goto execute 59 | 60 | echo. 61 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 62 | echo. 63 | echo Please set the JAVA_HOME variable in your environment to match the 64 | echo location of your Java installation. 65 | 66 | goto fail 67 | 68 | :execute 69 | @rem Setup the command line 70 | 71 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 72 | 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if %ERRORLEVEL% equ 0 goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | set EXIT_CODE=%ERRORLEVEL% 85 | if %EXIT_CODE% equ 0 set EXIT_CODE=1 86 | if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% 87 | exit /b %EXIT_CODE% 88 | 89 | :mainEnd 90 | if "%OS%"=="Windows_NT" endlocal 91 | 92 | :omega 93 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = 'apollo-client-refresh-configbean' -------------------------------------------------------------------------------- /src/main/java/com/github/selfancy/apollo/DynamicProperties.java: -------------------------------------------------------------------------------- 1 | package com.github.selfancy.apollo; 2 | 3 | import java.lang.annotation.*; 4 | 5 | /** 6 | * Dynamic properties. 7 | * Both required annotation `@DynamicProperties` and `@ConfigurationProperties`. 8 | *
9 | * Sample: 10 | * 
11 |  * 
 @Data
12 |  * 
 @DynamicProperties
13 |  * 
 @ConfigurationProperties("custom")
14 |  * 
 public class CustomProperties {
15 |  * 
     private String value;
16 |  * 
 }
17 |  *
18 | * Created by mike on 2020/8/13 since 1.0 19 | */ 20 | @Target({ ElementType.TYPE, ElementType.METHOD }) 21 | @Retention(RetentionPolicy.RUNTIME) 22 | @Documented 23 | public @interface DynamicProperties { 24 | 25 | /** 26 | * Enabled property to enable dynamic refresh 27 | *
28 | * Such as @ConfigurationProperties("sample") bean. 29 | *
30 | * enable property: sample._dynamic_enabled=true (default is true, empty property also true) 31 | *
32 | * disable property: sample._dynamic_enabled=false 33 | * 34 | * @return String 35 | * @since 1.0.1 36 | */ 37 | String enableProperty() default "_dynamic_enabled"; 38 | } 39 | -------------------------------------------------------------------------------- /src/main/java/com/github/selfancy/apollo/DynamicPropertiesBeanAutoConfiguration.java: -------------------------------------------------------------------------------- 1 | package com.github.selfancy.apollo; 2 | 3 | import org.springframework.context.annotation.Import; 4 | 5 | /** 6 | * DynamicPropertiesBeanAutoConfiguration 7 | *

8 | * Created by mike on 2020/10/27 since 1.0 9 | */ 10 | @Import({DynamicPropertiesConfigBeanPostProcessor.class, DynamicPropertiesChangeBinderListener.class}) 11 | class DynamicPropertiesBeanAutoConfiguration { 12 | } 13 | -------------------------------------------------------------------------------- /src/main/java/com/github/selfancy/apollo/DynamicPropertiesBeanBinder.java: -------------------------------------------------------------------------------- 1 | package com.github.selfancy.apollo; 2 | 3 | import lombok.SneakyThrows; 4 | import org.springframework.beans.BeanUtils; 5 | import org.springframework.boot.context.properties.ConfigurationProperties; 6 | import org.springframework.boot.context.properties.bind.BindHandler; 7 | import org.springframework.boot.context.properties.bind.BindResult; 8 | import org.springframework.boot.context.properties.bind.Bindable; 9 | import org.springframework.boot.context.properties.bind.Binder; 10 | import org.springframework.boot.context.properties.bind.handler.IgnoreTopLevelConverterNotFoundBindHandler; 11 | import org.springframework.context.ApplicationContext; 12 | import org.springframework.core.annotation.AnnotationUtils; 13 | import org.springframework.util.ClassUtils; 14 | import org.springframework.util.ReflectionUtils; 15 | 16 | import java.lang.reflect.Constructor; 17 | import java.lang.reflect.Method; 18 | import java.util.Objects; 19 | import java.util.function.Function; 20 | 21 | /** 22 | * DynamicPropertiesBeanBinder 23 | *

24 | * Created by mike on 2024/02/06 25 | */ 26 | @SuppressWarnings("all") 27 | final class DynamicPropertiesBeanBinder { 28 | 29 | private static final ClassLoader defaultClassLoader = ClassUtils.getDefaultClassLoader(); 30 | private static final String configurationBeanFactoryMetadataClassName = "org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata"; 31 | private static final String configurationPropertiesBeanClassName = "org.springframework.boot.context.properties.ConfigurationPropertiesBean"; 32 | private static final boolean configurationPropertiesBeanIsPresent = ClassUtils.isPresent(configurationPropertiesBeanClassName, defaultClassLoader); 33 | private final ApplicationContext applicationContext; 34 | private final Object bean; 35 | private final String beanName; 36 | private final ConfigurationProperties configurationProperties; 37 | private final DynamicProperties dynamicProperties; 38 | private final InnerBinder innerBinder; 39 | 40 | DynamicPropertiesBeanBinder(ApplicationContext applicationContext, Object bean, String beanName) { 41 | this.applicationContext = applicationContext; 42 | this.bean = bean; 43 | this.beanName = beanName; 44 | InnerBinder binder; 45 | if (configurationPropertiesBeanIsPresent) { 46 | binder = new ConfigurationPropertiesBeanBinder(); // support springboot 2.4.0+ 47 | } else { 48 | binder = new ConfigurationBeanFactoryMetadataBinder(); // older support 49 | } 50 | this.innerBinder = binder; 51 | this.configurationProperties = AnnotationUtils.findAnnotation(bean.getClass(), ConfigurationProperties.class); 52 | this.dynamicProperties = AnnotationUtils.findAnnotation(bean.getClass(), DynamicProperties.class); 53 | } 54 | 55 | public String getPrefix() { 56 | return configurationProperties != null ? configurationProperties.prefix() : null; 57 | } 58 | 59 | public Bindable getBindTarget() { 60 | return innerBinder.getBindTarget(); 61 | } 62 | 63 | public boolean isEnabledDynamicChange() { 64 | String prefix = getPrefix(); 65 | if (prefix != null && dynamicProperties != null) { 66 | Boolean enableDynamic = applicationContext.getEnvironment().getProperty( 67 | prefix + "." + dynamicProperties.enableProperty(), Boolean.class, Boolean.TRUE); 68 | return enableDynamic == Boolean.TRUE; 69 | } 70 | return Boolean.FALSE; 71 | } 72 | 73 | public BindResult bind(Binder binder, String configPrefix) { 74 | if (innerBinder instanceof ConfigurationPropertiesBeanBinder) { 75 | return ((ConfigurationPropertiesBeanBinder) innerBinder).bind(); 76 | } else { 77 | BindHandler handler = new IgnoreTopLevelConverterNotFoundBindHandler(); 78 | return binder.bind(configPrefix, getBindTarget(), handler); 79 | } 80 | } 81 | 82 | public boolean isDynamicPropertiesBean() { 83 | return configurationProperties != null && innerBinder.isDynamicPropertiesBean(); 84 | } 85 | 86 | public Object getBean() { 87 | return bean; 88 | } 89 | 90 | private abstract class InnerBinder { 91 | 92 | abstract Bindable getBindTarget(); 93 | 94 | boolean isDynamicPropertiesBean() { 95 | return dynamicProperties != null; 96 | } 97 | } 98 | 99 | /** 100 | * @see org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata 101 | */ 102 | private class ConfigurationBeanFactoryMetadataBinder extends InnerBinder { 103 | 104 | @Override 105 | public Bindable getBindTarget() { 106 | return Bindable.ofInstance(bean); 107 | } 108 | 109 | @Override 110 | @SneakyThrows 111 | public boolean isDynamicPropertiesBean() { 112 | Class configurationBeanFactoryMetadataClass = ClassUtils.forName(configurationBeanFactoryMetadataClassName, defaultClassLoader); 113 | Object configurationBeanFactoryMetadata = applicationContext.getBean(configurationBeanFactoryMetadataClassName, configurationBeanFactoryMetadataClass); 114 | ConfigurationProperties configurationProperties = (ConfigurationProperties) invokeMethod(configurationBeanFactoryMetadata, 115 | "findFactoryAnnotation", beanName, ConfigurationProperties.class); 116 | if (configurationProperties == null) { 117 | configurationProperties = DynamicPropertiesBeanBinder.this.configurationProperties; 118 | } 119 | return configurationProperties != null && super.isDynamicPropertiesBean(); 120 | } 121 | } 122 | 123 | /** 124 | * @see org.springframework.boot.context.properties.ConfigurationPropertiesBean 125 | */ 126 | private class ConfigurationPropertiesBeanBinder extends InnerBinder { 127 | 128 | private final Class configurationPropertiesBeanClass; 129 | private final Function> bindFunction; 130 | 131 | @SneakyThrows 132 | public ConfigurationPropertiesBeanBinder() { 133 | this.configurationPropertiesBeanClass = ClassUtils.forName(configurationPropertiesBeanClassName, defaultClassLoader); 134 | Class binderClass = ClassUtils.forName("org.springframework.boot.context.properties.ConfigurationPropertiesBinder", defaultClassLoader); 135 | this.bindFunction = obj -> { 136 | Constructor constructor; 137 | try { 138 | constructor = ReflectionUtils.accessibleConstructor(binderClass, ApplicationContext.class); 139 | } catch (NoSuchMethodException e) { 140 | throw new RuntimeException(e); 141 | } 142 | Object configurationPropertiesBinder = BeanUtils.instantiateClass(constructor, applicationContext); 143 | return (BindResult) invokeMethod(configurationPropertiesBinder, "bind", obj); 144 | }; 145 | } 146 | 147 | @Override 148 | public Bindable getBindTarget() { 149 | Object configurationPropertiesBean = getConfigurationPropertiesBean(applicationContext, bean, beanName); 150 | return (Bindable) invokeMethod(configurationPropertiesBean, "asBindTarget"); 151 | } 152 | 153 | @Override 154 | @SneakyThrows 155 | public boolean isDynamicPropertiesBean() { 156 | Object configurationPropertiesBean = getConfigurationPropertiesBean(applicationContext, bean, beanName); 157 | return configurationPropertiesBean != null && super.isDynamicPropertiesBean(); 158 | } 159 | 160 | @SneakyThrows 161 | public Object getConfigurationPropertiesBean(ApplicationContext applicationContext, Object bean, String beanName) { 162 | Method method = ReflectionUtils.findMethod(configurationPropertiesBeanClass, "get", 163 | ApplicationContext.class, Object.class, String.class); 164 | return ReflectionUtils.invokeMethod(Objects.requireNonNull(method), null, applicationContext, bean, beanName); 165 | } 166 | 167 | public BindResult bind() { 168 | Object configurationPropertiesBean = getConfigurationPropertiesBean(applicationContext, bean, beanName); 169 | return bindFunction.apply(configurationPropertiesBean); 170 | } 171 | } 172 | 173 | private static Object invokeMethod(Object obj, String methodName, Object... args) { 174 | Class[] argsTypes; 175 | if (args != null && args.length > 0) { 176 | argsTypes = new Class[args.length]; 177 | for (int i = 0; i < args.length; i++) { 178 | argsTypes[i] = args[i].getClass(); 179 | } 180 | } else { 181 | argsTypes = new Class[0]; 182 | } 183 | Method method = ReflectionUtils.findMethod(obj.getClass(), methodName, argsTypes); 184 | if (method == null) { 185 | return null; 186 | } 187 | ReflectionUtils.makeAccessible(method); 188 | return ReflectionUtils.invokeMethod(method, obj, args); 189 | } 190 | } 191 | -------------------------------------------------------------------------------- /src/main/java/com/github/selfancy/apollo/DynamicPropertiesChangeBinderListener.java: -------------------------------------------------------------------------------- 1 | package com.github.selfancy.apollo; 2 | 3 | import com.ctrip.framework.apollo.Config; 4 | import com.ctrip.framework.apollo.ConfigChangeListener; 5 | import com.ctrip.framework.apollo.ConfigService; 6 | import com.ctrip.framework.apollo.core.ConfigConsts; 7 | import com.ctrip.framework.apollo.model.ConfigChangeEvent; 8 | import com.ctrip.framework.apollo.spring.config.PropertySourcesConstants; 9 | import org.slf4j.Logger; 10 | import org.slf4j.LoggerFactory; 11 | import org.springframework.beans.BeansException; 12 | import org.springframework.boot.autoconfigure.condition.ConditionalOnClass; 13 | import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; 14 | import org.springframework.boot.context.event.ApplicationStartedEvent; 15 | import org.springframework.boot.context.properties.ConfigurationProperties; 16 | import org.springframework.boot.context.properties.bind.Binder; 17 | import org.springframework.boot.context.properties.bind.PropertySourcesPlaceholdersResolver; 18 | import org.springframework.boot.context.properties.source.ConfigurationPropertySources; 19 | import org.springframework.context.ApplicationContext; 20 | import org.springframework.context.ApplicationContextAware; 21 | import org.springframework.context.ApplicationListener; 22 | import org.springframework.context.ConfigurableApplicationContext; 23 | import org.springframework.core.Ordered; 24 | import org.springframework.core.env.ConfigurableEnvironment; 25 | import org.springframework.core.env.MutablePropertySources; 26 | 27 | import java.util.HashSet; 28 | import java.util.Map; 29 | import java.util.Set; 30 | import java.util.stream.Collectors; 31 | 32 | /** 33 | * DynamicPropertiesChangeBinderListener 34 | *

35 | * {@link ConfigurationProperties} 36 | * {@link DynamicProperties} 37 | *

38 | * Created by mike on 2020/8/13 since 1.0 39 | */ 40 | @SuppressWarnings("all") 41 | @ConditionalOnClass(Config.class) 42 | @ConditionalOnProperty(PropertySourcesConstants.APOLLO_BOOTSTRAP_ENABLED) 43 | class DynamicPropertiesChangeBinderListener implements ApplicationContextAware, 44 | ApplicationListener, ConfigChangeListener, Ordered { 45 | 46 | private Binder binder; 47 | private String[] apolloNamespaces; 48 | private static final int ORDER = DynamicPropertiesConfigBeanPostProcessor.ORDER - 1; 49 | private static final Logger LOGGER = LoggerFactory.getLogger(DynamicPropertiesChangeBinderListener.class); 50 | 51 | @Override 52 | public int getOrder() { 53 | return ORDER; 54 | } 55 | 56 | @Override 57 | public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { 58 | ConfigurableApplicationContext context = (ConfigurableApplicationContext) applicationContext; 59 | ConfigurableEnvironment environment = context.getEnvironment(); 60 | MutablePropertySources propertySources = environment.getPropertySources(); 61 | this.binder = new Binder(ConfigurationPropertySources.from(propertySources), 62 | new PropertySourcesPlaceholdersResolver(propertySources), 63 | context.getBeanFactory().getConversionService(), 64 | context.getBeanFactory()::copyRegisteredEditorsTo); 65 | this.apolloNamespaces = environment.getProperty(PropertySourcesConstants.APOLLO_BOOTSTRAP_NAMESPACES, String[].class, 66 | new String[]{ConfigConsts.NAMESPACE_APPLICATION}); 67 | } 68 | 69 | @Override 70 | public void onApplicationEvent(ApplicationStartedEvent event) { 71 | String[] namespaces = this.apolloNamespaces; 72 | Set interestedKeyPrefixes = getConfigBeanMap().keySet(); 73 | if (!interestedKeyPrefixes.isEmpty()) { 74 | for (String namespace : namespaces) { 75 | Config config = ConfigService.getConfig(namespace); 76 | config.addChangeListener(this, null, interestedKeyPrefixes); 77 | } 78 | } 79 | } 80 | 81 | @Override 82 | public synchronized void onChange(ConfigChangeEvent changeEvent) { 83 | Set changedKeys = changeEvent.changedKeys(); 84 | Set refreshedKeys = new HashSet<>(); 85 | for (Map.Entry entry : getConfigBeanMap().entrySet()) { 86 | String propertiesPrefix = entry.getKey(); 87 | for (String changedKey : changedKeys) { 88 | DynamicPropertiesBeanBinder beanBinder = entry.getValue(); 89 | if (changedKey.startsWith(propertiesPrefix) && !refreshedKeys.contains(propertiesPrefix) 90 | && beanBinder.isEnabledDynamicChange()) { 91 | refreshConfigPropertiesBean(propertiesPrefix, beanBinder); 92 | LOGGER.info("Dynamic update apollo changed value successfully, refreshed bean {}.\n{}", 93 | beanBinder.getBean().getClass().getName(), 94 | changedKeys.stream() 95 | .filter(key -> key.startsWith(propertiesPrefix)) 96 | .map(key -> changeEvent.getChange(key)) 97 | .map(String::valueOf) 98 | .collect(Collectors.joining("\n"))); 99 | refreshedKeys.add(propertiesPrefix); 100 | } 101 | } 102 | } 103 | } 104 | 105 | private void refreshConfigPropertiesBean(String configPrefix, DynamicPropertiesBeanBinder beanBinder) { 106 | beanBinder.bind(binder, configPrefix); 107 | } 108 | 109 | private Map getConfigBeanMap() { 110 | return DynamicPropertiesConfigBeanPostProcessor.getConfigBeanBinderMap(); 111 | } 112 | } 113 | -------------------------------------------------------------------------------- /src/main/java/com/github/selfancy/apollo/DynamicPropertiesConfigBeanPostProcessor.java: -------------------------------------------------------------------------------- 1 | package com.github.selfancy.apollo; 2 | 3 | import org.springframework.beans.BeansException; 4 | import org.springframework.beans.factory.config.BeanPostProcessor; 5 | import org.springframework.context.ApplicationContext; 6 | import org.springframework.context.ApplicationContextAware; 7 | import org.springframework.context.ConfigurableApplicationContext; 8 | import org.springframework.core.Ordered; 9 | 10 | import java.util.Map; 11 | import java.util.concurrent.ConcurrentHashMap; 12 | 13 | /** 14 | * DynamicPropertiesConfigBeanPostProcessor 15 | *

16 | * Created by mike on 2020/10/27 since 1.0 17 | */ 18 | class DynamicPropertiesConfigBeanPostProcessor implements BeanPostProcessor, ApplicationContextAware, Ordered { 19 | 20 | private ConfigurableApplicationContext applicationContext; 21 | private static final Map configBeanBinderMap = new ConcurrentHashMap<>(); 22 | static final int ORDER = Ordered.HIGHEST_PRECEDENCE + 10; 23 | 24 | @Override 25 | public int getOrder() { 26 | return ORDER; 27 | } 28 | 29 | @Override 30 | public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { 31 | this.applicationContext = (ConfigurableApplicationContext) applicationContext; 32 | } 33 | 34 | @Override 35 | public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException { 36 | DynamicPropertiesBeanBinder beanBinder = new DynamicPropertiesBeanBinder(applicationContext, bean, beanName); 37 | if (beanBinder.isDynamicPropertiesBean()) { 38 | configBeanBinderMap.put(beanBinder.getPrefix(), beanBinder); 39 | } 40 | return bean; 41 | } 42 | 43 | static Map getConfigBeanBinderMap() { 44 | return configBeanBinderMap; 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /src/main/resources/META-INF/spring.factories: -------------------------------------------------------------------------------- 1 | org.springframework.boot.autoconfigure.EnableAutoConfiguration=\ 2 | com.github.selfancy.apollo.DynamicPropertiesBeanAutoConfiguration -------------------------------------------------------------------------------- /src/test/java/com/github/selfancy/sample/SampleApplication.java: -------------------------------------------------------------------------------- 1 | package com.github.selfancy.sample; 2 | 3 | import com.ctrip.framework.apollo.spring.config.PropertySourcesConstants; 4 | import com.github.selfancy.apollo.DynamicProperties; 5 | import lombok.Data; 6 | import org.springframework.boot.SpringApplication; 7 | import org.springframework.boot.autoconfigure.SpringBootApplication; 8 | import org.springframework.boot.context.properties.ConfigurationProperties; 9 | import org.springframework.boot.context.properties.EnableConfigurationProperties; 10 | 11 | import java.io.IOException; 12 | 13 | /** 14 | * SampleApplication 15 | *

16 | * Created by mike on 2024/02/05 17 | */ 18 | @SpringBootApplication 19 | @EnableConfigurationProperties(SampleApplication.SampleProperties.class) 20 | public class SampleApplication { 21 | 22 | public static void main(String[] args) throws IOException { 23 | System.setProperty(PropertySourcesConstants.APOLLO_BOOTSTRAP_ENABLED, "true"); 24 | System.setProperty(PropertySourcesConstants.APOLLO_BOOTSTRAP_NAMESPACES, "application"); 25 | System.setProperty("env", "DEV"); 26 | System.setProperty("app.id", "SampleApp"); 27 | System.setProperty("apollo.meta", "http://127.0.0.1:8080"); 28 | 29 | System.setProperty("logging.level.com.ctrip", "debug"); 30 | SpringApplication.run(SampleApplication.class, args); 31 | System.in.read(); 32 | } 33 | 34 | @Data 35 | @DynamicProperties 36 | @ConfigurationProperties("sample") 37 | public static class SampleProperties { 38 | private int timeout; 39 | private Nested nested; 40 | 41 | @Data 42 | public static class Nested { 43 | private String url; 44 | } 45 | } 46 | } 47 | --------------------------------------------------------------------------------