commit 4da7e5990d6d932539d35082a4859a5d10d46bc6 Author: zaaarf Date: Fri Jan 19 14:29:20 2024 +0100 initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..f35ca9e --- /dev/null +++ b/.gitignore @@ -0,0 +1,39 @@ +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### IntelliJ IDEA ### +.idea/ +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..ce86514 --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2024 zaaarf + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..56f689b --- /dev/null +++ b/README.md @@ -0,0 +1,2 @@ +# Route Mapper +Just a little program I needed for work. Reads Spring's route mapping annotations in a project and writes down all about them. \ No newline at end of file diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..bff5d4a --- /dev/null +++ b/build.gradle @@ -0,0 +1,20 @@ +plugins { + id 'java' +} + +group = 'foo.zaaarf' +version = '1.0-SNAPSHOT' + +repositories { + mavenCentral() +} + +dependencies { + implementation 'org.springframework:spring-web:5.3.31' + testImplementation platform('org.junit:junit-bom:5.9.1') + testImplementation 'org.junit.jupiter:junit-jupiter' +} + +test { + useJUnitPlatform() +} \ No newline at end of file diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..523f85b --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Fri Jan 19 12:21:09 CET 2024 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..1b6c787 --- /dev/null +++ b/gradlew @@ -0,0 +1,234 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original 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. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..4183671 --- /dev/null +++ b/settings.gradle @@ -0,0 +1,2 @@ +rootProject.name = 'route-compass' + diff --git a/src/main/java/foo/zaaarf/routecompass/Route.java b/src/main/java/foo/zaaarf/routecompass/Route.java new file mode 100644 index 0000000..2b61571 --- /dev/null +++ b/src/main/java/foo/zaaarf/routecompass/Route.java @@ -0,0 +1,29 @@ +package foo.zaaarf.routecompass; + +import org.springframework.web.bind.annotation.RequestMethod; + +/** + * Internal representation of a REST route. + */ +public class Route { + public final String classFqn; + public final String route; + public final String method; + public final boolean deprecated; + + + public Route(String classFqn, String route, RequestMethod[] methods, boolean deprecated) { + this.classFqn = classFqn; + this.route = route; + StringBuilder methodStringBuilder = new StringBuilder("["); + for(RequestMethod m : methods) + methodStringBuilder + .append(m.name()) + .append("|"); + methodStringBuilder + .deleteCharAt(methodStringBuilder.length() - 1) + .append("]"); + this.method = methodStringBuilder.toString(); + this.deprecated = deprecated; + } +} diff --git a/src/main/java/foo/zaaarf/routecompass/RouteCompass.java b/src/main/java/foo/zaaarf/routecompass/RouteCompass.java new file mode 100644 index 0000000..a3e9667 --- /dev/null +++ b/src/main/java/foo/zaaarf/routecompass/RouteCompass.java @@ -0,0 +1,120 @@ +package foo.zaaarf.routecompass; + +import org.springframework.web.bind.annotation.*; + +import javax.annotation.processing.AbstractProcessor; +import javax.annotation.processing.RoundEnvironment; +import javax.annotation.processing.SupportedSourceVersion; +import javax.lang.model.SourceVersion; +import javax.lang.model.element.Element; +import javax.lang.model.element.ExecutableElement; +import javax.lang.model.element.TypeElement; +import javax.tools.Diagnostic; +import java.lang.annotation.Annotation; +import java.util.HashSet; +import java.util.List; +import java.util.Set; +import java.util.function.BiFunction; +import java.util.stream.Collectors; + +@SupportedSourceVersion(SourceVersion.RELEASE_8) +public class RouteCompass extends AbstractProcessor { + + private final HashSet foundRoutes = new HashSet<>(); + private final HashSet> annotationClasses = new HashSet<>(); + + public RouteCompass() { + annotationClasses.add(RequestMapping.class); + annotationClasses.add(GetMapping.class); + annotationClasses.add(PostMapping.class); + annotationClasses.add(PutMapping.class); + annotationClasses.add(DeleteMapping.class); + annotationClasses.add(PatchMapping.class); + } + + @Override + public boolean process(Set annotations, RoundEnvironment env) { + for(TypeElement annotationType : annotations) { + env.getElementsAnnotatedWith(annotationType) + .stream() + .filter(elem -> elem instanceof ExecutableElement) + .map(elem -> (ExecutableElement) elem) + .forEach(elem -> this.foundRoutes.add(new Route( + elem.getEnclosingElement().asType().toString(), + this.getFullRoute(annotationType, elem), + this.getRequestMethods(annotationType, elem), + this.isDeprecated(elem) + ))); + } + + //TODO print + + return false; //don't claim them, let spring do its job + } + + private String getFullRoute(TypeElement annotationType, Element element) { + @SuppressWarnings("OptionalGetWithoutIsPresent") //find matching annotation class + Class annClass = this.annotationClasses.stream() + .filter(c -> annotationType.getQualifiedName().contentEquals(c.getName())) + .findFirst() + .get(); //should never fail + + try { + //it can be both path and value + String pathValue = (String) annClass.getField("path").get(element.getAnnotation(annClass)); + String route = pathValue == null + ? (String) annClass.getField("value").get(element.getAnnotation(annClass)) + : pathValue; + + return this.parentOrFallback(element, route, (a, e) -> { + String parent = this.getFullRoute(a, e); + StringBuilder sb = new StringBuilder(parent); + if(!parent.endsWith("/")) sb.append("/"); + sb.append(route); + return sb.toString(); + }); + } catch (ReflectiveOperationException ex) { + throw new RuntimeException(ex); //if it fails something went very wrong + } + } + + private RequestMethod[] getRequestMethods(TypeElement annotationType, Element element) { + RequestMethod[] methods = annotationType.getQualifiedName().contentEquals(RequestMapping.class.getName()) + ? element.getAnnotation(RequestMapping.class).method() + : annotationType.getAnnotation(RequestMapping.class).method(); + return methods.length == 0 + ? this.parentOrFallback(element, methods, this::getRequestMethods) + : methods; + } + + private boolean isDeprecated(Element elem) { + return elem.getAnnotation(Deprecated.class) != null + || elem.getEnclosingElement().getAnnotation(Deprecated.class) != null; + } + + private T parentOrFallback(Element element, T fallback, BiFunction fun) { + List> found = this.annotationClasses.stream() + .filter(annClass -> element.getEnclosingElement().getAnnotation(annClass) != null) + .collect(Collectors.toList()); + + if(found.isEmpty()) return fallback; + + if(found.size() > 1) this.processingEnv.getMessager().printMessage( + Diagnostic.Kind.WARNING, + "Found multiple mapping annotations on " + + element.getSimpleName().toString() + + ", only one of the will be considered!" + ); + + return fun.apply( + this.processingEnv.getElementUtils() + .getTypeElement(found.get(0).getName()), + element + ); + } + + @Override + public Set getSupportedAnnotationTypes() { + return annotationClasses.stream().map(Class::getCanonicalName).collect(Collectors.toSet()); + } +} diff --git a/src/main/resources/META-INF/gradle/incremental.annotation.processors b/src/main/resources/META-INF/gradle/incremental.annotation.processors new file mode 100644 index 0000000..6150d23 --- /dev/null +++ b/src/main/resources/META-INF/gradle/incremental.annotation.processors @@ -0,0 +1 @@ +foo.zaaarf.routecompass.RouteCompass,isolating \ No newline at end of file diff --git a/src/main/resources/META-INF/services/javax.annotation.processing.Processor b/src/main/resources/META-INF/services/javax.annotation.processing.Processor new file mode 100644 index 0000000..d91ebc4 --- /dev/null +++ b/src/main/resources/META-INF/services/javax.annotation.processing.Processor @@ -0,0 +1 @@ +foo.zaaarf.routecompass.RouteCompass \ No newline at end of file