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Only evaluate major and minor version of enforcer java rule
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Fix evaluation of expressions in m-enforcer-p parameter
Only select ExecutionEnvironments with at least one compatible VM
installed.
This closes eclipse-m2e#842

Also-by: Hannes Wellmann <wellmann.hannes1@gmx.net>
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@kwin @HannesWell
kwin authored and HannesWell committed Nov 28, 2022
1 parent d07bc99 commit aa212c4
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Showing 9 changed files with 248 additions and 41 deletions.
2 changes: 1 addition & 1 deletion org.eclipse.m2e.core/META-INF/MANIFEST.MF
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Expand Up @@ -2,7 +2,7 @@ Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: %Bundle-Name
Bundle-SymbolicName: org.eclipse.m2e.core;singleton:=true
Bundle-Version: 2.0.4.qualifier
Bundle-Version: 2.0.5.qualifier
Bundle-Activator: org.eclipse.m2e.core.internal.MavenPluginActivator
Bundle-Vendor: %Bundle-Vendor
Bundle-Localization: plugin
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2 changes: 1 addition & 1 deletion org.eclipse.m2e.core/pom.xml
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Expand Up @@ -19,7 +19,7 @@
</parent>

<artifactId>org.eclipse.m2e.core</artifactId>
<version>2.0.4-SNAPSHOT</version>
<version>2.0.5-SNAPSHOT</version>
<packaging>eclipse-plugin</packaging>

<name>Maven Integration for Eclipse Core Plug-in</name>
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11 changes: 11 additions & 0 deletions org.eclipse.m2e.core/src/org/eclipse/m2e/core/embedder/IMaven.java
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Expand Up @@ -158,6 +158,17 @@ MojoExecution setupMojoExecution(MavenProject project, MojoExecution execution,
throws CoreException;

/**
* Resolves a configuration parameter from the given {@code mojoExecution}. It coerces from String to the given type
* and considers expressions and default values.
*
* @param <T>
* @param project the Maven project
* @param mojoExecution the mojo execution from which to retrieve the configuration value
* @param parameter the name of the parameter (may be nested with separating {@code .})
* @param asType the type to coerce to
* @param monitor the progress monitor
* @return the parameter value or {@code null} if the parameter with the given name was not found
* @throws CoreException
* @since 1.4
*/
<T> T getMojoParameterValue(MavenProject project, MojoExecution mojoExecution, String parameter,
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56 changes: 44 additions & 12 deletions org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/embedder/MavenImpl.java
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Expand Up @@ -709,8 +709,24 @@ private String formatAsDirectory(String directory) {
return directory.replace(GROUP_SEPARATOR, PATH_SEPARATOR);
}

private <T> T getMojoParameterValue(MavenSession session, MojoExecution mojoExecution, String parameter,
private <T> T getMojoParameterValue(MavenSession session, MojoExecution mojoExecution, List<String> parameterPath,
Class<T> asType) throws CoreException {
Xpp3Dom dom = mojoExecution.getConfiguration();
if(dom == null) {
return null;
}
PlexusConfiguration configuration = new XmlPlexusConfiguration(dom);
for(String parameter : parameterPath) {
configuration = configuration.getChild(parameter);
if(configuration == null) {
return null;
}
}
return getMojoParameterValue(session, mojoExecution, configuration, asType, String.join("/", parameterPath));
}

private <T> T getMojoParameterValue(MavenSession session, MojoExecution mojoExecution,
PlexusConfiguration configuration, Class<T> asType, String parameterLabel) throws CoreException {
try {
MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

Expand All @@ -719,28 +735,44 @@ private <T> T getMojoParameterValue(MavenSession session, MojoExecution mojoExec

ExpressionEvaluator expressionEvaluator = new PluginParameterExpressionEvaluator(session, mojoExecution);
ConfigurationConverter typeConverter = converterLookup.lookupConverterForType(asType);
Xpp3Dom dom = mojoExecution.getConfiguration();
if(dom == null) {
return null;
}
PlexusConfiguration configuration = new XmlPlexusConfiguration(dom).getChild(parameter);
if(configuration == null) {
return null;
}

Object value = typeConverter.fromConfiguration(converterLookup, configuration, asType,
mojoDescriptor.getImplementationClass(), pluginRealm, expressionEvaluator, null);
return asType.cast(value);
} catch(Exception e) {
throw new CoreException(Status
.error(NLS.bind(Messages.MavenImpl_error_param_for_execution, parameter, mojoExecution.getExecutionId()), e));
throw new CoreException(Status.error(
NLS.bind(Messages.MavenImpl_error_param_for_execution, parameterLabel, mojoExecution.getExecutionId()), e));
}
}

@Override
public <T> T getMojoParameterValue(MavenProject project, MojoExecution mojoExecution, String parameter,
Class<T> asType, IProgressMonitor monitor) throws CoreException {
return getExecutionContext().execute(project,
(context, pm) -> getMojoParameterValue(context.getSession(), mojoExecution, parameter, asType), monitor);
(context, pm) -> getMojoParameterValue(context.getSession(), mojoExecution, List.of(parameter), asType),
monitor);
}

/**
* Resolves a nested configuration parameter from the given {@code mojoExecution}. It coerces from String to the given
* type and considers expressions and default values. Deliberately no public API yet as probably refactored in the
* near future.
*
* @param <T>
* @param project the Maven project
* @param mojoExecution the mojo execution from which to retrieve the configuration value
* @param parameterPath the path of the parameter to look up, the first item is the name of the element directly below
* {@code <configuration>} and the last one is the element containing the actual value
* @param asType the type to coerce to
* @param monitor the progress monitor
* @return the parameter value or {@code null} if the parameter with the given name was not found
* @throws CoreException
* @see IMaven#getMojoParameterValue(MavenProject, MojoExecution, String, Class, IProgressMonitor)
*/
public <T> T getMojoParameterValue(MavenProject project, MojoExecution mojoExecution, List<String> parameterPath,
Class<T> asType, IProgressMonitor monitor) throws CoreException {
return getExecutionContext().execute(project,
(context, pm) -> getMojoParameterValue(context.getSession(), mojoExecution, parameterPath, asType), monitor);
}

private <T> T getMojoParameterValue(String parameter, Class<T> type, MavenSession session, Plugin plugin,
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47 changes: 47 additions & 0 deletions org.eclipse.m2e.jdt.tests/projects/enforcerSettingsWithVersion/pom.xml
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@@ -0,0 +1,47 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>foo.bar</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.10.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>3.1.0</version>
<executions>
<execution>
<id>enforce-java-version</id>
<goals>
<goal>enforce</goal>
</goals>
<phase>validate</phase>
<configuration>
<rules>
<requireJavaVersion>
<version>13.0.3</version>
</requireJavaVersion>
</rules>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
47 changes: 47 additions & 0 deletions org.eclipse.m2e.jdt.tests/projects/enforcerSettingsWithVersionRange/pom.xml
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@@ -0,0 +1,47 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>foo.bar</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.10.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>3.1.0</version>
<executions>
<execution>
<id>enforce-java-version</id>
<goals>
<goal>enforce</goal>
</goals>
<phase>validate</phase>
<configuration>
<rules>
<requireJavaVersion>
<version>[11.0.10,16)</version>
</requireJavaVersion>
</rules>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
59 changes: 59 additions & 0 deletions org.eclipse.m2e.jdt.tests/src/org/eclipse/m2e/jdt/tests/JavaConfigurationFromEnforcer.java
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@@ -0,0 +1,59 @@
/*******************************************************************************
* Copyright (c) 2022, 2022 Hannes Wellmann and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Hannes Wellmann - initial API and implementation
*******************************************************************************/

package org.eclipse.m2e.jdt.tests;

import static org.junit.Assert.assertEquals;

import java.util.Arrays;
import java.util.List;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.m2e.tests.common.AbstractMavenProjectTestCase;
import org.junit.Test;

public class JavaConfigurationFromEnforcer extends AbstractMavenProjectTestCase {
private static final String JRE_CONTAINER_PREFIX = "org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/";

@Test
public void testEnforcerVersion() throws Exception {
IProject project = importProject("projects/enforcerSettingsWithVersion/pom.xml");
waitForJobsToComplete();
IJavaProject jproject = JavaCore.create(project);
assertEquals("1.8", jproject.getOption(JavaCore.COMPILER_SOURCE, false));
assertEquals("1.8", jproject.getOption(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, false));
assertEquals(List.of("JavaSE-13"), getJREContainerVMType(jproject));
}

@Test
public void testEnforcerVersionRange() throws Exception {
IProject project = importProject("projects/enforcerSettingsWithVersionRange/pom.xml");
waitForJobsToComplete();
IJavaProject jproject = JavaCore.create(project);
assertEquals("1.8", jproject.getOption(JavaCore.COMPILER_SOURCE, false));
assertEquals("1.8", jproject.getOption(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, false));
assertEquals(List.of("JavaSE-11"), getJREContainerVMType(jproject));
}

private static List<String> getJREContainerVMType(IJavaProject jproject) throws JavaModelException {
return Arrays.stream(jproject.getRawClasspath())
.filter(cp -> cp.getEntryKind() == IClasspathEntry.CPE_CONTAINER).map(IClasspathEntry::getPath)
.map(IPath::toString).filter(p -> p.startsWith(JRE_CONTAINER_PREFIX))
.map(p -> p.substring(JRE_CONTAINER_PREFIX.length())).toList();
}
}
2 changes: 1 addition & 1 deletion org.eclipse.m2e.jdt/META-INF/MANIFEST.MF
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Expand Up @@ -2,7 +2,7 @@ Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: %Bundle-Name
Bundle-SymbolicName: org.eclipse.m2e.jdt;singleton:=true
Bundle-Version: 2.0.2.qualifier
Bundle-Version: 2.0.3.qualifier
Bundle-Localization: plugin
Export-Package: org.eclipse.m2e.jdt,
org.eclipse.m2e.jdt.internal;x-friends:="org.eclipse.m2e.jdt.ui",
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