| package org.apache.maven.wrapper; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * |
| * http://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. |
| */ |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Locale; |
| import java.util.Properties; |
| |
| import static org.apache.maven.wrapper.MavenWrapperMain.MVNW_REPOURL; |
| |
| /** |
| * Wrapper executor, running {@link Installer} to get a Maven distribution ready, followed by |
| * {@link BootstrapMainStarter} to launch the Maven bootstrap. |
| * |
| * @author Hans Dockter |
| */ |
| public class WrapperExecutor |
| { |
| public static final String DISTRIBUTION_URL_PROPERTY = "distributionUrl"; |
| |
| public static final String DISTRIBUTION_BASE_PROPERTY = "distributionBase"; |
| |
| public static final String ZIP_STORE_BASE_PROPERTY = "zipStoreBase"; |
| |
| public static final String DISTRIBUTION_PATH_PROPERTY = "distributionPath"; |
| |
| public static final String ZIP_STORE_PATH_PROPERTY = "zipStorePath"; |
| |
| private final Properties properties; |
| |
| private final Path propertiesFile; |
| |
| private final WrapperConfiguration config = new WrapperConfiguration(); |
| |
| public static WrapperExecutor forProjectDirectory( Path projectDir ) |
| { |
| return new WrapperExecutor( projectDir.resolve( "maven/wrapper/maven-wrapper.properties" ), new Properties() ); |
| } |
| |
| public static WrapperExecutor forWrapperPropertiesFile( Path propertiesFile ) |
| { |
| if ( Files.notExists( propertiesFile ) ) |
| { |
| throw new RuntimeException( String.format( Locale.ROOT, "Wrapper properties file '%s' does not exist.", |
| propertiesFile ) ); |
| } |
| return new WrapperExecutor( propertiesFile, new Properties() ); |
| } |
| |
| WrapperExecutor( Path propertiesFile, Properties properties ) |
| { |
| this.properties = properties; |
| this.propertiesFile = propertiesFile; |
| if ( Files.exists( propertiesFile ) ) |
| { |
| try |
| { |
| loadProperties( propertiesFile, properties ); |
| config.setDistribution( prepareDistributionUri() ); |
| config.setDistributionBase( getProperty( DISTRIBUTION_BASE_PROPERTY, config.getDistributionBase() ) ); |
| config.setDistributionPath( Paths.get( getProperty( DISTRIBUTION_PATH_PROPERTY, |
| config.getDistributionPath().toString() ) ) ); |
| config.setZipBase( getProperty( ZIP_STORE_BASE_PROPERTY, config.getZipBase() ) ); |
| config.setZipPath( Paths.get( getProperty( ZIP_STORE_PATH_PROPERTY, |
| config.getZipPath().toString() ) ) ); |
| } |
| catch ( Exception e ) |
| { |
| throw new RuntimeException( String.format( Locale.ROOT, "Could not load wrapper properties from '%s'.", |
| propertiesFile ), |
| e ); |
| } |
| } |
| } |
| |
| protected String getEnv( String key ) |
| { |
| return System.getenv( key ); |
| } |
| |
| private URI prepareDistributionUri() |
| throws URISyntaxException |
| { |
| URI source = readDistroUrl(); |
| if ( source.getScheme() == null ) |
| { |
| // no scheme means someone passed a relative url. In our context only file relative urls make sense. |
| return propertiesFile.getParent().resolve( source.getSchemeSpecificPart() ).toUri(); |
| } |
| else |
| { |
| String mvnwRepoUrl = getEnv( MVNW_REPOURL ); |
| if ( mvnwRepoUrl != null && !mvnwRepoUrl.isEmpty() ) |
| { |
| Logger.info( "Detected MVNW_REPOURL environment variable " + mvnwRepoUrl ); |
| if ( mvnwRepoUrl.endsWith( "/" ) ) |
| { |
| mvnwRepoUrl = mvnwRepoUrl.substring( 0, mvnwRepoUrl.length() - 1 ); |
| } |
| String distributionPath = source.getPath(); |
| int index = distributionPath.indexOf( "org/apache/maven" ); |
| if ( index > 1 ) |
| { |
| distributionPath = "/".concat( distributionPath.substring( index ) ); |
| } |
| else |
| { |
| Logger.warn( "distributionUrl don't contain package name " + source.getPath() ); |
| } |
| return new URI( mvnwRepoUrl + distributionPath ); |
| } |
| |
| return source; |
| } |
| } |
| |
| private URI readDistroUrl() |
| throws URISyntaxException |
| { |
| return new URI( getProperty( DISTRIBUTION_URL_PROPERTY ) ); |
| } |
| |
| private static void loadProperties( Path propertiesFile, Properties properties ) |
| throws IOException |
| { |
| try ( InputStream inStream = Files.newInputStream( propertiesFile ) ) |
| { |
| properties.load( inStream ); |
| } |
| } |
| |
| /** |
| * Returns the Maven distribution which this wrapper will use. Returns null if no wrapper meta-data was found in the |
| * specified project directory. |
| * |
| * @return the Maven distribution which this wrapper will use |
| */ |
| public URI getDistribution() |
| { |
| return config.getDistribution(); |
| } |
| |
| /** |
| * Returns the configuration for this wrapper. |
| * |
| * @return the configuration for this wrapper |
| */ |
| public WrapperConfiguration getConfiguration() |
| { |
| return config; |
| } |
| |
| public void execute( String[] args, Installer install, BootstrapMainStarter bootstrapMainStarter ) |
| throws Exception |
| { |
| Path mavenHome = install.createDist( config ); |
| bootstrapMainStarter.start( args, mavenHome, properties ); |
| } |
| |
| private String getProperty( String propertyName ) |
| { |
| return getProperty( propertyName, null ); |
| } |
| |
| private String getProperty( String propertyName, String defaultValue ) |
| { |
| String value = properties.getProperty( propertyName, defaultValue ); |
| if ( value == null ) |
| { |
| reportMissingProperty( propertyName ); |
| } |
| return value; |
| } |
| |
| private void reportMissingProperty( String propertyName ) |
| { |
| throw new RuntimeException( String.format( Locale.ROOT, |
| "No value with key '%s' specified in wrapper properties file '%s'.", |
| propertyName, propertiesFile ) ); |
| } |
| } |