| /******************************************************************************* |
| * Copyright (c) 2014 Bachmann electronics GmbH and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Bachmann electronics GmbH - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.tycho.core.maven; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| |
| import org.apache.maven.execution.MavenSession; |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.apache.maven.toolchain.MisconfiguredToolchainException; |
| import org.apache.maven.toolchain.ToolchainManagerPrivate; |
| import org.apache.maven.toolchain.ToolchainPrivate; |
| import org.apache.maven.toolchain.java.DefaultJavaToolChain; |
| import org.codehaus.plexus.component.annotations.Component; |
| import org.codehaus.plexus.component.annotations.Requirement; |
| |
| @Component(role = ToolchainProvider.class) |
| public class ToolchainProvider { |
| |
| @Requirement |
| ToolchainManagerPrivate toolChainManager; |
| |
| public static enum JDKUsage { |
| SYSTEM, BREE; |
| } |
| |
| /** |
| * Finds a matching {@link DefaultJavaToolChain} in the maven toolchains for a given maven |
| * session and toolchain id. Returns the toolchain or null if no toolchain could be found. |
| * |
| * @param session |
| * The maven session |
| * @param toolchainId |
| * The id of the toolchain |
| * @return the toolchain that matches or null if no toolchain could be found |
| * @throws MojoExecutionException |
| * if the toolchains are misconfigured |
| */ |
| public DefaultJavaToolChain findMatchingJavaToolChain(final MavenSession session, final String toolchainId) |
| throws MojoExecutionException { |
| try { |
| final Map<String, String> requirements = Collections.singletonMap("id", toolchainId); |
| for (ToolchainPrivate javaToolChain : toolChainManager.getToolchainsForType("jdk", session)) { |
| if (javaToolChain.matchesRequirements(requirements)) { |
| if (javaToolChain instanceof DefaultJavaToolChain) { |
| return ((DefaultJavaToolChain) javaToolChain); |
| } |
| } |
| } |
| return null; |
| |
| } catch (MisconfiguredToolchainException e) { |
| throw new MojoExecutionException(e.getMessage(), e); |
| } |
| } |
| } |