/**
* Obtains the java executable from the Maven Toolchain.
*
* @param session
* @param toolchainManager
* @param type The type of tool chain to look for in maven.
* @param name The name of the executable file that would be called in in the path.
* @return
* @throws MojoExecutionException
*/
public static String getExecutable(
MavenSession session, ToolchainManager toolchainManager, String type, String name)
throws MojoExecutionException {
Toolchain toolchain = toolchainManager.getToolchainFromBuildContext(type, session);
if (toolchain != null) {
String tool = toolchain.findTool(name);
if (Strings.isValid(tool)) {
return tool;
} else {
throw new MojoExecutionException(
"Unable to find 'java' executable for toolchain: " + toolchain);
}
}
return name;
}
// TODO remove the part with ToolchainManager lookup once we depend on
// 3.0.9 (have it as prerequisite). Define as regular component field then.
private Toolchain getToolchain() {
Toolchain tc = null;
try {
if (session != null) // session is null in tests..
{
ToolchainManager toolchainManager =
(ToolchainManager) session.getContainer().lookup(ToolchainManager.ROLE);
if (toolchainManager != null) {
tc = toolchainManager.getToolchainFromBuildContext("jdk", session);
}
}
} catch (ComponentLookupException componentLookupException) {
// just ignore, could happen in pre-3.0.9 builds..
}
return tc;
}