我需要从Java方法中运行Gradle工具,以对外部Gradle项目执行Eclipse任务。使用Gradle Tooling API是否可以实现?
我需要从Java方法中运行Gradle工具,以对外部Gradle项目执行Eclipse任务。使用Gradle Tooling API是否可以实现?
jar
作为参数传递:import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
public class Main
{
private static String PATH_TO_GRADLE_PROJECT = "./";
private static String GRADLEW_EXECUTABLE = "gradlew.bat";
private static String BLANK = " ";
private static String GRADLE_TASK = "jar";
public static void main(String[] args)
{
String command = PATH_TO_GRADLE_PROJECT + GRADLEW_EXECUTABLE + BLANK + GRADLE_TASK;
try
{
Runtime.getRuntime().exec(command);
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
使用Gradle Tooling API
要在外部项目中使用Gradle tooling api,您只需要定义GradleConnector
对象的forProjectDirectory
属性即可。要运行任务,请在BuildLauncher
对象上调用run()
。下面的示例演示了基本原理:
import org.gradle.tooling.BuildLauncher;
import org.gradle.tooling.GradleConnector;
import org.gradle.tooling.ProjectConnection;
import java.io.File;
public class ToolingAPI
{
private static final String GRADLE_INSTALLATION = "C:\\Program Files\\Gradle";
private static final String GRADLE_PROJECT_DIRECTORY = "path_to_root_of_a_gradle_project";
private static final String GRADLE_TASK = "help";
private GradleConnector connector;
public ToolingAPI(String gradleInstallationDir, String projectDir)
{
connector = GradleConnector.newConnector();
connector.useInstallation(new File(gradleInstallationDir));
connector.forProjectDirectory(new File(projectDir));
}
public void executeTask(String... tasks)
{
ProjectConnection connection = connector.connect();
BuildLauncher build = connection.newBuild();
build.forTasks(tasks);
build.run();
connection.close();
}
public static void main(String[] args)
{
ToolingAPI toolingAPI = new ToolingAPI(GRADLE_INSTALLATION, GRADLE_PROJECT_DIRECTORY);
toolingAPI.executeTask(GRADLE_TASK);
}
}
new File("somefile")
,将会抛出异常。