Compile a Java file with JavaCompiler : Java Compiler tools « JDK 6 « Java

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Java » JDK 6 » Java Compiler tools 




Compile a Java file with JavaCompiler
 

import java.io.IOException;
import java.util.Arrays;

import javax.tools.DiagnosticCollector;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;

public class DiagnosticCollectorCompile {

  public static void main(String args[]) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
    StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
    Iterable<? extends JavaFileObject> compilationUnits = fileManager
        .getJavaFileObjectsFromStrings(Arrays.asList("Foo.java"));
    JavaCompiler.CompilationTask task = compiler.getTask(null, fileManager, diagnostics, null,
        null, compilationUnits);
    boolean success = task.call();
    fileManager.close();
    System.out.println("Success: " + success);
  }
}

// File: MyClass.java
class MyClass {
  public static void main(String args[]) {
    System.out.println("Hello, World");
  }
}

        














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