com.github.ferstl.jarscan.MethodLengthMojo Maven / Gradle / Ivy

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A Maven plugin that scans the project artifact and its dependencies for methods that cannot be inlined by the JIT compiler. It uses the JarScan utility from the JITWatch project to do that. See https://github.com/AdoptOpenJDK/jitwatch .

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package com.github.ferstl.jarscan;

import org.adoptopenjdk.jitwatch.jarscan.IJarScanOperation;
import org.adoptopenjdk.jitwatch.jarscan.methodlength.MethodLengthOperation;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;

/**
 * List methods of the given bytecode size.
 *
 * @since 1.1
 */
@Mojo(
    name = "methodlength",
    aggregator = false,
    defaultPhase = LifecyclePhase.VERIFY,
    requiresDependencyCollection = ResolutionScope.TEST,
    requiresDependencyResolution = ResolutionScope.TEST,
    requiresDirectInvocation = false,
    threadSafe = true)
public class MethodLengthMojo extends AbstractJarScanMojo {

  /**
   * Size of methods to find.
   *
   * @since 1.1
   */
  @Parameter(property = "length", defaultValue = "1")
  private int length;

  @Override
  protected String validateMojoParameters() {
    if (this.length <= 0) {
      return "length must be > 0.";
    }

    return null;
  }

  @Override
  protected IJarScanOperation createOperation() {
    return new MethodLengthOperation(this.length);
  }

}