org.unlaxer.compiler.JavaFileManagerContext Maven / Gradle / Ivy

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package org.unlaxer.compiler;

import java.net.URL;
import java.util.function.Function;
import java.util.function.Predicate;

import javax.tools.StandardLocation;
import javax.tools.JavaFileManager.Location;

public class JavaFileManagerContext {
  public final Predicate matchForStandardFileManager;
  public final Predicate matchForOtherFileManager;
  public final Function jarURLStringFromURL;

  public JavaFileManagerContext(
      Predicate matchForStandardFileManager,
      Predicate matchForOtherFileManager,
      Function jarURLStringFromURL) {
    super();
    this.matchForStandardFileManager = matchForStandardFileManager;
    this.matchForOtherFileManager = matchForOtherFileManager;
    this.jarURLStringFromURL = jarURLStringFromURL;
  }

  public JavaFileManagerContext(Predicate matchForStandardFileManager,Predicate matchForOtherFileManager) {
    super();
    this.matchForStandardFileManager = matchForStandardFileManager;
    this.matchForOtherFileManager = matchForOtherFileManager;
    this.jarURLStringFromURL = defaultJarURLStringFromURL;
  }

  public JavaFileManagerContext(Function jarURLStringFromURL) {
    super();
    this.matchForStandardFileManager = defaultMatchForStandardFileManager;
    this.matchForOtherFileManager = defaultMatchForOtherFileManager;
    this.jarURLStringFromURL = jarURLStringFromURL;
  }

  public JavaFileManagerContext() {
    super();
    this.matchForStandardFileManager = defaultMatchForStandardFileManager;
    this.matchForOtherFileManager = defaultMatchForOtherFileManager;
    this.jarURLStringFromURL = defaultJarURLStringFromURL;
  }

  private static final Predicate defaultMatchForOtherFileManager = //
      location -> {
        String name = location.getName();
        return false == name.startsWith("SYSTEM_MODULES[") ||
            name.equals("SYSTEM_MODULES[java.base]");
      };

  private static final Predicate defaultMatchForStandardFileManager = //
      location -> //
      location == StandardLocation.PLATFORM_CLASS_PATH || //
//			          location.getName().startsWith(StandardLocation.SYSTEM_MODULES.getName());//
          location.getName().equals("SYSTEM_MODULES[java.base]");

  private static final Function defaultJarURLStringFromURL = //
      packageFolderURL -> {//
        String externalForm = packageFolderURL.toExternalForm();//
        String jarUri = externalForm.substring(0, externalForm.lastIndexOf('!'));//
        // String jarUri = packageFolderURL.toExternalForm().split("!")[0];//

        // open liberty provides URL that has scheme 'wsjar'.
        // if openConnection the 'wsjar' URL, we get
        // WSJarURLStreamHandler$WSJarURLConnectionImpl
        jarUri = jarUri.startsWith("wsjar") ? "jar" + jarUri.substring(5) : jarUri;//

        return jarUri;//
      };//

}