SmartWrapper.java

package jetbrains.mps.internal.make.runtime.util;

/*Generated by MPS */

import java.util.Map;
import jetbrains.mps.internal.collections.runtime.MapSequence;
import java.util.HashMap;
import java.util.regex.Pattern;

public class SmartWrapper<T> {
  private static Map<String, String> WRAPPERS_CACHE = MapSequence.fromMap(new HashMap<String, String>());
  private static Pattern PATTERN = Pattern.compile(".+\\.(.+)$");
  private final T towrap;
  public SmartWrapper(T towrap) {
    this.towrap = towrap;
  }
  public T unwrap() {
    return towrap;
  }
  @Override
  public String toString() {
    return this.getWrapperName() + "[" + towrap + "]";
  }
  private String getWrapperName() {
    String name = getClass().getName();
    if (MapSequence.fromMap(WRAPPERS_CACHE).containsKey(name)) {
      return MapSequence.fromMap(WRAPPERS_CACHE).get(name);
    }
    String sn = PATTERN.matcher(name).replaceAll("$1");
    String toCache = sn.replace("$", ".");
    MapSequence.fromMap(WRAPPERS_CACHE).put(name, toCache);
    return toCache;
  }
  @Override
  @SuppressWarnings(value = {"unchecked"})
  public boolean equals(Object that) {
    if (this == that) {
      return true;
    }
    if (!(that instanceof SmartWrapper)) {
      return false;
    }
    return eq_awov2t_a0c0h(this.towrap, ((SmartWrapper) that).towrap);
  }
  @Override
  public int hashCode() {
    int h = 17;
    h *= (towrap != null ? towrap.hashCode() : 31);
    return h;
  }
  private static boolean eq_awov2t_a0c0h(Object a, Object b) {
    return (a != null ? a.equals(b) : a == b);
  }
}