ArrayWrapperFactory.java

package jetbrains.mps.debugger.java.runtime.state.customViewers;

/*Generated by MPS */

import jetbrains.mps.debugger.java.api.state.proxy.ValueWrapperFactory;
import org.jetbrains.annotations.NotNull;
import jetbrains.mps.debugger.java.api.evaluation.proxies.IValueProxy;
import jetbrains.mps.debugger.java.api.evaluation.proxies.IArrayValueProxy;
import jetbrains.mps.debugger.java.api.evaluation.proxies.INullValueProxy;
import jetbrains.mps.debugger.java.api.evaluation.EvaluationUtils;
import jetbrains.mps.debugger.java.api.state.proxy.ValueWrapper;
import com.sun.jdi.ThreadReference;
import java.util.List;
import jetbrains.mps.debug.api.programState.IWatchable;
import java.util.ArrayList;
import com.sun.jdi.ArrayReference;
import jetbrains.mps.debugger.java.api.state.watchables.JavaWatchable;
import jetbrains.mps.debugger.java.api.state.proxy.JavaValue;
import jetbrains.mps.debugger.java.api.state.customViewers.CustomViewersManager;
import jetbrains.mps.debug.api.programState.IValue;
import javax.swing.Icon;
import jetbrains.mps.debug.api.programState.WatchablesCategory;

public class ArrayWrapperFactory extends ValueWrapperFactory {
  @Override
  public boolean canWrapValue(@NotNull IValueProxy value) {
    return value instanceof IArrayValueProxy && !(value instanceof INullValueProxy);
  }
  @Override
  public String getWrappedType() {
    return "[" + EvaluationUtils.JAVA_LANG_OBJECT;
  }
  public ValueWrapper createValueWrapper(IValueProxy value, ThreadReference threadReference) {
    return new ArrayWrapperFactory.JavaArrayValue((IArrayValueProxy) value, threadReference);
  }
  @Override
  public String getName() {
    return "Array";
  }
  private static class JavaArrayValue extends ValueWrapper<IArrayValueProxy> {
    private static final int MAX_ARRAY_VALUES = 100;
    private final boolean myIsStructure;
    public JavaArrayValue(IArrayValueProxy value, ThreadReference threadReference) {
      super(value, threadReference);
      myIsStructure = myValue.getLength() > 0;
    }
    @Override
    public boolean isStructure() {
      return myIsStructure;
    }
    @Override
    public List<IWatchable> getSubvaluesImpl() {
      List<IWatchable> watchables = new ArrayList<IWatchable>();
      ArrayReference arrayRef = (ArrayReference) myValue.getJDIValue();
      if (arrayRef != null) {
        if (arrayRef.length() > 0) {
          int len = arrayRef.length();
          if (len > MAX_ARRAY_VALUES) {
            len = MAX_ARRAY_VALUES;
          }
          for (int i = 0; i < len; i++) {
            watchables.add(new ArrayWrapperFactory.JavaArrayItemWatchable(arrayRef, i, myThreadReference));
          }
        }
      }
      return watchables;
    }
  }
  private static class JavaArrayItemWatchable extends JavaWatchable implements IWatchable {
    private final ArrayReference myArray;
    private final int myIndex;
    private final JavaValue myValue;
    public JavaArrayItemWatchable(ArrayReference arrayReference, int index, ThreadReference threadReference) {
      super(threadReference);
      myArray = arrayReference;
      myIndex = index;
      myValue = CustomViewersManager.getInstance().fromJdi(myArray.getValue(myIndex), myThreadReference);
    }
    public ArrayReference getArray() {
      return myArray;
    }
    @Override
    public String getName() {
      return "[" + myIndex + "]";
    }
    @Override
    public IValue getValue() {
      return myValue;
    }
    @Override
    public Icon getPresentationIcon() {
      return myValue.getPresentationIcon();
    }

    @Override
    public WatchablesCategory getCategory() {
      return WatchablesCategory.NONE;
    }
  }
}