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/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.debugger.engine;

import com.intellij.xdebugger.frame.XValueMarkerProvider;
import com.sun.jdi.ObjectReference;
import com.sun.jdi.Value;
import org.jetbrains.annotations.NotNull;

/**
 * @author egor
 */
public class JavaValueMarker extends XValueMarkerProvider<JavaValue, ObjectReference> {
  public JavaValueMarker() {
    super(JavaValue.class);
  }

  @Override
  public boolean canMark(@NotNull JavaValue value) {
    Value obj = value.getDescriptor().getValue();
    return obj instanceof ObjectReference;
  }

  @Override
  public ObjectReference getMarker(@NotNull JavaValue value) {
    Value obj = value.getDescriptor().getValue();
    if (obj instanceof ObjectReference) {
      return ((ObjectReference)obj);
    }
    return null;
  }
}