NamesUtils.java

/*
 * Copyright 2000-2016 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.memory.utils;

import com.intellij.openapi.util.text.StringUtil;
import com.sun.jdi.ArrayReference;
import com.sun.jdi.ObjectReference;
import org.jetbrains.annotations.NotNull;

import java.util.regex.Pattern;

class NamesUtils {
  @NotNull
  static String getUniqueName(@NotNull ObjectReference ref) {
    String shortName = StringUtil.getShortName(ref.referenceType().name());
    String name = shortName.replace("[]", "Array");
    return String.format("%s@%d", name, ref.uniqueID());
  }

  @NotNull
  static String getArrayUniqueName(@NotNull ArrayReference ref) {
    String shortName = StringUtil.getShortName(ref.referenceType().name());
    int length = ref.length();

    String name = shortName.replaceFirst(Pattern.quote("[]"), String.format("[%d]", length));
    return String.format("%s@%d", name, ref.uniqueID());
  }
}