extensions/grapher/src/com/google/inject/grapher/StringNodeIdFactory.java

/**
 * Copyright (C) 2008 Google Inc.
 *
 * 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.google.inject.grapher;

import com.google.inject.Key;

/**
 * {@link IdFactory} implementation that for {@link String} node IDs. The IDs
 * are comprised of letters, numbers and underscores.
 *
 * @author phopkins@gmail.com (Pete Hopkins)
 */
public class StringNodeIdFactory implements NodeIdFactory<String> {
  public String getClassNodeId(Key<?> key) {
    return "k_" + Integer.toHexString(key.hashCode());
  }

  public String getInstanceNodeId(Key<?> key) {
    return "i_" + Integer.toHexString(key.hashCode());
  }
}