1 /** 2 * Copyright (c) 2008, http://www.snakeyaml.org 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.yaml.snakeyaml.serializer; 17 18 import org.yaml.snakeyaml.nodes.Node; 19 20 import java.text.NumberFormat; 21 22 public class NumberAnchorGenerator implements AnchorGenerator { 23 24 private int lastAnchorId = 0; 25 26 public NumberAnchorGenerator(int lastAnchorId) { 27 this.lastAnchorId = lastAnchorId; 28 } 29 30 public String nextAnchor(Node node) { 31 this.lastAnchorId++; 32 NumberFormat format = NumberFormat.getNumberInstance(); 33 format.setMinimumIntegerDigits(3); 34 format.setMaximumFractionDigits(0);// issue 172 35 format.setGroupingUsed(false); 36 String anchorId = format.format(this.lastAnchorId); 37 return "id" + anchorId; 38 } 39 } 40
