1 /** 2 * Copyright (c) 2008, SnakeYAML 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 package org.yaml.snakeyaml.nodes; 15 16 import java.util.List; 17 import org.yaml.snakeyaml.DumperOptions; 18 import org.yaml.snakeyaml.error.Mark; 19 20 /** 21 * Represents a sequence. 22 * <p> 23 * A sequence is a ordered collection of nodes. 24 * </p> 25 */ 26 public class SequenceNode extends CollectionNode<Node> { 27 28 private final List<Node> value; 29 SequenceNode(Tag tag, boolean resolved, List<Node> value, Mark startMark, Mark endMark, DumperOptions.FlowStyle flowStyle)30 public SequenceNode(Tag tag, boolean resolved, List<Node> value, Mark startMark, Mark endMark, 31 DumperOptions.FlowStyle flowStyle) { 32 super(tag, startMark, endMark, flowStyle); 33 if (value == null) { 34 throw new NullPointerException("value in a Node is required."); 35 } 36 this.value = value; 37 this.resolved = resolved; 38 } 39 SequenceNode(Tag tag, List<Node> value, DumperOptions.FlowStyle flowStyle)40 public SequenceNode(Tag tag, List<Node> value, DumperOptions.FlowStyle flowStyle) { 41 this(tag, true, value, null, null, flowStyle); 42 } 43 44 /* 45 * Existed in older versions but replaced with {@link DumperOptions.SequenceStyle}-based 46 * constructor. Restored in v1.22 for backwards compatibility. 47 * 48 * @deprecated Since restored in v1.22. Use {@link SequenceNode#SequenceNode(Tag, List<Node>, 49 * org.yaml.snakeyaml.DumperOptions.FlowStyle) }. 50 */ 51 @Deprecated SequenceNode(Tag tag, List<Node> value, Boolean style)52 public SequenceNode(Tag tag, List<Node> value, Boolean style) { 53 this(tag, value, DumperOptions.FlowStyle.fromBoolean(style)); 54 } 55 56 /* 57 * Existed in older versions but replaced with {@link DumperOptions.SequenceStyle}-based 58 * constructor. Restored in v1.22 for backwards compatibility. 59 * 60 * @deprecated Since restored in v1.22. Use {@link SequenceNode#SequenceNode(Tag, boolean, 61 * List<Node>, Mark, Mark, org.yaml.snakeyaml.DumperOptions.FlowStyle) }. 62 */ 63 @Deprecated SequenceNode(Tag tag, boolean resolved, List<Node> value, Mark startMark, Mark endMark, Boolean style)64 public SequenceNode(Tag tag, boolean resolved, List<Node> value, Mark startMark, Mark endMark, 65 Boolean style) { 66 this(tag, resolved, value, startMark, endMark, DumperOptions.FlowStyle.fromBoolean(style)); 67 } 68 69 @Override getNodeId()70 public NodeId getNodeId() { 71 return NodeId.sequence; 72 } 73 74 /** 75 * Returns the elements in this sequence. 76 * 77 * @return Nodes in the specified order. 78 */ getValue()79 public List<Node> getValue() { 80 return value; 81 } 82 setListType(Class<? extends Object> listType)83 public void setListType(Class<? extends Object> listType) { 84 for (Node node : value) { 85 node.setType(listType); 86 } 87 } 88 toString()89 public String toString() { 90 return "<" + this.getClass().getName() + " (tag=" + getTag() + ", value=" + getValue() + ")>"; 91 } 92 } 93