/**

  * Copyright (c) 2008-2011, http://www.snakeyaml.org

  *

  * 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 org.yaml.snakeyaml.nodes;

 import org.yaml.snakeyaml.error.Mark;

 /**

  * Represents a scalar node.

  * <p>

  * Scalar nodes form the leaves in the node graph.

  * </p>

  */

 public class ScalarNode extends Node {

     private Character style;

     private String value;

     public ScalarNode(Tag tag, String value, Mark startMark, Mark endMark, Character style) {

         this(tag, true, value, startMark, endMark, style);

     }

     public ScalarNode(Tag tag, boolean resolved, String value, Mark startMark, Mark endMark,

             Character style) {

         super(tag, startMark, endMark);

         if (value == null) {

             throw new NullPointerException("value in a Node is required.");

         }

         this.value = value;

         this.style = style;

         this.resolved = resolved;

     }

     /**

      * Get scalar style of this node.

      * 

      * @see org.yaml.snakeyaml.events.ScalarEvent

      * @see http://yaml.org/spec/1.1/#id864487

      * @return

      */

     public Character getStyle() {

         return style;

     }

     @Override

     public NodeId getNodeId() {

         return NodeId.scalar;

     }

     /**

      * Value of this scalar.

      * 

      * @return Scalar's value.

      */

     public String getValue() {

         return value;

     }

     public String toString() {

         return "<" + this.getClass().getName() + " (tag=" + getTag() + ", value=" + getValue()

                 + ")>";

     }

 }