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/**
* Copyright (c) 2008, SnakeYAML
*
* 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 java.util.List;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.error.Mark;
/**
* Represents a map.
* <p>
* A map is a collection of unsorted key-value pairs.
* </p>
*/
public class MappingNode extends CollectionNode<NodeTuple> {
private List<NodeTuple> value;
private boolean merged = false;
public MappingNode(Tag tag, boolean resolved, List<NodeTuple> value, Mark startMark, Mark endMark,
DumperOptions.FlowStyle flowStyle) {
super(tag, startMark, endMark, flowStyle);
if (value == null) {
throw new NullPointerException("value in a Node is required.");
}
this.value = value;
this.resolved = resolved;
}
public MappingNode(Tag tag, List<NodeTuple> value, DumperOptions.FlowStyle flowStyle) {
this(tag, true, value, null, null, flowStyle);
}
/*
* Existed in older versions but replaced with {@link DumperOptions.FlowStyle}-based constructor.
* Restored in v1.22 for backwards compatibility.
*
* @deprecated Since restored in v1.22. Use {@link MappingNode#MappingNode(Tag, boolean, List,
* Mark, Mark, org.yaml.snakeyaml.DumperOptions.FlowStyle) }.
*/
@Deprecated
public MappingNode(Tag tag, boolean resolved, List<NodeTuple> value, Mark startMark, Mark endMark,
Boolean flowStyle) {
this(tag, resolved, value, startMark, endMark, DumperOptions.FlowStyle.fromBoolean(flowStyle));
}
/*
* Existed in older versions but replaced with {@link DumperOptions.FlowStyle}-based constructor.
* Restored in v1.22 for backwards compatibility.
*
* @deprecated Since restored in v1.22. Use {@link MappingNode#MappingNode(Tag, List,
* org.yaml.snakeyaml.DumperOptions.FlowStyle) }.
*/
@Deprecated
public MappingNode(Tag tag, List<NodeTuple> value, Boolean flowStyle) {
this(tag, value, DumperOptions.FlowStyle.fromBoolean(flowStyle));
}
@Override
public NodeId getNodeId() {
return NodeId.mapping;
}
/**
* Returns the entries of this map.
*
* @return List of entries.
*/
public List<NodeTuple> getValue() {
return value;
}
public void setValue(List<NodeTuple> mergedValue) {
value = mergedValue;
}
public void setOnlyKeyType(Class<? extends Object> keyType) {
for (NodeTuple nodes : value) {
nodes.getKeyNode().setType(keyType);
}
}
public void setTypes(Class<? extends Object> keyType, Class<? extends Object> valueType) {
for (NodeTuple nodes : value) {
nodes.getValueNode().setType(valueType);
nodes.getKeyNode().setType(keyType);
}
}
@Override
public String toString() {
String values;
StringBuilder buf = new StringBuilder();
for (NodeTuple node : getValue()) {
buf.append("{ key=");
buf.append(node.getKeyNode());
buf.append("; value=");
if (node.getValueNode() instanceof CollectionNode) {
// to avoid overflow in case of recursive structures
buf.append(System.identityHashCode(node.getValueNode()));
} else {
buf.append(node);
}
buf.append(" }");
}
values = buf.toString();
return "<" + this.getClass().getName() + " (tag=" + getTag() + ", values=" + values + ")>";
}
/**
* @param merged - true if map contains merge node
*/
public void setMerged(boolean merged) {
this.merged = merged;
}
/**
* @return true if map contains merge node
*/
public boolean isMerged() {
return merged;
}
}
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