/*
* Copyright 2013 (c) MuleSoft, 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 org.raml.parser.rule;
import static org.raml.parser.rule.ValidationMessage.getDuplicateRuleMessage;
import java.lang.reflect.Type;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.raml.parser.resolver.DefaultScalarTupleHandler;
import org.raml.parser.resolver.TupleHandler;
import org.raml.parser.utils.ReflectionUtils;
import org.yaml.snakeyaml.nodes.MappingNode;
import org.yaml.snakeyaml.nodes.Node;
import org.yaml.snakeyaml.nodes.NodeTuple;
import org.yaml.snakeyaml.nodes.ScalarNode;
public class MapTupleRule extends DefaultTupleRule<ScalarNode, MappingNode> implements TypedTupleRule
{
private Class valueType;
private String fieldName;
private final Set<String> keys = new HashSet<String>();
private TupleHandler innerTupleHandler;
public MapTupleRule(String fieldName, Class valueType)
{
super(fieldName, new DefaultScalarTupleHandler(fieldName));
this.valueType = valueType;
}
public MapTupleRule(Class<?> valueType, NodeRuleFactory nodeRuleFactory)
{
this(null, valueType);
setNodeRuleFactory(nodeRuleFactory);
}
@Override
public TupleRule<?, ?> getRuleForTuple(NodeTuple nodeTuple)
{
TupleRule<?, ?> tupleRule;
if (ReflectionUtils.isPojo(valueType))
{
tupleRule = new PojoTupleRule(fieldName, valueType, getNodeRuleFactory());
}
else
{
tupleRule = getScalarRule();
}
if (innerTupleHandler != null && !innerTupleHandler.handles(nodeTuple))
{
return new UnknownTupleRule<Node, Node>(nodeTuple.getKeyNode().toString());
}
tupleRule.setParentTupleRule(this);
return tupleRule;
}
protected DefaultTupleRule getScalarRule()
{
return new SimpleRule(getFieldName(), getValueType());
}
public Class getValueType()
{
return valueType;
}
public String getFieldName()
{
return fieldName;
}
public void setInnerTupleHandler(TupleHandler innerTupleHandler)
{
this.innerTupleHandler = innerTupleHandler;
}
@Override
public void setValueType(Type valueType)
{
this.valueType = (Class) valueType;
}
@Override
public TupleRule<?, ?> deepCopy()
{
checkClassToCopy(MapTupleRule.class);
MapTupleRule copy = new MapTupleRule(getName(), valueType);
copy.setHandler(getHandler());
copy.setInnerTupleHandler(innerTupleHandler);
copy.setNodeRuleFactory(getNodeRuleFactory());
return copy;
}
@Override
public List<ValidationResult> validateKey(ScalarNode key)
{
fieldName = key.getValue();
return super.validateKey(key);
}
public void checkDuplicate(ScalarNode key, List<ValidationResult> validationResults)
{
if (keys.contains(key.getValue()))
{
validationResults.add(ValidationResult.createErrorResult(getDuplicateRuleMessage(getName()), key));
}
else
{
keys.add(key.getValue());
}
}
}