/*
* 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 static org.raml.parser.rule.ValidationResult.createErrorResult;
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.yaml.snakeyaml.nodes.MappingNode;
import org.yaml.snakeyaml.nodes.NodeTuple;
import org.yaml.snakeyaml.nodes.ScalarNode;
public class ImplicitMapEntryRule extends DefaultTupleRule<ScalarNode, MappingNode> implements TypedTupleRule
{
private Class valueType;
private final Set<String> keys = new HashSet<String>();
public ImplicitMapEntryRule(String fieldName, Class valueType)
{
super(fieldName, new DefaultScalarTupleHandler(fieldName));
this.valueType = valueType;
}
@Override
public TupleRule<?, ?> getRuleForTuple(NodeTuple nodeTuple)
{
if (rules.isEmpty())
{
addRulesFor(valueType);
}
return super.getRuleForTuple(nodeTuple);
}
@Override
public List<ValidationResult> onRuleEnd()
{
List<ValidationResult> validationResults = super.onRuleEnd();
rules.clear();
return validationResults;
}
@Override
public Class<?>[] getValueNodeType()
{
return new Class[] {MappingNode.class};
}
@Override
public void setValueType(Type valueType)
{
this.valueType = (Class) valueType;
}
@Override
public TupleRule<?, ?> deepCopy()
{
checkClassToCopy(ImplicitMapEntryRule.class);
ImplicitMapEntryRule copy = new ImplicitMapEntryRule(getName(), getValueType());
copy.setNodeRuleFactory(getNodeRuleFactory());
copy.setHandler(getHandler());
return copy;
}
@Override
public Class<?> getValueType()
{
return valueType;
}
@Override
public List<ValidationResult> validateKey(ScalarNode key)
{
List<ValidationResult> validationResults = super.validateKey(key);
if (keys.contains(key.getValue()))
{
validationResults.add(createErrorResult(getDuplicateRuleMessage(getName()), key));
}
else
{
keys.add(key.getValue());
}
return validationResults;
}
}