org.raml.parser.rule.GlobalSchemasRule Maven / Gradle / Ivy

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Java implementation of the raml parser taken from https://github.com/raml-org/raml-java-parser and adjusted

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/*
 * 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.yaml.snakeyaml.nodes.NodeId.scalar;

import java.util.HashMap;
import java.util.Map;

import org.yaml.snakeyaml.nodes.NodeTuple;
import org.yaml.snakeyaml.nodes.ScalarNode;

public class GlobalSchemasRule extends SequenceTupleRule
{

    private Map schemas = new HashMap();

    public GlobalSchemasRule()
    {
        super("schemas", null);
    }

    @Override
    public NodeRule getItemRule()
    {
        return new GlobalSchemaTupleRule(String.class, getNodeRuleFactory());
    }

    private class GlobalSchemaTupleRule extends MapTupleRule
    {

        public GlobalSchemaTupleRule(Class valueType, NodeRuleFactory nodeRuleFactory)
        {
            super(valueType, nodeRuleFactory);
        }

        @Override
        public TupleRule getRuleForTuple(NodeTuple nodeTuple)
        {
            if (nodeTuple.getKeyNode().getNodeId() == scalar && nodeTuple.getValueNode().getNodeId() == scalar)
            {
                String schemaKey = ((ScalarNode) nodeTuple.getKeyNode()).getValue();
                ScalarNode valueNode = (ScalarNode) nodeTuple.getValueNode();
                schemas.put(schemaKey, valueNode);
            }
            return super.getRuleForTuple(nodeTuple);
        }
    }

    public ScalarNode getSchema(String key)
    {
        return schemas.get(key);
    }

}