org.jbpm.flow.serialization.impl.ProtobufMarshallerReaderContext Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.jbpm.flow.serialization.impl;

import java.io.InputStream;

import org.jbpm.flow.serialization.MarshallerContextName;
import org.jbpm.flow.serialization.MarshallerReaderContext;
import org.jbpm.flow.serialization.NodeInstanceReader;

import com.google.protobuf.Any;

public class ProtobufMarshallerReaderContext extends ProtobufAbstractMarshallerContext implements MarshallerReaderContext {

    private InputStream is;

    public ProtobufMarshallerReaderContext(InputStream is) {
        this.is = is;
    }

    @Override
    public InputStream input() {
        return is;
    }

    @Override
    public NodeInstanceReader findNodeInstanceReader(Any nodeInstance) {
        NodeInstanceReader[] readers = this.get(MarshallerContextName.MARSHALLER_NODE_INSTANCE_READER);
        for (NodeInstanceReader reader : readers) {
            if (reader.accept(nodeInstance)) {
                return reader;
            }
        }
        return null;
    }

}