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Java SDK for Hyperledger Fabric. Deprecated as of Fabric v2.5, replaced by org.hyperledger.fabric:fabric-gateway.

There is a newer version: 2.2.26

/*
 *
 *  Copyright 2016,2017 DTCC, Fujitsu Australia Software Technology, IBM - All Rights Reserved.
 *
 *  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.hyperledger.fabric.sdk;

import java.lang.ref.WeakReference;

import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import org.hyperledger.fabric.protos.peer.ProposalPackage;
import org.hyperledger.fabric.sdk.exception.InvalidProtocolBufferRuntimeException;

class ChaincodeProposalPayloadDeserializer {
    private final ByteString byteString;
    private WeakReference chaincodeProposalPayload;
    private WeakReference invocationSpecDeserializer;

    ChaincodeProposalPayloadDeserializer(ByteString byteString) {
        this.byteString = byteString;
    }

    ProposalPackage.ChaincodeProposalPayload getChaincodeProposalPayload() {
        ProposalPackage.ChaincodeProposalPayload ret = chaincodeProposalPayload != null ? chaincodeProposalPayload.get() : null;

        if (null == ret) {
            try {
                ret = ProposalPackage.ChaincodeProposalPayload.parseFrom(byteString);
            } catch (InvalidProtocolBufferException e) {
                throw new InvalidProtocolBufferRuntimeException(e);
            }
            chaincodeProposalPayload = new WeakReference<>(ret);
        }

        return ret;
    }

    ChaincodeInvocationSpecDeserializer getChaincodeInvocationSpec() {
        ChaincodeInvocationSpecDeserializer ret = invocationSpecDeserializer != null ? invocationSpecDeserializer.get() : null;

        if (null == ret) {
            ret = new ChaincodeInvocationSpecDeserializer(getChaincodeProposalPayload().getInput());
            invocationSpecDeserializer = new WeakReference<>(ret);
        }

        return ret;
    }
}