org.hyperledger.fabric.sdk.HeaderDeserializer Maven / Gradle / Ivy
/*
*
* 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.InvalidProtocolBufferException;
import org.hyperledger.fabric.protos.common.Common;
import org.hyperledger.fabric.protos.common.Common.Header;
import org.hyperledger.fabric.protos.msp.Identities;
import org.hyperledger.fabric.sdk.exception.InvalidProtocolBufferRuntimeException;
class HeaderDeserializer {
private final Header header;
private WeakReference channelHeader;
HeaderDeserializer(Header header) {
this.header = header;
}
Header getHeader() {
return header;
}
ChannelHeaderDeserializer getChannelHeader() {
ChannelHeaderDeserializer ret = null;
if (channelHeader != null) {
ret = channelHeader.get();
}
if (ret == null) {
ret = new ChannelHeaderDeserializer(getHeader().getChannelHeader());
channelHeader = new WeakReference<>(ret);
}
return ret;
}
Identities.SerializedIdentity getCreator() {
try {
Common.SignatureHeader signatureHeader1 = Common.SignatureHeader.parseFrom(header.getSignatureHeader());
return Identities.SerializedIdentity.parseFrom(signatureHeader1.getCreator());
} catch (InvalidProtocolBufferException e) {
throw new InvalidProtocolBufferRuntimeException(e);
}
}
byte[] getNonce() {
try {
Common.SignatureHeader signatureHeader1 = Common.SignatureHeader.parseFrom(header.getSignatureHeader());
return signatureHeader1.getNonce().toByteArray();
} catch (InvalidProtocolBufferException e) {
throw new InvalidProtocolBufferRuntimeException(e);
}
}
}