com.amazonaws.encryptionsdk.model.DecryptionMaterialsRequest Maven / Gradle / Ivy

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package com.amazonaws.encryptionsdk.model;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.amazonaws.encryptionsdk.CryptoAlgorithm;

public final class DecryptionMaterialsRequest {
    private final CryptoAlgorithm algorithm;
    private final Map encryptionContext;
    private final List encryptedDataKeys;

    private DecryptionMaterialsRequest(Builder b) {
        this.algorithm = b.getAlgorithm();
        this.encryptionContext = b.getEncryptionContext();
        this.encryptedDataKeys = b.getEncryptedDataKeys();
    }

    public CryptoAlgorithm getAlgorithm() {
        return algorithm;
    }

    public Map getEncryptionContext() {
        return encryptionContext;
    }

    public List getEncryptedDataKeys() {
        return encryptedDataKeys;
    }

    public static Builder newBuilder() {
        return new Builder();
    }

    public Builder toBuilder() {
        return new Builder(this);
    }

    public static DecryptionMaterialsRequest fromCiphertextHeaders(CiphertextHeaders headers) {
        return newBuilder()
                .setAlgorithm(headers.getCryptoAlgoId())
                .setEncryptionContext(headers.getEncryptionContextMap())
                .setEncryptedDataKeys(headers.getEncryptedKeyBlobs())
                .build();
    }

    public static final class Builder {
        private CryptoAlgorithm algorithm;
        private Map encryptionContext;
        private List encryptedDataKeys;

        private Builder(DecryptionMaterialsRequest request) {
            this.algorithm = request.getAlgorithm();
            this.encryptedDataKeys = request.getEncryptedDataKeys();
            this.encryptedDataKeys = request.getEncryptedDataKeys();
        }

        private Builder() {}

        public DecryptionMaterialsRequest build() {
            return new DecryptionMaterialsRequest(this);
        }

        public CryptoAlgorithm getAlgorithm() {
            return algorithm;
        }

        public Builder setAlgorithm(CryptoAlgorithm algorithm) {
            this.algorithm = algorithm;
            return this;
        }

        public Map getEncryptionContext() {
            return encryptionContext;
        }

        public Builder setEncryptionContext(Map encryptionContext) {
            this.encryptionContext = Collections.unmodifiableMap(new HashMap<>(encryptionContext));
            return this;
        }

        public List getEncryptedDataKeys() {
            return encryptedDataKeys;
        }

        public Builder setEncryptedDataKeys(List encryptedDataKeys) {
            this.encryptedDataKeys = Collections.unmodifiableList(new ArrayList<>(encryptedDataKeys));
            return this;
        }
    }
}