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 * 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   *
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.james.jmap.draft.model;

import org.apache.james.jmap.draft.methods.Method;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.base.Preconditions;

public class InvocationRequest {

    public static InvocationRequest deserialize(JsonNode[] json) {
        Preconditions.checkState(json.length == 3, "should have three elements");
        Preconditions.checkState(json[0].isTextual(), "first element should be a String");
        Preconditions.checkState(json[1].isObject(), "second element should be a Json");
        Preconditions.checkState(json[2].isTextual(), "third element should be a String");
        return new InvocationRequest(Method.Request.name(json[0].textValue()), (ObjectNode) json[1], MethodCallId.of(json[2].textValue()));
    }

    private final Method.Request.Name method;
    private final ObjectNode parameters;
    private final MethodCallId methodCallId;

    protected InvocationRequest(Method.Request.Name method, ObjectNode parameters, MethodCallId methodCallId) {
        this.method = method;
        this.parameters = parameters;
        this.methodCallId = methodCallId;
    }

    public Method.Request.Name getMethodName() {
        return method;
    }

    public ObjectNode getParameters() {
        return parameters;
    }

    public MethodCallId getMethodCallId() {
        return methodCallId;
    }
}