server/protocols/jmap-draft/src/main/java/org/apache/james/jmap/draft/model/GetMailboxesRequest.java

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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
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package org.apache.james.jmap.draft.model;

import java.util.List;
import java.util.Optional;

import org.apache.james.jmap.draft.exceptions.JmapFieldNotSupportedException;
import org.apache.james.jmap.methods.JmapRequest;
import org.apache.james.mailbox.model.MailboxId;

import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;

@JsonDeserialize(builder = GetMailboxesRequest.Builder.class)
public class GetMailboxesRequest implements JmapRequest {
    private static final String ISSUER = "GetMailboxesRequest";

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

    @JsonPOJOBuilder(withPrefix = "")
    public static class Builder {

        private String accountId;
        private Optional<ImmutableSet<MailboxProperty>> properties;
        private Optional<ImmutableList<MailboxId>> ids;

        private Builder() {
            ids = Optional.empty();
            properties = Optional.empty();
        }

        public Builder accountId(String accountId) {
            if (accountId != null) {
                throw new JmapFieldNotSupportedException(ISSUER, "accountId");
            }
            return this;
        }

        public Builder ids(List<MailboxId> ids) {
            if (ids != null) {
                this.ids = Optional.of(ImmutableList.copyOf(ids));
            }
            return this;
        }

        public Builder properties(List<String> properties) {
            this.properties = Optional.of(
                properties.stream()
                    .map(MailboxProperty::findProperty)
                    .flatMap(Optional::stream)
                    .collect(ImmutableSet.toImmutableSet()));
            return this;
        }
        
        public GetMailboxesRequest build() {
            return new GetMailboxesRequest(Optional.ofNullable(accountId), ids, properties);
        }
    }

    private final Optional<String> accountId;
    private final Optional<ImmutableList<MailboxId>> ids;
    private final Optional<ImmutableSet<MailboxProperty>> properties;

    private GetMailboxesRequest(Optional<String> accountId, Optional<ImmutableList<MailboxId>> ids, Optional<ImmutableSet<MailboxProperty>> properties) {
        this.accountId = accountId;
        this.ids = ids;
        this.properties = properties;
    }

    public Optional<String> getAccountId() {
        return accountId;
    }

    public Optional<ImmutableList<MailboxId>> getIds() {
        return ids;
    }

    public Optional<ImmutableSet<MailboxProperty>> getProperties() {
        return properties;
    }
}