org.apache.james.jmap.model.GetMessagesResponse Maven / Gradle / Ivy
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package org.apache.james.jmap.model;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import org.apache.james.jmap.methods.Method;
import org.apache.james.mailbox.model.MessageId;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
@JsonDeserialize(builder = GetMessagesResponse.Builder.class)
public class GetMessagesResponse implements Method.Response {
public static Builder builder() {
return new Builder();
}
@JsonPOJOBuilder(withPrefix = "")
public static class Builder {
private ImmutableList messages;
private List expectedMessageIds;
private Builder() {
this.messages = ImmutableList.of();
}
@JsonIgnore
public Builder message(Message message) {
this.messages = ImmutableList.of(message);
return this;
}
public Builder messages(List messages) {
this.messages = ImmutableList.copyOf(messages);
return this;
}
public Builder expectedMessageIds(List expectedMessageIds) {
this.expectedMessageIds = ImmutableList.copyOf(expectedMessageIds);
return this;
}
public GetMessagesResponse build() {
Preconditions.checkState(messages != null);
return new GetMessagesResponse(messages, messagesNotFound());
}
private List messagesNotFound() {
Set foundMessageIds = messages.stream().map(Message::getId).collect(Collectors.toSet());
return ImmutableList.copyOf(expectedMessageIds.stream()
.filter(id -> !foundMessageIds.contains(id))
.collect(Collectors.toList()));
}
}
private final List messages;
private final List messagesNotFound;
private GetMessagesResponse(List messages, List messagesNotFound) {
this.messages = messages;
this.messagesNotFound = messagesNotFound;
}
@JsonSerialize
public List list() {
return messages;
}
@JsonSerialize
public List notFound() {
return messagesNotFound;
}
}