com.hubspot.slack.client.methods.params.chat.ChatUnfurlParams Maven / Gradle / Ivy
package com.hubspot.slack.client.methods.params.chat;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.hubspot.immutables.validation.InvalidImmutableStateException;
import com.hubspot.slack.client.methods.interceptor.HasChannel;
import com.hubspot.slack.client.models.ChatUnfurlBlocksOrAttachment;
import com.hubspot.slack.client.models.json.BlockOrAttachmentDeserializer;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.NotThreadSafe;
import org.immutables.value.Generated;
/**
* Immutable implementation of {@link ChatUnfurlParamsIF}.
*
* Use the builder to create immutable instances:
* {@code ChatUnfurlParams.builder()}.
*/
@Generated(from = "ChatUnfurlParamsIF", generator = "Immutables")
@SuppressWarnings({"all"})
@SuppressFBWarnings
@ParametersAreNonnullByDefault
@javax.annotation.processing.Generated("org.immutables.processor.ProxyProcessor")
@Immutable
public final class ChatUnfurlParams implements ChatUnfurlParamsIF {
private final String channelId;
private final String ts;
private final Map unfurls;
private final @Nullable Boolean userAuthRequired;
private final @Nullable String userAuthMessage;
private final @Nullable URI userAuthUrl;
private ChatUnfurlParams(
String channelId,
String ts,
Map unfurls,
@Nullable Boolean userAuthRequired,
@Nullable String userAuthMessage,
@Nullable URI userAuthUrl) {
this.channelId = channelId;
this.ts = ts;
this.unfurls = unfurls;
this.userAuthRequired = userAuthRequired;
this.userAuthMessage = userAuthMessage;
this.userAuthUrl = userAuthUrl;
}
/**
* @return The value of the {@code channelId} attribute
*/
@JsonProperty("channel")
@Override
public String getChannelId() {
return channelId;
}
/**
* @return The value of the {@code ts} attribute
*/
@JsonProperty
@Override
public String getTs() {
return ts;
}
/**
* @return The value of the {@code unfurls} attribute
*/
@JsonProperty
@JsonDeserialize(contentUsing = BlockOrAttachmentDeserializer.class)
@Override
public Map getUnfurls() {
return unfurls;
}
/**
* @return The value of the {@code userAuthRequired} attribute
*/
@JsonProperty
@Override
public Optional isUserAuthRequired() {
return Optional.ofNullable(userAuthRequired);
}
/**
* @return The value of the {@code userAuthMessage} attribute
*/
@JsonProperty
@Override
public Optional getUserAuthMessage() {
return Optional.ofNullable(userAuthMessage);
}
/**
* @return The value of the {@code userAuthUrl} attribute
*/
@JsonProperty
@Override
public Optional getUserAuthUrl() {
return Optional.ofNullable(userAuthUrl);
}
/**
* Copy the current immutable object by setting a value for the {@link ChatUnfurlParamsIF#getChannelId() channelId} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for channelId
* @return A modified copy of the {@code this} object
*/
public final ChatUnfurlParams withChannelId(String value) {
String newValue = Objects.requireNonNull(value, "channelId");
if (this.channelId.equals(newValue)) return this;
return new ChatUnfurlParams(newValue, this.ts, this.unfurls, this.userAuthRequired, this.userAuthMessage, this.userAuthUrl);
}
/**
* Copy the current immutable object by setting a value for the {@link ChatUnfurlParamsIF#getTs() ts} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for ts
* @return A modified copy of the {@code this} object
*/
public final ChatUnfurlParams withTs(String value) {
String newValue = Objects.requireNonNull(value, "ts");
if (this.ts.equals(newValue)) return this;
return new ChatUnfurlParams(
this.channelId,
newValue,
this.unfurls,
this.userAuthRequired,
this.userAuthMessage,
this.userAuthUrl);
}
/**
* Copy the current immutable object by replacing the {@link ChatUnfurlParamsIF#getUnfurls() unfurls} map with the specified map.
* Nulls are not permitted as keys or values.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param entries The entries to be added to the unfurls map
* @return A modified copy of {@code this} object
*/
public final ChatUnfurlParams withUnfurls(Map entries) {
if (this.unfurls == entries) return this;
Map newValue = createUnmodifiableMap(true, false, entries);
return new ChatUnfurlParams(
this.channelId,
this.ts,
newValue,
this.userAuthRequired,
this.userAuthMessage,
this.userAuthUrl);
}
/**
* Copy the current immutable object by setting a present value for the optional {@link ChatUnfurlParamsIF#isUserAuthRequired() userAuthRequired} attribute.
* @param value The value for userAuthRequired, {@code null} is accepted as {@code java.util.Optional.empty()}
* @return A modified copy of {@code this} object
*/
public final ChatUnfurlParams withUserAuthRequired(@Nullable Boolean value) {
@Nullable Boolean newValue = value;
if (Objects.equals(this.userAuthRequired, newValue)) return this;
return new ChatUnfurlParams(this.channelId, this.ts, this.unfurls, newValue, this.userAuthMessage, this.userAuthUrl);
}
/**
* Copy the current immutable object by setting an optional value for the {@link ChatUnfurlParamsIF#isUserAuthRequired() userAuthRequired} attribute.
* An equality check is used on inner nullable value to prevent copying of the same value by returning {@code this}.
* @param optional A value for userAuthRequired
* @return A modified copy of {@code this} object
*/
public final ChatUnfurlParams withUserAuthRequired(Optional optional) {
@Nullable Boolean value = optional.orElse(null);
if (Objects.equals(this.userAuthRequired, value)) return this;
return new ChatUnfurlParams(this.channelId, this.ts, this.unfurls, value, this.userAuthMessage, this.userAuthUrl);
}
/**
* Copy the current immutable object by setting a present value for the optional {@link ChatUnfurlParamsIF#getUserAuthMessage() userAuthMessage} attribute.
* @param value The value for userAuthMessage, {@code null} is accepted as {@code java.util.Optional.empty()}
* @return A modified copy of {@code this} object
*/
public final ChatUnfurlParams withUserAuthMessage(@Nullable String value) {
@Nullable String newValue = value;
if (Objects.equals(this.userAuthMessage, newValue)) return this;
return new ChatUnfurlParams(this.channelId, this.ts, this.unfurls, this.userAuthRequired, newValue, this.userAuthUrl);
}
/**
* Copy the current immutable object by setting an optional value for the {@link ChatUnfurlParamsIF#getUserAuthMessage() userAuthMessage} attribute.
* An equality check is used on inner nullable value to prevent copying of the same value by returning {@code this}.
* @param optional A value for userAuthMessage
* @return A modified copy of {@code this} object
*/
public final ChatUnfurlParams withUserAuthMessage(Optional optional) {
@Nullable String value = optional.orElse(null);
if (Objects.equals(this.userAuthMessage, value)) return this;
return new ChatUnfurlParams(this.channelId, this.ts, this.unfurls, this.userAuthRequired, value, this.userAuthUrl);
}
/**
* Copy the current immutable object by setting a present value for the optional {@link ChatUnfurlParamsIF#getUserAuthUrl() userAuthUrl} attribute.
* @param value The value for userAuthUrl, {@code null} is accepted as {@code java.util.Optional.empty()}
* @return A modified copy of {@code this} object
*/
public final ChatUnfurlParams withUserAuthUrl(@Nullable URI value) {
@Nullable URI newValue = value;
if (this.userAuthUrl == newValue) return this;
return new ChatUnfurlParams(this.channelId, this.ts, this.unfurls, this.userAuthRequired, this.userAuthMessage, newValue);
}
/**
* Copy the current immutable object by setting an optional value for the {@link ChatUnfurlParamsIF#getUserAuthUrl() userAuthUrl} attribute.
* A shallow reference equality check is used on unboxed optional value to prevent copying of the same value by returning {@code this}.
* @param optional A value for userAuthUrl
* @return A modified copy of {@code this} object
*/
@SuppressWarnings("unchecked") // safe covariant cast
public final ChatUnfurlParams withUserAuthUrl(Optional optional) {
@Nullable URI value = optional.orElse(null);
if (this.userAuthUrl == value) return this;
return new ChatUnfurlParams(this.channelId, this.ts, this.unfurls, this.userAuthRequired, this.userAuthMessage, value);
}
/**
* This instance is equal to all instances of {@code ChatUnfurlParams} that have equal attribute values.
* @return {@code true} if {@code this} is equal to {@code another} instance
*/
@Override
public boolean equals(@Nullable Object another) {
if (this == another) return true;
return another instanceof ChatUnfurlParams
&& equalTo(0, (ChatUnfurlParams) another);
}
private boolean equalTo(int synthetic, ChatUnfurlParams another) {
return channelId.equals(another.channelId)
&& ts.equals(another.ts)
&& unfurls.equals(another.unfurls)
&& Objects.equals(userAuthRequired, another.userAuthRequired)
&& Objects.equals(userAuthMessage, another.userAuthMessage)
&& Objects.equals(userAuthUrl, another.userAuthUrl);
}
/**
* Computes a hash code from attributes: {@code channelId}, {@code ts}, {@code unfurls}, {@code userAuthRequired}, {@code userAuthMessage}, {@code userAuthUrl}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + channelId.hashCode();
h += (h << 5) + ts.hashCode();
h += (h << 5) + unfurls.hashCode();
h += (h << 5) + Objects.hashCode(userAuthRequired);
h += (h << 5) + Objects.hashCode(userAuthMessage);
h += (h << 5) + Objects.hashCode(userAuthUrl);
return h;
}
/**
* Prints the immutable value {@code ChatUnfurlParams} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
StringBuilder builder = new StringBuilder("ChatUnfurlParams{");
builder.append("channelId=").append(channelId);
builder.append(", ");
builder.append("ts=").append(ts);
builder.append(", ");
builder.append("unfurls=").append(unfurls);
if (userAuthRequired != null) {
builder.append(", ");
builder.append("userAuthRequired=").append(userAuthRequired);
}
if (userAuthMessage != null) {
builder.append(", ");
builder.append("userAuthMessage=").append(userAuthMessage);
}
if (userAuthUrl != null) {
builder.append(", ");
builder.append("userAuthUrl=").append(userAuthUrl);
}
return builder.append("}").toString();
}
/**
* Utility type used to correctly read immutable object from JSON representation.
* @deprecated Do not use this type directly, it exists only for the Jackson-binding infrastructure
*/
@Generated(from = "ChatUnfurlParamsIF", generator = "Immutables")
@Deprecated
@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.NONE)
static final class Json implements ChatUnfurlParamsIF {
@Nullable String channelId;
@Nullable String ts;
@Nullable Map unfurls = Collections.emptyMap();
@Nullable Optional userAuthRequired = Optional.empty();
@Nullable Optional userAuthMessage = Optional.empty();
@Nullable Optional userAuthUrl = Optional.empty();
@JsonProperty("channel")
public void setChannelId(String channelId) {
this.channelId = channelId;
}
@JsonProperty
public void setTs(String ts) {
this.ts = ts;
}
@JsonProperty
@JsonDeserialize(contentUsing = BlockOrAttachmentDeserializer.class)
public void setUnfurls(Map unfurls) {
this.unfurls = unfurls;
}
@JsonProperty
public void setUserAuthRequired(Optional userAuthRequired) {
this.userAuthRequired = userAuthRequired;
}
@JsonProperty
public void setUserAuthMessage(Optional userAuthMessage) {
this.userAuthMessage = userAuthMessage;
}
@JsonProperty
public void setUserAuthUrl(Optional userAuthUrl) {
this.userAuthUrl = userAuthUrl;
}
@Override
public String getChannelId() { throw new UnsupportedOperationException(); }
@Override
public String getTs() { throw new UnsupportedOperationException(); }
@Override
public Map getUnfurls() { throw new UnsupportedOperationException(); }
@Override
public Optional isUserAuthRequired() { throw new UnsupportedOperationException(); }
@Override
public Optional getUserAuthMessage() { throw new UnsupportedOperationException(); }
@Override
public Optional getUserAuthUrl() { throw new UnsupportedOperationException(); }
}
/**
* @param json A JSON-bindable data structure
* @return An immutable value type
* @deprecated Do not use this method directly, it exists only for the Jackson-binding infrastructure
*/
@Deprecated
@JsonCreator(mode = JsonCreator.Mode.DELEGATING)
static ChatUnfurlParams fromJson(Json json) {
ChatUnfurlParams.Builder builder = ChatUnfurlParams.builder();
if (json.channelId != null) {
builder.setChannelId(json.channelId);
}
if (json.ts != null) {
builder.setTs(json.ts);
}
if (json.unfurls != null) {
builder.putAllUnfurls(json.unfurls);
}
if (json.userAuthRequired != null) {
builder.setUserAuthRequired(json.userAuthRequired);
}
if (json.userAuthMessage != null) {
builder.setUserAuthMessage(json.userAuthMessage);
}
if (json.userAuthUrl != null) {
builder.setUserAuthUrl(json.userAuthUrl);
}
return builder.build();
}
/**
* Creates an immutable copy of a {@link ChatUnfurlParamsIF} value.
* Uses accessors to get values to initialize the new immutable instance.
* If an instance is already immutable, it is returned as is.
* @param instance The instance to copy
* @return A copied immutable ChatUnfurlParams instance
*/
public static ChatUnfurlParams copyOf(ChatUnfurlParamsIF instance) {
if (instance instanceof ChatUnfurlParams) {
return (ChatUnfurlParams) instance;
}
return ChatUnfurlParams.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ChatUnfurlParams ChatUnfurlParams}.
*
* ChatUnfurlParams.builder()
* .setChannelId(String) // required {@link ChatUnfurlParamsIF#getChannelId() channelId}
* .setTs(String) // required {@link ChatUnfurlParamsIF#getTs() ts}
* .putUnfurls|putAllUnfurls(String => com.hubspot.slack.client.models.ChatUnfurlBlocksOrAttachment) // {@link ChatUnfurlParamsIF#getUnfurls() unfurls} mappings
* .setUserAuthRequired(Boolean) // optional {@link ChatUnfurlParamsIF#isUserAuthRequired() userAuthRequired}
* .setUserAuthMessage(String) // optional {@link ChatUnfurlParamsIF#getUserAuthMessage() userAuthMessage}
* .setUserAuthUrl(java.net.URI) // optional {@link ChatUnfurlParamsIF#getUserAuthUrl() userAuthUrl}
* .build();
*
* @return A new ChatUnfurlParams builder
*/
public static ChatUnfurlParams.Builder builder() {
return new ChatUnfurlParams.Builder();
}
/**
* Builds instances of type {@link ChatUnfurlParams ChatUnfurlParams}.
* Initialize attributes and then invoke the {@link #build()} method to create an
* immutable instance.
* {@code Builder} is not thread-safe and generally should not be stored in a field or collection,
* but instead used immediately to create instances.
*/
@Generated(from = "ChatUnfurlParamsIF", generator = "Immutables")
@NotThreadSafe
public static final class Builder {
private static final long INIT_BIT_CHANNEL_ID = 0x1L;
private static final long INIT_BIT_TS = 0x2L;
private long initBits = 0x3L;
private @Nullable String channelId;
private @Nullable String ts;
private Map unfurls = new LinkedHashMap();
private @Nullable Boolean userAuthRequired;
private @Nullable String userAuthMessage;
private @Nullable URI userAuthUrl;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code com.hubspot.slack.client.methods.interceptor.HasChannel} instance.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(HasChannel instance) {
Objects.requireNonNull(instance, "instance");
from((short) 0, (Object) instance);
return this;
}
/**
* Fill a builder with attribute values from the provided {@code com.hubspot.slack.client.methods.params.chat.ChatUnfurlParamsIF} instance.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(ChatUnfurlParamsIF instance) {
Objects.requireNonNull(instance, "instance");
from((short) 0, (Object) instance);
return this;
}
private void from(short _unused, Object object) {
long bits = 0;
if (object instanceof HasChannel) {
HasChannel instance = (HasChannel) object;
if ((bits & 0x1L) == 0) {
this.setChannelId(instance.getChannelId());
bits |= 0x1L;
}
}
if (object instanceof ChatUnfurlParamsIF) {
ChatUnfurlParamsIF instance = (ChatUnfurlParamsIF) object;
putAllUnfurls(instance.getUnfurls());
Optional userAuthUrlOptional = instance.getUserAuthUrl();
if (userAuthUrlOptional.isPresent()) {
setUserAuthUrl(userAuthUrlOptional);
}
Optional userAuthMessageOptional = instance.getUserAuthMessage();
if (userAuthMessageOptional.isPresent()) {
setUserAuthMessage(userAuthMessageOptional);
}
if ((bits & 0x1L) == 0) {
this.setChannelId(instance.getChannelId());
bits |= 0x1L;
}
Optional userAuthRequiredOptional = instance.isUserAuthRequired();
if (userAuthRequiredOptional.isPresent()) {
setUserAuthRequired(userAuthRequiredOptional);
}
this.setTs(instance.getTs());
}
}
/**
* Initializes the value for the {@link ChatUnfurlParamsIF#getChannelId() channelId} attribute.
* @param channelId The value for channelId
* @return {@code this} builder for use in a chained invocation
*/
public final Builder setChannelId(String channelId) {
this.channelId = Objects.requireNonNull(channelId, "channelId");
initBits &= ~INIT_BIT_CHANNEL_ID;
return this;
}
/**
* Initializes the value for the {@link ChatUnfurlParamsIF#getTs() ts} attribute.
* @param ts The value for ts
* @return {@code this} builder for use in a chained invocation
*/
public final Builder setTs(String ts) {
this.ts = Objects.requireNonNull(ts, "ts");
initBits &= ~INIT_BIT_TS;
return this;
}
/**
* Put one entry to the {@link ChatUnfurlParamsIF#getUnfurls() unfurls} map.
* @param key The key in the unfurls map
* @param value The associated value in the unfurls map
* @return {@code this} builder for use in a chained invocation
*/
public final Builder putUnfurls(String key, ChatUnfurlBlocksOrAttachment value) {
this.unfurls.put(
Objects.requireNonNull(key, "unfurls key"),
Objects.requireNonNull(value, value == null ? "unfurls value for key: " + key : null));
return this;
}
/**
* Put one entry to the {@link ChatUnfurlParamsIF#getUnfurls() unfurls} map. Nulls are not permitted
* @param entry The key and value entry
* @return {@code this} builder for use in a chained invocation
*/
public final Builder putUnfurls(Map.Entry entry) {
String k = entry.getKey();
ChatUnfurlBlocksOrAttachment v = entry.getValue();
this.unfurls.put(
Objects.requireNonNull(k, "unfurls key"),
Objects.requireNonNull(v, v == null ? "unfurls value for key: " + k : null));
return this;
}
/**
* Sets or replaces all mappings from the specified map as entries for the {@link ChatUnfurlParamsIF#getUnfurls() unfurls} map. Nulls are not permitted
* @param entries The entries that will be added to the unfurls map
* @return {@code this} builder for use in a chained invocation
*/
public final Builder setUnfurls(Map entries) {
this.unfurls.clear();
return putAllUnfurls(entries);
}
/**
* Put all mappings from the specified map as entries to {@link ChatUnfurlParamsIF#getUnfurls() unfurls} map. Nulls are not permitted
* @param entries The entries that will be added to the unfurls map
* @return {@code this} builder for use in a chained invocation
*/
public final Builder putAllUnfurls(Map entries) {
for (Map.Entry e : entries.entrySet()) {
String k = e.getKey();
ChatUnfurlBlocksOrAttachment v = e.getValue();
this.unfurls.put(
Objects.requireNonNull(k, "unfurls key"),
Objects.requireNonNull(v, v == null ? "unfurls value for key: " + k : null));
}
return this;
}
/**
* Initializes the optional value {@link ChatUnfurlParamsIF#isUserAuthRequired() userAuthRequired} to userAuthRequired.
* @param userAuthRequired The value for userAuthRequired, {@code null} is accepted as {@code java.util.Optional.empty()}
* @return {@code this} builder for chained invocation
*/
public final Builder setUserAuthRequired(@Nullable Boolean userAuthRequired) {
this.userAuthRequired = userAuthRequired;
return this;
}
/**
* Initializes the optional value {@link ChatUnfurlParamsIF#isUserAuthRequired() userAuthRequired} to userAuthRequired.
* @param userAuthRequired The value for userAuthRequired
* @return {@code this} builder for use in a chained invocation
*/
public final Builder setUserAuthRequired(Optional userAuthRequired) {
this.userAuthRequired = userAuthRequired.orElse(null);
return this;
}
/**
* Initializes the optional value {@link ChatUnfurlParamsIF#getUserAuthMessage() userAuthMessage} to userAuthMessage.
* @param userAuthMessage The value for userAuthMessage, {@code null} is accepted as {@code java.util.Optional.empty()}
* @return {@code this} builder for chained invocation
*/
public final Builder setUserAuthMessage(@Nullable String userAuthMessage) {
this.userAuthMessage = userAuthMessage;
return this;
}
/**
* Initializes the optional value {@link ChatUnfurlParamsIF#getUserAuthMessage() userAuthMessage} to userAuthMessage.
* @param userAuthMessage The value for userAuthMessage
* @return {@code this} builder for use in a chained invocation
*/
public final Builder setUserAuthMessage(Optional userAuthMessage) {
this.userAuthMessage = userAuthMessage.orElse(null);
return this;
}
/**
* Initializes the optional value {@link ChatUnfurlParamsIF#getUserAuthUrl() userAuthUrl} to userAuthUrl.
* @param userAuthUrl The value for userAuthUrl, {@code null} is accepted as {@code java.util.Optional.empty()}
* @return {@code this} builder for chained invocation
*/
public final Builder setUserAuthUrl(@Nullable URI userAuthUrl) {
this.userAuthUrl = userAuthUrl;
return this;
}
/**
* Initializes the optional value {@link ChatUnfurlParamsIF#getUserAuthUrl() userAuthUrl} to userAuthUrl.
* @param userAuthUrl The value for userAuthUrl
* @return {@code this} builder for use in a chained invocation
*/
public final Builder setUserAuthUrl(Optional userAuthUrl) {
this.userAuthUrl = userAuthUrl.orElse(null);
return this;
}
/**
* Builds a new {@link ChatUnfurlParams ChatUnfurlParams}.
* @return An immutable instance of ChatUnfurlParams
* @throws com.hubspot.immutables.validation.InvalidImmutableStateException if any required attributes are missing
*/
public ChatUnfurlParams build() {
checkRequiredAttributes();
return new ChatUnfurlParams(
channelId,
ts,
createUnmodifiableMap(false, false, unfurls),
userAuthRequired,
userAuthMessage,
userAuthUrl);
}
private boolean channelIdIsSet() {
return (initBits & INIT_BIT_CHANNEL_ID) == 0;
}
private boolean tsIsSet() {
return (initBits & INIT_BIT_TS) == 0;
}
private void checkRequiredAttributes() {
if (initBits != 0) {
throw new InvalidImmutableStateException(formatRequiredAttributesMessage());
}
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if (!channelIdIsSet()) attributes.add("channelId");
if (!tsIsSet()) attributes.add("ts");
return "Cannot build ChatUnfurlParams, some of required attributes are not set " + attributes;
}
}
private static Map createUnmodifiableMap(boolean checkNulls, boolean skipNulls, Map map) {
switch (map.size()) {
case 0: return Collections.emptyMap();
case 1: {
Map.Entry e = map.entrySet().iterator().next();
K k = e.getKey();
V v = e.getValue();
if (checkNulls) {
Objects.requireNonNull(k, "key");
Objects.requireNonNull(v, v == null ? "value for key: " + k : null);
}
if (skipNulls && (k == null || v == null)) {
return Collections.emptyMap();
}
return Collections.singletonMap(k, v);
}
default: {
Map linkedMap = new LinkedHashMap<>(map.size() * 4 / 3 + 1);
if (skipNulls || checkNulls) {
for (Map.Entry e : map.entrySet()) {
K k = e.getKey();
V v = e.getValue();
if (skipNulls) {
if (k == null || v == null) continue;
} else if (checkNulls) {
Objects.requireNonNull(k, "key");
Objects.requireNonNull(v, v == null ? "value for key: " + k : null);
}
linkedMap.put(k, v);
}
} else {
linkedMap.putAll(map);
}
return Collections.unmodifiableMap(linkedMap);
}
}
}
}