io.helidon.webclient.http1.Http1ClientProtocolConfig Maven / Gradle / Ivy
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/*
* Copyright (c) 2024 Oracle and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.helidon.webclient.http1;
import java.util.Objects;
import java.util.Optional;
import io.helidon.builder.api.Prototype;
import io.helidon.common.Generated;
import io.helidon.common.config.Config;
/**
* Configuration of an HTTP/1.1 client.
*
* @see #builder()
* @see #create()
*/
@Generated(value = "io.helidon.builder.codegen.BuilderCodegen", trigger = "io.helidon.webclient.http1.Http1ClientProtocolConfigBlueprint")
public interface Http1ClientProtocolConfig extends Http1ClientProtocolConfigBlueprint, Prototype.Api {
/**
* Create a new fluent API builder to customize configuration.
*
* @return a new builder
*/
static Http1ClientProtocolConfig.Builder builder() {
return new Http1ClientProtocolConfig.Builder();
}
/**
* Create a new fluent API builder from an existing instance.
*
* @param instance an existing instance used as a base for the builder
* @return a builder based on an instance
*/
static Http1ClientProtocolConfig.Builder builder(Http1ClientProtocolConfig instance) {
return Http1ClientProtocolConfig.builder().from(instance);
}
/**
* Create a new instance from configuration.
*
* @param config used to configure the new instance
* @return a new instance configured from configuration
*/
static Http1ClientProtocolConfig create(Config config) {
return Http1ClientProtocolConfig.builder().config(config).buildPrototype();
}
/**
* Create a new instance with default values.
*
* @return a new instance
*/
static Http1ClientProtocolConfig create() {
return Http1ClientProtocolConfig.builder().buildPrototype();
}
/**
* Fluent API builder base for {@link Http1ClientProtocolConfig}.
*
* @param type of the builder extending this abstract builder
* @param type of the prototype interface that would be built by {@link #buildPrototype()}
*/
abstract class BuilderBase, PROTOTYPE extends Http1ClientProtocolConfig> implements Prototype.ConfiguredBuilder {
private boolean defaultKeepAlive = true;
private boolean validateRequestHeaders = false;
private boolean validateResponseHeaders = true;
private Config config;
private int maxHeaderSize = 16384;
private int maxStatusLineLength = 256;
private String name = "http_1_1";
/**
* Protected to support extensibility.
*/
protected BuilderBase() {
}
/**
* Update this builder from an existing prototype instance. This method disables automatic service discovery.
*
* @param prototype existing prototype to update this builder from
* @return updated builder instance
*/
public BUILDER from(Http1ClientProtocolConfig prototype) {
name(prototype.name());
defaultKeepAlive(prototype.defaultKeepAlive());
maxHeaderSize(prototype.maxHeaderSize());
maxStatusLineLength(prototype.maxStatusLineLength());
validateRequestHeaders(prototype.validateRequestHeaders());
validateResponseHeaders(prototype.validateResponseHeaders());
return self();
}
/**
* Update this builder from an existing prototype builder instance.
*
* @param builder existing builder prototype to update this builder from
* @return updated builder instance
*/
public BUILDER from(Http1ClientProtocolConfig.BuilderBase builder) {
name(builder.name());
defaultKeepAlive(builder.defaultKeepAlive());
maxHeaderSize(builder.maxHeaderSize());
maxStatusLineLength(builder.maxStatusLineLength());
validateRequestHeaders(builder.validateRequestHeaders());
validateResponseHeaders(builder.validateResponseHeaders());
return self();
}
/**
* Update builder from configuration (node of this type).
* If a value is present in configuration, it would override currently configured values.
*
* @param config configuration instance used to obtain values to update this builder
* @return updated builder instance
*/
@Override
public BUILDER config(Config config) {
Objects.requireNonNull(config);
this.config = config;
config.get("name").as(String.class).ifPresent(this::name);
config.get("default-keep-alive").as(Boolean.class).ifPresent(this::defaultKeepAlive);
config.get("max-header-size").as(Integer.class).ifPresent(this::maxHeaderSize);
config.get("max-status-line-length").as(Integer.class).ifPresent(this::maxStatusLineLength);
config.get("validate-request-headers").as(Boolean.class).ifPresent(this::validateRequestHeaders);
config.get("validate-response-headers").as(Boolean.class).ifPresent(this::validateResponseHeaders);
return self();
}
/**
*
*
* @param name
* @return updated builder instance
* @see #name()
*/
public BUILDER name(String name) {
Objects.requireNonNull(name);
this.name = name;
return self();
}
/**
* Whether to use keep alive by default.
*
* @param defaultKeepAlive {@code true} for keeping connections alive and re-using them for multiple requests (default), {@code false}
* to create a new connection for each request
* @return updated builder instance
* @see #defaultKeepAlive()
*/
public BUILDER defaultKeepAlive(boolean defaultKeepAlive) {
this.defaultKeepAlive = defaultKeepAlive;
return self();
}
/**
* Configure the maximum allowed header size of the response.
*
* @param maxHeaderSize maximum header size
* @return updated builder instance
* @see #maxHeaderSize()
*/
public BUILDER maxHeaderSize(int maxHeaderSize) {
this.maxHeaderSize = maxHeaderSize;
return self();
}
/**
* Configure the maximum allowed length of the status line from the response.
*
* @param maxStatusLineLength maximum status line length
* @return updated builder instance
* @see #maxStatusLineLength()
*/
public BUILDER maxStatusLineLength(int maxStatusLineLength) {
this.maxStatusLineLength = maxStatusLineLength;
return self();
}
/**
* Sets whether the request header format is validated or not.
*
* Defaults to {@code false} as user has control on the header creation.
*
*
* @param validateRequestHeaders whether request header validation should be enabled
* @return updated builder instance
* @see #validateRequestHeaders()
*/
public BUILDER validateRequestHeaders(boolean validateRequestHeaders) {
this.validateRequestHeaders = validateRequestHeaders;
return self();
}
/**
* Sets whether the response header format is validated or not.
*
* Defaults to {@code true}.
*
*
* @param validateResponseHeaders whether response header validation should be enabled
* @return updated builder instance
* @see #validateResponseHeaders()
*/
public BUILDER validateResponseHeaders(boolean validateResponseHeaders) {
this.validateResponseHeaders = validateResponseHeaders;
return self();
}
/**
*
*
* @return the name
*/
public String name() {
return name;
}
/**
* Whether to use keep alive by default.
*
* @return the default keep alive
*/
public boolean defaultKeepAlive() {
return defaultKeepAlive;
}
/**
* Configure the maximum allowed header size of the response.
*
* @return the max header size
*/
public int maxHeaderSize() {
return maxHeaderSize;
}
/**
* Configure the maximum allowed length of the status line from the response.
*
* @return the max status line length
*/
public int maxStatusLineLength() {
return maxStatusLineLength;
}
/**
* Sets whether the request header format is validated or not.
*
* Defaults to {@code false} as user has control on the header creation.
*
*
* @return the validate request headers
*/
public boolean validateRequestHeaders() {
return validateRequestHeaders;
}
/**
* Sets whether the response header format is validated or not.
*
* Defaults to {@code true}.
*
*
* @return the validate response headers
*/
public boolean validateResponseHeaders() {
return validateResponseHeaders;
}
/**
* If this instance was configured, this would be the config instance used.
*
* @return config node used to configure this builder, or empty if not configured
*/
public Optional config() {
return Optional.ofNullable(config);
}
@Override
public String toString() {
return "Http1ClientProtocolConfigBuilder{"
+ "name=" + name + ","
+ "defaultKeepAlive=" + defaultKeepAlive + ","
+ "maxHeaderSize=" + maxHeaderSize + ","
+ "maxStatusLineLength=" + maxStatusLineLength + ","
+ "validateRequestHeaders=" + validateRequestHeaders + ","
+ "validateResponseHeaders=" + validateResponseHeaders
+ "}";
}
/**
* Handles providers and decorators.
*/
protected void preBuildPrototype() {
}
/**
* Validates required properties.
*/
protected void validatePrototype() {
}
/**
* Generated implementation of the prototype, can be extended by descendant prototype implementations.
*/
protected static class Http1ClientProtocolConfigImpl implements Http1ClientProtocolConfig {
private final boolean defaultKeepAlive;
private final boolean validateRequestHeaders;
private final boolean validateResponseHeaders;
private final int maxHeaderSize;
private final int maxStatusLineLength;
private final String name;
/**
* Create an instance providing a builder.
*
* @param builder extending builder base of this prototype
*/
protected Http1ClientProtocolConfigImpl(Http1ClientProtocolConfig.BuilderBase builder) {
this.name = builder.name();
this.defaultKeepAlive = builder.defaultKeepAlive();
this.maxHeaderSize = builder.maxHeaderSize();
this.maxStatusLineLength = builder.maxStatusLineLength();
this.validateRequestHeaders = builder.validateRequestHeaders();
this.validateResponseHeaders = builder.validateResponseHeaders();
}
@Override
public String name() {
return name;
}
@Override
public boolean defaultKeepAlive() {
return defaultKeepAlive;
}
@Override
public int maxHeaderSize() {
return maxHeaderSize;
}
@Override
public int maxStatusLineLength() {
return maxStatusLineLength;
}
@Override
public boolean validateRequestHeaders() {
return validateRequestHeaders;
}
@Override
public boolean validateResponseHeaders() {
return validateResponseHeaders;
}
@Override
public String toString() {
return "Http1ClientProtocolConfig{"
+ "name=" + name + ","
+ "defaultKeepAlive=" + defaultKeepAlive + ","
+ "maxHeaderSize=" + maxHeaderSize + ","
+ "maxStatusLineLength=" + maxStatusLineLength + ","
+ "validateRequestHeaders=" + validateRequestHeaders + ","
+ "validateResponseHeaders=" + validateResponseHeaders
+ "}";
}
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if (!(o instanceof Http1ClientProtocolConfig other)) {
return false;
}
return Objects.equals(name, other.name())
&& defaultKeepAlive == other.defaultKeepAlive()
&& maxHeaderSize == other.maxHeaderSize()
&& maxStatusLineLength == other.maxStatusLineLength()
&& validateRequestHeaders == other.validateRequestHeaders()
&& validateResponseHeaders == other.validateResponseHeaders();
}
@Override
public int hashCode() {
return Objects.hash(name, defaultKeepAlive, maxHeaderSize, maxStatusLineLength, validateRequestHeaders, validateResponseHeaders);
}
}
}
/**
* Fluent API builder for {@link Http1ClientProtocolConfig}.
*/
class Builder extends Http1ClientProtocolConfig.BuilderBase implements io.helidon.common.Builder {
private Builder() {
}
@Override
public Http1ClientProtocolConfig buildPrototype() {
preBuildPrototype();
validatePrototype();
return new Http1ClientProtocolConfigImpl(this);
}
@Override
public Http1ClientProtocolConfig build() {
return buildPrototype();
}
}
}
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