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Apache HttpComponents Client
/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* 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
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* targetPreferredAuthSchemes;
private final Collection proxyPreferredAuthSchemes;
private final Timeout connectionRequestTimeout;
private final Timeout connectTimeout;
private final Timeout responseTimeout;
private final TimeValue connectionKeepAlive;
private final boolean contentCompressionEnabled;
private final boolean hardCancellationEnabled;
/**
* Intended for CDI compatibility
*/
protected RequestConfig() {
this(false, null, null, false, false, 0, false, null, null,
DEFAULT_CONNECTION_REQUEST_TIMEOUT, DEFAULT_CONNECT_TIMEOUT, null, DEFAULT_CONN_KEEP_ALIVE, false, false);
}
RequestConfig(
final boolean expectContinueEnabled,
final HttpHost proxy,
final String cookieSpec,
final boolean redirectsEnabled,
final boolean circularRedirectsAllowed,
final int maxRedirects,
final boolean authenticationEnabled,
final Collection targetPreferredAuthSchemes,
final Collection proxyPreferredAuthSchemes,
final Timeout connectionRequestTimeout,
final Timeout connectTimeout,
final Timeout responseTimeout,
final TimeValue connectionKeepAlive,
final boolean contentCompressionEnabled,
final boolean hardCancellationEnabled) {
super();
this.expectContinueEnabled = expectContinueEnabled;
this.proxy = proxy;
this.cookieSpec = cookieSpec;
this.redirectsEnabled = redirectsEnabled;
this.circularRedirectsAllowed = circularRedirectsAllowed;
this.maxRedirects = maxRedirects;
this.authenticationEnabled = authenticationEnabled;
this.targetPreferredAuthSchemes = targetPreferredAuthSchemes;
this.proxyPreferredAuthSchemes = proxyPreferredAuthSchemes;
this.connectionRequestTimeout = connectionRequestTimeout;
this.connectTimeout = connectTimeout;
this.responseTimeout = responseTimeout;
this.connectionKeepAlive = connectionKeepAlive;
this.contentCompressionEnabled = contentCompressionEnabled;
this.hardCancellationEnabled = hardCancellationEnabled;
}
/**
* @see Builder#setExpectContinueEnabled(boolean)
*/
public boolean isExpectContinueEnabled() {
return expectContinueEnabled;
}
/**
* @see Builder#setProxy(HttpHost)
*/
public HttpHost getProxy() {
return proxy;
}
/**
* @see Builder#setCookieSpec(String)
*/
public String getCookieSpec() {
return cookieSpec;
}
/**
* @see Builder#setRedirectsEnabled(boolean)
*/
public boolean isRedirectsEnabled() {
return redirectsEnabled;
}
/**
* @see Builder#setCircularRedirectsAllowed(boolean)
*/
public boolean isCircularRedirectsAllowed() {
return circularRedirectsAllowed;
}
/**
* @see Builder#setMaxRedirects(int)
*/
public int getMaxRedirects() {
return maxRedirects;
}
/**
* @see Builder#setAuthenticationEnabled(boolean)
*/
public boolean isAuthenticationEnabled() {
return authenticationEnabled;
}
/**
* @see Builder#setTargetPreferredAuthSchemes(Collection)
*/
public Collection getTargetPreferredAuthSchemes() {
return targetPreferredAuthSchemes;
}
/**
* @see Builder#setProxyPreferredAuthSchemes(Collection)
*/
public Collection getProxyPreferredAuthSchemes() {
return proxyPreferredAuthSchemes;
}
/**
* @see Builder#setConnectionRequestTimeout(Timeout)
*/
public Timeout getConnectionRequestTimeout() {
return connectionRequestTimeout;
}
/**
* @see Builder#setConnectTimeout(Timeout)
*/
public Timeout getConnectTimeout() {
return connectTimeout;
}
/**
* @see Builder#setResponseTimeout(Timeout)
*/
public Timeout getResponseTimeout() {
return responseTimeout;
}
/**
* @see Builder#setConnectionKeepAlive(TimeValue)
*/
public TimeValue getConnectionKeepAlive() {
return connectionKeepAlive;
}
/**
* @see Builder#setContentCompressionEnabled(boolean)
*/
public boolean isContentCompressionEnabled() {
return contentCompressionEnabled;
}
/**
* @see Builder#setHardCancellationEnabled(boolean)
*/
public boolean isHardCancellationEnabled() {
return hardCancellationEnabled;
}
@Override
protected RequestConfig clone() throws CloneNotSupportedException {
return (RequestConfig) super.clone();
}
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("[");
builder.append("expectContinueEnabled=").append(expectContinueEnabled);
builder.append(", proxy=").append(proxy);
builder.append(", cookieSpec=").append(cookieSpec);
builder.append(", redirectsEnabled=").append(redirectsEnabled);
builder.append(", maxRedirects=").append(maxRedirects);
builder.append(", circularRedirectsAllowed=").append(circularRedirectsAllowed);
builder.append(", authenticationEnabled=").append(authenticationEnabled);
builder.append(", targetPreferredAuthSchemes=").append(targetPreferredAuthSchemes);
builder.append(", proxyPreferredAuthSchemes=").append(proxyPreferredAuthSchemes);
builder.append(", connectionRequestTimeout=").append(connectionRequestTimeout);
builder.append(", connectTimeout=").append(connectTimeout);
builder.append(", responseTimeout=").append(responseTimeout);
builder.append(", connectionKeepAlive=").append(connectionKeepAlive);
builder.append(", contentCompressionEnabled=").append(contentCompressionEnabled);
builder.append(", hardCancellationEnabled=").append(hardCancellationEnabled);
builder.append("]");
return builder.toString();
}
public static RequestConfig.Builder custom() {
return new Builder();
}
public static RequestConfig.Builder copy(final RequestConfig config) {
return new Builder()
.setExpectContinueEnabled(config.isExpectContinueEnabled())
.setProxy(config.getProxy())
.setCookieSpec(config.getCookieSpec())
.setRedirectsEnabled(config.isRedirectsEnabled())
.setCircularRedirectsAllowed(config.isCircularRedirectsAllowed())
.setMaxRedirects(config.getMaxRedirects())
.setAuthenticationEnabled(config.isAuthenticationEnabled())
.setTargetPreferredAuthSchemes(config.getTargetPreferredAuthSchemes())
.setProxyPreferredAuthSchemes(config.getProxyPreferredAuthSchemes())
.setConnectionRequestTimeout(config.getConnectionRequestTimeout())
.setConnectTimeout(config.getConnectTimeout())
.setResponseTimeout(config.getResponseTimeout())
.setConnectionKeepAlive(config.getConnectionKeepAlive())
.setContentCompressionEnabled(config.isContentCompressionEnabled())
.setHardCancellationEnabled(config.isHardCancellationEnabled());
}
public static class Builder {
private boolean expectContinueEnabled;
private HttpHost proxy;
private String cookieSpec;
private boolean redirectsEnabled;
private boolean circularRedirectsAllowed;
private int maxRedirects;
private boolean authenticationEnabled;
private Collection targetPreferredAuthSchemes;
private Collection proxyPreferredAuthSchemes;
private Timeout connectionRequestTimeout;
private Timeout connectTimeout;
private Timeout responseTimeout;
private TimeValue connectionKeepAlive;
private boolean contentCompressionEnabled;
private boolean hardCancellationEnabled;
Builder() {
super();
this.redirectsEnabled = true;
this.maxRedirects = 50;
this.authenticationEnabled = true;
this.connectionRequestTimeout = DEFAULT_CONNECTION_REQUEST_TIMEOUT;
this.connectTimeout = DEFAULT_CONNECT_TIMEOUT;
this.contentCompressionEnabled = true;
this.hardCancellationEnabled = true;
}
/**
* Determines whether the 'Expect: 100-Continue' handshake is enabled
* for entity enclosing methods. The purpose of the 'Expect: 100-Continue'
* handshake is to allow a client that is sending a request message with
* a request body to determine if the origin server is willing to
* accept the request (based on the request headers) before the client
* sends the request body.
*
* The use of the 'Expect: 100-continue' handshake can result in
* a noticeable performance improvement for entity enclosing requests
* (such as POST and PUT) that require the target server's
* authentication.
*
*
* 'Expect: 100-continue' handshake should be used with caution, as it
* may cause problems with HTTP servers and proxies that do not support
* HTTP/1.1 protocol.
*
*
* Default: {@code false}
*
*/
public Builder setExpectContinueEnabled(final boolean expectContinueEnabled) {
this.expectContinueEnabled = expectContinueEnabled;
return this;
}
/**
* Returns HTTP proxy to be used for request execution.
*
* Default: {@code null}
*
*/
public Builder setProxy(final HttpHost proxy) {
this.proxy = proxy;
return this;
}
/**
* Determines the name of the cookie specification to be used for HTTP state
* management.
*
* Default: {@code null}
*
*/
public Builder setCookieSpec(final String cookieSpec) {
this.cookieSpec = cookieSpec;
return this;
}
/**
* Determines whether redirects should be handled automatically.
*
* Default: {@code true}
*
*/
public Builder setRedirectsEnabled(final boolean redirectsEnabled) {
this.redirectsEnabled = redirectsEnabled;
return this;
}
/**
* Determines whether circular redirects (redirects to the same location) should
* be allowed. The HTTP spec is not sufficiently clear whether circular redirects
* are permitted, therefore optionally they can be enabled
*
* Default: {@code false}
*
*/
public Builder setCircularRedirectsAllowed(final boolean circularRedirectsAllowed) {
this.circularRedirectsAllowed = circularRedirectsAllowed;
return this;
}
/**
* Returns the maximum number of redirects to be followed. The limit on number
* of redirects is intended to prevent infinite loops.
*
* Default: {@code 50}
*
*/
public Builder setMaxRedirects(final int maxRedirects) {
this.maxRedirects = maxRedirects;
return this;
}
/**
* Determines whether authentication should be handled automatically.
*
* Default: {@code true}
*
*/
public Builder setAuthenticationEnabled(final boolean authenticationEnabled) {
this.authenticationEnabled = authenticationEnabled;
return this;
}
/**
* Determines the order of preference for supported authentication schemes
* by their names when authenticating with the target host.
*
* Default: {@code null}
*
*/
public Builder setTargetPreferredAuthSchemes(final Collection targetPreferredAuthSchemes) {
this.targetPreferredAuthSchemes = targetPreferredAuthSchemes;
return this;
}
/**
* Determines the order of preference for supported authentication schemes
* by their names when authenticating with the proxy host.
*
* Default: {@code null}
*
*/
public Builder setProxyPreferredAuthSchemes(final Collection proxyPreferredAuthSchemes) {
this.proxyPreferredAuthSchemes = proxyPreferredAuthSchemes;
return this;
}
/**
* Returns the connection lease request timeout used when requesting
* a connection from the connection manager.
*
* A timeout value of zero is interpreted as an infinite timeout.
*
*
* Default: 3 minutes.
*
*/
public Builder setConnectionRequestTimeout(final Timeout connectionRequestTimeout) {
this.connectionRequestTimeout = connectionRequestTimeout;
return this;
}
/**
* @see #setConnectionRequestTimeout(Timeout)
*/
public Builder setConnectionRequestTimeout(final long connectionRequestTimeout, final TimeUnit timeUnit) {
this.connectionRequestTimeout = Timeout.of(connectionRequestTimeout, timeUnit);
return this;
}
/**
* Determines the timeout until a new connection is fully established.
* This may also include transport security negotiation exchanges
* such as {@code SSL} or {@code TLS} protocol negotiation).
*
* A timeout value of zero is interpreted as an infinite timeout.
*
*
* Default: 3 minutes
*
*/
public Builder setConnectTimeout(final Timeout connectTimeout) {
this.connectTimeout = connectTimeout;
return this;
}
/**
* @see #setConnectTimeout(Timeout)
*/
public Builder setConnectTimeout(final long connectTimeout, final TimeUnit timeUnit) {
this.connectTimeout = Timeout.of(connectTimeout, timeUnit);
return this;
}
/**
* Determines the timeout until arrival of a response from the opposite
* endpoint.
*
* A timeout value of zero is interpreted as an infinite timeout.
*
*
* Please note that response timeout may be unsupported by
* HTTP transports with message multiplexing.
*
*
* Default: {@code null}
*
*
* @since 5.0
*/
public Builder setResponseTimeout(final Timeout responseTimeout) {
this.responseTimeout = responseTimeout;
return this;
}
/**
* @see #setResponseTimeout(Timeout)
*/
public Builder setResponseTimeout(final long responseTimeout, final TimeUnit timeUnit) {
this.responseTimeout = Timeout.of(responseTimeout, timeUnit);
return this;
}
/**
* Determines the default of value of connection keep-alive time period when not
* explicitly communicated by the origin server with a {@code Keep-Alive} response
* header.
*
* A negative value is interpreted as an infinite keep-alive period.
*
*
* Default: 3 minutes
*
*
* @since 5.0
*/
public Builder setConnectionKeepAlive(final TimeValue connectionKeepAlive) {
this.connectionKeepAlive = connectionKeepAlive;
return this;
}
/**
* @see #setConnectionKeepAlive(TimeValue)
*/
public Builder setDefaultKeepAlive(final long defaultKeepAlive, final TimeUnit timeUnit) {
this.connectionKeepAlive = TimeValue.of(defaultKeepAlive, timeUnit);
return this;
}
/**
* Determines whether the target server is requested to compress content.
*
* Default: {@code true}
*
*
* @since 4.5
*/
public Builder setContentCompressionEnabled(final boolean contentCompressionEnabled) {
this.contentCompressionEnabled = contentCompressionEnabled;
return this;
}
/**
* Determines whether request cancellation, such as through {@code
* Future#cancel(boolean)}, should kill the underlying connection. If this
* option is set to false, the client will attempt to preserve the
* underlying connection by allowing the request to complete in the
* background, discarding the response.
*
* Note that when this option is {@code true}, cancelling a request may
* cause other requests to fail, if they are waiting to use the same
* connection.
*
*
* On HTTP/2, this option has no effect. Request cancellation will always
* result in the stream being cancelled with a {@code RST_STREAM}. This
* has no effect on connection reuse.
*
*
* On non-asynchronous clients, this option has no effect. Request
* cancellation, such as through {@code HttpUriRequestBase#cancel()}, will
* always kill the underlying connection.
*
*
* Default: {@code true}
*
*
* @since 5.0
*/
public Builder setHardCancellationEnabled(final boolean hardCancellationEnabled) {
this.hardCancellationEnabled = hardCancellationEnabled;
return this;
}
public RequestConfig build() {
return new RequestConfig(
expectContinueEnabled,
proxy,
cookieSpec,
redirectsEnabled,
circularRedirectsAllowed,
maxRedirects,
authenticationEnabled,
targetPreferredAuthSchemes,
proxyPreferredAuthSchemes,
connectionRequestTimeout != null ? connectionRequestTimeout : DEFAULT_CONNECTION_REQUEST_TIMEOUT,
connectTimeout != null ? connectTimeout : DEFAULT_CONNECT_TIMEOUT,
responseTimeout,
connectionKeepAlive != null ? connectionKeepAlive : DEFAULT_CONN_KEEP_ALIVE,
contentCompressionEnabled,
hardCancellationEnabled);
}
}
}
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