/*
* ====================================================================
* 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
* <http://www.apache.org/>.
*
*/
package org.apache.http.protocol;
import org.apache.http.util.
Args;
/**
* {@link HttpContext} implementation that delegates resolution of an attribute
* to the given default {@link HttpContext} instance if the attribute is not
* present in the local one. The state of the local context can be mutated,
* whereas the default context is treated as read-only.
*
* @since 4.0
*
* @deprecated (4.3) no longer used.
*/
@
Deprecated
public final class
DefaultedHttpContext implements
HttpContext {
private final
HttpContext local;
private final
HttpContext defaults;
public
DefaultedHttpContext(final
HttpContext local, final
HttpContext defaults) {
super();
this.
local =
Args.
notNull(
local, "HTTP context");
this.
defaults =
defaults;
}
@
Override
public
Object getAttribute(final
String id) {
final
Object obj = this.
local.
getAttribute(
id);
if (
obj == null) {
return this.
defaults.
getAttribute(
id);
} else {
return
obj;
}
}
@
Override
public
Object removeAttribute(final
String id) {
return this.
local.
removeAttribute(
id);
}
@
Override
public void
setAttribute(final
String id, final
Object obj) {
this.
local.
setAttribute(
id,
obj);
}
public
HttpContext getDefaults() {
return this.
defaults;
}
@
Override
public
String toString() {
final
StringBuilder buf = new
StringBuilder();
buf.
append("[local: ").
append(this.
local);
buf.
append("defaults: ").
append(this.
defaults);
buf.
append("]");
return
buf.
toString();
}
}