Wed, 31 Dec 2014 07:22:50 +0100
Correct previous dual key logic pending first delivery installment.
michael@0 | 1 | /* |
michael@0 | 2 | * ==================================================================== |
michael@0 | 3 | * Licensed to the Apache Software Foundation (ASF) under one |
michael@0 | 4 | * or more contributor license agreements. See the NOTICE file |
michael@0 | 5 | * distributed with this work for additional information |
michael@0 | 6 | * regarding copyright ownership. The ASF licenses this file |
michael@0 | 7 | * to you under the Apache License, Version 2.0 (the |
michael@0 | 8 | * "License"); you may not use this file except in compliance |
michael@0 | 9 | * with the License. You may obtain a copy of the License at |
michael@0 | 10 | * |
michael@0 | 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
michael@0 | 12 | * |
michael@0 | 13 | * Unless required by applicable law or agreed to in writing, |
michael@0 | 14 | * software distributed under the License is distributed on an |
michael@0 | 15 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
michael@0 | 16 | * KIND, either express or implied. See the License for the |
michael@0 | 17 | * specific language governing permissions and limitations |
michael@0 | 18 | * under the License. |
michael@0 | 19 | * ==================================================================== |
michael@0 | 20 | * |
michael@0 | 21 | * This software consists of voluntary contributions made by many |
michael@0 | 22 | * individuals on behalf of the Apache Software Foundation. For more |
michael@0 | 23 | * information on the Apache Software Foundation, please see |
michael@0 | 24 | * <http://www.apache.org/>. |
michael@0 | 25 | * |
michael@0 | 26 | */ |
michael@0 | 27 | |
michael@0 | 28 | package ch.boye.httpclientandroidlib.protocol; |
michael@0 | 29 | |
michael@0 | 30 | /** |
michael@0 | 31 | * {@link HttpContext} implementation that delegates resolution of an attribute |
michael@0 | 32 | * to the given default {@link HttpContext} instance if the attribute is not |
michael@0 | 33 | * present in the local one. The state of the local context can be mutated, |
michael@0 | 34 | * whereas the default context is treated as read-only. |
michael@0 | 35 | * |
michael@0 | 36 | * @since 4.0 |
michael@0 | 37 | */ |
michael@0 | 38 | public final class DefaultedHttpContext implements HttpContext { |
michael@0 | 39 | |
michael@0 | 40 | private final HttpContext local; |
michael@0 | 41 | private final HttpContext defaults; |
michael@0 | 42 | |
michael@0 | 43 | public DefaultedHttpContext(final HttpContext local, final HttpContext defaults) { |
michael@0 | 44 | super(); |
michael@0 | 45 | if (local == null) { |
michael@0 | 46 | throw new IllegalArgumentException("HTTP context may not be null"); |
michael@0 | 47 | } |
michael@0 | 48 | this.local = local; |
michael@0 | 49 | this.defaults = defaults; |
michael@0 | 50 | } |
michael@0 | 51 | |
michael@0 | 52 | public Object getAttribute(final String id) { |
michael@0 | 53 | Object obj = this.local.getAttribute(id); |
michael@0 | 54 | if (obj == null) { |
michael@0 | 55 | return this.defaults.getAttribute(id); |
michael@0 | 56 | } else { |
michael@0 | 57 | return obj; |
michael@0 | 58 | } |
michael@0 | 59 | } |
michael@0 | 60 | |
michael@0 | 61 | public Object removeAttribute(final String id) { |
michael@0 | 62 | return this.local.removeAttribute(id); |
michael@0 | 63 | } |
michael@0 | 64 | |
michael@0 | 65 | public void setAttribute(final String id, final Object obj) { |
michael@0 | 66 | this.local.setAttribute(id, obj); |
michael@0 | 67 | } |
michael@0 | 68 | |
michael@0 | 69 | public HttpContext getDefaults() { |
michael@0 | 70 | return this.defaults; |
michael@0 | 71 | } |
michael@0 | 72 | |
michael@0 | 73 | } |