1 /* 2 * Copyright (C) 2013 Square, Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.squareup.okhttp.internal.framed; 17 18 public enum HeadersMode { 19 SPDY_SYN_STREAM, 20 SPDY_REPLY, 21 SPDY_HEADERS, 22 HTTP_20_HEADERS; 23 24 /** Returns true if it is an error these headers to create a new stream. */ failIfStreamAbsent()25 public boolean failIfStreamAbsent() { 26 return this == SPDY_REPLY || this == SPDY_HEADERS; 27 } 28 29 /** Returns true if it is an error these headers to update an existing stream. */ failIfStreamPresent()30 public boolean failIfStreamPresent() { 31 return this == SPDY_SYN_STREAM; 32 } 33 34 /** 35 * Returns true if it is an error these headers to be the initial headers of a 36 * response. 37 */ failIfHeadersAbsent()38 public boolean failIfHeadersAbsent() { 39 return this == SPDY_HEADERS; 40 } 41 42 /** 43 * Returns true if it is an error these headers to be update existing headers 44 * of a response. 45 */ failIfHeadersPresent()46 public boolean failIfHeadersPresent() { 47 return this == SPDY_REPLY; 48 } 49 } 50