author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 42460 | jdk/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/internal/common/Log.java@7133f144981a |
child 48083 | b1c1b4ef4be2 |
child 55763 | 634d8e14c172 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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package jdk.incubator.http.internal.common; |
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|
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import java.io.IOException; |
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import jdk.incubator.http.HttpHeaders; |
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import java.util.List; |
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import java.util.Locale; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.function.Supplier; |
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import jdk.incubator.http.internal.frame.DataFrame; |
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import jdk.incubator.http.internal.frame.Http2Frame; |
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import jdk.incubator.http.internal.frame.WindowUpdateFrame; |
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|
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/** |
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* -Djava.net.HttpClient.log= |
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* errors,requests,headers, |
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* frames[:control:data:window:all..],content,ssl,trace |
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* |
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* Any of errors, requests, headers or content are optional. |
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* |
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* Other handlers may be added. All logging is at level INFO |
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* |
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* Logger name is "jdk.httpclient.HttpClient" |
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*/ |
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// implements System.Logger in order to be skipped when printing the caller's |
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// information |
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public abstract class Log implements System.Logger { |
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|
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static final String logProp = "jdk.httpclient.HttpClient.log"; |
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|
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public static final int OFF = 0; |
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public static final int ERRORS = 0x1; |
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public static final int REQUESTS = 0x2; |
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public static final int HEADERS = 0x4; |
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public static final int CONTENT = 0x8; |
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public static final int FRAMES = 0x10; |
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public static final int SSL = 0x20; |
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public static final int TRACE = 0x40; |
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static int logging; |
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|
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// Frame types: "control", "data", "window", "all" |
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public static final int CONTROL = 1; // all except DATA and WINDOW_UPDATES |
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public static final int DATA = 2; |
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public static final int WINDOW_UPDATES = 4; |
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public static final int ALL = CONTROL| DATA | WINDOW_UPDATES; |
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static int frametypes; |
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|
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static final System.Logger logger; |
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|
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static { |
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String s = Utils.getNetProperty(logProp); |
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if (s == null) { |
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logging = OFF; |
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} else { |
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String[] vals = s.split(","); |
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for (String val : vals) { |
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switch (val.toLowerCase(Locale.US)) { |
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case "errors": |
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logging |= ERRORS; |
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break; |
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case "requests": |
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logging |= REQUESTS; |
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break; |
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case "headers": |
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logging |= HEADERS; |
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break; |
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case "content": |
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logging |= CONTENT; |
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break; |
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case "ssl": |
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logging |= SSL; |
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break; |
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case "trace": |
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logging |= TRACE; |
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break; |
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case "all": |
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logging |= CONTENT|HEADERS|REQUESTS|FRAMES|ERRORS|TRACE|SSL; |
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break; |
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} |
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if (val.startsWith("frames")) { |
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logging |= FRAMES; |
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String[] types = val.split(":"); |
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if (types.length == 1) { |
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frametypes = CONTROL | DATA | WINDOW_UPDATES; |
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} else { |
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for (String type : types) { |
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switch (type.toLowerCase()) { |
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case "control": |
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frametypes |= CONTROL; |
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break; |
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case "data": |
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frametypes |= DATA; |
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break; |
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case "window": |
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frametypes |= WINDOW_UPDATES; |
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break; |
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case "all": |
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frametypes = ALL; |
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break; |
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} |
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126 |
} |
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} |
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} |
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} |
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} |
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if (logging != OFF) { |
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logger = System.getLogger("jdk.httpclient.HttpClient"); |
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} else { |
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logger = null; |
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} |
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} |
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public static boolean errors() { |
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return (logging & ERRORS) != 0; |
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} |
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|
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public static boolean requests() { |
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return (logging & REQUESTS) != 0; |
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} |
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|
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public static boolean headers() { |
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return (logging & HEADERS) != 0; |
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} |
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|
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public static boolean trace() { |
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return (logging & TRACE) != 0; |
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} |
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|
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public static boolean ssl() { |
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return (logging & SSL) != 0; |
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} |
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|
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public static boolean frames() { |
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return (logging & FRAMES) != 0; |
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} |
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|
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public static void logError(String s, Object... s1) { |
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if (errors()) { |
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logger.log(Level.INFO, "ERROR: " + s, s1); |
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} |
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} |
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|
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public static void logError(Throwable t) { |
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if (errors()) { |
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String s = Utils.stackTrace(t); |
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logger.log(Level.INFO, "ERROR: " + s); |
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} |
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} |
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|
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public static void logSSL(String s, Object... s1) { |
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if (ssl()) { |
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logger.log(Level.INFO, "SSL: " + s, s1); |
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} |
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} |
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|
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public static void logSSL(Supplier<String> msgSupplier) { |
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if (ssl()) { |
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logger.log(Level.INFO, "SSL: " + msgSupplier.get()); |
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} |
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184 |
} |
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185 |
|
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public static void logTrace(String s, Object... s1) { |
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if (trace()) { |
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String format = "TRACE: " + s; |
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logger.log(Level.INFO, format, s1); |
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190 |
} |
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191 |
} |
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|
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public static void logRequest(String s, Object... s1) { |
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if (requests()) { |
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|
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logger.log(Level.INFO, "REQUEST: " + s, s1); |
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} |
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197 |
} |
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|
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|
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public static void logResponse(String s, Object... s1) { |
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|
200 |
if (requests()) { |
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|
201 |
logger.log(Level.INFO, "RESPONSE: " + s, s1); |
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202 |
} |
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|
203 |
} |
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|
204 |
|
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205 |
public static void logHeaders(String s, Object... s1) { |
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|
206 |
if (headers()) { |
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|
207 |
logger.log(Level.INFO, "HEADERS: " + s, s1); |
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208 |
} |
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|
209 |
} |
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|
210 |
|
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211 |
public static boolean loggingFrame(Class<? extends Http2Frame> clazz) { |
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if (frametypes == ALL) { |
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|
213 |
return true; |
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|
214 |
} |
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215 |
if (clazz == DataFrame.class) { |
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216 |
return (frametypes & DATA) != 0; |
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} else if (clazz == WindowUpdateFrame.class) { |
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return (frametypes & WINDOW_UPDATES) != 0; |
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|
219 |
} else { |
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|
220 |
return (frametypes & CONTROL) != 0; |
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|
221 |
} |
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|
222 |
} |
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|
223 |
|
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224 |
public static void logFrames(Http2Frame f, String direction) { |
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|
225 |
if (frames() && loggingFrame(f.getClass())) { |
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226 |
logger.log(Level.INFO, "FRAME: " + direction + ": " + f.toString()); |
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227 |
} |
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|
228 |
} |
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229 |
|
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230 |
public static void dumpHeaders(StringBuilder sb, String prefix, HttpHeaders headers) { |
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|
231 |
if (headers != null) { |
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|
232 |
Map<String,List<String>> h = headers.map(); |
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233 |
Set<Map.Entry<String,List<String>>> entries = h.entrySet(); |
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for (Map.Entry<String,List<String>> entry : entries) { |
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|
235 |
String key = entry.getKey(); |
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|
236 |
List<String> values = entry.getValue(); |
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|
237 |
sb.append(prefix).append(key).append(":"); |
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|
238 |
for (String value : values) { |
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|
239 |
sb.append(' ').append(value); |
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|
240 |
} |
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|
241 |
sb.append('\n'); |
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|
242 |
} |
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|
243 |
} |
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|
244 |
} |
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|
245 |
|
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|
246 |
|
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|
247 |
// not instantiable |
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248 |
private Log() {} |
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|
249 |
} |