110 lines
4.3 KiB
Java
110 lines
4.3 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package java.lang;
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import java.util.Properties;
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/**
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* A class encoding all hardcoded system property values on Android. A compiler may
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* take advantage of these properties. Changing them at load-time (-D) or runtime
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* may not have any effect.
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*
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* @hide
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*/
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public final class AndroidHardcodedSystemProperties {
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// This value is shared with sun.misc.Version. It is defined here so that the compiler
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// can use it.
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public final static String JAVA_VERSION = "0";
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final static String[][] STATIC_PROPERTIES = {
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// None of these four are meaningful on Android, but these keys are guaranteed
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// to be present for System.getProperty. For java.class.version, we use the maximum
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// class file version that dx currently supports.
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{ "java.class.version", "50.0" },
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{ "java.version", JAVA_VERSION },
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{ "java.compiler", "" },
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{ "java.ext.dirs", "" },
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{ "java.specification.name", "Dalvik Core Library" },
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{ "java.specification.vendor", "The Android Project" },
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{ "java.specification.version", "0.9" },
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{ "java.vendor", "The Android Project" },
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{ "java.vendor.url", "http://www.android.com/" },
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{ "java.vm.name", "Dalvik" },
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{ "java.vm.specification.name", "Dalvik Virtual Machine Specification" },
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{ "java.vm.specification.vendor", "The Android Project" },
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{ "java.vm.specification.version", "0.9" },
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{ "java.vm.vendor", "The Android Project" },
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{ "java.vm.vendor.url", "http://www.android.com/" },
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{ "java.net.preferIPv6Addresses", "false" },
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{ "file.encoding", "UTF-8" },
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{ "file.separator", "/" },
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{ "line.separator", "\n" },
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{ "path.separator", ":" },
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// Turn off ICU debugging. This allows compile-time initialization of a range of
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// classes. b/28039175
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{ "ICUDebug", null },
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// Hardcode DecimalFormat parsing flag to be default. b/27265238
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{ "android.icu.text.DecimalFormat.SkipExtendedSeparatorParsing", null },
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// Hardcode MessagePattern apostrophe mode to be default. b/27265238
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{ "android.icu.text.MessagePattern.ApostropheMode", null },
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// Hardcode "sun.io.useCanonCaches" to use the default (off). b/28174137, b/62301183
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{ "sun.io.useCanonCaches", null },
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{ "sun.io.useCanonPrefixCache", null },
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// Hardcode some http properties to use the default. b/28174137
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{ "http.keepAlive", null },
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{ "http.keepAliveDuration", null },
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{ "http.maxConnections", null },
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// Turn off javax.net debugging. This allows compile-time initialization of a range
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// of classes. b/28174137
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{ "javax.net.debug", null },
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// Hardcode default value for AVA. b/28174137
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{ "com.sun.security.preserveOldDCEncoding", null },
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// Hardcode default value for LogManager. b/28174137
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{ "java.util.logging.manager", null },
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};
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}
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