145 lines
3.7 KiB
Java
145 lines
3.7 KiB
Java
/*
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* Copyright (C) 2012 The Guava Authors
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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 com.google.common.base;
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import com.google.common.annotations.Beta;
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import com.google.common.annotations.GwtIncompatible;
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/**
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* Represents a {@linkplain System#getProperties() standard system property}.
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*
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* @author Kurt Alfred Kluever
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* @since 15.0
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*/
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@Beta
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@GwtIncompatible("java.lang.System#getProperty")
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public enum StandardSystemProperty {
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/** Java Runtime Environment version. */
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JAVA_VERSION("java.version"),
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/** Java Runtime Environment vendor. */
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JAVA_VENDOR("java.vendor"),
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/** Java vendor URL. */
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JAVA_VENDOR_URL("java.vendor.url"),
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/** Java installation directory. */
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JAVA_HOME("java.home"),
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/** Java Virtual Machine specification version. */
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JAVA_VM_SPECIFICATION_VERSION("java.vm.specification.version"),
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/** Java Virtual Machine specification vendor. */
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JAVA_VM_SPECIFICATION_VENDOR("java.vm.specification.vendor"),
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/** Java Virtual Machine specification name. */
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JAVA_VM_SPECIFICATION_NAME("java.vm.specification.name"),
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/** Java Virtual Machine implementation version. */
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JAVA_VM_VERSION("java.vm.version"),
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/** Java Virtual Machine implementation vendor. */
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JAVA_VM_VENDOR("java.vm.vendor"),
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/** Java Virtual Machine implementation name. */
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JAVA_VM_NAME("java.vm.name"),
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/** Java Runtime Environment specification version. */
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JAVA_SPECIFICATION_VERSION("java.specification.version"),
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/** Java Runtime Environment specification vendor. */
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JAVA_SPECIFICATION_VENDOR("java.specification.vendor"),
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/** Java Runtime Environment specification name. */
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JAVA_SPECIFICATION_NAME("java.specification.name"),
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/** Java class format version number. */
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JAVA_CLASS_VERSION("java.class.version"),
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/** Java class path. */
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JAVA_CLASS_PATH("java.class.path"),
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/** List of paths to search when loading libraries. */
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JAVA_LIBRARY_PATH("java.library.path"),
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/** Default temp file path. */
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JAVA_IO_TMPDIR("java.io.tmpdir"),
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/** Name of JIT compiler to use. */
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JAVA_COMPILER("java.compiler"),
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/** Path of extension directory or directories. */
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JAVA_EXT_DIRS("java.ext.dirs"),
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/** Operating system name. */
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OS_NAME("os.name"),
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/** Operating system architecture. */
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OS_ARCH("os.arch"),
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/** Operating system version. */
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OS_VERSION("os.version"),
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/** File separator ("/" on UNIX). */
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FILE_SEPARATOR("file.separator"),
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/** Path separator (":" on UNIX). */
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PATH_SEPARATOR("path.separator"),
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/** Line separator ("\n" on UNIX). */
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LINE_SEPARATOR("line.separator"),
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/** User's account name. */
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USER_NAME("user.name"),
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/** User's home directory. */
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USER_HOME("user.home"),
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/** User's current working directory. */
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USER_DIR("user.dir");
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private final String key;
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private StandardSystemProperty(String key) {
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this.key = key;
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}
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/**
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* Returns the key used to lookup this system property.
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*/
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public String key() {
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return key;
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}
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/**
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* Returns the current value for this system property by delegating to
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* {@link System#getProperty(String)}.
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*/
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public String value() {
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return System.getProperty(key);
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}
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/**
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* Returns a string representation of this system property.
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*/
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@Override
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public String toString() {
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return key() + "=" + value();
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}
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}
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