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| Constants | Line # 26 | 0 | 1 | 0% |
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| 1 | package org.apache.lucene.util; | |
| 2 | ||
| 3 | /** | |
| 4 | * Copyright 2004 The Apache Software Foundation | |
| 5 | * | |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 7 | * you may not use this file except in compliance with the License. | |
| 8 | * You may obtain a copy of the License at | |
| 9 | * | |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 | * | |
| 12 | * Unless required by applicable law or agreed to in writing, software | |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 15 | * See the License for the specific language governing permissions and | |
| 16 | * limitations under the License. | |
| 17 | */ | |
| 18 | ||
| 19 | /** | |
| 20 | * Some useful constants. | |
| 21 | * | |
| 22 | * @author Doug Cutting | |
| 23 | * @version $Id: Constants.java 189792 2005-06-09 18:58:30Z bmesser $ | |
| 24 | **/ | |
| 25 | ||
| 26 | public final class Constants { | |
| 27 | 0 |
 private Constants() {} // can't construct |
| 28 | ||
| 29 | /** The value of <tt>System.getProperty("java.version")<tt>. **/ | |
| 30 | public static final String JAVA_VERSION = System.getProperty("java.version"); | |
| 31 | /** True iff this is Java version 1.1. */ | |
| 32 | public static final boolean JAVA_1_1 = JAVA_VERSION.startsWith("1.1."); | |
| 33 | /** True iff this is Java version 1.2. */ | |
| 34 | public static final boolean JAVA_1_2 = JAVA_VERSION.startsWith("1.2."); | |
| 35 | /** True iff this is Java version 1.3. */ | |
| 36 | public static final boolean JAVA_1_3 = JAVA_VERSION.startsWith("1.3."); | |
| 37 | ||
| 38 | /** The value of <tt>System.getProperty("os.name")<tt>. **/ | |
| 39 | public static final String OS_NAME = System.getProperty("os.name"); | |
| 40 | /** True iff running on Linux. */ | |
| 41 | public static final boolean LINUX = OS_NAME.startsWith("Linux"); | |
| 42 | /** True iff running on Windows. */ | |
| 43 | public static final boolean WINDOWS = OS_NAME.startsWith("Windows"); | |
| 44 | /** True iff running on SunOS. */ | |
| 45 | public static final boolean SUN_OS = OS_NAME.startsWith("SunOS"); | |
| 46 | } | |
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