Apache
/
commons-lang
mirror of https://github.com/apache/commons-lang.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Javadoc. 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137347 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gary D. Gregory 2003-05-30 01:12:26 +00:00
parent 68696f5232
commit 4a6b9f65d0
1 changed files with 77 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

118
src/java/org/apache/commons/lang/SystemUtils.java
View File

@ -66,7 +66,7 @@
* @author <a href="mailto:ggregory@seagullsw.com">Gary Gregory</a>
* @author Michael Becke
* @since 1.0
* @version $Id: SystemUtils.java,v 1.12 2003/05/24 14:34:14 scolebourne Exp $
* @version $Id: SystemUtils.java,v 1.13 2003/05/30 01:12:26 ggregory Exp $
*/
public class SystemUtils {
@ -84,41 +84,45 @@ public SystemUtils() {
//-----------------------------------------------------------------------
/**
* The <code>file.encoding</code> System Property.
* File encoding, such as Cp1252.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
* <p>File encoding, such as <code>Cp1252</code>.</p>
*
* <p>Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.</p>
*
* @since Java version 1.2.
*/
public static final String FILE_ENCODING = getSystemProperty("file.encoding");
/**
* The <code>file.separator</code> System Property.
* File separator ("/" on UNIX).
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java version 1.1.
*/
public static final String FILE_SEPARATOR = getSystemProperty("file.separator");
/**
* The <code>java.class.path</code> System Property.
* Java class path.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java version 1.1.
*/
public static final String JAVA_CLASS_PATH = getSystemProperty("java.class.path");
/**
* The <code>java.class.version</code> System Property.
* Java class format version number.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java version 1.1.
*/
public static final String JAVA_CLASS_VERSION = getSystemProperty("java.class.version");
@ -129,287 +133,318 @@ public SystemUtils() {
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java version 1.2. Not used in Sun versions after 1.2.
*/
public static final String JAVA_COMPILER = getSystemProperty("java.compiler");
/**
* The <code>java.ext.dirs</code> System Property.
* Path of extension directory or directories.
* First in JDK version 1.3.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.3
*/
public static final String JAVA_EXT_DIRS = getSystemProperty("java.ext.dirs");
/**
* The <code>java.home</code> System Property.
* Java installation directory.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String JAVA_HOME = getSystemProperty("java.home");
/**
* The <code>java.io.tmpdir</code> System Property.
* Default temp file path.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_IO_TMPDIR = getSystemProperty("java.io.tmpdir");
/**
* The <code>java.library.path</code> System Property.
* List of paths to search when loading libraries.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_LIBRARY_PATH = getSystemProperty("java.library.path");
/**
* The <code>java.runtime.name</code> System Property.
* Java Runtime Environment name.
* First in JDK version 1.3.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.3
*/
public static final String JAVA_RUNTIME_NAME = getSystemProperty("java.runtime.name");
/**
* The <code>java.runtime.version</code> System Property.
* Java Runtime Environment version.
* First in JDK version 1.3.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.3
*/
public static final String JAVA_RUNTIME_VERSION = getSystemProperty("java.runtime.version");
/**
* The <code>java.specification.name</code> System Property.
* Java Runtime Environment specification name.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_SPECIFICATION_NAME = getSystemProperty("java.specification.name");
/**
* The <code>java.specification.vendor</code> System Property.
* Java Runtime Environment specification vendor.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_SPECIFICATION_VENDOR = getSystemProperty("java.specification.vendor");
/**
* The <code>java.specification.version</code> System Property.
* Java Runtime Environment specification version.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.3
*/
public static final String JAVA_SPECIFICATION_VERSION = getSystemProperty("java.specification.version");
/**
* The <code>java.vendor</code> System Property.
* Java vendor-specific string.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String JAVA_VENDOR = getSystemProperty("java.vendor");
/**
* The <code>java.vendor.url</code> System Property.
* Java vendor URL.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*/
*
* @since Java 1.1
*/
public static final String JAVA_VENDOR_URL = getSystemProperty("java.vendor.url");
/**
* The <code>java.version</code> System Property.
* Java version number.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String JAVA_VERSION = getSystemProperty("java.version");
/**
* The <code>java.vm.info</code> System Property.
* Java Virtual Machine implementation info.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_VM_INFO = getSystemProperty("java.vm.info");
/**
* The <code>java.vm.name</code> System Property.
* Java Virtual Machine implementation name.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_VM_NAME = getSystemProperty("java.vm.name");
/**
* The <code>java.vm.specification.name</code> System Property.
* Java Virtual Machine specification name.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_VM_SPECIFICATION_NAME = getSystemProperty("java.vm.specification.name");
/**
* The <code>java.vm.specification.vendor</code> System Property.
* Java Virtual Machine specification vendor.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_VM_SPECIFICATION_VENDOR = getSystemProperty("java.vm.specification.vendor");
/**
* The <code>java.vm.specification.version</code> System Property.
* Java Virtual Machine specification version.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_VM_SPECIFICATION_VERSION = getSystemProperty("java.vm.specification.version");
/**
* The <code>java.vm.vendor</code> System Property.
* Java Virtual Machine implementation vendor.
* First in JDK version 1.2.
* <p>
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_VM_VENDOR = getSystemProperty("java.vm.vendor");
/**
* The <code>java.vm.version</code> System Property.
* Java Virtual Machine implementation version.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String JAVA_VM_VERSION = getSystemProperty("java.vm.version");
/**
* The <code>line.separator</code> System Property.
* Line separator ("\n" on UNIX).
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String LINE_SEPARATOR = getSystemProperty("line.separator");
/**
* The <code>os.arch</code> System Property.
* Operating system architecture.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String OS_ARCH = getSystemProperty("os.arch");
/**
* The <code>os.name</code> System Property.
* Operating system name.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String OS_NAME = getSystemProperty("os.name");
/**
* The <code>os.version</code> System Property.
* Operating system version.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String OS_VERSION = getSystemProperty("os.version");
/**
* The <code>path.separator</code> System Property.
* Path separator (":" on UNIX).
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String PATH_SEPARATOR = getSystemProperty("path.separator");
/**
* The <code>user.dir</code> System Property.
* User's current working directory.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String USER_DIR = getSystemProperty("user.dir");
/**
* The <code>user.home</code> System Property.
* User's home directory.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String USER_HOME = getSystemProperty("user.home");
/**
* The <code>user.language</code> System Property.
* User's language code, such as 'en'.
* First in JDK version 1.2.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String USER_LANGUAGE = getSystemProperty("user.language");
/**
* The <code>user.country</code> or <code>user.region</code> System Property.
* User's country code, such as 'GB'.
* User's country code, such as <code>GB</code>.
* First in JDK version 1.2 as <code>user.region</code>.
* Renamed to <code>user.country</code> in 1.4
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.2
*/
public static final String USER_COUNTRY =
(getSystemProperty("user.country") == null ?
@ -418,10 +453,11 @@ public SystemUtils() {
/**
* The <code>user.name</code> System Property.
* User's account name.
* First in JDK version 1.1.
* <p>
* Defaults to <code>null</code> if the runtime does not have
* security access to read this property or property not specified.
*
* @since Java 1.1
*/
public static final String USER_NAME = getSystemProperty("user.name");
@ -733,7 +769,7 @@ private static boolean getOSMatches(String osNamePrefix, String osVersionPrefix)
* <li><code>1.31f</code> for JDK 1.3.1
* </ul>
*
* @deprecated Use JAVA_VERSION_FLOAT instead.
* @deprecated Use {@link #JAVA_VERSION_FLOAT} instead.
* Will be removed in Commons Lang 3.0.
* @return the version, for example 1.31f for JDK 1.3.1
*/