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PR: http://issues.apache.org/bugzilla/show_bug.cgi?id=25849 

Added to SystemUtils: getJavaHome, getJavaIoTmpDir, getUserDir, getUserHome.


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137741 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gary D. Gregory 2003-12-31 22:00:31 +00:00
parent f8809cc8c8
commit 4418cc11fc
1 changed files with 79 additions and 5 deletions
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84
src/java/org/apache/commons/lang/SystemUtils.java
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@ -53,6 +53,8 @@
*/
package org.apache.commons.lang;
import java.io.File;
/**
* <p>Helpers for <code>java.lang.System</code>.</p>
*
@ -69,7 +71,7 @@ package org.apache.commons.lang;
* @author Tetsuya Kaneuchi
* @author Rafal Krupinski
* @since 1.0
* @version $Id: SystemUtils.java,v 1.26 2003/10/23 21:48:28 ggregory Exp $
* @version $Id: SystemUtils.java,v 1.27 2003/12/31 22:00:31 ggregory Exp $
*/
public class SystemUtils {
@ -77,6 +79,26 @@ public class SystemUtils {
//-----------------------------------------------------------------------
// These MUST be declared first. Other constants depend on this.
/**
* The System property key for the user home directory.
*/
public static final String USER_HOME_KEY = "user.home";
/**
* The System property key for the user directory.
*/
public static final String USER_DIR_KEY = "user.dir";
/**
* The System property key for the Java IO tenmporary directory.
*/
public static final String JAVA_IO_TMPDIR_KEY = "java.io.tmpdir";
/**
* The System property key for the Java home directory.
*/
public static final String JAVA_HOME_KEY = "java.home";
/**
* <p>The <code>file.encoding</code> System Property.</p>
* <p>File encoding, such as <code>Cp1252</code>.</p>
@ -162,7 +184,7 @@ public class SystemUtils {
*
* @since Java 1.1
*/
public static final String JAVA_HOME = getSystemProperty("java.home");
public static final String JAVA_HOME = getSystemProperty(JAVA_HOME_KEY);
/**
* <p>The <code>java.io.tmpdir</code> System Property. Default temp file path.</p>
@ -172,7 +194,7 @@ public class SystemUtils {
*
* @since Java 1.2
*/
public static final String JAVA_IO_TMPDIR = getSystemProperty("java.io.tmpdir");
public static final String JAVA_IO_TMPDIR = getSystemProperty(JAVA_IO_TMPDIR_KEY);
/**
* <p>The <code>java.library.path</code> System Property. List of paths to search
@ -426,7 +448,7 @@ public class SystemUtils {
*
* @since Java 1.1
*/
public static final String USER_DIR = getSystemProperty("user.dir");
public static final String USER_DIR = getSystemProperty(USER_DIR_KEY);
/**
* <p>The <code>user.home</code> System Property. User's home directory.</p>
@ -436,7 +458,7 @@ public class SystemUtils {
*
* @since Java 1.1
*/
public static final String USER_HOME = getSystemProperty("user.home");
public static final String USER_HOME = getSystemProperty(USER_HOME_KEY);
/**
* <p>The <code>user.language</code> System Property. User's language code,
@ -909,4 +931,56 @@ public class SystemUtils {
return (JAVA_VERSION_INT >= requiredVersion);
}
/**
* <p>Gets the Java home directory.</p>
*
* @return a directory
* @exception SecurityException if a security manager exists and its
* <code>checkPropertyAccess</code> method doesn't allow
* access to the specified system property.
* @see System#getProperty(String)
*/
public static File getJavaHome() {
return new File(System.getProperty(JAVA_HOME_KEY));
}
/**
* <p>Gets the Java IO temporary directory.</p>
*
* @return a directory
* @exception SecurityException if a security manager exists and its
* <code>checkPropertyAccess</code> method doesn't allow
* access to the specified system property.
* @see System#getProperty(String)
*/
public static File getJavaIoTmpDir() {
return new File(System.getProperty(JAVA_IO_TMPDIR_KEY));
}
/**
* <p>Gets the user directory.</p>
*
* @return a directory
* @exception SecurityException if a security manager exists and its
* <code>checkPropertyAccess</code> method doesn't allow
* access to the specified system property.
* @see System#getProperty(String)
*/
public static File getUserDir() {
return new File(System.getProperty(USER_DIR_KEY));
}
/**
* <p>Gets the user home directory.</p>
*
* @return a directory
* @exception SecurityException if a security manager exists and its
* <code>checkPropertyAccess</code> method doesn't allow
* access to the specified system property.
* @see System#getProperty(String)
*/
public static File getUserHome() {
return new File(System.getProperty(USER_HOME_KEY));
}
}