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From ggreg...@apache.org
Subject cvs commit: jakarta-commons/lang/src/java/org/apache/commons/lang SystemUtils.java
Date Wed, 31 Dec 2003 22:00:31 GMT
ggregory    2003/12/31 14:00:31

  Modified:    lang/src/java/org/apache/commons/lang SystemUtils.java
  Log:
  PR: http://issues.apache.org/bugzilla/show_bug.cgi?id=25849
  Added to SystemUtils: getJavaHome, getJavaIoTmpDir, getUserDir, getUserHome.
  
  Revision  Changes    Path
  1.27      +79 -5     jakarta-commons/lang/src/java/org/apache/commons/lang/SystemUtils.java
  
  Index: SystemUtils.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons/lang/src/java/org/apache/commons/lang/SystemUtils.java,v
  retrieving revision 1.26
  retrieving revision 1.27
  diff -u -r1.26 -r1.27
  --- SystemUtils.java	23 Oct 2003 21:48:28 -0000	1.26
  +++ SystemUtils.java	31 Dec 2003 22:00:31 -0000	1.27
  @@ -53,6 +53,8 @@
    */
   package org.apache.commons.lang;
   
  +import java.io.File;
  +
   /**
    * <p>Helpers for <code>java.lang.System</code>.</p>
    * 
  @@ -78,6 +80,26 @@
       // 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 @@
        * 
        * @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 @@
        * 
        * @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 @@
        * 
        * @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 @@
        * 
        * @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 @@
           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));
  +    }
  +
   }
  
  
  

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