#43 unset file

[Omry Yadan]

Added functionality to unset a properties file keys.
this is useful when you want to undo a load of a
properties file.

[Omry Yadan]

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user_id=126268

OOPS, forgot to include patch.

106,107c106,117
< if ( name == null || name.equals( "" ) ) {
< throw new BuildException( "The 'name'
attribute is required with 'unset'." );
---
> if ( (name == null || name.equals( "" )) && (file
== null) ) {
> throw new BuildException( "The 'name' or
'file' attribute are required with 'unset'." );
> }
>
> if (file != null)
> {
> unloadFile(file);
> }
>
> if (name == null || name.equals( "" ))
> {
> removeProperty( name );
109d118
< removeProperty( name );
280a290,324
>
> private void unloadFile( File file ) throws
BuildException {
> Properties props = new Properties();
> try {
> if ( file.exists() ) {
> FileInputStream fis = new FileInputStream(
file );
> try {
> props.load( fis );
> }
> finally {
> if ( fis != null ) {
> fis.close();
> }
> }
>
> Enumeration keys = props.keys();
> log( "Unloading file : " + file
,Project.MSG_VERBOSE );
>
> while (keys.hasMoreElements())
> {
> String key = (String) keys.nextElement();
> log( "Unloading " + key + " = " +
getProject().getProperty(key) ,Project.MSG_VERBOSE );
> removeProperty(key);
> }
> }
> else {
> log( "Unable to find property file: " +
file.getAbsolutePath(),
> Project.MSG_VERBOSE );
> }
> }
> catch ( IOException ex ) {
> throw new BuildException( ex, location );
> }
> }
>

[Omry Yadan]

diff file