Bug 11826 Build exclusion filter should be trimmed prior to storing
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaBuilderPreferencePage.java
*/
	public static void initDefaults(IPreferenceStore store) {
		Hashtable hashtable= JavaCore.getDefaultOptions();
		Hashtable currOptions= JavaCore.getOptions();
		String[] allKeys= getAllKeys();
		for (int i= 0; i < allKeys.length; i++) {
			String key= allKeys[i];
			String defValue= (String) hashtable.get(key);
			if (defValue != null) {
				store.setDefault(key, defValue);
			} else {
				JavaPlugin.logErrorMessage("JavaBuilderPreferencePage: value is null: " + key);
			}
			
			String val= store.getString(key);
			if (val != null) {
				currOptions.put(key, val);
			}			
		}
		JavaCore.setOptions(currOptions);
	}	
	
	/*
	 * @see IWorkbenchPreferencePage#init(IWorkbench)
	 */
	public void init(IWorkbench workbench) {
	}
	/*
	 * @see IPreferencePage#performOk()
	 */