if (webXML_LOCALROOT == null) {
if (webXML_WOAINSTALLROOT == null) {
	protected void validateAttributes() throws BuildException {		if (webXML) {			if (webXML_WOROOT == null) {				webXML_WOROOT =					this.getWOEnvironment().getWOVariables().systemRoot();				if (webXML_WOROOT == null)					throw new BuildException("'webXML_WOROOT' attribute is missing.");			}			if (webXML_LOCALROOT == null) {				webXML_LOCALROOT =					this.getWOEnvironment().getWOVariables().localRoot();				if (webXML_LOCALROOT == null)					throw new BuildException("'webXML_LOCALROOT' attribute is missing.");			}			if (webXML_LOCALROOT == null) {				webXML_WOAINSTALLROOT =					this.getWOEnvironment().getWOVariables().localLibraryDir()						+ "/WebObjects/Applications";				if (webXML_LOCALROOT == null)					throw new BuildException("'webXML_WOAINSTALLROOT' attribute is missing.");			}			if (webXML_WOAppMode == null) {				webXML_WOAppMode = "Development";				if (webXML_WOAppMode == null)					throw new BuildException("'webXML_WOAppMode' attribute is missing.");			}			if (webXML_WOtaglib == null) {				webXML_WOtaglib = "/WEB-INF/tlds/WOtaglib_1_0.tld";				if (webXML_WOtaglib == null)					throw new BuildException("'webXML_WOtaglib' attribute is missing.");			}		}	}