/**
 *  Copyright (C) 2008 Orbeon, Inc.
 *
 *  This program is free software; you can redistribute it and/or modify it under the terms of the
 *  GNU Lesser General Public License as published by the Free Software Foundation; either version
 *  2.1 of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *  See the GNU Lesser General Public License for more details.
 *
 *  The full text of the license is available at http://www.gnu.org/copyleft/lesser.html
 */
package org.orbeon.oxf.xforms.function.xxforms;

import org.orbeon.oxf.pipeline.StaticExternalContext;
import org.orbeon.oxf.pipeline.api.ExternalContext;
import org.orbeon.oxf.xforms.function.XFormsFunction;
import org.orbeon.saxon.expr.XPathContext;
import org.orbeon.saxon.om.EmptyIterator;
import org.orbeon.saxon.om.ListIterator;
import org.orbeon.saxon.om.SequenceIterator;
import org.orbeon.saxon.trans.XPathException;
import org.orbeon.saxon.value.StringValue;

import java.util.Collections;

/**
 * xxforms:get-remote-user() as xs:string*
 *
 * Returns user name of current user, or empty sequence
 */
public class XXFormsGetRemoteUser extends XFormsFunction {

    public SequenceIterator iterate(XPathContext xpathContext) throws XPathException {

        // Get ExternalContext
        final StaticExternalContext.StaticContext staticContext = StaticExternalContext.getStaticContext();
        final ExternalContext externalContext = staticContext.getExternalContext();

        // Return user name
        final String remoteUser= (String) externalContext.getRequest().getRemoteUser();
        return remoteUser == null
                ? EmptyIterator.getInstance()
                : new ListIterator(Collections.singletonList(new StringValue(remoteUser)));
    }
}
/**
 *  Copyright (C) 2008 Orbeon, Inc.
 *
 *  This program is free software; you can redistribute it and/or modify it under the terms of the
 *  GNU Lesser General Public License as published by the Free Software Foundation; either version
 *  2.1 of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *  See the GNU Lesser General Public License for more details.
 *
 *  The full text of the license is available at http://www.gnu.org/copyleft/lesser.html
 */
package org.orbeon.oxf.xforms.function.xxforms;

import org.orbeon.oxf.pipeline.StaticExternalContext;
import org.orbeon.oxf.pipeline.api.ExternalContext;
import org.orbeon.oxf.xforms.function.XFormsFunction;
import org.orbeon.saxon.expr.XPathContext;
import org.orbeon.saxon.om.EmptyIterator;
import org.orbeon.saxon.om.ListIterator;
import org.orbeon.saxon.om.SequenceIterator;
import org.orbeon.saxon.trans.XPathException;
import org.orbeon.saxon.value.StringValue;

import java.util.Collections;

/**
 * xxforms:get-remote-user() as xs:string*
 *
 * Returns user name of current user, or empty sequence
 */
public class XXFormsGetRemoteUser extends XFormsFunction {

    public SequenceIterator iterate(XPathContext xpathContext) throws XPathException {

        // Get ExternalContext
        final StaticExternalContext.StaticContext staticContext = StaticExternalContext.getStaticContext();
        final ExternalContext externalContext = staticContext.getExternalContext();

        // Return user name
        final String remoteUser= (String) externalContext.getRequest().getRemoteUser();
        if (remoteUser == null) {
            return EmptyIterator.getInstance();
        } else {
            return new ListIterator(Collections.singletonList(new StringValue(remoteUser)));
        }
    }
}

Fix for lame javac compiler