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Milton Community Edition: Supports DAV level 1 and is available on Apache2 license

There is a newer version: 4.0.3.2215

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.milton.http.values;

import io.milton.http.XmlWriter;
import io.milton.http.XmlWriter.Element;
import io.milton.http.webdav.WebDavProtocol;
import java.util.Map;

/**
 *
 * @author alex
 */
public class WrappedHrefWriter  implements ValueWriter {
    public boolean supports( String nsUri, String localName, Class c ) {
        return WrappedHref.class.isAssignableFrom( c );
    }

    public void writeValue( XmlWriter writer, String nsUri, String prefix, String localName, Object val, String href, Map nsPrefixes ) {
      writer.open(prefix, localName);
      WrappedHref wrappedHref = (WrappedHref) val;
      if( wrappedHref != null && wrappedHref.getValue() != null ) {
            //TODO: Replace explicit namespace declaration with reference to constant
            Element hrefEl = writer.begin(WebDavProtocol.NS_DAV.getPrefix(),"href" ).open();
            hrefEl.writeText( wrappedHref.getValue() );
            hrefEl.close();
      }
      writer.close(prefix, localName);
    }

    public Object parse( String namespaceURI, String localPart, String value ) {
        throw new UnsupportedOperationException( "Not supported yet." );
    }
}