/*
 * Copyright 2004-2005 Revolution Systems Inc.
 *
 * Licensed 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 com.revolsys.ui.html.fields;

import javax.servlet.http.HttpServletRequest;

import com.revolsys.record.io.format.xml.XmlWriter;
import com.revolsys.ui.html.form.Form;
import com.revolsys.util.HtmlUtil;

public class ReadOnlyField extends Field {

  /**
   * @param name
   * @param required
   */
  public ReadOnlyField(final String name, final boolean required) {
    super(name, false);
  }

  @Override
  public boolean hasValue() {
    return true;
  }

  @Override
  public void initialize(final Form form, final HttpServletRequest request) {
    setValue(getInitialValue(request));
  }

  @Override
  public boolean isValid() {
    return true;
  }

  @Override
  public void serializeElement(final XmlWriter out) {
    if (getValue() != null) {
      final String valueString = getValue().toString();
      out.write(valueString);
      HtmlUtil.serializeHiddenInput(out, getName(), valueString);
    } else {
      out.text("-");
    }
  }
}