Package de.odysseus.calyxo.base.conf.impl

Source Code of de.odysseus.calyxo.base.conf.impl.FieldConfigImpl

/*
* Copyright 2004, 2005, 2006 Odysseus Software GmbH
*
* 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 de.odysseus.calyxo.base.conf.impl;

import de.odysseus.calyxo.base.conf.ConfigException;
import de.odysseus.calyxo.base.conf.FieldConfig;

/**
* Method configuration implementation.
*
* @author Christoph Beck
*/
public class FieldConfigImpl extends ConfigImpl implements FieldConfig {
  private String name;

  /*
   * (non-Javadoc)
   * @see de.odysseus.calyxo.base.conf.impl.ConfigImpl#_getElementName()
   */
  protected String _getElementName() {
    return "field";
  }

  /*
   * (non-Javadoc)
   * @see de.odysseus.calyxo.base.conf.impl.ConfigImpl#_putAttributes(de.odysseus.calyxo.base.conf.impl.ConfigImpl.Attributes)
   */
  protected void _putAttributes(Attributes map) {
    super._putAttributes(map);
    map.put("name", name);
  }

  /*
   * (non-Javadoc)
   * @see de.odysseus.calyxo.base.conf.FieldConfig#get(java.lang.Class, java.lang.Object)
   */
  public Object get(Class clazz, Object object) throws ConfigException {
    if (clazz == null) {
      if (object == null) {
        throw new ConfigException("Cannot get field from null in " + toInlineString());
      }
      clazz = object.getClass();
    } else if (object != null && !clazz.isInstance(object)) {
      throw new ConfigException("Specified object is not an instance of " + clazz.getName() + " in " + toInlineString());
    }
    try {
      return clazz.getField(name).get(object);
    } catch (Exception e) {
      throw new ConfigException("Could not access field in " + toInlineString(), e);
    }
  }

  /**
   * @return Returns the name.
   */
  public String getName() {
    return name;
  }

  /**
   * @param name The name to set.
   */
  public void setName(String name) {
    this.name = name;
  }
}
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