org.sakaiproject.metaobj.shared.mgt.factories.FieldValueWrapperFactoryImpl.java Source code

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Here is the source code for org.sakaiproject.metaobj.shared.mgt.factories.FieldValueWrapperFactoryImpl.java

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/**********************************************************************************
 * $URL: https://source.sakaiproject.org/svn/metaobj/trunk/metaobj-impl/api-impl/src/java/org/sakaiproject/metaobj/shared/mgt/factories/FieldValueWrapperFactoryImpl.java $
 * $Id: FieldValueWrapperFactoryImpl.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
 ***********************************************************************************
 *
 * Copyright (c) 2004, 2005, 2006, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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 org.sakaiproject.metaobj.shared.mgt.factories;

import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.metaobj.shared.mgt.FieldValueWrapperFactory;
import org.sakaiproject.metaobj.utils.mvc.intf.FieldValueWrapper;

/**
 * Created by IntelliJ IDEA.
 * User: John Ellis
 * Date: Apr 25, 2004
 * Time: 6:48:28 PM
 * To change this template use File | Settings | File Templates.
 */
public class FieldValueWrapperFactoryImpl implements FieldValueWrapperFactory {

    private Map wrappedClassMap = null;
    protected final Log logger = LogFactory.getLog(getClass());

    public FieldValueWrapperFactoryImpl() {
    }

    public boolean checkWrapper(Class clazz) {
        return (wrappedClassMap.get(clazz) != null);
    }

    public FieldValueWrapper wrapInstance(Class clazz) {
        Class wrapperClass = (Class) wrappedClassMap.get(clazz);

        FieldValueWrapper returnedWrapper = null;

        try {
            returnedWrapper = (FieldValueWrapper) wrapperClass.newInstance();
        } catch (InstantiationException e) {
            RuntimeException exp = new IllegalArgumentException("Invalid wrapper class");
            exp.initCause(e);
            throw exp;
        } catch (IllegalAccessException e) {
            RuntimeException exp = new IllegalArgumentException("Invalid wrapper class");
            exp.initCause(e);
            throw exp;
        }

        return returnedWrapper;
    }

    public FieldValueWrapper wrapInstance(Object obj) {

        FieldValueWrapper returnedWrapper = wrapInstance(obj.getClass());

        returnedWrapper.setValue(obj);

        return returnedWrapper;
    }

    public void setWrappedClassMap(Map wrappedClassMap) {
        this.wrappedClassMap = wrappedClassMap;
    }

    public void setWrappedClassNamesMap(Properties wrappedClassNamesMap) throws ClassNotFoundException {
        wrappedClassMap = new Hashtable();

        for (Iterator i = wrappedClassNamesMap.keySet().iterator(); i.hasNext();) {
            String key = (String) i.next();
            String value = wrappedClassNamesMap.getProperty(key);

            wrappedClassMap.put(Class.forName(key), Class.forName(value));
        }

        setWrappedClassMap(wrappedClassMap);
    }
}