org.apache.wicket.model.AbstractReadOnlyModel.java Source code

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Here is the source code for org.apache.wicket.model.AbstractReadOnlyModel.java

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/*
 * 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 org.apache.wicket.model;

/**
 * AbstractReadOnlyModel is an adapter base class for implementing models which have no detach logic
 * and are read-only.
 * 
 * @author Igor Vaynberg ( ivaynberg )
 * 
 * @param <T>
 *            The model object
 * @deprecated Use an anonymous instance of {@link IModel} instead. Since Wicket 8.0 {@link IModel}
 * doesn't require providing implementation of {@link IModel#setObject(Object)} method.
 */
@Deprecated
public abstract class AbstractReadOnlyModel<T> implements IModel<T> {
    private static final long serialVersionUID = 1L;

    /**
     * This default implementation of setObject unconditionally throws an
     * UnsupportedOperationException. Since the method is final, any subclass is effectively a
     * read-only model.
     * 
     * @param object
     *            The object to set into the model
     * @throws UnsupportedOperationException
     */
    @Override
    public final void setObject(final T object) {
        throw new UnsupportedOperationException("Model " + getClass() + " does not support setObject(Object)");
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder("Model:classname=[");
        sb.append(getClass().getName()).append("]");
        return sb.toString();
    }
}