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/*******************************************************************************
* Copyright (c) 2013 BestSolution.at and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
*******************************************************************************/
package org.eclipse.fx.core.adapter;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
/**
* Service which allows to adapt an instance to another type.
*/
public interface AdapterService {
/**
* Check if the instance can be adapted to the target type
*
* @param sourceObject
* the source object
* @param targetType
* the target type
* @return <code>true</code> if object can be adapted, else
* <code>false</code>
*/
public boolean canAdapt(@Nullable Object sourceObject, @NonNull Class<?> targetType);
/**
* Adapt the source object to the target type
*
* @param sourceObject
* the source object
* @param targetType
* the target type
* @param valueAccesses
* value access
* @param <A>
* the type adapted to
* @return the adapted object or <code>null</code> if adaption was not
* possible
*/
@Nullable
public <A> A adapt(@Nullable Object sourceObject, @NonNull Class<A> targetType, ValueAccess... valueAccesses);
/**
* Provides access to values
*/
public interface ValueAccess {
/**
* Getting the value
*
* @param key
* the key
* @param <O>
* the value type
* @return the value or <code>null</code>
*/
@Nullable
public <O> O getValue(@NonNull String key);
/**
* Getting the value
*
* @param key
* the key
* @param <O>
* the value type
* @return the value
*/
@Nullable
public <O> O getValue(@NonNull Class<O> key);
}
}
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