import org.eclipse.ui.IContributorResourceAdapter; //导入依赖的package包/类
@Override
public Object getAdapter(Class key) {
    if (ITaskListResourceAdapter.class == key) {
        // java.lang.ClassCastException:
        // de.loskutov.bfields.views.DelayedFieldElement
        // cannot be cast to org.eclipse.jdt.core.IJavaElement
        // at
        //org.eclipse.jdt.internal.ui.JavaTaskListAdapter.getAffectedResource
        // (JavaTaskListAdapter.java:28)
        return null;
    }
    if (key == IResource.class && data instanceof IResource) {
        return data;
    }
    if (IContributorResourceAdapter.class == key) {
        return ElementAdapterFactory.instance();
    }
    if (data instanceof IJavaElement) {
        Object adapter = ElementAdapterFactory.instance().getAdapter(data, key);
        if (adapter == null && key == IJavaElement.class) {
            return data;
        }
        return adapter;
    }
    return (data instanceof IAdaptable) ? ((IAdaptable) data).getAdapter(key) : null;
}
 

import org.eclipse.ui.IContributorResourceAdapter; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public <T> T getAdapter(Class<T> key)
{
    if (key.equals(IContributorResourceAdapter.class))
    {
        return (T) new IContributorResourceAdapter()
        {
            @Override
            public IResource getAdaptedResource(IAdaptable adaptable)
            {
                // TODO Auto-generated method stub
                return (IResource) data;
            }
        };
    }
    return null;
}
 

import org.eclipse.ui.IContributorResourceAdapter; //导入依赖的package包/类
public static IResource getModelObjectResource(Object o) {
	IResource resource = null;
	if (o instanceof IResource) {
		resource = (IResource) o;
	} else if (o instanceof IAdaptable) {
		IAdaptable adaptable = (IAdaptable) o;
		resource = (IResource)adaptable.getAdapter(IResource.class);
		if (resource == null) {
			IContributorResourceAdapter adapter = (IContributorResourceAdapter)adaptable.getAdapter(IContributorResourceAdapter.class);
			if (adapter != null)
				resource = adapter.getAdaptedResource(adaptable);
		}
	}
	return resource;
}
 

import org.eclipse.ui.IContributorResourceAdapter; //导入依赖的package包/类
public Object getAdapter(Object element, Class key) {
	updateLazyLoadedAdapters();
	IJavaElement java= getJavaElement(element);

	if (IPropertySource.class.equals(key)) {
		return getProperties(java);
	} if (IResource.class.equals(key)) {
		return getResource(java);
	} if (fSearchPageScoreComputer != null && ISearchPageScoreComputer.class.equals(key)) {
		return fSearchPageScoreComputer;
	} if (IWorkbenchAdapter.class.equals(key)) {
		return getJavaWorkbenchAdapter();
	} if (IResourceLocator.class.equals(key)) {
		return getResourceLocator();
	} if (IPersistableElement.class.equals(key)) {
		return new PersistableJavaElementFactory(java);
	} if (IContributorResourceAdapter.class.equals(key)) {
		return this;
	} if (IContributorResourceAdapter2.class.equals(key)) {
		return this;
	} if (ITaskListResourceAdapter.class.equals(key)) {
		return getTaskListAdapter();
	} if (IContainmentAdapter.class.equals(key)) {
		return getJavaElementContainmentAdapter();
	} if (fIsTeamUILoaded && IHistoryPageSource.class.equals(key) && JavaElementHistoryPageSource.hasEdition(java)) {
		return JavaElementHistoryPageSource.getInstance();
	}
	return null;
}
 

import org.eclipse.ui.IContributorResourceAdapter; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public <T> T getAdapter(Class<T> adapter) {
    if (adapter == IActionFilter.class) {
        IActionFilter platformActionFilter = (IActionFilter) this.getActualObject().getAdapter(adapter);
        return (T) new PythonSourceFolderActionFilter(platformActionFilter);
    }
    if (adapter == IContributorResourceAdapter.class) {
        return (T) this;
    }
    return WrappedResource.getAdapterFromActualObject(this.getActualObject(), adapter);
}
 

import org.eclipse.ui.IContributorResourceAdapter; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public <T> T getAdapter(Class<T> adapter) {
    if (adapter == IContributorResourceAdapter.class) {
        return (T) this;
    }
    return WrappedResource.getAdapterFromActualObject(this.getActualObject(), adapter);
}
 

import org.eclipse.ui.IContributorResourceAdapter; //导入依赖的package包/类
public static IResource getResource(Object o) {
	IResource resource = null;
	if (o instanceof IResource) {
		resource = (IResource) o;
	} else if (o instanceof IAdaptable) {
		IAdaptable adaptable = (IAdaptable) o;
		resource = (IResource)adaptable.getAdapter(IResource.class);
		if (resource == null) {
			IContributorResourceAdapter adapter = (IContributorResourceAdapter)adaptable.getAdapter(IContributorResourceAdapter.class);
			if (adapter != null)
				resource = adapter.getAdaptedResource(adaptable);
		}
	}
	return resource;
}
 

import org.eclipse.ui.IContributorResourceAdapter; //导入依赖的package包/类
@Override
public Class<?>[] getAdapterList() {
    return new Class[] { IWrappedResource.class, ResourceMapping.class, IResource.class, IFolder.class,
            IFile.class, IContainer.class, IContributorResourceAdapter.class, IProject.class };
}