client/src/main/java/org/apache/hupa/client/mapper/ComposeActivityMapper.java~HEAD

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package org.apache.hupa.client.mapper;

import org.apache.hupa.client.activity.ComposeActivity;
import org.apache.hupa.client.place.ComposePlace;

import com.google.gwt.activity.shared.Activity;
import com.google.gwt.activity.shared.ActivityMapper;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.RunAsyncCallback;
import com.google.gwt.place.shared.Place;
import com.google.gwt.place.shared.PlaceController;
import com.google.inject.Inject;
import com.google.inject.Provider;

public class ComposeActivityMapper implements ActivityMapper {
	private final Provider<ComposeActivity> composeActivityProvider;

	@Inject protected PlaceController placeController;

	@Inject
	public ComposeActivityMapper(Provider<ComposeActivity> composeActivityProvider) {
		this.composeActivityProvider = composeActivityProvider;
	}

	public Activity getActivity(final Place place) {
		if (!(place instanceof ComposePlace))
			return null;
		final ComposePlace here = (ComposePlace) place;
		if (!"new".equals(here.getToken()) && here.getParameters() == null)
			return null;
		return new ActivityAsyncProxy() {
			@Override
			protected void doAsync(RunAsyncCallback callback) {
				GWT.runAsync(callback);
			}

			@Override
			protected Activity createInstance() {
				return composeActivityProvider.get().with(here);
			}
		};
	}
}