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package com.sun.jersey.samples.viewclient.atompubsimple.view;

import com.sun.jersey.api.client.Client;
import java.net.URISyntaxException;
import java.util.List;

import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.core.Context;

import org.apache.abdera.model.Entry;
import org.apache.abdera.model.Feed;
import org.apache.abdera.model.Link;

import com.sun.jersey.api.client.ViewResource;
import java.net.URI;

public class CollectionStateView {

	private Client client;
	private Feed feed;
	private ViewResource viewResource;

	@GET
	@Consumes("application/atom+xml")
	public void build(@Context Client client, Feed feed,
			@Context ViewResource vr) {
		this.client = client;
		this.viewResource = vr;
		this.feed = feed;
	}

	public CreatedEntryView createEntry(Entry entry) {
		return this.viewResource.post(CreatedEntryView.class, entry);
	}

	public CreatedEntryView createMediaEntry(String data) {
		return this.viewResource.post(CreatedEntryView.class, data);
	}

	public void iterateEntries(EntryHandler entryHandler) {

		List<Entry> entries = this.feed.getEntries();
		for (Entry entry : entries) {
			boolean proceed = entryHandler.handleEntry(entry);
			if(!proceed)
				return;
		}

		Link link = this.feed.getLink("next");
		if(link == null)
			return;
		URI nextUri;
		try {
			nextUri = link.getHref().toURI();
		} catch (URISyntaxException ex) {
			// handle exception
			return;
		}

		CollectionStateView v = this.client.view(nextUri,CollectionStateView.class);

		// recurse
		v.iterateEntries(entryHandler);
	}





	public Feed getFeedDocumentObject() {
		return this.feed;
	}

	
}
