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16 package com.fatwire.gst.foundation.facade.assetapi.asset;
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18 import java.util.Date;
19 import java.util.Iterator;
20 import java.util.LinkedList;
21 import java.util.List;
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23 import com.fatwire.assetapi.data.AssetData;
24 import com.fatwire.assetapi.data.AssetId;
25 import com.fatwire.gst.foundation.facade.assetapi.AssetAccessTemplate;
26 import com.fatwire.gst.foundation.facade.assetapi.AssetClosure;
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36 public class AssetFilterIterator implements Iterable<AssetId> {
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38 final Iterable<AssetId> i;
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44 public AssetFilterIterator(final AssetAccessTemplate aat, final Iterable<AssetId> assetIds) {
45 this(aat, new Date(), assetIds);
46
47 }
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55 public AssetFilterIterator(final AssetAccessTemplate aat, final Date date, final Iterable<AssetId> assetIds) {
56 super();
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58 i = date == null ? assetIds : toIterable(aat, date, assetIds);
59 }
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61 private Iterable<AssetId> toIterable(final AssetAccessTemplate aat, final Date date,
62 final Iterable<AssetId> assetIds) {
63 final List<AssetId> list = new LinkedList<AssetId>();
64 final AssetClosure target = new AssetClosure() {
65 public boolean work(final AssetData asset) {
66 list.add(asset.getAssetId());
67 return true;
68 }
69 };
70 final AssetClosure closure = new DateFilterClosure(date, target);
71
72 aat.readAsset(assetIds, closure, "startdate", "enddate");
73 return list;
74 }
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76 public Iterator<AssetId> iterator() {
77 return i.iterator();
78 }
79 }