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[DS-317] Add Support for Embargo function

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git-svn-id: http://scm.dspace.org/svn/repo/dspace/trunk@4277 9c30dcfa-912a-0410-8fc2-9e0234be79fd
This commit is contained in:
Richard Rodgers
2009-09-22 21:27:54 +00:00
parent d5a6ed482c
commit ebbe09345a
3 changed files with 318 additions and 298 deletions
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41
dspace-api/src/main/java/org/dspace/content/Item.java
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@@ -2269,4 +2269,45 @@ public class Item extends DSpaceObject
DCValue t[] = getMetadata("dc", "title", null, Item.ANY);
return (t.length >= 1) ? t[0].value : null;
}
/**
* Returns an iterator of Items possessing the passed metadata field, or only
* those matching the passed value, if value is not Item.ANY
*
* @param context DSpace context object
* @param schema metdata field schema
* @param element metdata field element
* @param qualifier metdata field qualifier
* @param value field value or Item.ANY to match any value
* @return an iterator over the items matching that authority value
* @throws SQLException, AuthorizeException, IOException
*
*/
public static ItemIterator findByMetadataField(Context context,
String schema, String element, String qualifier, String value)
throws SQLException, AuthorizeException, IOException
{
MetadataSchema mds = MetadataSchema.find(context, schema);
if (mds == null)
throw new IllegalArgumentException("No such metadata schema: "+schema);
MetadataField mdf = MetadataField.findByElement(context, mds.getSchemaID(), element, qualifier);
if (mdf == null)
throw new IllegalArgumentException(
"No such metadata field: schema="+schema+", element="+element+", qualifier="+qualifier);
String query = "SELECT item.* FROM metadatavalue,item WHERE item.in_archive='1' "+
"AND item.item_id = metadatavalue.item_id AND metadata_field_id = ?";
TableRowIterator rows = null;
if (Item.ANY.equals(value))
{
rows = DatabaseManager.queryTable(context, "item", query, mdf.getFieldID());
}
else
{
query += " AND metadatavalue.text_value = ?";
rows = DatabaseManager.queryTable(context, "item", query, mdf.getFieldID(), value);
}
return new ItemIterator(context, rows);
}
}