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ItemRepositoryHelper.java
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ItemRepositoryHelper.java
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package com.lyncode.xoai.dataprovider.handlers.helpers;
import com.lyncode.xoai.dataprovider.exceptions.CannotDisseminateFormatException;
import com.lyncode.xoai.dataprovider.exceptions.IdDoesNotExistException;
import com.lyncode.xoai.dataprovider.exceptions.OAIException;
import com.lyncode.xoai.dataprovider.filter.Scope;
import com.lyncode.xoai.dataprovider.filter.ScopedFilter;
import com.lyncode.xoai.dataprovider.handlers.results.ListItemIdentifiersResult;
import com.lyncode.xoai.dataprovider.handlers.results.ListItemsResults;
import com.lyncode.xoai.dataprovider.model.Context;
import com.lyncode.xoai.dataprovider.model.Item;
import com.lyncode.xoai.dataprovider.model.MetadataFormat;
import com.lyncode.xoai.dataprovider.repository.ItemRepository;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
public class ItemRepositoryHelper {
private ItemRepository itemRepository;
public ItemRepositoryHelper(ItemRepository itemRepository) {
super();
this.itemRepository = itemRepository;
}
public ListItemIdentifiersResult getItemIdentifiers(Context context,
int offset, int length, String metadataPrefix)
throws CannotDisseminateFormatException, OAIException {
return itemRepository.getItemIdentifiers(getScopedFilters(context, metadataPrefix), offset, length);
}
public ListItemIdentifiersResult getItemIdentifiers(Context context,
int offset, int length, String metadataPrefix, Date from)
throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
return itemRepository.getItemIdentifiers(filters, offset, length, from);
}
private List<ScopedFilter> getScopedFilters(Context context, String metadataPrefix) throws CannotDisseminateFormatException {
List<ScopedFilter> filters = new ArrayList<ScopedFilter>();
if (context.hasCondition())
filters.add(new ScopedFilter(context.getCondition(), Scope.Context));
MetadataFormat metadataFormat = context.formatForPrefix(metadataPrefix);
if (metadataFormat.hasCondition())
filters.add(new ScopedFilter(metadataFormat.getCondition(), Scope.MetadataFormat));
return filters;
}
public ListItemIdentifiersResult getItemIdentifiersUntil(
Context context, int offset, int length, String metadataPrefix,
Date until) throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
return itemRepository.getItemIdentifiersUntil(filters, offset, length, until);
}
public ListItemIdentifiersResult getItemIdentifiers(Context context,
int offset, int length, String metadataPrefix, Date from, Date until)
throws CannotDisseminateFormatException, OAIException {
return itemRepository.getItemIdentifiers(getScopedFilters(context, metadataPrefix), offset, length, from, until);
}
public ListItemIdentifiersResult getItemIdentifiers(Context context,
int offset, int length, String metadataPrefix, String setSpec)
throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
if (context.isStaticSet(setSpec)) {
filters.add(new ScopedFilter(context.getSet(setSpec).getCondition(), Scope.Set));
return itemRepository.getItemIdentifiers(filters, offset, length);
} else
return itemRepository.getItemIdentifiers(filters, offset, length, setSpec);
}
public ListItemIdentifiersResult getItemIdentifiers(Context context,
int offset, int length, String metadataPrefix, String setSpec,
Date from) throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
if (context.isStaticSet(setSpec)) {
filters.add(new ScopedFilter(context.getSet(setSpec).getCondition(), Scope.Set));
return itemRepository.getItemIdentifiers(filters, offset, length, from);
} else
return itemRepository.getItemIdentifiers(filters, offset, length, setSpec,
from);
}
public ListItemIdentifiersResult getItemIdentifiersUntil(
Context context, int offset, int length, String metadataPrefix,
String setSpec, Date until) throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
if (context.isStaticSet(setSpec)) {
filters.add(new ScopedFilter(context.getSet(setSpec).getCondition(), Scope.Set));
return itemRepository.getItemIdentifiersUntil(filters, offset, length, until);
} else
return itemRepository.getItemIdentifiersUntil(filters, offset, length,
setSpec, until);
}
public ListItemIdentifiersResult getItemIdentifiers(Context context,
int offset, int length, String metadataPrefix, String setSpec,
Date from, Date until) throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
if (context.isStaticSet(setSpec)) {
filters.add(new ScopedFilter(context.getSet(setSpec).getCondition(), Scope.Set));
return itemRepository
.getItemIdentifiers(filters, offset, length, from, until);
} else
return itemRepository.getItemIdentifiers(filters, offset, length, setSpec,
from, until);
}
public ListItemsResults getItems(Context context, int offset,
int length, String metadataPrefix)
throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
return itemRepository.getItems(filters, offset, length);
}
public ListItemsResults getItems(Context context, int offset,
int length, String metadataPrefix, Date from)
throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
return itemRepository.getItems(filters, offset, length, from);
}
public ListItemsResults getItemsUntil(Context context, int offset,
int length, String metadataPrefix, Date until)
throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
return itemRepository.getItemsUntil(filters, offset, length, until);
}
public ListItemsResults getItems(Context context, int offset,
int length, String metadataPrefix, Date from, Date until)
throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
return itemRepository.getItems(filters, offset, length, from, until);
}
public ListItemsResults getItems(Context context, int offset,
int length, String metadataPrefix, String setSpec)
throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
if (context.isStaticSet(setSpec)) {
filters.add(new ScopedFilter(context.getSet(setSpec).getCondition(), Scope.Set));
return itemRepository.getItems(filters, offset, length);
} else
return itemRepository.getItems(filters, offset, length, setSpec);
}
public ListItemsResults getItems(Context context, int offset,
int length, String metadataPrefix, String setSpec, Date from)
throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
if (context.isStaticSet(setSpec)) {
filters.add(new ScopedFilter(context.getSet(setSpec).getCondition(), Scope.Set));
return itemRepository.getItems(filters, offset, length, from);
} else
return itemRepository.getItems(filters, offset, length, setSpec, from);
}
public ListItemsResults getItemsUntil(Context context, int offset,
int length, String metadataPrefix, String setSpec, Date until)
throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
if (context.isStaticSet(setSpec)) {
filters.add(new ScopedFilter(context.getSet(setSpec).getCondition(), Scope.Set));
return itemRepository.getItemsUntil(filters, offset, length, until);
} else
return itemRepository.getItemsUntil(filters, offset, length, setSpec, until);
}
public ListItemsResults getItems(Context context, int offset,
int length, String metadataPrefix, String setSpec, Date from,
Date until) throws CannotDisseminateFormatException, OAIException {
List<ScopedFilter> filters = getScopedFilters(context, metadataPrefix);
if (context.isStaticSet(setSpec)) {
filters.add(new ScopedFilter(context.getSet(setSpec).getCondition(), Scope.Set));
return itemRepository.getItems(filters, offset, length, from, until);
} else
return itemRepository.getItems(filters, offset, length, setSpec, from, until);
}
public Item getItem(String identifier) throws IdDoesNotExistException, OAIException {
return itemRepository.getItem(identifier);
}
}