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- /*
- Copyright (c) 2011 James Ahlborn
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- */
-
- package com.healthmarketscience.jackcess.util;
-
- import java.io.File;
- import java.io.IOException;
-
- import com.healthmarketscience.jackcess.Database;
- import com.healthmarketscience.jackcess.DatabaseBuilder;
- import com.healthmarketscience.jackcess.impl.DatabaseImpl;
-
- /**
- * Resolver for linked databases.
- *
- * @author James Ahlborn
- * @usage _intermediate_class_
- */
- public interface LinkResolver
- {
- /**
- * default link resolver used if none provided
- * @usage _general_field_
- */
- public static final LinkResolver DEFAULT = new LinkResolver() {
- @Override
- public Database resolveLinkedDatabase(Database linkerDb,
- String linkeeFileName)
- throws IOException
- {
- // if linker is read-only, open linkee read-only
- boolean readOnly = ((linkerDb instanceof DatabaseImpl) ?
- ((DatabaseImpl)linkerDb).isReadOnly() : false);
- return new DatabaseBuilder(new File(linkeeFileName))
- .setReadOnly(readOnly).open();
- }
- };
-
- /**
- * Returns the appropriate Database instance for the linkeeFileName from the
- * given linkerDb.
- */
- public Database resolveLinkedDatabase(Database linkerDb, String linkeeFileName)
- throws IOException;
- }
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