taverna-file-api/src/main/java/org/apache/taverna/workbench/file/AbstractDataflowPersistenceHandler.java

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.taverna.workbench.file;

import java.util.Collections;
import java.util.List;

import org.apache.taverna.workbench.file.exceptions.OpenException;
import org.apache.taverna.workbench.file.exceptions.SaveException;
import org.apache.taverna.scufl2.api.container.WorkflowBundle;

public abstract class AbstractDataflowPersistenceHandler implements
		DataflowPersistenceHandler {
	@Override
	public List<FileType> getOpenFileTypes() {
		return Collections.emptyList();
	}

	@Override
	public List<FileType> getSaveFileTypes() {
		return Collections.emptyList();
	}

	@Override
	public List<Class<?>> getOpenSourceTypes() {
		return Collections.emptyList();
	}

	@Override
	public List<Class<?>> getSaveDestinationTypes() {
		return Collections.emptyList();
	}

	@Override
	public DataflowInfo openDataflow(FileType fileType, Object source)
			throws OpenException {
		throw new UnsupportedOperationException();
	}

	@Override
	public DataflowInfo saveDataflow(WorkflowBundle workflowBundle, FileType fileType,
			Object destination) throws SaveException {
		throw new UnsupportedOperationException();
	}

	@Override
	public boolean wouldOverwriteDataflow(WorkflowBundle workflowBundle, FileType fileType,
			Object destination, DataflowInfo lastDataflowInfo) {
		throw new UnsupportedOperationException();
	}
}