/*
* Copyright 2013 TecO - Karlsruhe Institute of Technology
*
* 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 squirrel.model.io;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.net.URL;
import java.util.List;
import squirrel.model.Annotation;
import squirrel.model.AnnotationModelImpl;
/**
* To save and load the Project
* @author marc
*
*/
public class ProjectIO {
private URL projectLocation;
private String name;
/**
* Construct the ProjectIO class with parameter to save
* @param projectLocation the path to the project
*/
public ProjectIO(URL projectLocation, String name) {
this.projectLocation = projectLocation;
this.name = name;
}
/**
* To Save the Project
* @param dataSource the dataSource of the Project
* @param annotations the Annotations of the Project
*/
public void saveProject(DataSource dataSource, AnnotationModelImpl model) {
ProjectSaveHolder sh = new ProjectSaveHolder(dataSource, model);
FileOutputStream fos;
ObjectOutputStream out;
try {
fos = new FileOutputStream(projectLocation.getPath()+"/"+name);
out = new ObjectOutputStream(fos);
out.writeObject(sh);
out.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* To read the saved DataSource
* @return DataSource dataSource to reload the data
*/
public DataSource readDataSourceIntern() {
FileInputStream fis;
ObjectInputStream in;
try {
fis = new FileInputStream(projectLocation.getPath()+"/"+name);
in = new ObjectInputStream(fis);
ProjectSaveHolder sh = (ProjectSaveHolder) in.readObject();
DataSource<DataColumn> ds = sh.getDataSource();
in.close();
return ds;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return null;
}
/**
* Reads all annotations from the file with the given filename in this
* project location.
* @return annotations from the file with given filename
*/
public AnnotationModelImpl readModelIntern() {
List<Annotation[]> anno = null;
FileInputStream fis;
ObjectInputStream in;
try {
fis = new FileInputStream(projectLocation.getPath()+"/"+name);
in = new ObjectInputStream(fis);
ProjectSaveHolder sh = (ProjectSaveHolder) in.readObject();
in.close();
return sh.getAnnotations();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return null;
}
}