/*****************************************************************
* 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.cayenne.project;
import java.io.File;
import org.apache.cayenne.conf.Configuration;
import org.apache.cayenne.conf.DataSourceFactory;
import org.apache.cayenne.conf.FileConfiguration;
import org.apache.cayenne.util.ResourceLocator;
/**
* Subclass of FileConfiguration used in the project model.
*
* @author Misha Shengaout
* @author Andrus Adamchik
*/
public class ProjectConfiguration extends FileConfiguration {
/**
* Override parent implementation to ignore loading failures.
*
* @see FileConfiguration#FileConfiguration(File)
*/
public ProjectConfiguration(File projectFile) {
super(projectFile);
// ignore loading failures
this.setIgnoringLoadFailures(true);
// configure deterministic file opening rules
ResourceLocator locator = this.getResourceLocator();
locator.setSkipAbsolutePath(false);
locator.setSkipClasspath(true);
locator.setSkipCurrentDirectory(true);
locator.setSkipHomeDirectory(true);
}
/**
* Override parent implementation to prevent loading of nonexisting files.
*
* @see FileConfiguration#canInitialize()
*/
@Override
public boolean canInitialize() {
return (super.canInitialize() && this.getProjectFile().isFile());
}
/**
* Override parent implementation to allow for null files.
*
* @see FileConfiguration#setProjectFile(File)
*/
@Override
protected void setProjectFile(File projectFile) {
if ((projectFile != null) && (projectFile.exists())) {
super.setProjectFile(projectFile);
}
else {
super.projectFile = projectFile;
this.setDomainConfigurationName(Configuration.DEFAULT_DOMAIN_FILE);
}
}
/**
* Returns a DataSource factory for projects.
*
* @see org.apache.cayenne.project.ProjectDataSourceFactory
*/
@Override
public DataSourceFactory getDataSourceFactory() {
try {
return new ProjectDataSourceFactory(this.getProjectDirectory());
}
catch (Exception e) {
throw new ProjectException("Error creating DataSourceFactory.", e);
}
}
}