schemacrawler.tools.options.FileOutputResource Maven / Gradle / Ivy
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SchemaCrawler is an open-source Java API that makes working with database metadata as easy as working with plain old Java objects. SchemaCrawler is also a database schema discovery and comprehension, and schema documentation tool. You can search for database schema objects using regular expressions, and output the schema and data in a readable text format. The output is designed to be diff-ed against other database schemas.
/*
*
* SchemaCrawler
* http://sourceforge.net/projects/schemacrawler
* Copyright (c) 2000-2015, Sualeh Fatehi.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
package schemacrawler.tools.options;
import static java.nio.file.Files.newBufferedWriter;
import static java.nio.file.StandardOpenOption.APPEND;
import static java.nio.file.StandardOpenOption.CREATE;
import static java.nio.file.StandardOpenOption.TRUNCATE_EXISTING;
import static java.nio.file.StandardOpenOption.WRITE;
import static java.util.Objects.requireNonNull;
import java.io.IOException;
import java.io.Writer;
import java.nio.charset.Charset;
import java.nio.file.OpenOption;
import java.nio.file.Path;
import java.util.logging.Level;
import java.util.logging.Logger;
public class FileOutputResource
implements OutputResource
{
private static final Logger LOGGER = Logger
.getLogger(FileOutputResource.class.getName());
private final Path outputFile;
public FileOutputResource(final Path filePath)
{
outputFile = requireNonNull(filePath, "No file path provided").normalize()
.toAbsolutePath();
}
@Override
public String getDescription()
{
return outputFile.toString();
}
public Path getOutputFile()
{
return outputFile;
}
@Override
public Writer openOutputWriter(final Charset charset,
final boolean appendOutput)
throws IOException
{
requireNonNull(charset, "No output charset provided");
final OpenOption[] openOptions;
if (appendOutput)
{
openOptions = new OpenOption[] {
WRITE, CREATE, APPEND
};
}
else
{
openOptions = new OpenOption[] {
WRITE, CREATE, TRUNCATE_EXISTING
};
}
final Writer writer = newBufferedWriter(outputFile, charset, openOptions);
LOGGER.log(Level.INFO, "Opened output writer to file, " + outputFile);
return writer;
}
@Override
public boolean shouldCloseWriter()
{
return true;
}
@Override
public String toString()
{
return getDescription();
}
}
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