com.avaje.ebean.dbmigration.migrationreader.MigrationXmlWriter Maven / Gradle / Ivy
package com.avaje.ebean.dbmigration.migrationreader;
import com.avaje.ebean.dbmigration.migration.Migration;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
/**
* Simple writer for output of the Migration/ChangeSet as an XML document.
*/
public class MigrationXmlWriter {
private final String comment;
public MigrationXmlWriter(String comment) {
this.comment = comment;
}
/**
* Write a Migration to a file as an xml document to the file.
*/
public void write(Migration migration, File file) {
try {
FileWriter writer = new FileWriter(file);
writer.write("\n");
if (comment != null) {
writer.write("\n");
}
JAXBContext jaxbContext = JAXBContext.newInstance(Migration.class);
Marshaller marshaller = jaxbContext.createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
marshaller.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.TRUE);
marshaller.marshal(migration, writer);
writer.close();
} catch (IOException e) {
throw new RuntimeException(e);
} catch (JAXBException e) {
throw new RuntimeException(e);
}
}
}