Files
no-java/src/nodash/core/NoConfigDefault.java
Dave ee72415e63 Removed all incidents of e.printStackTrace, wrapped errors with
NoDashFatalExceptions instead of overwriting
2014-12-26 17:15:54 +02:00

85 lines
2.5 KiB
Java

/*
* Copyright 2014 David Horscroft
*
* 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.
*
* The NoConfig is a means to store the server secret key, database address
* and other configs.
*/
package nodash.core;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;
import nodash.exceptions.NoDashFatalException;
public final class NoConfigDefault extends NoConfigBase implements Serializable {
private static final long serialVersionUID = -8498303909736017075L;
private static final String CONFIG_FILENAME = "noconfig.cfg";
private String databaseFileName = "nodatabase.hash";
@Override
public boolean saveDatabase() {
return saveDatabase;
}
public String getDatabaseName() {
return databaseFileName;
}
@Override
public boolean saveByteSets() {
return saveByteSets;
}
@Override
public void saveNoConfig() {
try {
File file = new File(NoConfigDefault.CONFIG_FILENAME);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(this);
byte[] data = baos.toByteArray();
Files.write(file.toPath(), data, StandardOpenOption.CREATE_NEW);
} catch (IOException e) {
throw new NoDashFatalException("Unable to save config, including generated secret key.", e);
}
}
@Override
public NoConfigInterface loadNoConfig() throws IOException {
File file = new File(NoConfigDefault.CONFIG_FILENAME);
byte[] data = Files.readAllBytes(file.toPath());
ByteArrayInputStream bais = new ByteArrayInputStream(data);
ObjectInputStream ois = new ObjectInputStream(bais);
NoConfigInterface noConfig;
try {
noConfig = (NoConfigDefault) ois.readObject();
} catch (ClassNotFoundException e) {
throw new NoDashFatalException("Given bytestream does not compile into a configuration object.", e);
}
return noConfig;
}
}