/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
* *
* * 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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.orient.server.config;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import com.orientechnologies.common.io.OFileUtils;
import com.orientechnologies.common.log.OLogManager;
import com.orientechnologies.orient.core.config.OGlobalConfiguration;
public class OServerConfigurationLoaderXml {
private Class<? extends OServerConfiguration> rootClass;
private JAXBContext context;
private InputStream inputStream;
private File file;
public OServerConfigurationLoaderXml(final Class<? extends OServerConfiguration> iRootClass, final InputStream iInputStream) {
rootClass = iRootClass;
inputStream = iInputStream;
}
public OServerConfigurationLoaderXml(final Class<? extends OServerConfiguration> iRootClass, final File iFile) {
rootClass = iRootClass;
file = iFile;
}
public OServerConfiguration load() throws IOException {
try {
if (file != null) {
String path = OFileUtils.getPath(file.getAbsolutePath());
String current = OFileUtils.getPath(new File("").getAbsolutePath());
if (path.startsWith(current))
path = path.substring(current.length() + 1);
OLogManager.instance().info(this, "Loading configuration from: %s...", path);
} else {
OLogManager.instance().info(this, "Loading configuration from input stream");
}
context = JAXBContext.newInstance(rootClass);
Unmarshaller unmarshaller = context.createUnmarshaller();
unmarshaller.setSchema(null);
final OServerConfiguration obj;
if (file != null) {
if (file.exists())
obj = rootClass.cast(unmarshaller.unmarshal(file));
else {
OLogManager.instance().error(this, "File not found: %s", file);
return rootClass.getConstructor(OServerConfigurationLoaderXml.class).newInstance(this);
}
obj.location = file.getAbsolutePath();
} else {
obj = rootClass.cast(unmarshaller.unmarshal(inputStream));
obj.location = "memory";
}
// AUTO CONFIGURE SYSTEM CONFIGURATION
OGlobalConfiguration config;
if (obj.properties != null)
for (OServerEntryConfiguration prop : obj.properties) {
try {
config = OGlobalConfiguration.findByKey(prop.name);
if (config != null) {
config.setValue(prop.value);
}
} catch (Exception e) {
}
}
return obj;
} catch (Exception e) {
// SYNTAX ERROR? PRINT AN EXAMPLE
OLogManager.instance().error(this, "Invalid syntax. Below an example of how it should be:", e);
try {
context = JAXBContext.newInstance(rootClass);
Marshaller marshaller = context.createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
Object example = rootClass.getConstructor(OServerConfigurationLoaderXml.class).newInstance(this);
marshaller.marshal(example, System.out);
} catch (Exception ex) {
}
throw new IOException(e);
}
}
public void save(final OServerConfiguration iRootObject) throws IOException {
if (file != null)
try {
context = JAXBContext.newInstance(rootClass);
Marshaller marshaller = context.createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
marshaller.marshal(iRootObject, new FileWriter(file));
} catch (JAXBException e) {
throw new IOException(e);
}
}
public File getFile() {
return file;
}
public void setFile(File file) {
this.file = file;
}
}