/*
* Copyright 1999-2010 Luca Garulli (l.garulli--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.
*/
package com.orientechnologies.orient.server.config;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.StringReader;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
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 String configurationText;
private File file;
public OServerConfigurationLoaderXml(Class<? extends OServerConfiguration> iRootClass, String iConfigurationText) {
rootClass = iRootClass;
configurationText = iConfigurationText;
}
public OServerConfigurationLoaderXml(Class<? extends OServerConfiguration> iRootClass, File iFile) {
rootClass = iRootClass;
file = iFile;
}
public OServerConfiguration load() throws IOException {
try {
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
return rootClass.getConstructor(OServerConfigurationLoaderXml.class, String.class).newInstance(this, file);
obj.location = file.getAbsolutePath();
} else {
obj = rootClass.cast(unmarshaller.unmarshal(new StringReader(configurationText)));
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(ex);
}
throw new IOException(e);
}
}
public void save(final OServerConfiguration iRootObject) throws IOException {
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;
}
}