com.spun.util.ConfigXMLFileReader Maven / Gradle / Ivy
package com.spun.util;
import com.spun.util.io.XMLUtils;
import java.lang.reflect.Field;
import java.util.HashMap;
/**
* @author Llewellyn Falco
*
* To change the template for this generated type comment go to
* Window - Preferences - Java - Code Generation - Code and Comments
*/
public class ConfigXMLFileReader
{
public static String loadXML(Class clazz, String[] exclude, String fileLocation, String[] backupPaths)
{
String fileNameUsed = XMLUtils.locateFile(fileLocation, backupPaths);
loadXML(clazz, exclude, fileNameUsed);
return fileNameUsed;
}
public static void loadXML(Class clazz, String[] exclude, String knownFileLocation)
{
HashMap properties = XMLUtils.parseProperties(knownFileLocation, new ConfigXMLNodeExtractor());
ObjectUtils.throwAsError(() -> loadClass(clazz, exclude, properties));
}
private static void loadClass(Class clazz, String[] exclude, HashMap properties)
{
Field[] fields = ConfigXMLFileWriter.getFields(clazz, exclude);
for (int i = 0; i < fields.length; i++)
{
assignField(fields[i], properties);
}
//My_System.variable("fields " ,ObjectUtils.extractArray(fields, "getName"));
}
private static void assignField(Field field, HashMap properties)
{
try
{
String name = field.getName();
Object value = properties.get(name);
if (value == null)
{
} // do nothing, leave default
else if (field.getType().isAssignableFrom(String.class))
{
field.set(null, value);
}
else if (field.getType().isAssignableFrom(String[].class))
{
field.set(null, value);
}
else if (field.getType().isAssignableFrom(int.class))
{
field.setInt(null, NumberUtils.load((String) value, field.getInt(null)));
}
else if (field.getType().isAssignableFrom(double.class))
{
field.setDouble(null, NumberUtils.load((String) value, field.getDouble(null)));
}
else if (field.getType().isAssignableFrom(boolean.class))
{
field.setBoolean(null, NumberUtils.load((String) value, field.getBoolean(null)));
}
else
{
throw new Error("don't know how to handle field of type " + field.getType().getName());
}
}
catch (Exception e)
{
throw ObjectUtils.throwAsError(e);
}
}
}