package com.opensymphony.xwork2.conversion.impl;
import com.opensymphony.xwork2.FileManager;
import com.opensymphony.xwork2.FileManagerFactory;
import com.opensymphony.xwork2.conversion.ConversionFileProcessor;
import com.opensymphony.xwork2.conversion.TypeConverter;
import com.opensymphony.xwork2.conversion.TypeConverterCreator;
import com.opensymphony.xwork2.inject.Inject;
import com.opensymphony.xwork2.util.ClassLoaderUtil;
import com.opensymphony.xwork2.util.logging.Logger;
import com.opensymphony.xwork2.util.logging.LoggerFactory;
import java.io.InputStream;
import java.util.Map;
import java.util.Properties;
/**
* Default implementation of {@link ConversionFileProcessor}
*/
public class DefaultConversionFileProcessor implements ConversionFileProcessor {
private static final Logger LOG = LoggerFactory.getLogger(DefaultConversionFileProcessor.class);
private FileManager fileManager;
private TypeConverterCreator converterCreator;
@Inject
public void setFileManagerFactory(FileManagerFactory factory) {
fileManager = factory.getFileManager();
}
@Inject
public void setTypeConverterCreator(TypeConverterCreator converterCreator) {
this.converterCreator = converterCreator;
}
public void process(Map<String, Object> mapping, Class clazz, String converterFilename) {
try {
InputStream is = fileManager.loadFile(ClassLoaderUtil.getResource(converterFilename, clazz));
if (is != null) {
if (LOG.isDebugEnabled()) {
LOG.debug("Processing conversion file [#0] for class [#1]", converterFilename, clazz);
}
Properties prop = new Properties();
prop.load(is);
for (Map.Entry<Object, Object> entry : prop.entrySet()) {
String key = (String) entry.getKey();
if (mapping.containsKey(key)) {
break;
}
// for keyProperty of Set
if (key.startsWith(DefaultObjectTypeDeterminer.KEY_PROPERTY_PREFIX)
|| key.startsWith(DefaultObjectTypeDeterminer.CREATE_IF_NULL_PREFIX)) {
if (LOG.isDebugEnabled()) {
LOG.debug("\t" + key + ":" + entry.getValue() + "[treated as String]");
}
mapping.put(key, entry.getValue());
}
//for properties of classes
else if (!(key.startsWith(DefaultObjectTypeDeterminer.ELEMENT_PREFIX) ||
key.startsWith(DefaultObjectTypeDeterminer.KEY_PREFIX) ||
key.startsWith(DefaultObjectTypeDeterminer.DEPRECATED_ELEMENT_PREFIX))
) {
TypeConverter _typeConverter = converterCreator.createTypeConverter((String) entry.getValue());
if (LOG.isDebugEnabled()) {
LOG.debug("\t" + key + ":" + entry.getValue() + "[treated as TypeConverter " + _typeConverter + "]");
}
mapping.put(key, _typeConverter);
}
//for keys of Maps
else if (key.startsWith(DefaultObjectTypeDeterminer.KEY_PREFIX)) {
Class converterClass = Thread.currentThread().getContextClassLoader().loadClass((String) entry.getValue());
//check if the converter is a type converter if it is one
//then just put it in the map as is. Otherwise
//put a value in for the type converter of the class
if (converterClass.isAssignableFrom(TypeConverter.class)) {
TypeConverter _typeConverter = converterCreator.createTypeConverter((String) entry.getValue());
if (LOG.isDebugEnabled()) {
LOG.debug("\t" + key + ":" + entry.getValue() + "[treated as TypeConverter " + _typeConverter + "]");
}
mapping.put(key, _typeConverter);
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("\t" + key + ":" + entry.getValue() + "[treated as Class " + converterClass + "]");
}
mapping.put(key, converterClass);
}
}
//elements(values) of maps / lists
else {
Class _c = Thread.currentThread().getContextClassLoader().loadClass((String) entry.getValue());
if (LOG.isDebugEnabled()) {
LOG.debug("\t" + key + ":" + entry.getValue() + "[treated as Class " + _c + "]");
}
mapping.put(key, _c);
}
}
}
} catch (Exception ex) {
if (LOG.isErrorEnabled()) {
LOG.error("Problem loading properties for #0", ex, clazz.getName());
}
}
}
}