package com.opensymphony.xwork2.conversion.impl;
import com.opensymphony.xwork2.XWorkException;
import com.opensymphony.xwork2.conversion.ConversionPropertiesProcessor;
import com.opensymphony.xwork2.conversion.TypeConverter;
import com.opensymphony.xwork2.conversion.TypeConverterCreator;
import com.opensymphony.xwork2.conversion.TypeConverterHolder;
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.IOException;
import java.net.URL;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
/**
* TODO lukaszlenart: add a comment
*/
public class DefaultConversionPropertiesProcessor implements ConversionPropertiesProcessor {
private static final Logger LOG = LoggerFactory.getLogger(DefaultConversionPropertiesProcessor.class);
private TypeConverterCreator converterCreator;
private TypeConverterHolder converterHolder;
@Inject
public void setTypeConverterCreator(TypeConverterCreator converterCreator) {
this.converterCreator = converterCreator;
}
@Inject
public void setTypeConverterHolder(TypeConverterHolder converterHolder) {
this.converterHolder = converterHolder;
}
public void process(String propsName) {
loadConversionProperties(propsName, false);
}
public void processRequired(String propsName) {
loadConversionProperties(propsName, true);
}
public void loadConversionProperties(String propsName, boolean require) {
try {
Iterator<URL> resources = ClassLoaderUtil.getResources(propsName, getClass(), true);
while (resources.hasNext()) {
URL url = resources.next();
Properties props = new Properties();
props.load(url.openStream());
if (LOG.isDebugEnabled()) {
LOG.debug("processing conversion file [" + propsName + "]");
}
for (Object o : props.entrySet()) {
Map.Entry entry = (Map.Entry) o;
String key = (String) entry.getKey();
try {
TypeConverter _typeConverter = converterCreator.createTypeConverter((String) entry.getValue());
if (LOG.isDebugEnabled()) {
LOG.debug("\t" + key + ":" + entry.getValue() + " [treated as TypeConverter " + _typeConverter + "]");
}
converterHolder.addDefaultMapping(key, _typeConverter);
} catch (Exception e) {
LOG.error("Conversion registration error", e);
}
}
}
} catch (IOException ex) {
if (require) {
throw new XWorkException("Cannot load conversion properties file: "+propsName, ex);
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Cannot load conversion properties file: #0", ex, propsName);
}
}
}
}
}