package com.opensymphony.xwork2.util.location;
import com.opensymphony.xwork2.util.PropertiesReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
/**
* Properties implementation that remembers the location of each property. When
* loaded, a custom properties file parser is used to remember both the line number
* and preceeding comments for each property entry.
*/
public class LocatableProperties extends Properties implements Locatable {
Location location;
Map<String,Location> propLocations;
public LocatableProperties() {
this(null);
}
public LocatableProperties(Location loc) {
super();
this.location = loc;
this.propLocations = new HashMap<String,Location>();
}
@Override
public void load(InputStream in) throws IOException {
Reader reader = new InputStreamReader(in);
PropertiesReader pr = new PropertiesReader(reader);
while (pr.nextProperty()) {
String name = pr.getPropertyName();
String val = pr.getPropertyValue();
int line = pr.getLineNumber();
String desc = convertCommentsToString(pr.getCommentLines());
Location loc = new LocationImpl(desc, location.getURI(), line, 0);
setProperty(name, val, loc);
}
}
String convertCommentsToString(List<String> lines) {
StringBuilder sb = new StringBuilder();
if (lines != null && lines.size() > 0) {
for (String line : lines) {
sb.append(line).append('\n');
}
}
return sb.toString();
}
public Object setProperty(String key, String value, Object locationObj) {
Object obj = super.setProperty(key, value);
if (location != null) {
Location loc = LocationUtils.getLocation(locationObj);
propLocations.put(key, loc);
}
return obj;
}
public Location getPropertyLocation(String key) {
return propLocations.get(key);
}
public Location getLocation() {
return location;
}
}
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