org.yarnandtail.andhow.name.CaseInsensitiveNaming Maven / Gradle / Ivy
package org.yarnandtail.andhow.name;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.yarnandtail.andhow.api.*;
import org.yarnandtail.andhow.util.AndHowUtil;
import org.yarnandtail.andhow.api.BasePropertyGroup;
/**
* Case insensitive naming.
*
* @author eeverman
*/
public class CaseInsensitiveNaming implements NamingStrategy {
List EMPTY_NAMES = Collections.emptyList();
@Override
public PropertyNaming buildNames(Property prop,
Class parentGroup) throws Exception {
String canonName = AndHowUtil.getCanonicalName(parentGroup, prop);
return buildNamesFromCanonical(prop, parentGroup, canonName);
}
public PropertyNaming buildNamesFromCanonical(Property prop,
Class parentGroup, String canonicalName) {
if (canonicalName == null) return null;
EffectiveName canon = new EffectiveName(canonicalName, toEffectiveName(canonicalName), true, true);
List effAliases = EMPTY_NAMES;
if (prop.getRequestedAliases().size() > 0) {
effAliases = new ArrayList();
List reqAliases = prop.getRequestedAliases();
for (Name a : reqAliases) {
EffectiveName en = new EffectiveName(
a.getActualName(), toEffectiveName(a.getActualName()),
a.isIn(), a.isOut());
effAliases.add(en);
}
}
PropertyNaming naming = new PropertyNaming(canon, effAliases);
return naming;
}
@Override
public String toEffectiveName(String name) {
if (name != null) {
return name.toUpperCase();
} else {
return null;
}
}
@Override
public String getNameMatchingDescription() {
return "When reading property names, matching is done in a case insensitive way, " +
"so 'Bob' would match 'bOB'.";
}
}