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package org.glassfish.jersey.server.internal.inject;
import javax.ws.rs.core.MultivaluedMap;
import org.glassfish.jersey.internal.inject.ExtractorException;
import org.glassfish.jersey.server.internal.LocalizationMessages;
/**
* Value extractor for {@link java.lang.Character} and {@code char} parameters.
*
* @author Pavel Bucek (pavel.bucek at oracle.com)
*/
class PrimitiveCharacterExtractor implements MultivaluedParameterExtractor<Object> {
final String parameter;
final String defaultStringValue;
final Object defaultPrimitiveTypeValue;
public PrimitiveCharacterExtractor(String parameter, String defaultStringValue, Object defaultPrimitiveTypeValue) {
this.parameter = parameter;
this.defaultStringValue = defaultStringValue;
this.defaultPrimitiveTypeValue = defaultPrimitiveTypeValue;
}
@Override
public String getName() {
return parameter;
}
@Override
public String getDefaultValueString() {
return defaultStringValue;
}
@Override
public Object extract(MultivaluedMap<String, String> parameters) {
String v = parameters.getFirst(parameter);
if (v != null && !v.trim().isEmpty()) {
if (v.length() == 1) {
return v.charAt(0);
} else {
throw new ExtractorException(LocalizationMessages.ERROR_PARAMETER_INVALID_CHAR_VALUE(v));
}
} else if (defaultStringValue != null && !defaultStringValue.trim().isEmpty()) {
if (defaultStringValue.length() == 1) {
return defaultStringValue.charAt(0);
} else {
throw new ExtractorException(LocalizationMessages.ERROR_PARAMETER_INVALID_CHAR_VALUE(defaultStringValue));
}
}
return defaultPrimitiveTypeValue;
}
}