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Common classes for avc-commons3 queries and filtering.
package net.avcompris.commons.query.impl;
import static net.avcompris.commons.query.Filtering.Type.EQ;
import static net.avcompris.commons.query.impl.FieldUtils.isBooleanField;
import static net.avcompris.commons.query.impl.FieldUtils.isDateTimeField;
import static net.avcompris.commons.query.impl.FieldUtils.isEnumField;
import static net.avcompris.commons.query.impl.FieldUtils.isIntField;
import static net.avcompris.commons.query.impl.FieldUtils.isStringField;
import static net.avcompris.commons.query.impl.FilteringFieldProxy.extractFieldValue;
import javax.annotation.Nullable;
import org.apache.commons.lang3.NotImplementedException;
import org.joda.time.DateTime;
import net.avcompris.commons.query.DateTimePrecision;
import net.avcompris.commons.query.Filtering;
import net.avcompris.commons.query.FilteringHandler;
final class EqProxy, U extends Filtering.Field> extends AbstractFilteringFieldProxy {
public EqProxy(final Class filteringClass, final U field, @Nullable final Object refValue) {
super(filteringClass, field, "eq", refValue);
}
@Override
public boolean match(final Object arg) {
if (arg == null) {
return refValue == null;
}
if (refValue == null) {
return false;
}
final boolean isEnum = FieldUtils.isEnumField(field);
final Class argClass = arg.getClass();
if (String.class.equals(argClass)) {
return ((String) arg).equals(refValue);
} else if (Integer.class.equals(argClass)) {
return ((Integer) arg).equals(refValue);
} else if (Boolean.class.equals(argClass)) {
return ((Boolean) arg).equals(refValue);
} else if (argClass.isPrimitive()) {
throw new NotImplementedException("argClass: " + argClass);
} else if (DateTime.class.equals(argClass)) {
return ((DateTime) arg).equals(refValue);
} else if (refValue instanceof String) {
if (isEnum) {
final Object value = extractFieldValue(arg, field, Enum.class);
if (value == null) {
return false;
} else if (value instanceof Enum) {
return ((Enum) value).name().equals(refValue);
} else {
return refValue.equals((String) value);
}
} else {
final String value = extractFieldValue(arg, field, String.class);
return refValue.equals(value);
}
} else if (refValue instanceof Integer) {
final int value = extractFieldValue(arg, field, int.class);
return value == (int) refValue;
} else if (refValue instanceof Boolean) {
final boolean value = extractFieldValue(arg, field, boolean.class);
return value == (boolean) refValue;
} else if (refValue instanceof Enum) {
final Object value = extractFieldValue(arg, field, Enum.class);
if (value == null) {
return false;
} else if (value instanceof Enum) {
return value == (Enum) refValue;
} else {
return ((Enum) refValue).name().contentEquals((String) value);
}
} else if (refValue instanceof DateTimeArg) {
final DateTime value = extractFieldValue(arg, field, DateTime.class);
final DateTimeArg dateTimeArg = (DateTimeArg) refValue;
return dateTimeArg.eq(value);
} else if (refValue instanceof EnumArg) {
final EnumArg enumArg = (EnumArg) refValue;
final Object value = extractFieldValue(arg, field, Enum.class);
if (value == null) {
return false;
} else if (value instanceof Enum) {
return enumArg.hasEnumValue()
? value == enumArg.enumValue()
: false;
} else {
return enumArg.hasEnumValue()
? enumArg.enumValue().name().contentEquals((String) value)
: enumArg.s.contentEquals((String) value);
}
}
throw new NotImplementedException("argClass: " + argClass);
}
@Override
public void applyTo(final FilteringHandler handler) {
if (isStringField(field)) {
handler.eq(field, (String) refValue);
} else if (isIntField(field)) {
handler.eq(field, (int) refValue);
} else if (isBooleanField(field)) {
handler.eq(field, (boolean) refValue);
} else if (isDateTimeField(field)) {
if (refValue == null) {
handler.eq(field, (DateTime) null, DateTimePrecision.MILLISECOND);
} else if (refValue instanceof DateTimeArg) {
final DateTimeArg dateTimeArg = (DateTimeArg) refValue;
handler.eq(field, dateTimeArg.dateTime, dateTimeArg.precision);
} else {
handler.eq(field, (DateTime) refValue, DateTimePrecision.MILLISECOND);
}
} else if (isEnumField(field)) {
if (refValue == null) {
handler.eq(field, (Enum) null);
} else if (refValue instanceof EnumArg) {
final EnumArg enumArg = (EnumArg) refValue;
if (enumArg.hasEnumValue()) {
handler.eq(field, enumArg.enumValue());
} else {
handler.eq(field, enumArg.s);
}
} else {
handler.eq(field, (Enum) refValue);
}
} else {
throw new NotImplementedException("refValue.class: " + refValue.getClass().getName());
}
}
@Override
public Type getType() {
return EQ;
}
}
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