Translator.java

package com.hypnoticocelot.jaxrs.doclet.translator;

import com.google.common.base.Objects;
import com.google.common.base.Strings;
import com.sun.javadoc.FieldDoc;
import com.sun.javadoc.MethodDoc;
import com.sun.javadoc.Type;

public interface Translator {

    OptionalName typeName(Type type);

    OptionalName fieldName(FieldDoc field);

    OptionalName methodName(MethodDoc method);

    class OptionalName {
        private final Status status;
        private final String name;

        private OptionalName(Status status, String name) {
            this.status = status;
            this.name = name;
        }

        public static OptionalName presentOrMissing(String name) {
            if (!Strings.isNullOrEmpty(name)) {
                return new OptionalName(Status.PRESENT, name);
            } else {
                return new OptionalName(Status.MISSING, null);
            }
        }

        public static OptionalName ignored() {
            return new OptionalName(Status.IGNORED, null);
        }

        public String value() {
            return name;
        }

        public boolean isPresent() {
            return status == Status.PRESENT;
        }

        public boolean isMissing() {
            return status == Status.MISSING;
        }

        private static enum Status {
            PRESENT, IGNORED, MISSING
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;
            OptionalName that = (OptionalName) o;
            return Objects.equal(status, that.status)
                    && Objects.equal(name, that.name);
        }

        @Override
        public int hashCode() {
            return Objects.hashCode(status, name);
        }

        @Override
        public String toString() {
            return Objects.toStringHelper(this)
                    .add("status", status)
                    .add("name", name)
                    .toString();
        }
    }

}