Entity.java

/*
 * #%L
 * Apache Geronimo JAX-RS Spec 2.0
 * %%
 * Copyright (C) 2003 - 2014 The Apache Software Foundation
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

package javax.ws.rs.client;

import javax.ws.rs.core.Form;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Variant;
import java.lang.annotation.Annotation;
import java.util.Locale;


public final class Entity<T> {
    private static final Annotation[] EMPTY_ANNOTATIONS = new Annotation[0];

    private final T entity;
    private final Variant variant;
    private final Annotation[] annotations;


    public static <T> Entity<T> entity(final T entity, final MediaType mediaType) {
        return new Entity<T>(entity, mediaType);
    }


    public static <T> Entity<T> entity(final T entity, final MediaType mediaType, Annotation[] annotations) {
        return new Entity<T>(entity, mediaType, annotations);
    }


    public static <T> Entity<T> entity(final T entity, final String mediaType) {
        return new Entity<T>(entity, MediaType.valueOf(mediaType));
    }


    public static <T> Entity<T> entity(final T entity, final Variant variant) {
        return new Entity<T>(entity, variant);
    }


    public static <T> Entity<T> entity(final T entity, final Variant variant, Annotation[] annotations) {
        return new Entity<T>(entity, variant, annotations);
    }


    public static <T> Entity<T> text(final T entity) {
        return new Entity<T>(entity, MediaType.TEXT_PLAIN_TYPE);
    }


    public static <T> Entity<T> xml(final T entity) {
        return new Entity<T>(entity, MediaType.APPLICATION_XML_TYPE);
    }


    public static <T> Entity<T> json(final T entity) {
        return new Entity<T>(entity, MediaType.APPLICATION_JSON_TYPE);
    }


    public static <T> Entity<T> html(final T entity) {
        return new Entity<T>(entity, MediaType.TEXT_HTML_TYPE);
    }


    public static <T> Entity<T> xhtml(final T entity) {
        return new Entity<T>(entity, MediaType.APPLICATION_XHTML_XML_TYPE);
    }


    public static Entity<Form> form(final Form form) {
        return new Entity<Form>(form, MediaType.APPLICATION_FORM_URLENCODED_TYPE);
    }


    public static Entity<Form> form(final MultivaluedMap<String, String> formData) {
        return new Entity<Form>(new Form(formData), MediaType.APPLICATION_FORM_URLENCODED_TYPE);
    }

    private Entity(final T entity, final MediaType mediaType) {
        this(entity, new Variant(mediaType, (Locale) null, null), EMPTY_ANNOTATIONS);
    }

    private Entity(final T entity, final Variant variant) {
        this(entity, variant, EMPTY_ANNOTATIONS);
    }

    private Entity(final T entity, final MediaType mediaType, Annotation[] annotations) {
        this(entity, new Variant(mediaType, (Locale) null, null), annotations);
    }

    private Entity(final T entity, final Variant variant, Annotation[] annotations) {
        this.entity = entity;
        this.variant = variant;
        this.annotations = annotations;
    }


    public Variant getVariant() {
        return variant;
    }


    public MediaType getMediaType() {
        return variant.getMediaType();
    }


    public String getEncoding() {
        return variant.getEncoding();
    }


    public Locale getLanguage() {
        return variant.getLanguage();
    }


    public T getEntity() {
        return entity;
    }


    public Annotation[] getAnnotations() {
        return annotations;
    }
}