RequestProcessor.java

/*
 * Copyright 2016 Axibase Corporation or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 * https://www.axibase.com/atsd/axibase-apache-2.0.pdf
 *
 * or in the "license" file accompanying this file. This file 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.
 */
package com.axibase.tsd.client;

import javax.ws.rs.client.Entity;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;


class RequestProcessor<T> {
    private Type type;
    private T command;

    private RequestProcessor(Type type, T command) {
        this.type = type;
        this.command = command;
    }

    public Response process(Invocation.Builder request, String mediaType) {
        if (type == Type.DELETE) {
            return request.accept(MediaType.APPLICATION_JSON).delete();
        } else {
            return request.accept(MediaType.APPLICATION_JSON).method(type.name(), Entity.entity(command, mediaType));
        }
    }

    public static enum Type {
        POST,
        PUT,
        PATCH,
        DELETE
    }

    public static <T> RequestProcessor<T> post(T command) {
        return new RequestProcessor<>(Type.POST, command);
    }

    public static <T> RequestProcessor<T> put(T command) {
        return new RequestProcessor<>(Type.PUT, command);
    }

    public static <T> RequestProcessor<T> patch(T command) {
        return new RequestProcessor<>(Type.PATCH, command);
    }

    public static <T> RequestProcessor<T> delete() {
        return new RequestProcessor<>(Type.DELETE, null);
    }
}