com.pangbo.android.thirdframworks.retrofit.Response.java Source code

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Here is the source code for com.pangbo.android.thirdframworks.retrofit.Response.java

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/*
 * Copyright (C) 2015 Square, Inc.
 *
 * 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.
 */
package com.pangbo.android.thirdframworks.retrofit;

import com.squareup.okhttp.Headers;
import com.squareup.okhttp.Protocol;
import com.squareup.okhttp.ResponseBody;

/** An HTTP response. */
public final class Response<T> {
    /** Create a synthetic successful response with {@code body} as the deserialized body. */
    public static <T> Response<T> success(T body) {
        return success(body, new com.squareup.okhttp.Response.Builder() //
                .code(200).message("OK").protocol(Protocol.HTTP_1_1)
                .request(new com.squareup.okhttp.Request.Builder().url("http://localhost").build()).build());
    }

    /**
     * Create a successful response from {@code rawResponse} with {@code body} as the deserialized
     * body.
     */
    public static <T> Response<T> success(T body, com.squareup.okhttp.Response rawResponse) {
        if (rawResponse == null)
            throw new NullPointerException("rawResponse == null");
        if (!rawResponse.isSuccessful()) {
            throw new IllegalArgumentException("rawResponse must be successful response");
        }
        return new Response<>(rawResponse, body, null);
    }

    /**
     * Create a synthetic error response with an HTTP status code of {@code code} and {@code body}
     * as the error body.
     */
    public static <T> Response<T> error(int code, ResponseBody body) {
        if (code < 400)
            throw new IllegalArgumentException("code < 400: " + code);
        return error(body, new com.squareup.okhttp.Response.Builder() //
                .code(code).protocol(Protocol.HTTP_1_1)
                .request(new com.squareup.okhttp.Request.Builder().url("http://localhost").build()).build());
    }

    /** Create an error response from {@code rawResponse} with {@code body} as the error body. */
    public static <T> Response<T> error(ResponseBody body, com.squareup.okhttp.Response rawResponse) {
        if (body == null)
            throw new NullPointerException("body == null");
        if (rawResponse == null)
            throw new NullPointerException("rawResponse == null");
        if (rawResponse.isSuccessful()) {
            throw new IllegalArgumentException("rawResponse should not be successful response");
        }
        return new Response<>(rawResponse, null, body);
    }

    private final com.squareup.okhttp.Response rawResponse;
    private final T body;
    private final ResponseBody errorBody;

    private Response(com.squareup.okhttp.Response rawResponse, T body, ResponseBody errorBody) {
        this.rawResponse = rawResponse;
        this.body = body;
        this.errorBody = errorBody;
    }

    /** The raw response from the HTTP client. */
    public com.squareup.okhttp.Response raw() {
        return rawResponse;
    }

    /** HTTP status code. */
    public int code() {
        return rawResponse.code();
    }

    /** HTTP status message or null if unknown. */
    public String message() {
        return rawResponse.message();
    }

    /** HTTP headers. */
    public Headers headers() {
        return rawResponse.headers();
    }

    /** {@code true} if {@link #code()} is in the range [200..300). */
    public boolean isSuccess() {
        return rawResponse.isSuccessful();
    }

    /** The deserialized response body of a {@linkplain #isSuccess() successful} response. */
    public T body() {
        return body;
    }

    /** The raw response body of an {@linkplain #isSuccess() unsuccessful} response. */
    public ResponseBody errorBody() {
        return errorBody;
    }
}