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• 2.3.0
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• ServiceMethod.java

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retrofit2.ServiceMethod Maven / Gradle / Ivy

/*
 * 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 retrofit2;

import java.io.IOException;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.net.URI;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.annotation.Nullable;
import okhttp3.Headers;
import okhttp3.HttpUrl;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.ResponseBody;
import retrofit2.http.Body;
import retrofit2.http.DELETE;
import retrofit2.http.Field;
import retrofit2.http.FieldMap;
import retrofit2.http.FormUrlEncoded;
import retrofit2.http.GET;
import retrofit2.http.HEAD;
import retrofit2.http.HTTP;
import retrofit2.http.Header;
import retrofit2.http.HeaderMap;
import retrofit2.http.Multipart;
import retrofit2.http.OPTIONS;
import retrofit2.http.PATCH;
import retrofit2.http.POST;
import retrofit2.http.PUT;
import retrofit2.http.Part;
import retrofit2.http.PartMap;
import retrofit2.http.Path;
import retrofit2.http.Query;
import retrofit2.http.QueryMap;
import retrofit2.http.QueryName;
import retrofit2.http.Url;

/** Adapts an invocation of an interface method into an HTTP call. */
final class ServiceMethod {
  // Upper and lower characters, digits, underscores, and hyphens, starting with a character.
  static final String PARAM = "[a-zA-Z][a-zA-Z0-9_-]*";
  static final Pattern PARAM_URL_REGEX = Pattern.compile("\\{(" + PARAM + ")\\}");
  static final Pattern PARAM_NAME_REGEX = Pattern.compile(PARAM);

  final okhttp3.Call.Factory callFactory;
  final CallAdapter callAdapter;

  private final HttpUrl baseUrl;
  private final Converter responseConverter;
  private final String httpMethod;
  private final String relativeUrl;
  private final Headers headers;
  private final MediaType contentType;
  private final boolean hasBody;
  private final boolean isFormEncoded;
  private final boolean isMultipart;
  private final ParameterHandler[] parameterHandlers;

  ServiceMethod(Builder builder) {
    this.callFactory = builder.retrofit.callFactory();
    this.callAdapter = builder.callAdapter;
    this.baseUrl = builder.retrofit.baseUrl();
    this.responseConverter = builder.responseConverter;
    this.httpMethod = builder.httpMethod;
    this.relativeUrl = builder.relativeUrl;
    this.headers = builder.headers;
    this.contentType = builder.contentType;
    this.hasBody = builder.hasBody;
    this.isFormEncoded = builder.isFormEncoded;
    this.isMultipart = builder.isMultipart;
    this.parameterHandlers = builder.parameterHandlers;
  }

  /** Builds an HTTP request from method arguments. */
  Request toRequest(@Nullable Object... args) throws IOException {
    RequestBuilder requestBuilder = new RequestBuilder(httpMethod, baseUrl, relativeUrl, headers,
        contentType, hasBody, isFormEncoded, isMultipart);

    @SuppressWarnings("unchecked") // It is an error to invoke a method with the wrong arg types.
    ParameterHandler