java/src/main/com/google/appengine/tools/remoteapi/BaseRemoteApiClient.java

   1 package com.google.appengine.tools.remoteapi;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 /**
   7  * Base implementation for Remote API clients.
   8  */
   9 abstract class BaseRemoteApiClient implements RemoteApiClient {
  10
  11   private final String hostname;
  12   private final int port;
  13   private final String remoteApiPath;
  14   private final String appId;
  15
  16   BaseRemoteApiClient(RemoteApiOptions options, String appId) {
  17     this.hostname = options.getHostname();
  18     this.port = options.getPort();
  19     this.remoteApiPath = options.getRemoteApiPath();
  20     this.appId = appId;
  21   }
  22
  23   /**
  24    * @return the path to the remote api for this app (if logged in), {@code null} otherwise
  25    */
  26   @Override
  27   public String getRemoteApiPath() {
  28     return remoteApiPath;
  29   }
  30
  31   /**
  32    * @return the app id for this app (if logged in), {@code null} otherwise
  33    */
  34   @Override
  35   public String getAppId() {
  36     return appId;
  37   }
  38
  39   String getHostname() {
  40     return hostname;
  41   }
  42
  43   int getPort() {
  44     return port;
  45   }
  46
  47   /**
  48    * Returns a full URL given a path.
  49    */
  50   String makeUrl(String path) {
  51     if (!path.startsWith("/")) {
  52       throw new IllegalArgumentException("path doesn't start with a slash: " + path);
  53     }
  54     String protocol = port == 443 ? "https" : "http";
  55     return protocol + "://" + hostname + ":" + port + path;
  56   }
  57
  58   /**
  59    * Returns a mutable list of headers required on all remote api requests.
  60    * Each header is a 2-element array with the name in element 0 and the value
  61    * in element 1.
  62    */
  63   List<String[]> getHeadersBase() {
  64     List<String[]> headers = new ArrayList<String[]>();
  65     headers.add(new String[]{"Host", hostname});
  66     headers.add(new String[]{"X-appcfg-api-version", "1"});
  67     return headers;
  68   }
  69 }