增加临时文件目录配置

在下载多媒体文件下载时可以指定临时文件目录。

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpConfigStorage.java

@@ -1,5 +1,7 @@
 package me.chanjar.weixin.mp.api;
 
+import java.io.File;
+
 import me.chanjar.weixin.common.bean.WxAccessToken;
 
 /**
@@ -68,7 +70,8 @@ public interface WxMpConfigStorage {
 
   public String getHttp_proxy_username();
 
-
   public String getHttp_proxy_password();
+  
+  public File getTmpDirFile();
 
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpInMemoryConfigStorage.java

@@ -1,5 +1,7 @@
 package me.chanjar.weixin.mp.api;
 
+import java.io.File;
+
 import me.chanjar.weixin.common.bean.WxAccessToken;
 
 /**
@@ -11,8 +13,8 @@ public class WxMpInMemoryConfigStorage implements WxMpConfigStorage {
 
   protected volatile String appId;
   protected volatile String secret;
-    protected volatile String partnerId;
-    protected volatile String partnerKey;
+  protected volatile String partnerId;
+  protected volatile String partnerKey;
   protected volatile String token;
   protected volatile String accessToken;
   protected volatile String aesKey;
@@ -28,6 +30,11 @@ public class WxMpInMemoryConfigStorage implements WxMpConfigStorage {
   protected volatile String jsapiTicket;
   protected volatile long jsapiTicketExpiresTime;
 
+  /**
+   * 临时文件目录
+   */
+  protected volatile File tmpDirFile;
+  
   public String getAccessToken() {
     return this.accessToken;
   }
@@ -181,6 +188,7 @@ public class WxMpInMemoryConfigStorage implements WxMpConfigStorage {
         ", http_proxy_password='" + http_proxy_password + '\'' +
         ", jsapiTicket='" + jsapiTicket + '\'' +
         ", jsapiTicketExpiresTime='" + jsapiTicketExpiresTime + '\'' +
+        ", tmpDirFile='" + tmpDirFile + '\'' +
         '}';
   }
 
@@ -201,4 +209,9 @@ public class WxMpInMemoryConfigStorage implements WxMpConfigStorage {
     public void setPartnerKey(String partnerKey) {
         this.partnerKey = partnerKey;
     }
+
+    @Override
+    public File getTmpDirFile() {
+      return this.getTmpDirFile();
+    }
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpServiceImpl.java

@@ -7,6 +7,7 @@ import com.google.gson.internal.Streams;
 import com.google.gson.reflect.TypeToken;
 import com.google.gson.stream.JsonReader;
 import com.thoughtworks.xstream.XStream;
+
 import me.chanjar.weixin.common.bean.WxAccessToken;
 import me.chanjar.weixin.common.bean.WxMenu;
 import me.chanjar.weixin.common.bean.WxJsapiSignature;
@@ -27,6 +28,7 @@ import me.chanjar.weixin.mp.bean.*;
 import me.chanjar.weixin.mp.bean.result.*;
 import me.chanjar.weixin.mp.util.http.QrCodeRequestExecutor;
 import me.chanjar.weixin.mp.util.json.WxMpGsonBuilder;
+
 import org.apache.http.Consts;
 import org.apache.http.HttpHost;
 import org.apache.http.auth.AuthScope;
@@ -214,7 +216,7 @@ public class WxMpServiceImpl implements WxMpService {
   
   public File mediaDownload(String media_id) throws WxErrorException {
     String url = "http://file.api.weixin.qq.com/cgi-bin/media/get";
-    return execute(new MediaDownloadRequestExecutor(), url, "media_id=" + media_id);
+    return execute(new MediaDownloadRequestExecutor(wxMpConfigStorage.getTmpDirFile()), url, "media_id=" + media_id);
   }
 
   public WxMpMassUploadResult massNewsUpload(WxMpMassNews news) throws WxErrorException {