Step 2: Preparing a DIS Application Development Environment

Prerequisites

• JDK 1.8 or later has been installed.
• Eclipse has been installed.

Procedure

1. Configure a JDK using Eclipse.
   1. Start Eclipse and choose Window > Preferences. The Preferences dialog box is displayed.
   2. In the navigation tree, choose Java. On the Java page, configure general settings for Java development and then click OK.
      Figure 1 Preferences
      
   3. In the navigation tree, choose Java > Installed JREs.
      • Ensure that configured JDK environmental variables are displayed on the Installed JREs page. Then go to 1.c.i.
      • To configure different variables for different versions of JDK, perform 1.c.ii to 1.c.iv.
      Figure 2 Installed JREs
      
      1. Select the installed JDK and click OK.
      2. Click Add. The Add JRE dialog box is displayed.
         Figure 3 JRE Type
         
      3. Select a JRE type and click Next.
         Figure 4 JRE Definition
         
      4. Configure the basic information about JDK and click Finish.
         • JRE home: JDK installation path.
         • Default VM arguments: JDK running parameters.

2. Download resource packages.

   Download the DIS Java SDK from https://github.com/huaweicloud/huaweicloud-sdk-java-dis.

   Obtain huaweicloud-sdk-dis-java-X.X.X.zip from the DIS SDK. The package contains the demo package of the sample project.

3. Import the Eclipse project.
   1. Start Eclipse. Choose File > Import. The Import dialog box is displayed.
   2. Choose Maven > Existing Maven Projects, and click Next. The Import dialog box is displayed.
   3. Click Browse and select a save location for the dis-sdk-demo sample project. In the Projects area, select a sample project.
      Figure 5 Importing a project
      
   4. Click Finish to import the project.

4. Configure the demo project.
   1. Set the project code to UTF-8.
      1. In the navigation tree, right-click the required project under Project Explorer and choose Properties from the shortcut menu. The Properties for dis-sdk-demo dialog box is displayed.
      2. In the navigation tree, choose Resource. The Resource page is displayed in the right pane.
      3. In the Other drop-down list, select UTF-8.
      4. Click Apply and Close.
   2. Add the JDK.
      1. In the navigation pane, choose Project Explorer. Right-click the chosen project and choose Properties from the shortcut menu.
      2. In the navigation tree, choose Java Build Path. The Java Build Path page is displayed in the right pane.
      3. Click the Libraries tab, and then click Add Library. The Add Library dialog box is displayed.
      4. Select JRE System Library and click Next. Verify that the version of Workspace default JRE is jdk1.8 or later.
      5. Click Finish to exit the Add Library dialog box.
      6. Click Apply and Close.

5. Initialize a DIS client sample. For details about endpoint, ak, sk, region, and projectId, see Obtaining Authentication Information.