add java example of copying to weed s3 end point

other/java/s3copy/copier/src/main/java/com/seaweedfs/s3/S3Copy.java

@@ -0,0 +1,66 @@
+package com.seaweedfs.s3;
+
+import com.amazonaws.AmazonServiceException;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.SdkClientException;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.auth.AWSStaticCredentialsProvider;
+import com.amazonaws.auth.BasicAWSCredentials;
+import com.amazonaws.client.builder.AwsClientBuilder;
+import com.amazonaws.regions.Regions;
+import com.amazonaws.services.s3.AmazonS3;
+import com.amazonaws.services.s3.AmazonS3ClientBuilder;
+import com.amazonaws.services.s3.model.ObjectMetadata;
+import com.amazonaws.services.s3.model.PutObjectRequest;
+
+import java.io.File;
+
+/**
+ * Hello world!
+ */
+public class S3Copy {
+    public static void main(String[] args) {
+
+        AWSCredentials credentials = new BasicAWSCredentials("ANY-ACCESSKEYID", "ANY-SECRETACCESSKEY");
+        ClientConfiguration clientConfiguration = new ClientConfiguration();
+        clientConfiguration.setSignerOverride("AWSS3V4SignerType");
+
+        AmazonS3 s3Client = AmazonS3ClientBuilder
+            .standard()
+            .withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration(
+                "http://localhost:8333", Regions.US_WEST_1.name()))
+            .withPathStyleAccessEnabled(true)
+            .withClientConfiguration(clientConfiguration)
+            .withCredentials(new AWSStaticCredentialsProvider(credentials))
+            .build();
+
+        String bucketName = "javabucket";
+        String stringObjKeyName = "strObject2";
+        String fileObjKeyName = "fileObject2";
+        String fileName = args[0];
+
+        try {
+
+            // Upload a text string as a new object.
+            s3Client.putObject(bucketName, stringObjKeyName, "Uploaded String Object v3");
+
+            // Upload a file as a new object with ContentType and title specified.
+            PutObjectRequest request = new PutObjectRequest(bucketName, fileObjKeyName, new File(fileName));
+            ObjectMetadata metadata = new ObjectMetadata();
+            metadata.setContentType("plain/text");
+            metadata.addUserMetadata("x-amz-meta-title", "someTitle");
+            request.setMetadata(metadata);
+            s3Client.putObject(request);
+        } catch (AmazonServiceException e) {
+            // The call was transmitted successfully, but Amazon S3 couldn't process
+            // it, so it returned an error response.
+            e.printStackTrace();
+        } catch (SdkClientException e) {
+            // Amazon S3 couldn't be contacted for a response, or the client
+            // couldn't parse the response from Amazon S3.
+            e.printStackTrace();
+        }
+
+        System.out.println("Hello World!");
+    }
+}

other/java/s3copy/copier/src/test/java/com/seaweedfs/s3/S3CopyTest.java

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+package com.seaweedfs.s3;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+/**
+ * Unit test for simple App.
+ */
+public class S3CopyTest
+    extends TestCase
+{
+    /**
+     * Create the test case
+     *
+     * @param testName name of the test case
+     */
+    public S3CopyTest(String testName )
+    {
+        super( testName );
+    }
+
+    /**
+     * @return the suite of tests being tested
+     */
+    public static Test suite()
+    {
+        return new TestSuite( S3CopyTest.class );
+    }
+
+    /**
+     * Rigourous Test :-)
+     */
+    public void testApp()
+    {
+        assertTrue( true );
+    }
+}