Merge branch 'upstream_master' into store_s3cred

# Conflicts:
#	weed/s3api/filer_util.go

3 files changed, 132 insertions, 0 deletions

diff --git a/other/java/examples/pom.xml b/other/java/examples/pom.xml
new file mode 100644
index 000000000..f7c48d0ab
--- /dev/null
+++ b/other/java/examples/pom.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>unzip</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>com.github.chrislusf</groupId>
+            <artifactId>seaweedfs-client</artifactId>
+            <version>1.5.6</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.github.chrislusf</groupId>
+            <artifactId>seaweedfs-hadoop2-client</artifactId>
+            <version>1.5.6</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.hadoop</groupId>
+            <artifactId>hadoop-common</artifactId>
+            <version>2.9.2</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+
+
+</project>
\ No newline at end of file
diff --git a/other/java/examples/src/main/java/com/seaweedfs/examples/UnzipFile.java b/other/java/examples/src/main/java/com/seaweedfs/examples/UnzipFile.java
new file mode 100644
index 000000000..0529a5c73
--- /dev/null
+++ b/other/java/examples/src/main/java/com/seaweedfs/examples/UnzipFile.java
@@ -0,0 +1,54 @@
+package com.seaweedfs.examples;
+
+import seaweed.hdfs.SeaweedInputStream;
+import seaweedfs.client.FilerClient;
+import seaweedfs.client.FilerGrpcClient;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+public class UnzipFile {
+
+    public static void main(String[] args) throws IOException {
+
+        FilerGrpcClient filerGrpcClient = new FilerGrpcClient("localhost", 18888);
+        FilerClient filerClient = new FilerClient(filerGrpcClient);
+
+        long startTime = System.currentTimeMillis();
+        parseZip("/Users/chris/tmp/test.zip");
+
+        long startTime2 = System.currentTimeMillis();
+
+        long localProcessTime = startTime2 - startTime;
+
+        SeaweedInputStream seaweedInputStream = new SeaweedInputStream(
+                filerGrpcClient,
+                new org.apache.hadoop.fs.FileSystem.Statistics(""),
+                "/",
+                filerClient.lookupEntry("/", "test.zip")
+        );
+        parseZip(seaweedInputStream);
+
+        long swProcessTime = System.currentTimeMillis() - startTime2;
+
+        System.out.println("Local time: " + localProcessTime);
+        System.out.println("SeaweedFS time: " + swProcessTime);
+
+    }
+
+    public static void parseZip(String filename) throws IOException {
+        FileInputStream fileInputStream = new FileInputStream(filename);
+        parseZip(fileInputStream);
+    }
+
+    public static void parseZip(InputStream is) throws IOException {
+        ZipInputStream zin = new ZipInputStream(is);
+        ZipEntry ze;
+        while ((ze = zin.getNextEntry()) != null) {
+            System.out.println(ze.getName());
+        }
+    }
+}
diff --git a/other/java/examples/src/main/java/com/seaweedfs/examples/WatchFiles.java b/other/java/examples/src/main/java/com/seaweedfs/examples/WatchFiles.java
new file mode 100644
index 000000000..e489cb3b1
--- /dev/null
+++ b/other/java/examples/src/main/java/com/seaweedfs/examples/WatchFiles.java
@@ -0,0 +1,46 @@
+package com.seaweedfs.examples;
+
+import seaweedfs.client.FilerClient;
+import seaweedfs.client.FilerProto;
+
+import java.io.IOException;
+import java.util.Date;
+import java.util.Iterator;
+
+public class WatchFiles {
+
+    public static void main(String[] args) throws IOException {
+
+        FilerClient filerClient = new FilerClient("localhost", 18888);
+
+        long sinceNs = (System.currentTimeMillis() - 3600 * 1000) * 1000000L;
+
+        Iterator<FilerProto.SubscribeMetadataResponse> watch = filerClient.watch(
+                "/buckets",
+                "exampleClientName",
+                sinceNs
+        );
+
+        System.out.println("Connected to filer, subscribing from " + new Date());
+
+        while (watch.hasNext()) {
+            FilerProto.SubscribeMetadataResponse event = watch.next();
+            FilerProto.EventNotification notification = event.getEventNotification();
+            if (!event.getDirectory().equals(notification.getNewParentPath())) {
+                // move an entry to a new directory, possibly with a new name
+                if (notification.hasOldEntry() && notification.hasNewEntry()) {
+                    System.out.println("moved " + event.getDirectory() + "/" + notification.getOldEntry().getName() + " to " + notification.getNewParentPath() + "/" + notification.getNewEntry().getName());
+                } else {
+                    System.out.println("this should not happen.");
+                }
+            } else if (notification.hasNewEntry() && !notification.hasOldEntry()) {
+                System.out.println("created entry " + event.getDirectory() + "/" + notification.getNewEntry().getName());
+            } else if (!notification.hasNewEntry() && notification.hasOldEntry()) {
+                System.out.println("deleted entry " + event.getDirectory() + "/" + notification.getOldEntry().getName());
+            } else if (notification.hasNewEntry() && notification.hasOldEntry()) {
+                System.out.println("updated entry " + event.getDirectory() + "/" + notification.getNewEntry().getName());
+            }
+        }
+
+    }
+}