Vendor dependencies for GCS

vendor/cloud.google.com/go/logging/logadmin/example_paging_test.go

@@ -0,0 +1,92 @@
+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package logadmin_test
+
+import (
+	"bytes"
+	"flag"
+	"fmt"
+	"html/template"
+	"log"
+	"net/http"
+
+	"cloud.google.com/go/logging"
+	"cloud.google.com/go/logging/logadmin"
+	"golang.org/x/net/context"
+	"google.golang.org/api/iterator"
+)
+
+var (
+	client    *logadmin.Client
+	projectID = flag.String("project-id", "", "ID of the project to use")
+)
+
+func ExampleClient_Entries_pagination() {
+	// This example demonstrates how to iterate through items a page at a time
+	// even if each successive page is fetched by a different process. It is a
+	// complete web server that displays pages of log entries. To run it as a
+	// standalone program, rename both the package and this function to "main".
+	ctx := context.Background()
+	flag.Parse()
+	if *projectID == "" {
+		log.Fatal("-project-id missing")
+	}
+	var err error
+	client, err = logadmin.NewClient(ctx, *projectID)
+	if err != nil {
+		log.Fatalf("creating logging client: %v", err)
+	}
+
+	http.HandleFunc("/entries", handleEntries)
+	log.Print("listening on 8080")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}
+
+var pageTemplate = template.Must(template.New("").Parse(`
+<table>
+  {{range .Entries}}
+    <tr><td>{{.}}</td></tr>
+  {{end}}
+</table>
+{{if .Next}}
+  <a href="/entries?pageToken={{.Next}}">Next Page</a>
+{{end}}
+`))
+
+func handleEntries(w http.ResponseWriter, r *http.Request) {
+	ctx := context.Background()
+	filter := fmt.Sprintf(`logName = "projects/%s/logs/testlog"`, *projectID)
+	it := client.Entries(ctx, logadmin.Filter(filter))
+	var entries []*logging.Entry
+	nextTok, err := iterator.NewPager(it, 5, r.URL.Query().Get("pageToken")).NextPage(&entries)
+	if err != nil {
+		http.Error(w, fmt.Sprintf("problem getting the next page: %v", err), http.StatusInternalServerError)
+		return
+	}
+	data := struct {
+		Entries []*logging.Entry
+		Next    string
+	}{
+		entries,
+		nextTok,
+	}
+	var buf bytes.Buffer
+	if err := pageTemplate.Execute(&buf, data); err != nil {
+		http.Error(w, fmt.Sprintf("problem executing page template: %v", err), http.StatusInternalServerError)
+	}
+	if _, err := buf.WriteTo(w); err != nil {
+		log.Printf("writing response: %v", err)
+	}
+}