Geoserver

geoserver Is a Go Package For Manipulating a GeoServer Instance via the GeoServer REST API.

How to install:

go get -v gopkg.in/hishamkaram/geoserver.v1
- now you can import the package from gopkg.in/hishamkaram/geoserver.v1, example:
```
import (
  ...
  "gopkg.in/hishamkaram/geoserver.v1"
  ...
)
```

usage:

Create new Catalog (which contains all available operations):
- gsCatalog := geoserver.GetCatalog("http://localhost:8080/geoserver13/", "admin", "geoserver")

Use catalog Methods to Perform a Geoserver REST Operation:

Create New workspace:

created, err := gsCatalog.CreateWorkspace("golang")
if err != nil {
  fmt.Printf("\nError:%s\n", err)
}
fmt.Println(strconv.FormatBool(created))

output if created:

INFO[31-03-2018 16:26:35] url:http://localhost:8080/geoserver13/rest/workspaces	response Status=201  
true

output if error:

INFO[31-03-2018 16:26:37] url:http://localhost:8080/geoserver13/rest/workspaces	response Status=401  
WARN[31-03-2018 16:26:37] <!doctype html><html lang="en"><head><title>HTTP Status 401 – Unauthorized</title><style type="text/css">h1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} h2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} h3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} body {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} b {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} p {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;} a {color:black;} a.name {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 401 – Unauthorized</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Message</b> Workspace &#39;golang&#39; already exists</p><p><b>Description</b> The request has not been applied because it lacks valid authentication credentials for the target resource.</p><hr class="line" /><h3>Apache Tomcat/9.0.6</h3></body></html> 

Error:Unauthorized
false

Get Layers through GetLayers take workspace as paramter if empty workspace will be ignored and geoserver will return all public layers

layers, err := gsCatalog.GetLayers("")
if err != nil {
  fmt.Printf("\nError:%s\n", err)
}
for _, lyr := range layers {
  fmt.Printf("\nName:%s  href:%s\n", lyr.Name, lyr.Href)
}

output:

INFO[31-03-2018 19:04:44] url:http://localhost:8080/geoserver13/rest/layers	response Status=200  

Name:tiger:giant_polygon  href:http://localhost:8080/geoserver13/rest/layers/tiger%3Agiant_polygon.json

Name:tiger:poi  href:http://localhost:8080/geoserver13/rest/layers/tiger%3Apoi.json

Name:tiger:poly_landmarks  href:http://localhost:8080/geoserver13/rest/layers/tiger%3Apoly_landmarks.json

Name:tiger:tiger_roads  href:http://localhost:8080/geoserver13/rest/layers/tiger%3Atiger_roads.json

Name:nurc:Arc_Sample  href:http://localhost:8080/geoserver13/rest/layers/nurc%3AArc_Sample.json

Name:nurc:Img_Sample  href:http://localhost:8080/geoserver13/rest/layers/nurc%3AImg_Sample.json

Name:nurc:Pk50095  href:http://localhost:8080/geoserver13/rest/layers/nurc%3APk50095.json

Name:nurc:mosaic  href:http://localhost:8080/geoserver13/rest/layers/nurc%3Amosaic.json
......

Get Specific Layer from Geoserver:

layer, err := gsCatalog.GetLayer("nurc", "Arc_Sample")
if err != nil {
  fmt.Printf("\nError:%s\n", err)
} else {
  fmt.Printf("%+v\n", layer)
}

output:

INFO[31-03-2018 20:12:07] url:http://localhost:8080/geoserver13/rest/workspaces/nurc/layers/Arc_Sample	response Status=200  
{Name:Arc_Sample Path:/ Type:RASTER DefaultStyle:{Class: Name:rain Href:http://localhost:8080/geoserver13/rest/styles/rain.json} Styles:{Class:linked-hash-set Style:[{Class: Name:raster Href:http://localhost:8080/geoserver13/rest/styles/raster.json}]} Resource:{Class:coverage Name:nurc:Arc_Sample Href:http://localhost:8080/geoserver13/rest/workspaces/nurc/coveragestores/arcGridSample/coverages/Arc_Sample.json} Queryable:false Opaque:false Attribution:{Title: Href: LogoURL: LogoType: LogoWidth:0 LogoHeight:0}}

You can find more examples by check testing files
You can find all supported operations on Godocs

TESTING

	Go Version	Geoserver Version	Tested
1	1.13.x	2.13.x	✔️
2	1.13.x	2.14.x	✔️
3	1.14.x	2.13.x	✔️
4	1.14.x	2.14.x	✔️
5	1.15.x	2.13.x	✔️
6	1.15.x	2.14.x	✔️

Documentation

I have some problem,when i want to get layerGroups data by your api

i can't find get layerGroup's method, in your code. but i have fix it now by learning your code, thank you very much

    type Group struct {
        Type string `json:"@type,omitempty" xml:"type"`
        Name string `json:"name,omitempty" xml:"name"`
        Href string `json:"href,omitempty" xml:"href"`
    }
    type LayerGroup struct {
        Name      string `json:"name" xml:"name"`
        Mode      string `json:"mode" xml:"mode"`
        Title     string `json:"title" xml:"title"`
        Workspace struct {
	        Name string `json:"name" xml:"name"`
        } `json:"workspace" xml:"workspace"`
        Publishables struct {
	        Published []*Group `json:"published" xml:"published"`
        } `json:"publishables" xml:"publishables"`
        Styles struct {
	        Style []*Group `json:"style" xml:"style"`
        } `json:"styles" xml:"styles"`
        Bounds struct {
	        MinX float64 `json:"minx" xml:"minx"`
	        MinY float64 `json:"miny" xml:"miny"`
	        MaxX float64 `json:"maxx" xml:"maxx"`
	        MaxY float64 `json:"maxy" xml:"maxy"`
	        Crs  string  `json:"crs" xml:"crs"`
        } `json:"bounds" xml:"bounds"`
    }

    type LayerGroups struct {
        LayerGroup LayerGroup `json:"layerGroup" xml:"layerGroup"`
    }
    target := utils.Catalog.ParseURL("rest", "workspaces", workspace.Name, "layergroups", "xxxx")
request := geoserver.HTTPRequest{
	Method: "GET",
	Accept: "application/json",
	URL:    target,
	Query:  nil,
}
response, code := utils.Catalog.DoRequest(request)
if code != http.StatusOK {
	utils.Logger.Error("get layer groups error", zap.Int("error code", code))
	c.JSON(http.StatusInternalServerError, utils.BaseResponse(http.StatusInternalServerError, "internal server error", c.Request.RequestURI, nil))
	return
}
var groups defs.LayerGroups
utils.Catalog.DeSerializeJSON(response, &groups)
server := &defs.Server{
	BaseServiceUrl: utils.Catalog.ParseURL(workspace.Name, "wms?"),
	Layers:         fmt.Sprintf("%s:%s", groups.LayerGroup.Workspace.Name, groups.LayerGroup.Name),
	TilematrixSet:  groups.LayerGroup.Bounds.Crs,
}

hishamkaram / geoserver Goto Github PK

geoserver's Introduction

Geoserver

How to install:

usage:

TESTING

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