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New field in links (method, headers, body) #1253

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merged 19 commits into from
Jul 17, 2024
Merged

New field in links (method, headers, body) #1253

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e4325d2
Initial new field in links
Sep 27, 2023
6301ed1
updated changelog
Sep 27, 2023
926cac6
Merge branch 'dev' into http-additions
Sep 27, 2023
981b0d3
format table
Sep 27, 2023
9823509
links moved to common metadata
Nov 9, 2023
675b1ac
Merge remote-tracking branch 'origin/dev' into http-additions
Nov 9, 2023
faeab3a
Merge remote-tracking branch 'origin/dev' into http-additions
emmanuelmathot Jul 4, 2024
2199ce3
Map<string, *>
emmanuelmathot Jul 4, 2024
e1d8748
Update item-spec/common-metadata.md
Jul 4, 2024
c8e1265
Update common-metadata.md with HTTP headers description
emmanuelmathot Jul 9, 2024
9954d99
Update item-spec/json-schema/item.json
Jul 12, 2024
74b3020
Update item-spec/common-metadata.md
Jul 12, 2024
2ddc988
Update item-spec/common-metadata.md
Jul 12, 2024
e8dcd9a
Update item-spec/common-metadata.md
Jul 12, 2024
e4568de
Update item-spec/common-metadata.md
Jul 12, 2024
0346ec0
link object section review
emmanuelmathot Jul 12, 2024
e8371e6
link headers schema
emmanuelmathot Jul 12, 2024
633f03e
Update item-spec/common-metadata.md
Jul 12, 2024
9b7b9b3
Update item-spec/json-schema/item.json
Jul 12, 2024
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
### Added

- The `keywords` field known from Collections is available in common metadata. ([#1187](https://github.com/radiantearth/stac-spec/issues/1187))
- New fields `method`, `headers` and `body` in the Link Object. ([#1198](https://github.com/radiantearth/stac-spec/issues/1198))
- The `license` field additionally supports SPDX expressions and the value `other`.
- The `roles` field known from Assets and Providers is available in common metadata. ([#1267](https://github.com/radiantearth/stac-spec/issues/1267))
- Best practice: Link titles should exactly reflect the title of the corresponding entity ([#1168](https://github.com/radiantearth/stac-spec/issues/1168))
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13 changes: 1 addition & 12 deletions catalog-spec/catalog-spec.md
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Expand Up @@ -68,18 +68,7 @@ This must **not** declare the extensions that are only implemented in child Coll

### Link Object

This object describes a relationship with another entity. Data providers are advised to be liberal
with links.

| Field Name | Type | Description |
| ---------- | ------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| href | string | **REQUIRED.** The actual link in the format of an URL. Relative and absolute links are both allowed. [Trailing slashes are significant.](../best-practices.md#consistent-uris) |
| rel | string | **REQUIRED.** Relationship between the current document and the linked document. See chapter ["Relation types"](#relation-types) for more information. |
| type | string | [Media type](#media-types) of the referenced entity. |
| title | string | A human readable title to be used in rendered displays of the link. |

For a full discussion of the situations where relative and absolute links are recommended see the
['Use of links'](../best-practices.md#use-of-links) section of the STAC best practices.
This object is described in the [STAC Common Metadata](../item-spec/common-metadata.md#link-object) section.

#### Relation types

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12 changes: 1 addition & 11 deletions collection-spec/collection-spec.md
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Expand Up @@ -249,17 +249,7 @@ May also include information about the final storage provider hosting the data.

### Link Object

This object describes a relationship with another entity. Data providers are advised to be liberal with links.

| Field Name | Type | Description |
| ---------- | ------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| href | string | **REQUIRED.** The actual link in the format of an URL. Relative and absolute links are both allowed. [Trailing slashes are significant.](../best-practices.md#consistent-uris) |
| rel | string | **REQUIRED.** Relationship between the current document and the linked document. See chapter "[Relation types](#relation-types)" for more information. |
| type | string | [Media type](../catalog-spec/catalog-spec.md#media-types) of the referenced entity. |
| title | string | A human readable title to be used in rendered displays of the link. |

For a full discussion of the situations where relative and absolute links are recommended see the
['Use of links'](../best-practices.md#use-of-links) section of the STAC best practices.
This object is described in the [STAC Common Metadata](../item-spec/common-metadata.md#link-object) section.

#### Relation types

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21 changes: 21 additions & 0 deletions item-spec/common-metadata.md
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Expand Up @@ -21,6 +21,7 @@ or [Collection Asset](../collection-spec/collection-spec.md#asset-object).
- [constellation](#constellation)
- [mission](#mission)
- [gsd](#gsd)
- [Link](#link-object)

Various *examples* are available in the folder [`examples`](../examples/).
*JSON Schemas* can be found in the folder [`json-schema`](json-schema/).
Expand Down Expand Up @@ -212,3 +213,23 @@ optical and short-wave IR bands are all 30 meters, but the panchromatic band is
PlanetScope Ortho Tile Product has an `gsd` of 3.7 (or 4 if rounding), even though the pixel size of the images is 3.125.
For example, one might choose for WorldView-2 the Multispectral 20° off-nadir value of 2.07
and for WorldView-3 the Multispectral 20° off-nadir value of 1.38.

### Link Object

This object describes a relationship with another entity. Data providers are advised to be liberal
with the links section, to describe things like the Catalog an Item is in, related Items, parent or
child Items (modeled in different ways, like an 'acquisition' or derived data).
It is allowed to add additional fields such as a `title` and `type`.
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| Field Name | Type | Description |
| ---------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| href | string | **REQUIRED.** The actual link in the format of an URL. Relative and absolute links are both allowed. [Trailing slashes are significant.](../best-practices.md#consistent-uris) |
| rel | string | **REQUIRED.** Relationship between the current document and the linked document. See chapter "Relation types" for more information. |
| type | string | [Media type](../catalog-spec/catalog-spec.md#media-types) of the referenced entity. |
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| title | string | A human readable title to be used in rendered displays of the link. |
| method | string | The HTTP method required to be supported by the target resource. `GET` by default |
| headers | Map<string, *> | The HTTP headers required to be sent by the target resource. |
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| body | object | The HTTP body required to be sent by the target resource. |
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For a full discussion of the situations where relative and absolute links are recommended see the
['Use of links'](../best-practices.md#use-of-links) section of the STAC best practices.
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15 changes: 1 addition & 14 deletions item-spec/item-spec.md
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Expand Up @@ -186,20 +186,7 @@ only be used when the data itself is nested, as with `eo:bands`.

### Link Object

This object describes a relationship with another entity. Data providers are advised to be liberal
with the links section, to describe things like the Catalog an Item is in, related Items, parent or
child Items (modeled in different ways, like an 'acquisition' or derived data).
It is allowed to add additional fields such as a `title` and `type`.

| Field Name | Type | Description |
| ---------- | ------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| href | string | **REQUIRED.** The actual link in the format of an URL. Relative and absolute links are both allowed. [Trailing slashes are significant.](../best-practices.md#consistent-uris) |
| rel | string | **REQUIRED.** Relationship between the current document and the linked document. See chapter "Relation types" for more information. |
| type | string | [Media type](../catalog-spec/catalog-spec.md#media-types) of the referenced entity. |
| title | string | A human readable title to be used in rendered displays of the link. |

For a full discussion of the situations where relative and absolute links are recommended see the
['Use of links'](../best-practices.md#use-of-links) section of the STAC best practices.
This object is described in the [STAC Common Metadata](common-metadata.md#link-object) section.

#### Relation types

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12 changes: 12 additions & 0 deletions item-spec/json-schema/item.json
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Expand Up @@ -203,6 +203,18 @@
"title": {
"title": "Link title",
"type": "string"
},
"method": {
"title": "Link method",
"type": "string"
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},
"headers": {
"title": "Link headers",
"type": "object"
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},
"body": {
"title": "Link body",
"type": "object"
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}
}
},
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2 changes: 1 addition & 1 deletion package.json
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Expand Up @@ -92,4 +92,4 @@
]
]
}
}
}