红帽全球峰会381.5. 使用消息
Yammer 组件为消耗消息提供多个端点：
| URI | 描述 |
|---|---|
| 用户的所有公共消息（其访问令牌用于发出 API 调用）Yammer 网络。对应于 Yammer Web 界面中的"所有"对话。 |
| 用户的源，基于他们在"Following"和"Top"对话之间所做的选择。 |
| 对应于"Top"对话的用户的算法源，这是 Yammer web 界面中大多数用户会看到的内容。 |
| 涉及用户的人员、组和主题的"遵循"源。 |
| 用户发送的所有消息。 |
| 用户接收的专用消息。 |
| Camel 2.12.1 ： 用户接收的所有消息 |
381.5.1. 消息格式
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默认情况下，所有消息都会转换为 org.apache.camel.component.yammer.model 软件包提供的 POJO 模型。来自 yammer 的原始消息位于 JSON 中。对于所有使用和生成端点的消息，则返回 Messages 对象。例如，路由示例如下：
from("yammer:messages?consumerKey=aConsumerKey&consumerSecret=aConsumerSecretKey&accessToken=aAccessToken")
.to("mock:result");让我们说 yammer 服务器返回：
{
"messages":[
{
"replied_to_id":null,
"network_id":7654,
"url":"https://www.yammer.com/api/v1/messages/305298242",
"thread_id":305298242,
"id":305298242,
"message_type":"update",
"chat_client_sequence":null,
"body":{
"parsed":"Testing yammer API...",
"plain":"Testing yammer API...",
"rich":"Testing yammer API..."
},
"client_url":"https://www.yammer.com/",
"content_excerpt":"Testing yammer API...",
"created_at":"2013/06/25 18:14:45 +0000",
"client_type":"Web",
"privacy":"public",
"sender_type":"user",
"liked_by":{
"count":1,
"names":[
{
"permalink":"janstey",
"full_name":"Jonathan Anstey",
"user_id":1499642294
}
]
},
"sender_id":1499642294,
"language":null,
"system_message":false,
"attachments":[
],
"direct_message":false,
"web_url":"https://www.yammer.com/redhat.com/messages/305298242"
},
{
"replied_to_id":null,
"network_id":7654,
"url":"https://www.yammer.com/api/v1/messages/294326302",
"thread_id":294326302,
"id":294326302,
"message_type":"system",
"chat_client_sequence":null,
"body":{
"parsed":"(Principal Software Engineer) has [[tag:14658]] the redhat.com network. Take a moment to welcome Jonathan.",
"plain":"(Principal Software Engineer) has #joined the redhat.com network. Take a moment to welcome Jonathan.",
"rich":"(Principal Software Engineer) has #joined the redhat.com network. Take a moment to welcome Jonathan."
},
"client_url":"https://www.yammer.com/",
"content_excerpt":"(Principal Software Engineer) has #joined the redhat.com network. Take a moment to welcome Jonathan.",
"created_at":"2013/05/10 19:08:29 +0000",
"client_type":"Web",
"sender_type":"user",
"privacy":"public",
"liked_by":{
"count":0,
"names":[
]
}
}
]
}
Camel 将把 marshal 放入包含 2 个 Message 对象的 Messages 对象中。如下所示，有一个丰富的对象模型，可让您轻松获取您需要的任何信息：
Exchange exchange = mock.getExchanges().get(0);
Messages messages = exchange.getIn().getBody(Messages.class);
assertEquals(2, messages.getMessages().size());
assertEquals("Testing yammer API...", messages.getMessages().get(0).getBody().getPlain());
assertEquals("(Principal Software Engineer) has #joined the redhat.com network. Take a moment to welcome Jonathan.", messages.getMessages().get(1).getBody().getPlain());
这说，将此数据放入 POJO 不能自由，因此如果您需要，您可以通过向 URI 中添加 useJson=false 选项，将纯 JSON 切换回使用纯 JSON。
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