Pu Zhongqiang created FREEMARKER-67:
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Summary: Doesn't support org.bson.Document's correct order of keys.
Key: FREEMARKER-67
URL: https://issues.apache.org/jira/browse/FREEMARKER-67
Project: Apache Freemarker
Issue Type: Bug
Components: engine
Affects Versions: 2.3.26-incubating, 2.3.25-incubating, 2.3.24-incubating,
2.3.23
Environment: Windows7, jdk1.8.0_131, Tomcat 8.0.45, SpringMVC
4.3.10.RELEASE
Reporter: Pu Zhongqiang
Priority: Minor
In mongdb's Java Driver 3.x, org.bson.Document is a representation of a bson
document as a Map. Although org.bson.Document is not a subclass of
LinkedHashMap, it really DOES maintain a meaningful order for its keys.
It works good if I use LinkedHashMap to load data.
{code:java}
LinkedHashMap<String,Object> accepted_sorts = new LinkedHashMap<>();
accepted_sorts.put("-favorite_time", "Hello");
accepted_sorts.put("-publish_time", "Welcome");
model.put("accepted_sorts", accepted_sorts);
{code}
{code:html}
<#list accepted_sorts?keys as value>
${value?string}
</#list>
<br>
<#list accepted_sorts as key,value>
${key?string},${value?string}
</#list>
{code}
it rendered as:
{code:html}
-favorite_time -publish_time
-favorite_time,Hello -publish_time,Welcome
{code}
But It doesn't support org.bson.Document's correct key order. You can see my
test below:
{code:java}
Document accepted_sorts = new Document();
accepted_sorts.put("-favorite_time", "Hello");
accepted_sorts.put("-publish_time", "Welcome");
model.put("accepted_sorts", accepted_sorts);
{code}
{code:html}
<#list accepted_sorts?keys as value>
${value?string}
</#list>
<br>
<#list accepted_sorts as key,value>
${key?string},${value?string}
</#list>
{code}
it rendered as wrong order:
{code:html}
-publish_time -favorite_time
-publish_time,Welcome -favorite_time,Hello
{code}
So, in the end, I wish freemarker can add support for org.bson.Document's
correct order of keys.
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