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Halbuilder is a simple Java API for generating and consuming HAL documents conforming to the HAL Specification.

Generating Local Resources

ResourceFactory resourceFactory = new ResourceFactory();

Resource owner = resourceFactory.newResource("http://example.com/mike")
  .withLink("td:friend", "http://example.com/mamund")
  .withProperty("name", "Mike")
  .withProperty("age", "36");

Resource halResource = resourceFactory.newResource("http://example.com/todo-list")
  .withNamespace("td", "http://example.com/todoapp/rels/")
  .withLink("td:search", "/todo-list/search;{searchterm}")
  .withLink("td:description", "/todo-list/description")
  .withProperty("created_at", "2010-01-16")
  .withProperty("updated_at", "2010-02-21")
  .withProperty("summary", "An example list")
  .withSubresource("td:owner", owner);

String xml = halResource.renderContent(ResourceFactory.HAL_XML);
String json = halResource.renderContent(ResourceFactory.HAL_JSON);

Reading Local Resources

ResourceFactory resourceFactory = new ResourceFactory();

Resource resource = resourceFactory.readResource(new InputStreamReader(Some.class.getResourceAsStream("/test.xml")));

Apache Maven

HalBuilder is deployed to Apache Maven Central under the following coordinates:

<dependency>
  <groupId>com.theoryinpractise</groupId>
  <artifactId>halbuilder</artifactId>
  <version>1.0.3</version>
</dependency>
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