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The Marketplace API Java client is an open-source library that provides a convenient Java wrapper for commonly used operations in the Marketplace API.
If you do not use Java, there is currently no equivalent wrapper for accessing the Marketplace API from other programming languages. However, since the API uses common standards (HTTP, JSON, and HAL), it should be fairly straightforward to do so using standard web service tools. To get an understanding of the underlying JSON requests and responses, we suggest that you read Examples of API usage through JSON requests.
The source code is available at https://bitbucket.org/atlassian-marketplace/marketplace-client-java. It can be built with Java 7 or later and Maven 3.
All released versions are available as jars through Maven Central, so the easiest way to add the Marketplace API Java client to your project is to add a Maven dependency:
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<dependency> <groupId>com.atlassian.marketplace</groupId> <artifactId>marketplace-client-java</artifactId> <version>2.0.0</version> <!-- replace with latest release version --> </dependency>
The example above includes only the client library itself; however, the client also makes use of other libraries including Apache Commons, GSON, Guava, Joda-Time, SLF4j, and Atlassian's Fugue. If your project does not already use these, you can include them all at once by adding to the Maven dependency:
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<dependency> <groupId>com.atlassian.marketplace</groupId> <artifactId>marketplace-client-java</artifactId> <version>2.0.0</version> <!-- replace with latest release version --> <classifier>dependencies</classifier> </dependency>
The entry point for all API methods is the class, which can be instantiated and configured using . Typically, your Java code will only create a single instance of and use it for all subsequent API operations.
MarketplaceClient client = MarketplaceClientFactory.createMarketplaceClient();
The above example creates a client instance with default settings, which does not use any authentication. This is adequate if you only want to access the same data that can be viewed publicly on the Marketplace site. If you want to query data that is only visible to a vendor or administrator, or post new data to the server (such as publishing a new app version listing) you can configure the client with your Atlassian Account credentials:
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HttpConfiguration config = HttpConfiguration.builder() .credentials(Option.some(new HttpConfiguration.Credentials("firstname.lastname@example.org", "my.password"))) .build(); MarketplaceClient client = MarketplaceClientFactory.createMarketplaceClient(config);
The client library makes heavy use of Fugue's class, which is similar to Java 8's but can be used in Java 7. A property or parameter is represented as if it can have no value or a value of type T. An value can either be or but it will never be .
Since the client supports Java 7, it does not use the Java 8 classes for dates and times, but rather the Joda-Time classes (for a combination date and time) and (for a date that does not specify a time nor a time zone).
Some properties of Marketplace objects, such as the release notes for an app version, allow a limited amount of HTML markup (for instance, links and bullet lists). All properties of this kind use the class. This is simply a wrapper for a , but makes it harder to accidentally mix HTML with plain-text content in your code. Marketplace sanitizes all HTML content so that it cannot contain unsafe elements like . You should always assume that string properties that do not use are plain text. However, these properties can still contain characters that must be escaped if you are going to display their contents in a web browser.
The package contains many classes that can be queried from the server, such as and . These have only property getter methods and should be considered immutable. When you want to construct your own instance of such a class and send it to the server (for instance, when creating a new app version), you will use a corresponding builder class provided by . The general pattern for these is to call a factory method to create a new builder, call setter methods to set properties on the builder, and then call to produce the finished object:
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ModelBuilders.SomeObjectBuilder builder = ModelBuilders.someObject(); builder.name("name of my object") .someOtherProperty("some other property"); SomeObject myObject = builder.build();
The following tutorials contain examples of using Java:
Check out the following resources for more information:
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