Add class for Imprint API

src/org/camunda/latera/bss/apis/Imprint.groovy

@@ -0,0 +1,34 @@
+package org.camunda.latera.bss.apis
+
+import org.camunda.latera.bss.http.HTTPRestProcessor
+import org.camunda.latera.bss.logging.SimpleLogger
+import org.camunda.latera.bss.utils.IO
+import org.camunda.bpm.engine.delegate.DelegateExecution
+
+class Imprint {
+  HTTPRestProcessor processor
+  LinkedHashMap headers
+  DelegateExecution execution
+  SimpleLogger logger
+
+  Imprint(DelegateExecution execution) {
+    this.execution = execution
+    this.logger    = new SimpleLogger(execution)
+
+    def url     = execution.getVariable("imprintUrl")
+    def version = execution.getVariable("imprintVersion")
+    def token   = execution.getVariable("imprintToken")
+    this.headers = [
+      'X_IMPRINT_API_VERSION': version,
+      'X_IMPRINT_API_TOKEN':   token
+    ]
+    this.processor = new HTTPRestProcessor(baseUrl: url, user: user, password: password, execution: execution)
+  }
+
+  def print(LinkedHashMap json) {
+    this.logger.info("Printing begin...")
+    def result = this.processor.sendRequest(path: '/api/print', body: json, headers: this.headers, requestContentType: 'application/json', 'post')
+    def file   = IO.getBytes(result)
+    return file
+  }
+}