openCMIS: Check whether repository supports secondary types or not

you can check whether a repository supports secondary types or not by using ‘getTypeChildren’ API.

Below snippet is used to check whether repository supports secondary types or not.

                  ItemIterable<ObjectType> objectTypes = session.getTypeChildren(null, false);

                  for (ObjectType objectType : objectTypes) {

                           if ("cmis:secondary".equals(objectType.getId())) {

                                    System.out.println("Secondary types are supported by the repository");

                                    return;

                           }

                  }

TestCmis.java

package com.sample.util;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.apache.chemistry.opencmis.client.api.ItemIterable;
import org.apache.chemistry.opencmis.client.api.ObjectType;
import org.apache.chemistry.opencmis.client.api.Session;
import org.apache.chemistry.opencmis.client.api.SessionFactory;
import org.apache.chemistry.opencmis.client.runtime.SessionFactoryImpl;
import org.apache.chemistry.opencmis.commons.SessionParameter;
import org.apache.chemistry.opencmis.commons.enums.BindingType;

public class TestCmis {

 private static String serverURL = "http://localhost:8080/chemistry-opencmis-server-inmemory-1.1.0/browser";
 private static String repositoryId = "A1";

 private static Session getSession() {
  Map<String, String> parameters = new HashMap<>();
  parameters.put(SessionParameter.BINDING_TYPE, BindingType.BROWSER.value());

  parameters.put(SessionParameter.USER, "");
  parameters.put(SessionParameter.PASSWORD, "");

  parameters.put(SessionParameter.REPOSITORY_ID, repositoryId);
  parameters.put(SessionParameter.BROWSER_URL, serverURL);

  SessionFactory sessionFactory = SessionFactoryImpl.newInstance();
  return sessionFactory.createSession(parameters);
 }

 public static void main(String args[]) throws IOException {

  Session session = getSession();

  ItemIterable<ObjectType> objectTypes = session.getTypeChildren(null, false);

  for (ObjectType objectType : objectTypes) {
   if ("cmis:secondary".equals(objectType.getId())) {
    System.out.println("Secondary types are supported by the repository");
    return;
   }
  }

  System.out.println("Secondary types are not supported");
 }

}

Output
Secondary types are supported by the repository

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