Examples of org.xmldb.api.base.Collection

org.xmldb.api.base.Collection
A Collection represents a collection of Resources stored within an XML database. An XML database MAY expose collections as a hierarchical set of parent and child collections.
A Collection provides access to the Resources stored by the Collection and to Service instances that can operate against the Collection and the Resources stored within it. The Service mechanism provides the ability to extend the functionality of a Collection in ways that allows optional functionality to be enabled for the Collection.

        assertNotNull("MetaService is not found!", service);
    }


    public void testGetCollectionMetaData() throws Exception {
        // Get meta service
        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        MetaData data = service.getMetaData();
        assertNotNull("MetaData is not found for the collection!", data);
        assertTrue("Creation time is 0!", data.getCreatedTime() != 0);

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        assertTrue("Modification time has not changed on update!", modified1 != modified2);
    }


    public void testGetDocumentMetaData() throws Exception {
        // Get meta service
        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        MetaData data = service.getMetaData(DOCUMENT_ID1);
        assertNotNull("MetaData is not found for document " + DOCUMENT_ID1 + "!", data);
        assertTrue("Creation time is 0!", data.getCreatedTime() != 0);

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        assertTrue("Modification time has not changed on update!", modified1 != modified2);
    }


    public void testSetCollectionMetaData() throws Exception {
        // Get meta service
        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        MetaData data = service.getMetaData();
        long created0 = data.getCreatedTime();
        long modified0 = data.getLastModifiedTime();

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        assertEquals("Modification time changed on set (diff: "+ (modified1 - modified0) +")!", modified0, modified1);
    }


    public void testSetDocumentMetaData() throws Exception {
        // Get meta service
        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        MetaData data = service.getMetaData(DOCUMENT_ID1);
        long created0 = data.getCreatedTime();
        long modified0 = data.getLastModifiedTime();

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        assertEquals("Modification time changed on set (diff: "+ (modified1 - modified0) +")!", modified0, modified1);
    }


    public void testSetCollectionMetaDataProperty() throws Exception {
        // Get meta service
        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        String value0 = "MetaAttributeValue" + System.currentTimeMillis();
        MetaData data = service.getMetaData();
        data.setAttribute(ATTRIBUTE_ID, value0);

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        assertEquals("Attribute value does not match!", value0, value1);
    }


    public void testSetDocumentMetaDataProperty() throws Exception {
        // Get meta service
        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        String value0 = "MetaAttributeValue" + System.currentTimeMillis();
        MetaData data = service.getMetaData(DOCUMENT_ID1);
        data.setAttribute(ATTRIBUTE_ID, value0);

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 * Simple XML:DB API example to update the database.
 */
public class XUpdate  extends AbstractExample {
  
  public static void main(String[] args) throws Exception {
    Collection collection = null;
    try {


      collection = getCollection("xmldb:xindice:///db/addressbook");


      String xupdate =
        "<xu:modifications version=\"1.0\""
          + "      xmlns:xu=\"http://www.xmldb.org/xupdate\">"
          + "   <xu:remove select=\"/person/phone[@type = 'home']\"/>"
          + "   <xu:update select=\"/person/phone[@type = 'work']\">"
          + "       480-300-3003"
          + "   </xu:update>"
          + "</xu:modifications>";


      XUpdateQueryService service = (XUpdateQueryService) collection.getService("XUpdateQueryService", "1.0");
      long count = service.update(xupdate);
      System.out.println(count + " entries updated.");
    }
    catch (XMLDBException e) {
      System.err.println("XML:DB Exception occured " + e.errorCode + " " + e.getMessage());
    }
    finally {
      if (collection != null) {
        collection.close();
      }
    }
  }

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public class CreateCollection  extends AbstractExample {


  private static final String COLLECTION_NAME = "mycollection";


  public static void main(String[] args) throws Exception {
    Collection collection = null;
    try {


//      collection = getCollection("xmldb:xindice:///db/");
      collection = getCollection("xmldb:xindice://localhost:8888/db/");
//      collection = getCollection("xmldb:xindice-embed:///db/");


      CollectionManager service = (CollectionManager) collection.getService("CollectionManager", "1.0");


      try{
        service.dropCollection(COLLECTION_NAME);
        System.out.println("Dropped existing collection with name: " + COLLECTION_NAME);
      }
      catch (Exception e) {
                ; // nothing, this may be the first pass.
            }


      // Build up the Collection XML configuration.
      String collectionConfig =
        "<collection compressed=\"true\" name=\""
          + COLLECTION_NAME
          + "\">"
          + "   <filer class=\"org.apache.xindice.core.filer.BTreeFiler\" gzip=\"true\"/>"
          + "</collection>";


      service.createCollection(COLLECTION_NAME, DOMParser.toDocument(collectionConfig));


      System.out.println("Collection " + COLLECTION_NAME + " created.");
    }
    catch (XMLDBException e) {
      System.err.println("XML:DB Exception occured " + e.errorCode + " " + e.getMessage());
    }
    finally {
      if (collection != null) {
        collection.close();
      }
    }
  }

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        this.client.createCollection(XmlDbClientSetup.INSTANCE_NAME + "/" + XmlDbClientSetup.TEST_COLLECTION_NAME,
                                     name, DOMParser.toDocument(cfg));
    }


  public void testRoundTrip() throws Exception {
    Collection collection = client.getCollection(TEST_COLLECTION_PATH);
    if (collection == null) {
      throw new Exception("getCollection(" + TEST_COLLECTION_PATH + ") returned null");
    }


    /*
     * Create a binary resource, save it in the 'current' collection,
     * then retrieve it and verify that the data comes back right.
     */


        Resource newResource = collection.createResource(null, "BinaryResource");
        newResource.setContent(new byte[] { 0x00, 0x10, 0x01, 0x11 });
    collection.storeResource(newResource);
    String id = newResource.getId();


    Resource foundResource = collection.getResource(id);


    assertNotNull("We know you're in there...", foundResource);
    assertEquals("The resource type is supposed be 'BinaryResource'", "BinaryResource", foundResource.getResourceType());
    assertTrue("The resource is an instance of BinaryResource", foundResource instanceof BinaryResource);

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      assertEquals("The resources differ in byte " + i, newBytes[i], foundBytes[i]);
    }
  }


    public void testList() throws Exception {
        Collection collection = client.getCollection(TEST_COLLECTION_PATH);
        if (collection == null) {
            throw new Exception("getCollection(" + TEST_COLLECTION_PATH + ") returned null");
        }


        //
        // Create a binary resource, save it in the 'current' collection,
        // then list resources.
        //


        Resource newResource = collection.createResource(null, "BinaryResource");
        newResource.setContent(new byte[] { 0x00, 0x10, 0x01, 0x11 });
        collection.storeResource(newResource);
        String id = newResource.getId();


        String[] resources = collection.listResources();
        assertNotNull("Can not be null", resources);
        assertEquals("Should have one resource", 1, resources.length);
        assertEquals("Resource ID should match", id, resources[0]);


        collection.removeResource(newResource);
    }

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addressbook.AddContact

addressbook.DeleteContact

addressbook.EditContact

addressbook.ListContacts

addressbook.SearchContacts

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org.apache.cocoon.components.source.XMLDBSource

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