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package org.alfresco.sample.webservice; import java.io.InputStream; import org.alfresco.webservice.content.Content; import org.alfresco.webservice.content.ContentServiceSoapBindingStub; import org.alfresco.webservice.repository.UpdateResult; import org.alfresco.webservice.types.CML; import org.alfresco.webservice.types.CMLCreate; import org.alfresco.webservice.types.ContentFormat; import org.alfresco.webservice.types.NamedValue; import org.alfresco.webservice.types.ParentReference; import org.alfresco.webservice.types.Predicate; import org.alfresco.webservice.types.Reference; import org.alfresco.webservice.util.AuthenticationUtils; import org.alfresco.webservice.util.Constants; import org.alfresco.webservice.util.ContentUtils; import org.alfresco.webservice.util.Utils; import org.alfresco.webservice.util.WebServiceFactory; /** * Web service sample 3 * <p> * This web service sample shows how new content can be added to the repository and how content * can be read and updated via the web service API. * * @author Roy Wetherall */ public class ContentReadAndWrite extends SamplesBase { /** Content strings used in the sample */ private static final String INITIAL_CONTENT = "This is some new content that I am adding to the repository"; private static final String UPDATED_CONTENT = "This is the updated content"; /** The type of the association we are creating to the new content */ private static final String ASSOC_CONTAINS = "{http://www.alfresco.org/model/content/1.0}contains"; /** * Main function */ public static void main(String[] args) throws Exception { // Start the session AuthenticationUtils.startSession(USERNAME, PASSWORD); try { // Make sure smaple data has been created createSampleData(); // Get the content service ContentServiceSoapBindingStub contentService = WebServiceFactory.getContentService(); // Create new content in the respository Reference newContentReference = createNewContent(contentService, "sampleThreeFileOne.txt", INITIAL_CONTENT); // Read the newly added content from the respository Content[] readResult = contentService.read( new Predicate(new Reference[]{newContentReference}, STORE, null), Constants.PROP_CONTENT); Content content = readResult[0]; // Get the content from the download servlet using the URL and display it System.out.println("The newly added content is:"); System.out.println(ContentUtils.getContentAsString(content)); // Update the content with something new contentService.write(newContentReference, Constants.PROP_CONTENT, UPDATED_CONTENT.getBytes(), null); // Now output the updated content Content[] readResult2 = contentService.read( new Predicate(new Reference[]{newContentReference}, STORE, null), Constants.PROP_CONTENT); Content content2 = readResult2[0]; System.out.println("The updated content is:"); System.out.println(ContentUtils.getContentAsString(content2)); // Upload binary content into the repository Reference reference = Query1.executeSearch(); ParentReference parentReference = new ParentReference(reference.getStore(), reference.getUuid(), null, ASSOC_CONTAINS, "{" + Constants.NAMESPACE_CONTENT_MODEL + "}test.jpg"); // Create the content NamedValue[] properties = new NamedValue[]{Utils.createNamedValue(Constants.PROP_NAME, "test.jpg")}; CMLCreate create = new CMLCreate("1", parentReference, null, null, null, Constants.TYPE_CONTENT, properties); CML cml = new CML(); cml.setCreate(new CMLCreate[]{create}); UpdateResult[] result = WebServiceFactory.getRepositoryService().update(cml); // Get the created node and create the format Reference newContentNode = result[0].getDestination(); ContentFormat format = new ContentFormat("image/jpeg", "UTF-8"); // Open the file and convert to byte array InputStream viewStream = newContentNode.getClass().getClassLoader().getResourceAsStream("org/alfresco/webservice/test/resources/test.jpg"); byte[] bytes = ContentUtils.convertToByteArray(viewStream); // Write the content WebServiceFactory.getContentService().write(newContentNode, Constants.PROP_CONTENT, bytes, format); } finally { // End the session AuthenticationUtils.endSession(); } } /** * Helper method to create new content. * * @param contentService the content web service * @param content the content itself * @return a reference to the created content node * @throws Exception */ public static Reference createNewContent(ContentServiceSoapBindingStub contentService, String name, String contentString) throws Exception { // Update name name = System.currentTimeMillis() + "_" + name; // Create a parent reference, this contains information about the association we are createing to the new content and the // parent of the new content (the space retrived from the search) ParentReference parentReference = new ParentReference(STORE, null, "/app:company_home/cm:sample_folder", ASSOC_CONTAINS, "{" + Constants.NAMESPACE_CONTENT_MODEL + "}" + name); // Define the content format for the content we are adding ContentFormat contentFormat = new ContentFormat("text/plain", "UTF-8"); NamedValue[] properties = new NamedValue[]{Utils.createNamedValue(Constants.PROP_NAME, name)}; CMLCreate create = new CMLCreate("1", parentReference, null, null, null, Constants.TYPE_CONTENT, properties); CML cml = new CML(); cml.setCreate(new CMLCreate[]{create}); UpdateResult[] result = WebServiceFactory.getRepositoryService().update(cml); Reference newContentNode = result[0].getDestination(); Content content = contentService.write(newContentNode, Constants.PROP_CONTENT, contentString.getBytes(), contentFormat); // Get a reference to the newly created content return content.getNode(); } }
