Intorduce JCR sync, compatible with native image generation.

[lgpl/argeo-commons.git] / org.argeo.jcr / src / org / argeo / jcr / JcrUtils.java

diff --git a/org.argeo.jcr/src/org/argeo/jcr/JcrUtils.java b/org.argeo.jcr/src/org/argeo/jcr/JcrUtils.java
index 331164cf2b442dec485bb7a71ebb0d7a0c50dd65..94b1dfdfae31488762ab6ede2cfcb3580eeb3458 100644 (file)
--- a/org.argeo.jcr/src/org/argeo/jcr/JcrUtils.java
+++ b/org.argeo.jcr/src/org/argeo/jcr/JcrUtils.java
@@ -38,6 +38,7 @@ import java.util.Map;
 import java.util.TreeMap;
 
 import javax.jcr.Binary;
+import javax.jcr.Credentials;
 import javax.jcr.NamespaceRegistry;
 import javax.jcr.NoSuchWorkspaceException;
 import javax.jcr.Node;
@@ -991,16 +992,26 @@ public class JcrUtils {
 
        /** Writes a {@link Binary} from a byte array */
        public static void setBinaryAsBytes(Node node, String property, byte[] bytes) {
-               // InputStream in = null;
                Binary binary = null;
                try (InputStream in = new ByteArrayInputStream(bytes)) {
-                       // in = new ByteArrayInputStream(bytes);
                        binary = node.getSession().getValueFactory().createBinary(in);
                        node.setProperty(property, binary);
                } catch (Exception e) {
-                       throw new ArgeoJcrException("Cannot read binary " + property + " as bytes", e);
+                       throw new ArgeoJcrException("Cannot set binary " + property + " as bytes", e);
+               } finally {
+                       closeQuietly(binary);
+               }
+       }
+
+       /** Writes a {@link Binary} from a byte array */
+       public static void setBinaryAsBytes(Property prop, byte[] bytes) {
+               Binary binary = null;
+               try (InputStream in = new ByteArrayInputStream(bytes)) {
+                       binary = prop.getSession().getValueFactory().createBinary(in);
+                       prop.setValue(binary);
+               } catch (RepositoryException | IOException e) {
+                       throw new ArgeoJcrException("Cannot set binary " + prop + " as bytes", e);
                } finally {
-                       // IOUtils.closeQuietly(in);
                        closeQuietly(binary);
                }
        }
@@ -1057,16 +1068,25 @@ public class JcrUtils {
         */
        public static Session loginOrCreateWorkspace(Repository repository, String workspaceName)
                        throws RepositoryException {
+               return loginOrCreateWorkspace(repository, workspaceName, null);
+       }
+
+       /**
+        * Login to a workspace with implicit credentials, creates the workspace with
+        * these credentials if it does not already exist.
+        */
+       public static Session loginOrCreateWorkspace(Repository repository, String workspaceName, Credentials credentials)
+                       throws RepositoryException {
                Session workspaceSession = null;
                Session defaultSession = null;
                try {
                        try {
-                               workspaceSession = repository.login(workspaceName);
+                               workspaceSession = repository.login(credentials, workspaceName);
                        } catch (NoSuchWorkspaceException e) {
                                // try to create workspace
-                               defaultSession = repository.login();
+                               defaultSession = repository.login(credentials);
                                defaultSession.getWorkspace().createWorkspace(workspaceName);
-                               workspaceSession = repository.login(workspaceName);
+                               workspaceSession = repository.login(credentials, workspaceName);
                        }
                        return workspaceSession;
                } finally {
@@ -1298,23 +1318,30 @@ public class JcrUtils {
                return true;
        }
 
-       /** Gets access control list for this path, throws exception if not found */
+       /**
+        * Gets the first available access control list for this path, throws exception
+        * if not found
+        */
        public synchronized static AccessControlList getAccessControlList(AccessControlManager acm, String path)
                        throws RepositoryException {
                // search for an access control list
                AccessControlList acl = null;
                AccessControlPolicyIterator policyIterator = acm.getApplicablePolicies(path);
-               if (policyIterator.hasNext()) {
+               applicablePolicies: if (policyIterator.hasNext()) {
                        while (policyIterator.hasNext()) {
                                AccessControlPolicy acp = policyIterator.nextAccessControlPolicy();
-                               if (acp instanceof AccessControlList)
+                               if (acp instanceof AccessControlList) {
                                        acl = ((AccessControlList) acp);
+                                       break applicablePolicies;
+                               }
                        }
                } else {
                        AccessControlPolicy[] existingPolicies = acm.getPolicies(path);
-                       for (AccessControlPolicy acp : existingPolicies) {
-                               if (acp instanceof AccessControlList)
+                       existingPolicies: for (AccessControlPolicy acp : existingPolicies) {
+                               if (acp instanceof AccessControlList) {
                                        acl = ((AccessControlList) acp);
+                                       break existingPolicies;
+                               }
                        }
                }
                if (acl != null)
@@ -1487,7 +1514,7 @@ public class JcrUtils {
                                contentNode = fileNode.getNode(Node.JCR_CONTENT);
                        } else {
                                fileNode = folderNode.addNode(fileName, NodeType.NT_FILE);
-                               contentNode = fileNode.addNode(Node.JCR_CONTENT, NodeType.NT_RESOURCE);
+                               contentNode = fileNode.addNode(Node.JCR_CONTENT, NodeType.NT_UNSTRUCTURED);
                        }
                        binary = contentNode.getSession().getValueFactory().createBinary(in);
                        contentNode.setProperty(Property.JCR_DATA, binary);
@@ -1499,6 +1526,11 @@ public class JcrUtils {
                }
        }
 
+       /** Read an an nt:file as an {@link InputStream}. */
+       public static InputStream getFileAsStream(Node fileNode) throws RepositoryException {
+               return fileNode.getNode(Node.JCR_CONTENT).getProperty(Property.JCR_DATA).getBinary().getStream();
+       }
+
        /**
         * Computes the checksum of an nt:file.
         * 
@@ -1506,14 +1538,11 @@ public class JcrUtils {
         */
        @Deprecated
        public static String checksumFile(Node fileNode, String algorithm) {
-               Binary data = null;
                try (InputStream in = fileNode.getNode(Node.JCR_CONTENT).getProperty(Property.JCR_DATA).getBinary()
                                .getStream()) {
                        return digest(algorithm, in);
                } catch (RepositoryException | IOException e) {
                        throw new ArgeoJcrException("Cannot checksum file " + fileNode, e);
-               } finally {
-                       closeQuietly(data);
                }
        }