Introduce JCRX checksum and improve JCR last modified routines.

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

diff --git a/org.argeo.jcr/src/org/argeo/jcr/Jcr.java b/org.argeo.jcr/src/org/argeo/jcr/Jcr.java
index 3ee235f62fd6c2afa02115d2545d7b86711b0a3e..263128448f3f5f133b194c91cf2f647013d5b5d2 100644 (file)
--- a/org.argeo.jcr/src/org/argeo/jcr/Jcr.java
+++ b/org.argeo.jcr/src/org/argeo/jcr/Jcr.java
@@ -36,6 +36,61 @@ import javax.jcr.version.VersionManager;
  * exceptions. Loosely inspired by Java's <code>Files</code> singleton.
  */
 public class Jcr {
+       /**
+        * The name of a node which will be serialized as XML text, as per section 7.3.1
+        * of the JCR 2.0 specifications.
+        */
+       public final static String JCR_XMLTEXT = "jcr:xmltext";
+       /**
+        * The name of a property which will be serialized as XML text, as per section
+        * 7.3.1 of the JCR 2.0 specifications.
+        */
+       public final static String JCR_XMLCHARACTERS = "jcr:xmlcharacters";
+       /**
+        * <code>jcr:name</code>, when used in another context than
+        * {@link Property#JCR_NAME}, typically to name a node rather than a property.
+        */
+       public final static String JCR_NAME = "jcr:name";
+       /**
+        * <code>jcr:path</code>, when used in another context than
+        * {@link Property#JCR_PATH}, typically to name a node rather than a property.
+        */
+       public final static String JCR_PATH = "jcr:path";
+       /**
+        * <code>jcr:primaryType</code> with prefix instead of namespace (as in
+        * {@link Property#JCR_PRIMARY_TYPE}.
+        */
+       public final static String JCR_PRIMARY_TYPE = "jcr:primaryType";
+       /**
+        * <code>jcr:mixinTypes</code> with prefix instead of namespace (as in
+        * {@link Property#JCR_MIXIN_TYPES}.
+        */
+       public final static String JCR_MIXIN_TYPES = "jcr:mixinTypes";
+       /**
+        * <code>jcr:uuid</code> with prefix instead of namespace (as in
+        * {@link Property#JCR_UUID}.
+        */
+       public final static String JCR_UUID = "jcr:uuid";
+       /**
+        * <code>jcr:created</code> with prefix instead of namespace (as in
+        * {@link Property#JCR_CREATED}.
+        */
+       public final static String JCR_CREATED = "jcr:created";
+       /**
+        * <code>jcr:createdBy</code> with prefix instead of namespace (as in
+        * {@link Property#JCR_CREATED_BY}.
+        */
+       public final static String JCR_CREATED_BY = "jcr:createdBy";
+       /**
+        * <code>jcr:lastModified</code> with prefix instead of namespace (as in
+        * {@link Property#JCR_LAST_MODIFIED}.
+        */
+       public final static String JCR_LAST_MODIFIED = "jcr:lastModified";
+       /**
+        * <code>jcr:lastModifiedBy</code> with prefix instead of namespace (as in
+        * {@link Property#JCR_LAST_MODIFIED_BY}.
+        */
+       public final static String JCR_LAST_MODIFIED_BY = "jcr:lastModifiedBy";
 
        /**
         * @see Node#isNodeType(String)
@@ -289,7 +344,8 @@ public class Jcr {
        }
 
        /**
-        * Get property as a {@link String}.
+        * Get property as a {@link String}. If the property is multiple it returns the
+        * first value.
         * 
         * @return the value of
         *         {@link Node#getProperty(String)}.{@link Property#getString()} or
@@ -298,9 +354,18 @@ public class Jcr {
         */
        public static String get(Node node, String property, String defaultValue) {
                try {
-                       if (node.hasProperty(property))
-                               return node.getProperty(property).getString();
-                       else
+                       if (node.hasProperty(property)) {
+                               Property p = node.getProperty(property);
+                               if (!p.isMultiple())
+                                       return p.getString();
+                               else {
+                                       Value[] values = p.getValues();
+                                       if (values.length == 0)
+                                               return defaultValue;
+                                       else
+                                               return values[0].getString();
+                               }
+                       } else
                                return defaultValue;
                } catch (RepositoryException e) {
                        throw new IllegalStateException("Cannot retrieve property " + property + " from " + node);
@@ -337,6 +402,7 @@ public class Jcr {
        @SuppressWarnings("unchecked")
        public static <T> T getAs(Node node, String property, T defaultValue) {
                try {
+                       // TODO deal with multiple
                        if (node.hasProperty(property)) {
                                Property p = node.getProperty(property);
                                try {