Add cached path to content

[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / acr / AbstractContent.java

diff --git a/org.argeo.cms/src/org/argeo/cms/acr/AbstractContent.java b/org.argeo.cms/src/org/argeo/cms/acr/AbstractContent.java
index fa8062f7c12ea4fa7c596df69ffb89541112444d..0aa4e9d4f783d770d9c2e1b44ecdef76ec854129 100644 (file)
--- a/org.argeo.cms/src/org/argeo/cms/acr/AbstractContent.java
+++ b/org.argeo.cms/src/org/argeo/cms/acr/AbstractContent.java
@@ -15,16 +15,26 @@ import javax.xml.namespace.QName;
 import org.argeo.api.acr.Content;
 import org.argeo.api.acr.CrName;
 import org.argeo.api.acr.spi.ProvidedContent;
+import org.argeo.api.acr.spi.ProvidedSession;
+import org.argeo.util.LangUtils;
 
 /** Partial reference implementation of a {@link ProvidedContent}. */
 public abstract class AbstractContent extends AbstractMap<QName, Object> implements ProvidedContent {
+       private final ProvidedSession session;
+
+       // cache
+       private String _path = null;
+
+       public AbstractContent(ProvidedSession session) {
+               this.session = session;
+       }
 
        /*
         * ATTRIBUTES OPERATIONS
         */
-       protected abstract Iterable<QName> keys();
-
-       protected abstract void removeAttr(QName key);
+//     protected abstract Iterable<QName> keys();
+//
+//     protected abstract void removeAttr(QName key);
 
        @Override
        public Set<Entry<QName, Object>> entrySet() {
@@ -81,16 +91,19 @@ public abstract class AbstractContent extends AbstractMap<QName, Object> impleme
 
        @Override
        public String getPath() {
+               if (_path != null)
+                       return _path;
                List<Content> ancestors = new ArrayList<>();
                collectAncestors(ancestors, this);
                StringBuilder path = new StringBuilder();
                for (Content c : ancestors) {
                        QName name = c.getName();
                        // FIXME
-                       if (!CrName.ROOT.get().equals(name))
+                       if (!CrName.root.qName().equals(name))
                                path.append('/').append(name);
                }
-               return path.toString();
+               _path = path.toString();
+               return _path;
        }
 
        private void collectAncestors(List<Content> ancestors, Content content) {
@@ -106,12 +119,30 @@ public abstract class AbstractContent extends AbstractMap<QName, Object> impleme
                collectAncestors(ancestors, this);
                return ancestors.size();
        }
-       
+
        @Override
        public String getSessionLocalId() {
                return getPath();
        }
 
+       /*
+        * SESSION
+        */
+
+       @Override
+       public ProvidedSession getSession() {
+               return session;
+       }
+
+       /*
+        * TYPING
+        */
+
+       @Override
+       public List<QName> getContentClasses() {
+               return new ArrayList<>();
+       }
+
        /*
         * UTILITIES
         */
@@ -125,6 +156,40 @@ public abstract class AbstractContent extends AbstractMap<QName, Object> impleme
 //             return "content " + getPath();
 //     }
 
+       /*
+        * DEFAULTS
+        */
+       // - no children
+       // - no attributes
+       // - cannot be modified
+       @Override
+       public Iterator<Content> iterator() {
+               return Collections.emptyIterator();
+       }
+
+       @Override
+       public Content add(QName name, QName... classes) {
+               throw new UnsupportedOperationException("Content cannot be added.");
+       }
+
+       @Override
+       public void remove() {
+               throw new UnsupportedOperationException("Content cannot be removed.");
+       }
+
+       protected Iterable<QName> keys() {
+               return Collections.emptySet();
+       }
+
+       @Override
+       public <A> Optional<A> get(QName key, Class<A> clss) {
+               return null;
+       }
+
+       protected void removeAttr(QName key) {
+               throw new UnsupportedOperationException("Attributes cannot be removed.");
+       }
+
        /*
         * SUB CLASSES
         */
@@ -168,13 +233,16 @@ public abstract class AbstractContent extends AbstractMap<QName, Object> impleme
 
                @Override
                public int size() {
-
-                       int count = 0;
-                       for (Iterator<QName> it = keys().iterator(); it.hasNext();) {
-                               count++;
-                       }
-                       return count;
+                       return LangUtils.size(keys());
                }
 
        }
+
+       /*
+        * OBJECT METHODS
+        */
+       @Override
+       public String toString() {
+               return "content " + getPath();
+       }
 }