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Posted to commits@lenya.apache.org by ed...@apache.org on 2004/01/21 17:18:24 UTC
cvs commit: cocoon-lenya/src/java/org/apache/lenya/cms/publication SiteTreeNodeImpl.java SiteTreeNode.java
edith 2004/01/21 08:18:24
Modified: src/java/org/apache/lenya/cms/publication
SiteTreeNodeImpl.java SiteTreeNode.java
Log:
acceptReserveSubtree method for the visitor pattern
Revision Changes Path
1.23 +33 -3 cocoon-lenya/src/java/org/apache/lenya/cms/publication/SiteTreeNodeImpl.java
Index: SiteTreeNodeImpl.java
===================================================================
RCS file: /home/cvs/cocoon-lenya/src/java/org/apache/lenya/cms/publication/SiteTreeNodeImpl.java,v
retrieving revision 1.22
retrieving revision 1.23
diff -u -r1.22 -r1.23
--- SiteTreeNodeImpl.java 7 Jan 2004 13:22:42 -0000 1.22
+++ SiteTreeNodeImpl.java 21 Jan 2004 16:18:24 -0000 1.23
@@ -399,6 +399,36 @@
}
/**
+ * (non-Javadoc)
+ * @see org.apache.lenya.cms.publication.SiteTreeNode#acceptSubtree(org.apache.lenya.cms.publication.SiteTreeNodeVisitor)
+ */
+ public void acceptReverseSubtree(SiteTreeNodeVisitor visitor) throws DocumentException {
+ List orderedNodes = this.postOrder();
+ for (int i = 0; i < orderedNodes.size(); i++) {
+ SiteTreeNode node = (SiteTreeNode)orderedNodes.get(i);
+ node.accept(visitor);
+ }
+ }
+
+ /**
+ * (non-Javadoc)
+ * @see org.apache.lenya.cms.publication.SiteTreeNode#postOrder()
+ */
+ public List postOrder(){
+ List list = new ArrayList();
+ SiteTreeNode[] children = this.getChildren();
+ if (children == null) {
+ log.info("The node " + this.getId() + " has no children");
+ } else {
+ for (int i = 0; i < children.length; i++) {
+ List orderedChildren = children[i].postOrder();
+ list.addAll(orderedChildren);
+ }
+ }
+ list.add(this);
+ return list;
+ }
+ /**
* @see org.apache.lenya.cms.publication.SiteTreeNode#setLabel(org.apache.lenya.cms.publication.Label)
*/
public void setLabel(Label label) {
1.16 +20 -3 cocoon-lenya/src/java/org/apache/lenya/cms/publication/SiteTreeNode.java
Index: SiteTreeNode.java
===================================================================
RCS file: /home/cvs/cocoon-lenya/src/java/org/apache/lenya/cms/publication/SiteTreeNode.java,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -r1.15 -r1.16
--- SiteTreeNode.java 23 Sep 2003 13:46:02 -0000 1.15
+++ SiteTreeNode.java 21 Jan 2004 16:18:24 -0000 1.16
@@ -55,6 +55,8 @@
*/
package org.apache.lenya.cms.publication;
+import java.util.List;
+
/**
* This interface is a wrapper around the more general w3c.Node which
* hides some details which are irrelevant for site tree nodes. It basically
@@ -206,10 +208,25 @@
void acceptSubtree(SiteTreeNodeVisitor visitor) throws DocumentException;
/**
+ * Traverse in a reverse way the node ant its children and call the
+ * accept method.
+ * @param visitor The visitor.
+ *
+ * @throws DocumentException if an error occurs
+ */
+ void acceptReverseSubtree(SiteTreeNodeVisitor visitor) throws DocumentException;
+ /**
* Sets a label of an this node. If the label does not exist, it is added.
* Otherwise, the existing label is replaced.
*
* @param label the label to add
*/
void setLabel(Label label);
+
+ /**
+ * Give a list of the children and this node in a post order way
+ * @return The list
+ */
+ List postOrder();
+
}
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