Work on logical backups.

[lgpl/argeo-commons.git] / org.argeo.maintenance / src / org / argeo / maintenance / backup / BackupContentHandler.java

diff --git a/org.argeo.maintenance/src/org/argeo/maintenance/backup/BackupContentHandler.java b/org.argeo.maintenance/src/org/argeo/maintenance/backup/BackupContentHandler.java
index 099323833dfe6da23fdfc07a641428ccbf5d15d6..745d39d1d36f9ad22fabf44bd5d2e8c41d6883bb 100644 (file)
--- a/org.argeo.maintenance/src/org/argeo/maintenance/backup/BackupContentHandler.java
+++ b/org.argeo.maintenance/src/org/argeo/maintenance/backup/BackupContentHandler.java
@@ -12,13 +12,16 @@ import javax.jcr.RepositoryException;
 import javax.jcr.Session;
 
 import org.apache.commons.io.IOUtils;
+import org.argeo.jcr.JcrException;
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;
 import org.xml.sax.helpers.DefaultHandler;
 
+/** XML handler serialising a JCR system view. */
 public class BackupContentHandler extends DefaultHandler {
        final static int MAX_DEPTH = 1024;
        final static String SV_NAMESPACE_URI = "http://www.jcp.org/jcr/sv/1.0";
+       final static String SV_PREFIX = "sv";
        // elements
        final static String NODE = "node";
        final static String PROPERTY = "property";
@@ -36,6 +39,8 @@ public class BackupContentHandler extends DefaultHandler {
        private Session session;
        private Set<String> contentPaths = new TreeSet<>();
 
+       private boolean inSystem = false;
+
        public BackupContentHandler(Writer out, Session session) {
                super();
                this.out = out;
@@ -73,12 +78,17 @@ public class BackupContentHandler extends DefaultHandler {
                        if (currentDepth > 0)
                                currentPath[currentDepth - 1] = nodeName;
 //                     System.out.println(getCurrentPath() + " , depth=" + currentDepth);
+                       if ("jcr:system".equals(nodeName)) {
+                               inSystem = true;
+                       }
                }
+               if (inSystem)
+                       return;
 
                if (SV_NAMESPACE_URI.equals(uri))
                        try {
                                out.write("<");
-                               out.write(localName);
+                               out.write(SV_PREFIX + ":" + localName);
                                if (isProperty)
                                        currentPropertyIsMultiple = false; // always reset
                                for (int i = 0; i < attributes.getLength(); i++) {
@@ -87,7 +97,7 @@ public class BackupContentHandler extends DefaultHandler {
                                                String attrName = attributes.getLocalName(i);
                                                String attrValue = attributes.getValue(i);
                                                out.write(" ");
-                                               out.write(attrName);
+                                               out.write(SV_PREFIX + ":" + attrName);
                                                out.write("=");
                                                out.write("\"");
                                                out.write(attrValue);
@@ -113,17 +123,19 @@ public class BackupContentHandler extends DefaultHandler {
                                                }
                                        }
                                }
-                               if (currentDepth == 0) {
-                                       out.write(" xmlns=\"" + SV_NAMESPACE_URI + "\"");
+                               if (isNode && currentDepth == 0) {
+                                       // out.write(" xmlns=\"" + SV_NAMESPACE_URI + "\"");
+                                       out.write(" xmlns:" + SV_PREFIX + "=\"" + SV_NAMESPACE_URI + "\"");
                                }
                                out.write(">");
                                if (isNode)
                                        out.write("\n");
                                else if (isProperty && currentPropertyIsMultiple)
                                        out.write("\n");
-                       } catch (IOException | RepositoryException e) {
-                               // TODO Auto-generated catch block
-                               e.printStackTrace();
+                       } catch (IOException e) {
+                               throw new RuntimeException(e);
+                       } catch (RepositoryException e) {
+                               throw new JcrException(e);
                        }
        }
 
@@ -134,7 +146,17 @@ public class BackupContentHandler extends DefaultHandler {
                        if (currentDepth > 0)
                                currentPath[currentDepth - 1] = null;
                        currentDepth = currentDepth - 1;
+                       if (inSystem) {
+                               // System.out.println("Skip " + getCurrentPath()+" ,
+                               // currentDepth="+currentDepth);
+                               if (currentDepth == 0) {
+                                       inSystem = false;
+                                       return;
+                               }
+                       }
                }
+               if (inSystem)
+                       return;
                boolean isValue = localName.equals(VALUE);
                if (SV_NAMESPACE_URI.equals(uri))
                        try {
@@ -143,7 +165,7 @@ public class BackupContentHandler extends DefaultHandler {
                                }
                                currentEncoded = null;
                                out.write("</");
-                               out.write(localName);
+                               out.write(SV_PREFIX + ":" + localName);
                                out.write(">");
                                if (!isValue)
                                        out.write("\n");
@@ -152,18 +174,18 @@ public class BackupContentHandler extends DefaultHandler {
                                                out.write("\n");
                                }
                        } catch (IOException e) {
-                               // TODO Auto-generated catch block
-                               e.printStackTrace();
+                               throw new RuntimeException(e);
                        }
        }
 
        @Override
        public void characters(char[] ch, int start, int length) throws SAXException {
+               if (inSystem)
+                       return;
                try {
                        out.write(ch, start, length);
                } catch (IOException e) {
-                       // TODO Auto-generated catch block
-                       e.printStackTrace();
+                       throw new RuntimeException(e);
                }
        }
 
@@ -190,6 +212,4 @@ public class BackupContentHandler extends DefaultHandler {
                return contentPaths;
        }
 
-       
-       
 }