Changeset 6201 for trunk

Timestamp:

2003-12-10T16:30:33+13:00 (20 years ago)

Author:

jmt12

Message:

Added a new method to remove all of the extracted metadata in the collection

File:

• trunk/gli/src/org/greenstone/gatherer/msm/GDMManager.java (modified) (9 diffs)

trunk/gli/src/org/greenstone/gatherer/msm/GDMManager.java

@@ -37 +37 @@
 package org.greenstone.gatherer.msm;
 
+import java.awt.*;
+import java.awt.event.*;
 import java.io.*;
 import java.util.*;
+import javax.swing.*;
+import javax.swing.event.*;
 import javax.swing.tree.*;
 import org.greenstone.gatherer.Gatherer;
@@ -49 +53 @@
 import org.greenstone.gatherer.msm.MSMEvent;
 import org.greenstone.gatherer.msm.MSMListener;
+import org.greenstone.gatherer.util.DOMTree;
 import org.greenstone.gatherer.util.HashMap3D;
 import org.greenstone.gatherer.util.StaticStrings;
@@ -62 +67 @@
     /** A list of the known metadata instances, thus we only store one of each unique metadata, and reference the rest. */
     static public HashMap3D metadata_cache = null;
+    private DOMTree tree = null;
+    private JComboBox documents_in_cache_combobox = null;
     /** The root file node. */
     private TreeNode root = null;
@@ -74 +81 @@
     // Connect
     Gatherer.c_man.getCollection().msm.addMSMListener(this);
+    // We also have a debug dialog
+    if(Gatherer.debug != null) {
+        display();
+    }
     }
 
@@ -109 +120 @@
     // Done!
     }
+
+    /** This debug facility shows the currently loaded collect.cfg or CollectConfig.xml file as a DOM tree. */
+    public void display() {
+    JDialog dialog = new JDialog(Gatherer.g_man, "Greenstone Metadata Document Manager", false);
+    dialog.setSize(400,400);
+    JPanel content_pane = (JPanel) dialog.getContentPane();
+    GDMDocument metadata_xml = new GDMDocument();
+    tree = new DOMTree(metadata_xml.getDocument());
+    metadata_xml = null;
+    documents_in_cache_combobox = new JComboBox();
+    documents_in_cache_combobox.addItemListener(new DOMItemListener());
+    JButton refresh_button = new JButton("Refresh Tree");
+    refresh_button.addActionListener(new ActionListener() {
+        public void actionPerformed(ActionEvent event) {
+            File metadata_file = (File) documents_in_cache_combobox.getSelectedItem();
+            if(metadata_file != null) {
+            GDMDocument document = (GDMDocument) get(metadata_file);
+            tree.setDocument(document.getDocument());
+            document = null;
+            metadata_file = null;
+            }
+        }
+        });
+    content_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
+    content_pane.setLayout(new BorderLayout());
+    content_pane.add(documents_in_cache_combobox, BorderLayout.NORTH);
+    content_pane.add(new JScrollPane(tree), BorderLayout.CENTER);
+    content_pane.add(refresh_button, BorderLayout.SOUTH);
+    dialog.show();
+    }
+
+    private class DOMItemListener
+    implements ItemListener {
+    
+    public void itemStateChanged(ItemEvent event) {
+        if(event.getStateChange() == ItemEvent.SELECTED) {
+        File metadata_file = (File) documents_in_cache_combobox.getSelectedItem();
+        if(metadata_file != null) {
+            GDMDocument document = (GDMDocument) get(metadata_file);
+            tree.setDocument(document.getDocument());
+            document = null;
+            metadata_file = null;
+        }
+        }
+    }
+    }
+
     /** Method that is called whenever an element within a set is changed or modified. Ensure all cached GDMDocuments are marked as stale.
      * @param event A <strong>MSMEvent</strong> containing details of the event that caused this message to be fired.
@@ -150 +208 @@
         }
         put(metadata_file, metadata_xml);
+        if(documents_in_cache_combobox != null) {
+        documents_in_cache_combobox.addItem(metadata_file);
+        }
         //Gatherer.println("[0ms]\tCached " + metadata_file);
     }
@@ -224 +285 @@
     }
     GDMDocument document = getDocument(file);
-    if(document != null) {
+    if(file != null && document != null) {
         metadata = document.getMetadata(filename, remove, metadata, file, append_folder_level);
         document = null;
@@ -341 +402 @@
         }
     }
+    }
+
+    public void removeExtractedMetadata() {
+    try {
+        // Remove all of the extracted metadata in the collection
+        removeExtractedMetadata(new File(Gatherer.c_man.getCollectionImport()));
+    }
+    catch (Exception exception) {
+        Gatherer.println("Exception in GDMManager.removeExtractedMetadata - unexpected");
+        Gatherer.printStackTrace(exception);
+    }
+    }
+
+    private void removeExtractedMetadata(File file) {
+    // Retrieve the gdm document for this file
+    GDMDocument metadata_xml_document = getDocument(file);
+    // Remove the extracted metadata
+    System.err.println("Removing the extracted metadata from the file: " + file);
+    metadata_xml_document.removeExtractedMetadata();
+    metadata_xml_document = null;
+    // Then recurse down the directory structure looking for other metadata.xml files
+    File child_files[] = file.listFiles();
+    for(int i = 0; i < child_files.length; i++) {
+        if(child_files[i].isDirectory()) {
+        removeExtractedMetadata(child_files[i]);
+        }
+    }
+    child_files = null;
     }
 
@@ -509 +598 @@
         GDMDocument document = (GDMDocument) eldest.getValue();
         save(file, document);
+        
+        if(documents_in_cache_combobox != null) {
+        documents_in_cache_combobox.removeItem(file);
+        }
         // And then dump it
         return true;