Changeset 8128 for trunk/gli

Timestamp:

2004-09-21T11:19:32+12:00 (20 years ago)

Author:

mdewsnip

Message:

More work on opening legacy collections and dealing with non-namespaced metadata.

Location:

trunk/gli/src/org/greenstone/gatherer/metadata

Files:

• MetadataXMLFile.java (modified) (3 diffs)
• ProfileXMLFile.java (modified) (3 diffs)
• ProfileXMLFileManager.java (modified) (3 diffs)

trunk/gli/src/org/greenstone/gatherer/metadata/MetadataXMLFile.java

@@ -24 +24 @@
     super(metadata_xml_file_path);
 
+    boolean file_changed = false;
+
     // Parse the metadata.xml file
     Document document = XMLTools.parseXMLFile(this);
@@ -37 +39 @@
         String metadata_element_name_full = current_metadata_element.getAttribute("name");
 
+        // If the metadata element is in an unloaded metadata set give the option of mapping it into a loaded set
         String metadata_set_namespace = MetadataTools.getMetadataSetNamespace(metadata_element_name_full);
         MetadataSet metadata_set = MetadataSetManager.getMetadataSet(metadata_set_namespace);
         if (metadata_set == null) {
         // Check if we have an import mapping for this metadata element
-        String mapped_metadata_element_name_full = ProfileXMLFileManager.getMetadataElementFor(metadata_element_name_full);
-        System.err.println("  Mapped " + metadata_element_name_full + " to: " + mapped_metadata_element_name_full);
-        if (mapped_metadata_element_name_full == null) {
-            new MetadataImportMappingPrompt(metadata_element_name_full);
-        }
-
-        // Skip this element if the metadata set isn't loaded
-        continue;
+        String target_metadata_element_name_full = ProfileXMLFileManager.getMetadataElementFor(metadata_element_name_full);
+        if (target_metadata_element_name_full == null) {
+            // No, so ask the user how they want to deal with this element
+            MetadataImportMappingPrompt metadata_import_mapping_prompt = new MetadataImportMappingPrompt(metadata_element_name_full);
+            int result = metadata_import_mapping_prompt.getResult();
+
+            // !!! Add the element into an existing metadata set
+            if (result == MetadataImportMappingPrompt.ADD_BUTTON_PRESSED) {
+            MetadataSet target_metadata_set = metadata_import_mapping_prompt.getSelectedMetadataSet();
+            System.err.println("Added to " + target_metadata_set);
+            // target_metadata_element_name_full = 
+            }
+
+            // Map the element to an element in an existing metadata set
+            if (result == MetadataImportMappingPrompt.MAP_BUTTON_PRESSED) {
+            MetadataElement target_metadata_element = metadata_import_mapping_prompt.getSelectedMetadataElement();
+            target_metadata_element_name_full = target_metadata_element.getFullName();
+            }
+
+            // Ignore the element
+            if (result == MetadataImportMappingPrompt.IGNORE_BUTTON_PRESSED) {
+            target_metadata_element_name_full = "";
+            }
+
+            // Store this import mapping for future elements with the same name
+            ProfileXMLFileManager.mapElement(metadata_element_name_full, target_metadata_element_name_full);
+        }
+
+        System.err.println(metadata_element_name_full + " -> " + target_metadata_element_name_full);
+
+        // Skip this element if we still don't have a loaded element for it
+        if (target_metadata_element_name_full == null || target_metadata_element_name_full.equals("")) {
+            continue;
+        }
+
+        // Update the metadata.xml file to have the new element name
+        current_metadata_element.setAttribute("name", target_metadata_element_name_full);
+        file_changed = true;
+
+        metadata_element_name_full = target_metadata_element_name_full;
+        metadata_set_namespace = MetadataTools.getMetadataSetNamespace(metadata_element_name_full);
+        metadata_set = MetadataSetManager.getMetadataSet(metadata_set_namespace);
         }
 
@@ -56 +93 @@
         String current_metadata_element_value = XMLTools.getElementTextValue(current_metadata_element);
         metadata_element.addMetadataValue(current_metadata_element_value);
+    }
+
+    // Rewrite the metadata.xml file if it has changed
+    if (file_changed) {
+        XMLTools.writeXMLFile(this, document);
     }
     }

trunk/gli/src/org/greenstone/gatherer/metadata/ProfileXMLFile.java

@@ -3 +3 @@
 
 import java.io.*;
-import java.util.*;
 import org.greenstone.gatherer.util.XMLTools;
 import org.w3c.dom.*;
@@ -12 +11 @@
     extends File
 {
-    private HashMap metadata_import_mapping = new HashMap(); 
-
-
     public ProfileXMLFile(String profile_xml_file_path)
     {
     super(profile_xml_file_path);
+    }
 
+
+    public String getMetadataElementFor(String source_metadata_element_name_full)
+    {
     // Parse the profile.xml file
-    System.err.println("Loading profile.xml file " + profile_xml_file_path + "...");
+    Document document = XMLTools.parseXMLFile(this);
+    if (document == null) {
+        System.err.println("Error: Could not parse profile.xml file " + getAbsolutePath());
+        return null;
+    }
+
+    // Read all the Action elements in the file
+    NodeList action_elements_nodelist = document.getElementsByTagName("Action");
+    for (int i = 0; i < action_elements_nodelist.getLength(); i++) {
+        Element current_action_element = (Element) action_elements_nodelist.item(i);
+
+        // Does this action map the desired element?
+        if (current_action_element.getAttribute("source").equals(source_metadata_element_name_full)) {
+        return current_action_element.getAttribute("target");
+        }
+    }
+
+    // No import mapping for this element
+    return null;
+    }
+
+
+    public void mapElement(String source_metadata_element_name_full, String target_metadata_element_name_full)
+    {
+    // Parse the profile.xml file
     Document document = XMLTools.parseXMLFile(this);
     if (document == null) {
@@ -26 +50 @@
         return;
     }
-    }
 
+    // Create a new Action element to record this mapping
+    Element new_action_element = document.createElement("Action");
+    new_action_element.setAttribute("source", source_metadata_element_name_full);
+    new_action_element.setAttribute("target", target_metadata_element_name_full);
+    document.getDocumentElement().appendChild(new_action_element);
 
-    public String getMetadataElementFor(String metadata_element_name_full)
-    {
-    return (String) metadata_import_mapping.get(metadata_element_name_full);
+    // Rewrite the profile.xml file
+    XMLTools.writeXMLFile(this, document);
     }
 }

trunk/gli/src/org/greenstone/gatherer/metadata/ProfileXMLFileManager.java

@@ -13 +13 @@
 
 
-    static public ProfileXMLFile loadProfileXMLFile(File directory)
+    static public void loadProfileXMLFile(File directory)
     {
     // Make sure the directory (metadata) exists
@@ -27 +27 @@
 
     profile_xml_file = new ProfileXMLFile(profile_xml_file_file.getAbsolutePath());
-    return profile_xml_file;
     }
 
@@ -35 +34 @@
     return profile_xml_file.getMetadataElementFor(metadata_element_name_full);
     }
+
+
+    static public void mapElement(String metadata_element_name_full, String target_metadata_element_name_full)
+    {
+    profile_xml_file.mapElement(metadata_element_name_full, target_metadata_element_name_full);
+    }
 }