Changeset 8023 for trunk/gli/src/org/greenstone/gatherer/metadata/MetadataElement.java

Timestamp:

2004-08-23T16:02:45+12:00 (20 years ago)

Author:

mdewsnip

Message:

More new metadata code: metadata elements now have definitions and comments.

File:

• trunk/gli/src/org/greenstone/gatherer/metadata/MetadataElement.java (modified) (3 diffs)

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

@@ -1 +1 @@
 package org.greenstone.gatherer.metadata;
+
+
+import org.greenstone.gatherer.util.XMLTools;
+import org.w3c.dom.*;
 
 
@@ -6 +10 @@
 {
     private String metadata_element_name_full = null;
-    private String metadata_element_description = null;
+    private Element metadata_element_element = null;
     private MetadataValueTreeModel metadata_value_tree_model = null;
 
 
-    public MetadataElement(String metadata_element_name_full, String metadata_element_description)
+    public MetadataElement(String metadata_element_name_full, Element metadata_element_element)
     {
     this.metadata_element_name_full = metadata_element_name_full;
-    this.metadata_element_description = metadata_element_description;
+    this.metadata_element_element = metadata_element_element;
     this.metadata_value_tree_model = new MetadataValueTreeModel(this);
     }
@@ -24 +28 @@
 
 
-    public String getDescription()
+    public String getAttribute(String attribute_name, String language_code)
     {
-    return metadata_element_description;
+    // Some extracted metadata elements may not be in ex.mds, and so have no attributes
+    // if (metadata_element_element == null) {
+    //     return null;
+    // }
+
+    Element parent_element = metadata_element_element;
+    boolean language_matches = false;
+
+    NodeList language_elements_nodelist = metadata_element_element.getElementsByTagName("Language");
+    for (int i = 0; i < language_elements_nodelist.getLength(); i++) {
+        Element current_language_element = (Element) language_elements_nodelist.item(i);
+        String current_language_element_code = current_language_element.getAttribute("code");
+        if (current_language_element_code.equals(language_code)) {
+        // Found language; use it for the next step
+        parent_element = current_language_element;
+        language_matches = true;
+        break;
+        }
+    }
+
+    NodeList attribute_elements_nodelist = parent_element.getElementsByTagName("Attribute");
+    for (int i = 0; i < attribute_elements_nodelist.getLength(); i++) {
+        Element current_attribute_element = (Element) attribute_elements_nodelist.item(i);
+        String current_attribute_element_name = current_attribute_element.getAttribute("name");
+        if (!current_attribute_element_name.equals(attribute_name)) {
+        // Move on to the next Attribute element if the name doesn't match
+        continue;
+        }
+
+        // Check if the language matches
+        String current_attribute_element_language = current_attribute_element.getAttribute("language");
+        if (language_matches || current_attribute_element_language.equals(language_code)) {
+        // Found attribute; returns its value
+        return XMLTools.getElementTextValue(current_attribute_element);
+        }
+    }
+
+    return null;
     }