Changeset 6630 for trunk/gli/src/org/greenstone/gatherer/file/FileAssociationManager.java

Timestamp:

2004-01-28T14:37:50+13:00 (20 years ago)

Author:

jmt12

Message:

File associations are now stored in the user specific config. Also, to make everyones life a little easier, the config has a version number which if no match is found, causes the current config to be backed-up, and a new default config created.

File:

• trunk/gli/src/org/greenstone/gatherer/file/FileAssociationManager.java (modified) (10 diffs)

trunk/gli/src/org/greenstone/gatherer/file/FileAssociationManager.java

@@ -41 +41 @@
     extends AbstractTableModel {
     static final public String FILENAME_ARG = "%1";
-    static final private String DATA_FILENAME = "associations.xml";
-    static final private String ENTRY_ELEMENT = "Entry";
     static final private String ESCAPE = "\\\\"; // '\'
     static final private String ESCAPED_ESCAPE = "\\\\\\\\"; // '\\'
-    static final private String EXTENSION_ATTRIBUTE = "extension";
-    private Document document;
+    private Element associations_element;
     private File data_file;   
 
     public FileAssociationManager() {
-    // If a associations.xml is available in the GLI install directory load it.
-    data_file = new File(Utility.BASE_DIR + DATA_FILENAME);
-    if(data_file.exists()) {
-        document = Utility.parse(data_file, true);
-    }
-    // Load the default associations xml data file. This can be done using the classloader.
-    else {
-        document = Utility.parse(Utility.XML_DIRECTORY + DATA_FILENAME, true);
-    }
+    // Retrieve the associations_element from the config
+    associations_element = Gatherer.config.getFileAssociations();
     // Initialize the associations. This involves looking through all current associations searching for those with a command of "".
-    if(document != null) {
-        NodeList entries = (document.getDocumentElement()).getElementsByTagName(ENTRY_ELEMENT);
+    if(associations_element != null) {
+        NodeList entries = associations_element.getElementsByTagName(StaticStrings.ENTRY_ELEMENT);
         for(int i = 0; i < entries.getLength(); i++) {
         Element entry = (Element) entries.item(i);
-        String extension = entry.getAttribute(EXTENSION_ATTRIBUTE);
+        String extension = entry.getAttribute(StaticStrings.EXTENSION_ATTRIBUTE);
         String command = MSMUtils.getValue(entry);
         // If we encounter a command of ""...
@@ -139 +129 @@
     // pretend we are trying to open an html file
     // Mmmoooo. - jmt12
-    /*
-    String extension = "html";
-    Element entry = getCommand(extension);
-    if (entry != null) {
-        command = MSMUtils.getValue(entry); 
-    }
-    
-    if(command == null || command.length() == 0) {
-        FileAssociationDialog dialog = new FileAssociationDialog(this);
-        command = dialog.display(extension);
-        dialog = null;
-    }
-    if(command != null) {
-        // If no previous entry existed create one.
-        if(entry == null) {
-        entry = document.createElement(ENTRY_ELEMENT);
-        entry.setAttribute(EXTENSION_ATTRIBUTE, extension);
-        document.getDocumentElement().appendChild(entry);
-        }
-        // Replace the text in this node. Remember to replace the dummy filename with %1
-        MSMUtils.setValue(entry, command.replaceAll("temp.html", FILENAME_ARG));
-    }
-    */
+
     // if we haven't got a command by now, we'll never get one
     if (command == null) {
@@ -234 +202 @@
             // If no previous entry existed create one.
             if(entry == null) {
-            entry = document.createElement(ENTRY_ELEMENT);
-            entry.setAttribute(EXTENSION_ATTRIBUTE, extension);
-            document.getDocumentElement().appendChild(entry);
+            entry = associations_element.getOwnerDocument().createElement(StaticStrings.ENTRY_ELEMENT);
+            entry.setAttribute(StaticStrings.EXTENSION_ATTRIBUTE, extension);
+            associations_element.appendChild(entry);
             }
             // Replace the text in this node. Remember to replace the dummy filename with %1 - I dont think the filename will ever be in the comand now
@@ -258 +226 @@
 
     public Element getCommand(String target_extension) {
-    NodeList entries = document.getDocumentElement().getElementsByTagName(ENTRY_ELEMENT);
+    NodeList entries = associations_element.getElementsByTagName(StaticStrings.ENTRY_ELEMENT);
     for(int i = 0; i < entries.getLength(); i++) { 
         Element entry = (Element) entries.item(i);
-        String extension = entry.getAttribute(EXTENSION_ATTRIBUTE);
+        String extension = entry.getAttribute(StaticStrings.EXTENSION_ATTRIBUTE);
         if(extension.equalsIgnoreCase(target_extension)) {
         entries = null;
@@ -283 +251 @@
 
     public String getExtension(int index) {
-    NodeList entries = document.getDocumentElement().getElementsByTagName(ENTRY_ELEMENT);
+    NodeList entries = associations_element.getElementsByTagName(StaticStrings.ENTRY_ELEMENT);
     if(0 <= index && index < entries.getLength()) {
         Element entry = (Element) entries.item(index);
-        return entry.getAttribute(EXTENSION_ATTRIBUTE);
+        return entry.getAttribute(StaticStrings.EXTENSION_ATTRIBUTE);
     }
     return "";
@@ -292 +260 @@
 
     public int getRowCount() {
-    NodeList entries = document.getDocumentElement().getElementsByTagName(ENTRY_ELEMENT);
-    return entries.getLength();
+    return size();
     }
 
@@ -307 +274 @@
 
     public void save() {
-    Utility.export(document, data_file);
     }
 
@@ -316 +282 @@
     // If no previous entry existed create one.
     if(entry == null && command != null) {
-        entry = document.createElement(ENTRY_ELEMENT);
-        entry.setAttribute(EXTENSION_ATTRIBUTE, extension);
-        document.getDocumentElement().appendChild(entry);
+        entry = associations_element.getOwnerDocument().createElement(StaticStrings.ENTRY_ELEMENT);
+        entry.setAttribute(StaticStrings.EXTENSION_ATTRIBUTE, extension);
+        associations_element.appendChild(entry);
     }
 
@@ -327 +293 @@
     else {
         // Remove the entry
-        document.getDocumentElement().removeChild(entry);
+        associations_element.removeChild(entry);
     }
     entry = null;
@@ -334 +300 @@
 
     public int size() {
-    NodeList entries = document.getDocumentElement().getElementsByTagName(ENTRY_ELEMENT);
+    NodeList entries = associations_element.getElementsByTagName(StaticStrings.ENTRY_ELEMENT);
     return entries.getLength();
     }