From 254ee6f47eebfc00462c10756a92066e82cc1a96 Mon Sep 17 00:00:00 2001
From: Andrew Branson <andrew@andrewbranson.net>
Date: Tue, 21 Jun 2011 15:46:02 +0200
Subject: Initial commit

---
 source/com/c2kernel/utils/Resource.java | 187 ++++++++++++++++++++++++++++++++
 1 file changed, 187 insertions(+)
 create mode 100755 source/com/c2kernel/utils/Resource.java

(limited to 'source/com/c2kernel/utils/Resource.java')

diff --git a/source/com/c2kernel/utils/Resource.java b/source/com/c2kernel/utils/Resource.java
new file mode 100755
index 0000000..7a47625
--- /dev/null
+++ b/source/com/c2kernel/utils/Resource.java
@@ -0,0 +1,187 @@
+package com.c2kernel.utils;
+
+//Java
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Hashtable;
+
+import javax.swing.ImageIcon;
+
+import com.c2kernel.common.ObjectNotFoundException;
+
+/**************************************************************************
+ *
+ * @author $Author: abranson $ $Date: 2005/10/05 07:39:36 $
+ * @version $Revision: 1.71 $
+ **************************************************************************/
+public class Resource {
+    static private Hashtable txtCache = new Hashtable();
+    static private Hashtable imgCache = new Hashtable();
+    static private URL baseURL = null;
+    static private URL domainBaseURL = null;
+    static private URL importURL = null;
+    static public ImageIcon nullImg = new ImageIcon(new byte[] { 0 });
+    static {
+        setKernelBaseURL("com/c2kernel/utils/resources/");
+    }
+
+    /*
+     * Kernel Resource URL section
+     */
+    public static void setKernelBaseURL(String newBaseURL) {
+        baseURL = getURLorResURL(newBaseURL);
+    }
+
+    public static void setKernelBaseURL(URL newBaseURL) {
+        baseURL = newBaseURL;
+    }
+
+    public static URL getKernelBaseURL() {
+        return baseURL;
+    }
+
+    static public URL getKernelResourceURL(String resName) throws MalformedURLException {
+        return new URL(baseURL, resName);
+    }
+    /*
+     * Domain Resource URL section
+     */
+
+    public static void setDomainBaseURL(URL newBaseURL) {
+        domainBaseURL = newBaseURL;
+    }
+
+    public static void setDomainBaseURL(String newBaseURL) {
+        domainBaseURL = getURLorResURL(newBaseURL);
+    }
+
+    public static URL getDomainBaseURL() {
+        return domainBaseURL;
+    }
+
+    static public URL getDomainResourceURL(String resName) throws MalformedURLException {
+        return new URL(domainBaseURL, resName);
+    }
+    
+    private static URL getURLorResURL(String newURL) {
+        URL result;
+        try {
+            result = new URL(newURL);
+        } catch (java.net.MalformedURLException ex) {
+            //it is assumed that a 'wrong' URL denotes a directory
+            //of files resolvable from the CLASSPATH
+            result = Resource.class.getClassLoader().getResource(newURL);
+        }
+        return result;
+    }
+    /**************************************************************************
+     * Gets any text resource files
+     **************************************************************************/
+    static public String getTextResource(String resName)
+    //        throws IOException
+    {
+        Logger.msg(8, "Resource::getTextResource() - Getting resource: " + resName);
+
+        if (txtCache.containsKey(resName)) {
+            return (String)txtCache.get(resName);
+        }
+
+        try {
+            
+            String newRes = null;
+            try {
+                newRes = FileStringUtility.url2String(getDomainResourceURL(resName));
+            } catch (Exception ex) { } // no domain base
+            
+            if (newRes == null || newRes.length() == 0) { // not found in domain
+                newRes = FileStringUtility.url2String(getKernelResourceURL(resName));
+            }
+            txtCache.put(resName, newRes);
+            return newRes;
+        } catch (Exception e) {
+            return null;
+        }
+    }
+    /**
+     * Gets an image from the resource directories
+     * 
+     * @param resName - filename after resources/images
+     * @return
+     */
+    static public ImageIcon getImageResource(String resName) {
+        try {
+            return getImage(resName);
+        } catch (ObjectNotFoundException ex) {
+            Logger.error("Image "+resName+" not found. Using null icon");
+            return nullImg;
+        }
+    }
+    
+    static public ImageIcon getImage(String resName) throws ObjectNotFoundException {
+        if (resName == null)
+            return nullImg;
+
+        if (imgCache.containsKey(resName)) {
+            return (ImageIcon)imgCache.get(resName);
+        }
+
+        URL imgLocation = null;
+        ImageIcon newImg = null;
+            // try domain resources first
+            if (domainBaseURL != null) {
+                try {
+                    imgLocation = new URL(domainBaseURL + "images/" + resName.toLowerCase());
+                    newImg = new ImageIcon(imgLocation);
+                } catch (MalformedURLException e) { }
+            }
+            
+            // try kernel resources next
+            if (newImg == null || newImg.getIconHeight() == -1) {
+                try {
+                    imgLocation = new URL(baseURL + "images/" + resName.toLowerCase());
+                    newImg = new ImageIcon(imgLocation);
+                } catch (MalformedURLException e) { }
+            }
+            
+            // else return null image
+            if (newImg == null || newImg.getIconHeight() == -1) {
+                throw new ObjectNotFoundException();
+            }
+            
+            else imgCache.put(resName, newImg);
+            Logger.msg(7, "Loaded "+resName+" "+newImg.getIconWidth()+"x"+newImg.getIconHeight());
+            return newImg;
+    }
+
+
+    /**
+     * Retrieves the stored import URL
+     * @return
+     */
+    public static URL getImportURL() {
+        return importURL;
+    }
+
+    /**
+     * @param url
+     */
+    public static void setImportURL(URL url) {
+        importURL = url;
+    }
+    static public String getDomainVersion() {
+		try {
+			return FileStringUtility.url2String(getDomainResourceURL("version.txt"));
+		} catch (Exception ex) {
+			return "Domain application version not found";
+		}
+    }
+    
+    static public String getKernelVersion() {
+    	try {
+			return FileStringUtility.url2String(getKernelResourceURL("textFiles/version.txt"));
+    	} catch (Exception ex) {
+    		return "No version info found";
+    	}
+    	
+    }
+}
-- 
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