Available didn't resolve filenames correctly.

Reported by:	Marc Gemis <marc.gemis.mg@belgium.agfa.com>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@267847 13f79535-47bb-0310-9956-ffa450edef68

docs/index.html

@@ -108,6 +108,9 @@ build Ant from the source code.</p>
 <h2><a name="buildingant">Building Ant</a></h2>
 <p>Go to the directory <code>jakarta-ant</code>.</p>
 <p>Make sure the JDK is in you path.</p>
+<p>Set the JAVA_HOME environment variable. This should be set to the
+directory where the JDK is installed. See <a href="#installing">Installing Ant</a>
+for examples on how to do this for your operating system.</p>
 <p>Run <code>bootstrap.bat</code> (Windows) or <code>bootstrap.sh</code> (UNIX)
 to build a bootstrap version of Ant.</p>
 <p>When finished, use</p>

src/main/org/apache/tools/ant/taskdefs/Available.java

@@ -68,7 +68,7 @@ public class Available extends Task {
 
     private String property;
     private String classname;
-    private String file;
+    private File file;
     private String resource;
 
     public void setProperty(String property) {
@@ -86,8 +86,8 @@ public class Available extends Task {
         this.classname = classname;
     }
 
-    public void setFile(String filename) {
-        this.file = filename;
+    public void setFile(File file) {
+        this.file = file;
     }
 
     public void setResource(String resource) {
@@ -102,14 +102,8 @@ public class Available extends Task {
         this.project.setProperty(property, "true");
     }
 
-    private boolean checkFile(String file) {
-        try {
-            File f = new File(file);
-            return f.exists();
-        } catch (Exception e) {
-            log(e.toString(), Project.MSG_VERBOSE);
-            return false;
-        }
+    private boolean checkFile(File file) {
+        return file.exists();
     }
 
     private boolean checkResource(String resource) {