even more FileUtils.close and try-with-resources cases

src/main/org/apache/tools/ant/AntClassLoader.java

@@ -1407,12 +1407,7 @@ public class AntClassLoader extends ClassLoader implements SubBuildListener {
      */
     public synchronized void cleanup() {
         for (final Enumeration<JarFile> e = jarFiles.elements(); e.hasMoreElements();) {
-            final JarFile jarFile = e.nextElement();
-            try {
-                jarFile.close();
-            } catch (final IOException ioe) {
-                // ignore
-            }
+            FileUtils.close(e.nextElement());
         }
         jarFiles = new Hashtable<File, JarFile>();
         if (project != null) {

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

@@ -23,6 +23,7 @@ import java.io.IOException;
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.ProjectComponent;
 import org.apache.tools.ant.Task;
+import org.apache.tools.ant.util.FileUtils;
 
 /**
  * Logs standard output and error of a subprocess to the log system of ant.
@@ -59,12 +60,7 @@ public class LogStreamHandler extends PumpStreamHandler {
      */
     public void stop() {
         super.stop();
-        try {
-            getErr().close();
-            getOut().close();
-        } catch (IOException e) {
-            // plain impossible
-            throw new BuildException(e);
-        }
+        FileUtils.close(getErr());
+        FileUtils.close(getOut());
     }
 }

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

@@ -692,19 +692,11 @@ public class SQLExec extends JDBCTask {
                 }
             } finally {
                 try {
-                    if (getStatement() != null) {
-                        getStatement().close();
-                    }
-                } catch (SQLException ex) {
-                    // ignore
-                }
-                try {
-                    if (getConnection() != null) {
-                        getConnection().close();
-                    }
+                    FileUtils.close(getStatement());
                 } catch (SQLException ex) {
                     // ignore
                 }
+                FileUtils.close(getConnection());
             }
 
             log(goodSql + " of " + totalSql + " SQL statements executed successfully");

src/main/org/apache/tools/ant/taskdefs/condition/Socket.java

@@ -23,6 +23,7 @@ import java.io.IOException;
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Project;
 import org.apache.tools.ant.ProjectComponent;
+import org.apache.tools.ant.util.FileUtils;
 
 /**
  * Condition to wait for a TCP/IP socket to have a listener. Its attributes are:
@@ -73,13 +74,7 @@ public class Socket extends ProjectComponent implements Condition {
         } catch (IOException e) {
             return false;
         } finally {
-          if (s != null) {
-            try {
-              s.close();
-            } catch (IOException ioe) {
-              // Intentionally left blank
-            }
-          }
+            FileUtils.close(s);
         }
         return true;
     }

src/main/org/apache/tools/ant/taskdefs/cvslib/RedirectingStreamHandler.java

@@ -22,6 +22,7 @@ import java.io.IOException;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.taskdefs.PumpStreamHandler;
+import org.apache.tools.ant.util.FileUtils;
 
 /**
  * A dummy stream handler that just passes stuff to the parser.
@@ -49,13 +50,8 @@ class RedirectingStreamHandler
 
     public void stop() {
         super.stop();
-        try {
-            getErr().close();
-            getOut().close();
-        } catch (final IOException e) {
-            // plain impossible
-            throw new BuildException(e);
-        }
+        FileUtils.close(getErr());
+        FileUtils.close(getOut());
     }
 }
 

src/main/org/apache/tools/ant/util/depend/AbstractAnalyzer.java

@@ -267,16 +267,10 @@ public abstract class AbstractAnalyzer implements DependencyAnalyzer {
                 }
             } else {
                 // must be a zip of some sort
-                ZipFile zipFile = null;
-                try {
-                    zipFile = new ZipFile(element);
+                try (ZipFile zipFile = new ZipFile(element)) {
                     if (zipFile.getEntry(resourceLocation) != null) {
                         return element;
                     }
-                } finally {
-                    if (zipFile != null) {
-                        zipFile.close();
-                    }
                 }
             }
         }