Changeset 4087 in josm for trunk/src/org/openstreetmap/josm/tools

Timestamp:

2011-05-15T23:51:25+02:00 (13 years ago)

Author:

bastiK

Message:

PaintVisitor refactoring, includes hook for external MapRenderers (author: Gubaer)

File:

• trunk/src/org/openstreetmap/josm/tools/Utils.java (modified) (2 diffs)

trunk/src/org/openstreetmap/josm/tools/Utils.java

@@ -7 +7 @@
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.io.Reader;
 import java.text.MessageFormat;
 import java.util.Collection;
@@ -202 +203 @@
         return( path.delete() );
     }
+
+    /**
+     * <p>Utility method for closing an input stream.</p>
+     * 
+     * @param is the input stream. May be null.
+     */
+    public static void close(InputStream is){
+        if (is == null) return;
+        try {
+            is.close();
+        } catch(IOException e){
+            // ignore
+        }
+    }
+
+    /**
+     * <p>Utility method for closing an output stream.</p>
+     * 
+     * @param os the output stream. May be null.
+     */
+    public static void close(OutputStream os){
+        if (os == null) return;
+        try {
+            os.close();
+        } catch(IOException e){
+            // ignore
+        }
+    }
+
+    /**
+     * <p>Utility method for closing a reader.</p>
+     * 
+     * @param reader the reader. May be null.
+     */
+    public static void close(Reader reader){
+        if (reader == null) return;
+        try {
+            reader.close();
+        } catch(IOException e){
+            // ignore
+        }
+    }
 }