Introduce Keyring

[lgpl/argeo-commons.git] / basic / runtime / org.argeo.basic.nodeps / src / main / java / org / argeo / StreamUtils.java

diff --git a/basic/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/StreamUtils.java b/basic/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/StreamUtils.java
index 10af68fa42f0862e72f477c18035b9af37eb55d2..d2ccdb737af9e2bad7e00907bd871f118e7a9449 100644 (file)
--- a/basic/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/StreamUtils.java
+++ b/basic/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/StreamUtils.java
@@ -3,19 +3,40 @@ package org.argeo;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.io.Reader;
+import java.io.Writer;
 
 /** Utilities to be used when APache COmmons IO is not available. */
 public class StreamUtils {
+       private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;
 
-       public static void copy(InputStream in, OutputStream out)
+       /** @return the number of bytes */
+       public static Long copy(InputStream in, OutputStream out)
                        throws IOException {
-               byte[] buf = new byte[8192];
+               Long count = 0l;
+               byte[] buf = new byte[DEFAULT_BUFFER_SIZE];
                while (true) {
                        int length = in.read(buf);
                        if (length < 0)
                                break;
                        out.write(buf, 0, length);
+                       count = count + length;
                }
+               return count;
+       }
+
+       /** @return the number of chars */
+       public static Long copy(Reader in, Writer out) throws IOException {
+               Long count = 0l;
+               char[] buf = new char[DEFAULT_BUFFER_SIZE];
+               while (true) {
+                       int length = in.read(buf);
+                       if (length < 0)
+                               break;
+                       out.write(buf, 0, length);
+                       count = count + length;
+               }
+               return count;
        }
 
        public static void closeQuietly(InputStream in) {
@@ -36,6 +57,24 @@ public class StreamUtils {
                        }
        }
 
+       public static void closeQuietly(Reader in) {
+               if (in != null)
+                       try {
+                               in.close();
+                       } catch (Exception e) {
+                               //
+                       }
+       }
+
+       public static void closeQuietly(Writer out) {
+               if (out != null)
+                       try {
+                               out.close();
+                       } catch (Exception e) {
+                               //
+                       }
+       }
+
        private StreamUtils() {
 
        }