--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2010 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.databoard.util;\r
+\r
+import java.io.EOFException;\r
+import java.io.File;\r
+import java.io.IOException;\r
+import java.io.InputStream;\r
+import java.io.OutputStream;\r
+import java.nio.ByteBuffer;\r
+import java.nio.channels.Channels;\r
+import java.nio.channels.ReadableByteChannel;\r
+import java.nio.channels.WritableByteChannel;\r
+import java.nio.charset.Charset;\r
+\r
+import org.simantics.databoard.util.binary.BinaryFile;\r
+import org.simantics.databoard.util.binary.BinaryMemory;\r
+\r
+public class StreamUtil {\r
+\r
+ public static String readString(InputStream is, Charset cs) throws IOException \r
+ {\r
+ byte[] data = readFully(is);\r
+ return new String(data, cs);\r
+ }\r
+\r
+ public static String readString(File file, Charset cs) throws IOException \r
+ {\r
+ byte[] data = readFully(file);\r
+ return new String(data, cs);\r
+ }\r
+ \r
+ public static byte[] readFully(InputStream is) throws IOException \r
+ {\r
+ BinaryMemory mem = new BinaryMemory( 0 );\r
+ mem.put(is);\r
+ byte[] result = new byte[ (int) mem.length() ];\r
+ mem.position(0L);\r
+ mem.readFully(result);\r
+ return result;\r
+ }\r
+ \r
+ public static byte[] readFully(File file) throws IOException \r
+ {\r
+ BinaryFile b = new BinaryFile(file);\r
+ try {\r
+ byte[] bytes = new byte[ (int) b.length() ];\r
+ b.readFully(bytes);\r
+ return bytes;\r
+ } finally {\r
+ b.close();\r
+ }\r
+ }\r
+ \r
+ \r
+ public static void read(InputStream is, ByteBuffer buf, int bytes)\r
+ throws IOException\r
+ {\r
+ while (bytes>0 & buf.hasRemaining()) {\r
+ int n = is.read(buf.array(), buf.position(), bytes);\r
+ if (n < 0) throw new EOFException();\r
+ buf.position( buf.position() + n );\r
+ bytes -= n;\r
+ }\r
+ }\r
+ \r
+ public static void readFully(InputStream is, ByteBuffer buf)\r
+ throws IOException\r
+ {\r
+ while (buf.hasRemaining()) { \r
+ int n = is.read(buf.array(), buf.position(), buf.remaining());\r
+ if (n < 0) throw new EOFException();\r
+ buf.position( buf.position() + n );\r
+ }\r
+ }\r
+ \r
+ public static void readFully(InputStream is, byte[] b)\r
+ throws IOException\r
+ {\r
+ readFully(is, b, 0, b.length); \r
+ }\r
+ \r
+ public static void readFully(InputStream is, byte[] b, int off, int len)\r
+ throws IOException\r
+ {\r
+ while (len > 0) {\r
+ int n = is.read(b, off, len);\r
+ if (n < 0) throw new EOFException();\r
+ off += n;\r
+ len -= n;\r
+ }\r
+ }\r
+ \r
+ public static void writeFully(byte[] data, File dst) throws IOException {\r
+ BinaryFile out = new BinaryFile(dst);\r
+ try {\r
+ out.write(data);\r
+ } finally {\r
+ out.flush();\r
+ out.close();\r
+ }\r
+ }\r
+ \r
+ public static void copyStream(InputStream is, OutputStream out)\r
+ throws IOException\r
+ {\r
+ ReadableByteChannel ic = Channels.newChannel(is);\r
+ WritableByteChannel oc = Channels.newChannel(out);\r
+ try { \r
+ ByteBuffer buffer = ByteBuffer.allocateDirect(16 * 1024);\r
+ while (ic.read(buffer) != -1) {\r
+ buffer.flip();\r
+ oc.write(buffer);\r
+ buffer.compact();\r
+ }\r
+ buffer.flip();\r
+ while (buffer.hasRemaining()) {\r
+ oc.write(buffer);\r
+ }\r
+ } finally {\r
+// ic.close();\r
+// oc.close();\r
+ }\r
+ } \r
+ \r
+}
\ No newline at end of file