From 4e12d1df5daab1f7600fa3a58e6fc535375224ff Mon Sep 17 00:00:00 2001
From: pdanner <pdanner@d688527b-c9ab-4aba-bd8d-4036d912da1d>
Date: Mon, 10 Sep 2007 15:16:34 +0000
Subject: moved test classes, cashing of resolved entities

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@1002 d688527b-c9ab-4aba-bd8d-4036d912da1d
---
 .../at/gv/egovernment/moa/util/StreamUtils.java    | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)

(limited to 'common/src/main')

diff --git a/common/src/main/java/at/gv/egovernment/moa/util/StreamUtils.java b/common/src/main/java/at/gv/egovernment/moa/util/StreamUtils.java
index a22f1c2a8..3b1a6b56b 100644
--- a/common/src/main/java/at/gv/egovernment/moa/util/StreamUtils.java
+++ b/common/src/main/java/at/gv/egovernment/moa/util/StreamUtils.java
@@ -3,6 +3,7 @@ package at.gv.egovernment.moa.util;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
 import java.io.PrintStream;
 
 /**
@@ -88,10 +89,17 @@ public class StreamUtils {
    * @throws IOException on any exception thrown
    */
   public static byte[] readStream(InputStream in) throws IOException {
+
+    ByteArrayOutputStream out = new ByteArrayOutputStream();
+    copyStream(in, out, null);
+		  
+		/*  
     ByteArrayOutputStream out = new ByteArrayOutputStream();
     int b;
     while ((b = in.read()) >= 0)
       out.write(b);
+    
+    */
     in.close();
     return out.toByteArray();
   }
@@ -106,14 +114,51 @@ public class StreamUtils {
    * @throws IOException on any exception thrown
    */
   public static String readStream(InputStream in, String encoding) throws IOException {
+    ByteArrayOutputStream out = new ByteArrayOutputStream();
+    copyStream(in, out, null);
+
+    /*
     ByteArrayOutputStream out = new ByteArrayOutputStream();
     int b;
     while ((b = in.read()) >= 0)
       out.write(b);
+      */
     in.close();
     return out.toString(encoding);
   }
   
+  /**
+   * Reads all data (until EOF is reached) from the given source to the 
+   * destination stream. If the destination stream is null, all data is dropped.
+   * It uses the given buffer to read data and forward it. If the buffer is 
+   * null, this method allocates a buffer.
+   *
+   * @param source The stream providing the data.
+   * @param destination The stream that takes the data. If this is null, all
+   *                    data from source will be read and discarded.
+   * @param buffer The buffer to use for forwarding. If it is null, the method
+   *               allocates a buffer.
+   * @exception IOException If reading from the source or writing to the 
+   *                        destination fails.
+   */
+  private static void copyStream(InputStream source, OutputStream destination, byte[] buffer) throws IOException {
+    if (source == null) {
+      throw new NullPointerException("Argument \"source\" must not be null.");
+    }
+    if (buffer == null) {
+      buffer = new byte[8192];
+    }
+    
+    if (destination != null) {
+      int bytesRead;
+      while ((bytesRead = source.read(buffer)) >= 0) {
+        destination.write(buffer, 0, bytesRead);
+      }
+    } else {
+      while (source.read(buffer) >= 0);
+    }    
+  }
+  
   /**
    * Gets the stack trace of the <code>Throwable</code> passed in as a string.
    * @param t The <code>Throwable</code>.
-- 
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