X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FHttpUtils.java;h=97c84bc2f2275c60d02a7ab1a264077f00f9987e;hb=daa1765ab2101480a724b92a3f3e7dee662ba943;hp=991a20a1f23f387362b577667d82cbd461e2aca9;hpb=a875782b000ff363877677507b7512f8a6c70875;p=jalview.git

diff --git a/src/jalview/util/HttpUtils.java b/src/jalview/util/HttpUtils.java
index 991a20a..97c84bc 100644
--- a/src/jalview/util/HttpUtils.java
+++ b/src/jalview/util/HttpUtils.java
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*
  * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
  * Copyright (C) $$Year-Rel$$ The Jalview Authors
  * 
@@ -17,9 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
  * The Jalview Authors are detailed in the 'AUTHORS' file.
- ******************************************************************************/
+ */
 package jalview.util;
 
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
@@ -64,4 +67,46 @@ public class HttpUtils
     return false;
   }
 
+  /**
+   * download from given URL and return a pointer to temporary file
+   */
+  public static File fetchURLToTemp(String url) throws OutOfMemoryError,
+          IOException
+  {
+    long time = System.currentTimeMillis();
+    URL rcall = new URL(url);
+
+    InputStream is = new BufferedInputStream(rcall.openStream());
+    File outFile = null;
+    try
+    {
+      outFile = File.createTempFile("jalview", ".xml");
+      outFile.deleteOnExit();
+      if (outFile.length() == 0)
+      {
+        outFile.delete();
+        return null;
+      }
+    } catch (Exception ex)
+    {
+    }
+
+    if (outFile != null)
+    {
+      FileOutputStream fio = new FileOutputStream(outFile);
+      byte[] bb = new byte[32 * 1024];
+      int l;
+      while ((l = is.read(bb)) > 0)
+      {
+        fio.write(bb, 0, l);
+      }
+      fio.close();
+      is.close();
+      return outFile;
+    }
+    else
+    {
+      return null;
+    }
+  }
 }