[MOBY-guts] biomoby commit

[Eddie Kawas]

kawas
Thu Feb 28 11:59:47 EST 2008
Update of /home/repository/moby/moby-live/Java/src/main/org/biomoby/shared
In directory dev.open-bio.org:/tmp/cvs-serv22409/Java/src/main/org/biomoby/shared

Modified Files:
	Utils.java 
Log Message:
added method getInputStream(URL) that returns an input stream that could be from a gzipped source
moby-live/Java/src/main/org/biomoby/shared Utils.java,1.18,1.19
===================================================================
RCS file: /home/repository/moby/moby-live/Java/src/main/org/biomoby/shared/Utils.java,v
retrieving revision 1.18
retrieving revision 1.19
diff -u -r1.18 -r1.19
--- /home/repository/moby/moby-live/Java/src/main/org/biomoby/shared/Utils.java	2008/02/22 09:37:39	1.18
+++ /home/repository/moby/moby-live/Java/src/main/org/biomoby/shared/Utils.java	2008/02/28 16:59:47	1.19
@@ -7,28 +7,24 @@
 
 package org.biomoby.shared;
 
-import org.biomoby.shared.parser.MobyTags;
-
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.io.IOUtils;
-
-import java.util.HashSet;
-import java.io.PrintWriter;
+import java.io.BufferedReader;
 import java.io.BufferedWriter;
-import java.io.FileWriter;
 import java.io.File;
-import java.io.FileInputStream;
+import java.io.FileWriter;
 import java.io.IOException;
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
 import java.io.InputStream;
-import java.io.OutputStreamWriter;
-import java.io.ByteArrayOutputStream;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
 import java.io.StringWriter;
-import java.net.URL;
+import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
-import java.nio.CharBuffer;
+import java.net.URL;
 import java.nio.charset.Charset;
+import java.util.HashSet;
+import java.util.zip.GZIPInputStream;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.IOUtils;
 
 /**
  * This is a set of several utility methods which may be useful for
@@ -525,4 +521,34 @@
         javaReserved.add ("volatile");
         javaReserved.add ("while");
     }
+    
+    /***************************************************************************
+     * Gets an InputStream on a URL 
+     ***************************************************************************/
+    public static InputStream getInputStream(URL url) throws MobyException {
+	if (url == null)
+	    throw new MobyException("Can't get RESOURCE from a null URL!");
+	try {
+	    HttpURLConnection urlConnection = null;
+	    urlConnection = (HttpURLConnection) url.openConnection();
+	    urlConnection
+		    .setRequestProperty("User-Agent", "jmoby-central/1.0");
+	    urlConnection
+		    .setRequestProperty("Accept-Encoding", "gzip, deflate");
+	    urlConnection.setDefaultUseCaches(false);
+	    urlConnection.setUseCaches(false);
+
+	    if (("gzip").equalsIgnoreCase(urlConnection.getContentEncoding())) {
+		// handle gzip encoded content
+		return new GZIPInputStream(urlConnection.getInputStream());
+	    } else {
+		return urlConnection.getInputStream();
+	    }
+	    
+	} catch (IOException e) {
+	    throw new MobyException("Error creating input stream:", e
+		    .getCause());
+	}
+    }
+    
 }