From: adam <adam@megacz.com>
Date: Wed, 28 Feb 2007 06:49:02 +0000 (+0000)
Subject: improve exception handling
X-Git-Url: http://git.megacz.com/?p=org.ibex.io.git;a=commitdiff_plain;h=5f7d531015927476bffd668f0a28960a60399093

improve exception handling

darcs-hash:20070228064902-5007d-441df656d77baa5eb850c8c2d3442f43f7b1b2de.gz
---

diff --git a/src/org/ibex/io/Connection.java b/src/org/ibex/io/Connection.java
index 5c8c0fd..1ab0abe 100644
--- a/src/org/ibex/io/Connection.java
+++ b/src/org/ibex/io/Connection.java
@@ -15,13 +15,17 @@ public class Connection extends Stream {
     public Connection(Socket s, String vhost) { super(s); this.vhost = vhost; this.s = s; }
     protected Connection(InputStream i, OutputStream o) { super(i, o); vhost = null; s = null; }
     public Socket getSocket() { return s; }
-    public void close()                       { try{if (s!=null) s.close();}catch(Exception e){throw new Stream.StreamException(e);} super.close(); }
+
     public int getLocalPort()                 { return s.getLocalPort(); }
     public InetAddress getLocalAddress()      { return ((InetSocketAddress)s.getLocalSocketAddress()).getAddress(); }
     public int getRemotePort()                { return s.getPort(); }
     public InetAddress getRemoteAddress()     { return ((InetSocketAddress)s.getRemoteSocketAddress()).getAddress(); }
     public String getRemoteHostname()         { return getRemoteAddress().getHostName(); }
     public String getVirtualHost()            { return vhost; }
-    public void setTimeout(int ms)            { try { s.setSoTimeout(ms); } catch (Exception e){throw new Stream.StreamException(e); }}
-    public void setTcpNoDelay(boolean delay)  { try { s.setTcpNoDelay(delay);}catch(Exception e){throw new Stream.StreamException(e); }}
+    public void setTimeout(int ms)            { try { s.setSoTimeout(ms);     } catch(IOException e) { ioe(e); } }
+    public void setTcpNoDelay(boolean delay)  { try { s.setTcpNoDelay(delay); } catch(IOException e) { ioe(e); } }
+
+    /** never throws an exception */
+    public void close()                       { try{if (s!=null) s.close();}catch(Exception e){/*ignore*/} super.close(); }
 }
+
diff --git a/src/org/ibex/io/Stream.java b/src/org/ibex/io/Stream.java
index 0d6c169..8bfa8bc 100644
--- a/src/org/ibex/io/Stream.java
+++ b/src/org/ibex/io/Stream.java
@@ -25,7 +25,8 @@ public class Stream {
         return this;
     }
 
-    public static boolean loggingEnabled = "true".equals(System.getProperty("ibex.io.stream.logEnabled", "false"));
+    //public static boolean loggingEnabled = "true".equals(System.getProperty("ibex.io.stream.logEnabled", "false"));
+    public static boolean loggingEnabled = true;
 
     public void transcribe(Stream out) { transcribe(out, false); }
     public void transcribe(Stream out, boolean close) {
@@ -37,7 +38,7 @@ public class Stream {
                 out.out.write(buf, 0, numread);
             }
 	    if (close) out.close();
-        } catch (IOException ioe) { throw new StreamException(ioe); }
+        } catch (IOException ioe) { ioe(ioe); }
     }
 
     public void transcribe(StringBuffer out) {
@@ -48,7 +49,7 @@ public class Stream {
                 if (numread==-1) return;
                 out.append(buf, 0, numread);
             }
-            //} catch (IOException ioe) { throw new StreamException(ioe); }
+            //} catch (IOException ioe) { ioe(ioe); }
     }
 
     public static int countLines(Stream s) {
@@ -63,15 +64,19 @@ public class Stream {
     public  Stream(InputStream in, OutputStream out) { this.in = new Stream.In(in); this.out = new Stream.Out(out); }
     public  Stream(String s)                         { this(new ByteArrayInputStream(s.getBytes())); }
     public  Stream(File f)                           {
-        try { this.in = new Stream.In(new FileInputStream(f)); } catch (IOException e) { throw new StreamException(e); }
+        try { this.in = new Stream.In(new FileInputStream(f)); } catch (IOException e) { ioe(e); throw new Error(); }
         this.out = null;
     }
     public  Stream(Socket s) {
-        try { this.in = new Stream.In(s.getInputStream());    } catch (IOException e) { throw new StreamException(e); }
-        try { this.out = new Stream.Out(s.getOutputStream()); } catch (IOException e) { throw new StreamException(e); }
+        try { this.in = new Stream.In(s.getInputStream());    } catch (IOException e) { ioe(e); throw new Error(); }
+        try { this.out = new Stream.Out(s.getOutputStream()); } catch (IOException e) { ioe(e); throw new Error(); }
     }
 
-    private static int ioe(Exception e) { throw new StreamException(e); }
+    static int ioe(IOException e) {
+        if (e instanceof SocketException && e.toString().indexOf("Connection reset")!=-1)
+            throw new Closed(e.getMessage());
+        throw new StreamException(e);
+    }
     public static class StreamException extends RuntimeException {
         public StreamException(Exception e) { super(e); }
         public StreamException(String s)    { super(s); }
@@ -164,6 +169,7 @@ public class Stream {
 
     public void   unread(String s)                 { in.unread(s); }
 
+    /** should not throw exceptions */
     public void   close()                          { try { if (in!=null) in.close(); } finally { if (out!=null) out.close(); } }
     public void   setNewline(String s)             { newLine = s; }