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Java > Open Source Codes > org > jboss > resource > adapter > jdbc > remote > StatementInterceptor


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.resource.adapter.jdbc.remote;
23
24 import org.jboss.invocation.Invocation;
25 import org.jboss.proxy.Interceptor;
26
27 import java.io.InputStream JavaDoc;
28 import java.io.Reader JavaDoc;
29 import java.lang.reflect.Method JavaDoc;
30
31 /**
32  * @author <a HREF="mailto:telrod@e2technologies.net">Tom Elrod</a>
33  * @version $Revision: 38332 $
34  */
35 public class StatementInterceptor extends Interceptor
36 {
37    static final long serialVersionUID = -8069364664602119774L;
38
39    public Object JavaDoc invoke(Invocation mi) throws Throwable JavaDoc
40    {
41       Method JavaDoc m = mi.getMethod();
42       String JavaDoc methodName = m.getName();
43
44       if (methodName.equals("setAsciiStream") ||
45             methodName.equals("setBinaryStream"))
46       {
47          Object JavaDoc[] args = mi.getArguments();
48          InputStream JavaDoc ins = (InputStream JavaDoc) args[1];
49          args[1] = new SerializableInputStream(ins);
50       }
51       else if (methodName.equals("setCharacterStream"))
52       {
53          Object JavaDoc[] args = mi.getArguments();
54          Reader JavaDoc rdr = (Reader JavaDoc) args[1];
55          args[1] = new SerializableReader(rdr);
56       }
57
58       return getNext().invoke(mi);
59    }
60 }
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