01: /*
02: * (c) Copyright 2007 by Volker Bergmann. All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, is permitted under the terms of the
06: * GNU General Public License.
07: *
08: * For redistributing this software or a derivative work under a license other
09: * than the GPL-compatible Free Software License as defined by the Free
10: * Software Foundation or approved by OSI, you must first obtain a commercial
11: * license to this software product from Volker Bergmann.
12: *
13: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
14: * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
15: * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
16: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
17: * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24: * POSSIBILITY OF SUCH DAMAGE.
25: */
26:
27: package org.databene.model.consumer;
28:
29: import org.apache.commons.logging.Log;
30: import org.apache.commons.logging.LogFactory;
31:
32: /**
33: * A {@link Consumer} that logs the entities that it receives at info level.<br/>
34: * <br/>
35: * Created: 26.08.2007 14:52:40
36: * @since 0.4.0
37: * @author Volker Bergmann
38: */
39: public class LoggingConsumer<E> extends AbstractConsumer<E> {
40:
41: private static final Log logger = LogFactory
42: .getLog(LoggingConsumer.class);
43:
44: public void startConsuming(E object) {
45: if (logger.isInfoEnabled())
46: logger.info("startConsuming(" + object + ")");
47: }
48:
49: public void finishConsuming(E object) {
50: if (logger.isInfoEnabled())
51: logger.info("finishConsuming(" + object + ")");
52: }
53:
54: public void flush() {
55: if (logger.isInfoEnabled())
56: logger.info("flush()");
57: }
58:
59: public void close() {
60: if (logger.isInfoEnabled())
61: logger.info("close()");
62: }
63: }
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