renamed logger to listener

[xmlrouter] / listener / src / main / java / org / wamblee / xmlrouter / listener / LoggingEventListener.java

diff --git a/listener/src/main/java/org/wamblee/xmlrouter/listener/LoggingEventListener.java b/listener/src/main/java/org/wamblee/xmlrouter/listener/LoggingEventListener.java
new file mode 100644 (file)
index 0000000..f623b13
--- /dev/null
+++ b/listener/src/main/java/org/wamblee/xmlrouter/listener/LoggingEventListener.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2005-2011 the original author or authors.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.wamblee.xmlrouter.listener;
+
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.print.attribute.standard.Destination;
+import javax.xml.transform.dom.DOMSource;
+
+import org.wamblee.xml.XMLDocument;
+import org.wamblee.xmlrouter.common.Id;
+import org.wamblee.xmlrouter.config.Transformation;
+
+/**
+ * Event logger that simply logs to java.util logging.
+ * 
+ * @author Erik Brakkee
+ * 
+ */
+public class LoggingEventListener implements EventListener {
+    private static final Logger LOGGER = Logger
+        .getLogger(LoggingEventListener.class.getName());
+
+    private Level level;
+
+    public LoggingEventListener(Level aLevel) {
+        level = aLevel;
+    }
+
+    @Override
+    public void delivered(String aDocType, Id<DOMSource> aEventId,
+        DOMSource aEvent, List<Transformation> aSequence,
+        Id<Destination> aDestination, String aDestinationName,
+        boolean aSuccessFlag) {
+        if (LOGGER.isLoggable(level)) {
+            LOGGER.log(level, "event delivered: document type '" + aDocType +
+                "', eventId " + aEventId + ", event '" +
+                new XMLDocument(aEvent).print(true) + "', sequence '" +
+                getSequenceString(aSequence) + "', destionationId " +
+                aDestination + ", destinationName '" + aDestinationName + "'");
+        }
+    }
+
+    private String getSequenceString(List<Transformation> aSequence) {
+        StringBuffer buf = new StringBuffer();
+        for (Transformation transformation : aSequence) {
+            buf.append(transformation.getName());
+            buf.append("(");
+            buf.append(transformation.getFromType());
+            buf.append("->");
+            buf.append(transformation.getToType());
+            buf.append(")");
+        }
+        return buf.toString();
+    }
+
+    @Override
+    public void notDelivered(String aDocumentType, Id<DOMSource> aEventId,
+        DOMSource aEvent) {
+        if (LOGGER.isLoggable(level)) {
+            LOGGER.log(level, "event not delivered: document type '" +
+                aDocumentType + "', eventId " + aEventId + ", event '" +
+                new XMLDocument(aEvent).print(true) + "'");
+        }
+    }
+}