rename of Transformations to TransformationPaths

[xmlrouter] / impl / src / main / java / org / wamblee / xmlrouter / impl / RobustTransformation.java

diff --git a/impl/src/main/java/org/wamblee/xmlrouter/impl/RobustTransformation.java b/impl/src/main/java/org/wamblee/xmlrouter/impl/RobustTransformation.java
index fb028aed98100066fae78e4b885ce4a3b7313c84..81748e0f9c1c1c3274f1c7b4e6791c54e1b50578 100644 (file)
--- a/impl/src/main/java/org/wamblee/xmlrouter/impl/RobustTransformation.java
+++ b/impl/src/main/java/org/wamblee/xmlrouter/impl/RobustTransformation.java
@@ -1,3 +1,18 @@
+/*
+ * 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.impl;
 
 import java.util.logging.Level;
@@ -9,6 +24,12 @@ import org.wamblee.xml.XMLDocument;
 import org.wamblee.xmlrouter.common.Id;
 import org.wamblee.xmlrouter.config.Transformation;
 
+/**
+ * This class provides robustness towards externally provided transformations.
+ * 
+ * @author Erik Brakkee
+ * 
+ */
 public class RobustTransformation implements Transformation {
 
     private static final Logger LOGGER = Logger
@@ -17,12 +38,35 @@ public class RobustTransformation implements Transformation {
     private Id<Transformation> id;
     private Transformation transformation;
 
+    /**
+     * Constructs the wrapper.
+     * 
+     * @param aId
+     *            Unique id.
+     * @param aTransformation
+     *            Wrapped transformation.
+     */
     public RobustTransformation(Id<Transformation> aId,
         Transformation aTransformation) {
         id = aId;
         transformation = aTransformation;
     }
 
+    @Override
+    public String getName() {
+        try {
+            String name = transformation.getName();
+            if (name == null) {
+                logTypeReturnedNull("from");
+                return Constants.UNKNOWN_DOCUMENT_TYPE.toString();
+            }
+            return name;
+        } catch (Exception e) {
+            logNameThrewException(e);
+            return Constants.UNKNOWN_DOCUMENT_TYPE.toString();
+        }
+    }
+
     @Override
     public String getFromType() {
         try {
@@ -68,6 +112,12 @@ public class RobustTransformation implements Transformation {
         }
     }
 
+    private void logNameThrewException(Exception aE) {
+        LOGGER.log(Level.WARNING, "getName" +
+            " threw exception, returning default value " +
+            Constants.UNKNOWN_NAME, aE);
+    }
+
     private void logTypeThrewException(String aFromTo, Exception aE) {
         LOGGER.log(Level.WARNING, "get" + aFromTo +
             " threw exception, returning default value " +