1 files changed, 100 insertions, 0 deletions
diff --git a/trunk/qpid/java/plugins/src/main/java/org/apache/qpid/plugins/JythonMojo.java b/trunk/qpid/java/plugins/src/main/java/org/apache/qpid/plugins/JythonMojo.java
new file mode 100644
index 0000000000..85dffeb4bf
--- /dev/null
+++ b/trunk/qpid/java/plugins/src/main/java/org/apache/qpid/plugins/JythonMojo.java
@@ -0,0 +1,100 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.qpid.plugins;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+
+import org.python.util.jython;
+
+
+/**
+ * JythonMojo
+ *
+ * @author Rafael H. Schloming
+ *
+ * @goal jython
+ */
+
+public class JythonMojo extends AbstractMojo
+{
+
+    /**
+     * Arguments to jython.
+     *
+     * @parameter
+     */
+    private String[] params = new String[0];
+
+    /**
+     * Source file.
+     *
+     * @parameter
+     */
+    private File[] sources;
+
+    /**
+     * Optional timestamp.
+     *
+     * @parameter
+     */
+    private File timestamp;
+
+    public void execute() throws MojoExecutionException
+    {
+        boolean stale = true;
+
+        if (sources != null && sources.length > 0 && timestamp != null)
+        {
+            stale = false;
+            for (File source : sources)
+            {
+                if (source.lastModified() > timestamp.lastModified())
+                {
+                    stale = true;
+                    break;
+                }
+            }
+        }
+
+        if (stale)
+        {
+            jython.main(params);
+
+            if (timestamp != null)
+            {
+                try
+                {
+                    timestamp.createNewFile();
+                }
+                catch (IOException e)
+                {
+                    throw new MojoExecutionException("cannot create timestamp", e);
+                }
+                timestamp.setLastModified(System.currentTimeMillis());
+            }
+        }
+    }
+
+}