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Posted to commits@camel.apache.org by da...@apache.org on 2009/09/23 10:41:36 UTC

svn commit: r818006 - in /camel/trunk/components/camel-spring/src: main/java/org/apache/camel/spring/util/MainRunner.java test/java/org/apache/camel/spring/util/ test/java/org/apache/camel/spring/util/MainRunnerTest.java

Author: davsclaus
Date: Wed Sep 23 08:41:36 2009
New Revision: 818006

URL: http://svn.apache.org/viewvc?rev=818006&view=rev
Log:
MR-188: Restored MainRunner as it was used by an example.

Added:
    camel/trunk/components/camel-spring/src/main/java/org/apache/camel/spring/util/MainRunner.java   (with props)
    camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/util/
    camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/util/MainRunnerTest.java   (with props)

Added: camel/trunk/components/camel-spring/src/main/java/org/apache/camel/spring/util/MainRunner.java
URL: http://svn.apache.org/viewvc/camel/trunk/components/camel-spring/src/main/java/org/apache/camel/spring/util/MainRunner.java?rev=818006&view=auto
==============================================================================
--- camel/trunk/components/camel-spring/src/main/java/org/apache/camel/spring/util/MainRunner.java (added)
+++ camel/trunk/components/camel-spring/src/main/java/org/apache/camel/spring/util/MainRunner.java Wed Sep 23 08:41:36 2009
@@ -0,0 +1,122 @@
+/**
+ * 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.camel.spring.util;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.Arrays;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import org.springframework.beans.factory.InitializingBean;
+
+import static org.apache.camel.util.ObjectHelper.name;
+
+/**
+ * A simple helper bean for running main classes from within the spring.xml
+ * usually asynchronous in a background thread; which is useful for demos such
+ * as running Swing programs in the same JVM.
+ *
+ * @version $Revision$
+ */
+public class MainRunner implements InitializingBean, Runnable {
+    private static final Log LOG = LogFactory.getLog(MainRunner.class);
+
+    private Class main;
+    private String[] args = {};
+    private boolean asyncRun = true;
+    private long delay;
+
+    public String toString() {
+        return "MainRunner(" + name(main) + " " + Arrays.asList(getArgs()) + ")";
+    }
+
+    public void run() {
+        try {
+            runMethodWithoutCatchingExceptions();
+        } catch (NoSuchMethodException e) {
+            LOG.error("Class: " + name(main) + " does not have a main method: " + e, e);
+        } catch (IllegalAccessException e) {
+            LOG.error("Failed to run: " + this + ". Reason: " + e, e);
+        } catch (InvocationTargetException e) {
+            Throwable throwable = e.getTargetException();
+            LOG.error("Failed to run: " + this + ". Reason: " + throwable, throwable);
+        }
+    }
+
+    public void runMethodWithoutCatchingExceptions() throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
+        if (delay > 0) {
+            try {
+                Thread.sleep(delay);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+            }
+        }
+        Method method = main.getMethod("main", String[].class);
+        if (!Modifier.isStatic(method.getModifiers())) {
+            throw new IllegalArgumentException("The main method is not static!: " + method);
+        }
+        Object[] arguments = {getArgs()};
+        method.invoke(null, arguments);
+    }
+
+    public String[] getArgs() {
+        return args;
+    }
+
+    public void setArgs(String[] args) {
+        this.args = args;
+    }
+
+    public boolean isAsyncRun() {
+        return asyncRun;
+    }
+
+    public void setAsyncRun(boolean asyncRun) {
+        this.asyncRun = asyncRun;
+    }
+
+    public Class getMain() {
+        return main;
+    }
+
+    public void setMain(Class main) {
+        this.main = main;
+    }
+
+    public long getDelay() {
+        return delay;
+    }
+
+    public void setDelay(long delay) {
+        this.delay = delay;
+    }
+
+    public void afterPropertiesSet() throws Exception {
+        if (main == null) {
+            throw new IllegalArgumentException("You must specify a main class!");
+        }
+        if (isAsyncRun()) {
+            Thread thread = new Thread(this, "Thread for: " + this);
+            thread.start();
+        } else {
+            runMethodWithoutCatchingExceptions();
+        }
+    }
+}

Propchange: camel/trunk/components/camel-spring/src/main/java/org/apache/camel/spring/util/MainRunner.java
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Added: camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/util/MainRunnerTest.java
URL: http://svn.apache.org/viewvc/camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/util/MainRunnerTest.java?rev=818006&view=auto
==============================================================================
--- camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/util/MainRunnerTest.java (added)
+++ camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/util/MainRunnerTest.java Wed Sep 23 08:41:36 2009
@@ -0,0 +1,40 @@
+/**
+ * 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.camel.spring.util;
+
+import org.apache.camel.TestSupport;
+
+/**
+ * @version $Revision$
+ */
+public class MainRunnerTest extends TestSupport {
+
+    public void testMainRunner() throws Exception {
+        MainRunner runner = new MainRunner();
+        runner.setDelay(10);
+        runner.setArgs(new String[]{"Hello", "World"});
+        runner.setMain(MainRunnerTest.class);
+        runner.afterPropertiesSet();
+        runner.run();
+    }
+
+    public static void main(String[] args) {
+        assertEquals("Hello", args[0]);
+        assertEquals("World", args[1]);
+    }
+
+}

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