Author: rmannibucau
Date: Sun Nov 13 19:45:06 2016
New Revision: 1769542
URL: http://svn.apache.org/viewvc?rev=1769542&view=rev
Log:
ability to bind config from the properties of the container, next step will
likely be to have dynamic @CliOption
Modified:
openwebbeans/meecrowave/trunk/meecrowave-core/src/main/java/org/apache/meecrowave/Meecrowave.java
openwebbeans/meecrowave/trunk/meecrowave-core/src/test/java/org/apache/meecrowave/MeecrowaveTest.java
Modified:
openwebbeans/meecrowave/trunk/meecrowave-core/src/main/java/org/apache/meecrowave/Meecrowave.java
URL:
http://svn.apache.org/viewvc/openwebbeans/meecrowave/trunk/meecrowave-core/src/main/java/org/apache/meecrowave/Meecrowave.java?rev=1769542&r1=1769541&r2=1769542&view=diff
==============================================================================
---
openwebbeans/meecrowave/trunk/meecrowave-core/src/main/java/org/apache/meecrowave/Meecrowave.java
(original)
+++
openwebbeans/meecrowave/trunk/meecrowave-core/src/main/java/org/apache/meecrowave/Meecrowave.java
Sun Nov 13 19:45:06 2016
@@ -86,6 +86,8 @@ import java.util.TreeMap;
import java.util.function.Consumer;
import java.util.stream.Stream;
+import static java.beans.Introspector.decapitalize;
+import static java.lang.Character.toUpperCase;
import static java.util.Collections.emptyList;
import static java.util.Collections.emptySet;
import static java.util.Optional.ofNullable;
@@ -1545,6 +1547,60 @@ public class Meecrowave implements AutoC
}
}
}
+
+ public <T> T bind(final T instance, final String prefix) {
+
ofNullable(properties.stringPropertyNames()).orElse(emptySet()).stream()
+ .filter(p -> p.startsWith(prefix))
+ .forEach(p -> {
+ final String value = properties.getProperty(p);
+
+ // convert iphen case to camel case (a-simple-sample
becomes aSimpleSample)
+ final int startIdx = prefix.length();
+ final StringBuilder nameBuilder = new
StringBuilder(p.length() /*ok this is wrong but allocates something big
enough*/);
+ nameBuilder.append(decapitalize(p.substring(startIdx,
startIdx + 1)));
+ boolean uppercase = false;
+ for (int i = 1; i < p.length() - prefix.length(); i++)
{
+ final char c = p.charAt(startIdx + i);
+ if (c == '-') {
+ uppercase = true;
+ } else if (uppercase) {
+ nameBuilder.append(toUpperCase(c));
+ uppercase = false;
+ } else {
+ nameBuilder.append(c);
+ }
+ }
+
+ final String name = nameBuilder.toString();
+ Class<?> current = instance.getClass();
+ do {
+ try {
+ final Field f =
instance.getClass().getDeclaredField(name);
+ if (!f.isAccessible()) {
+ f.setAccessible(true);
+ }
+ final Class<?> type = f.getType();
+ if (type == String.class) {
+ f.set(instance, value);
+ } else if (type == int.class) {
+ f.set(instance, Integer.parseInt(value));
+ } else if (type == boolean.class) {
+ f.set(instance,
Boolean.parseBoolean(value));
+ } else {
+ throw new
IllegalArgumentException("Unsupported type " + type);
+ }
+ return;
+ } catch (final NoSuchFieldException e) {
+ // continue
+ } catch (final IllegalAccessException e) {
+ new
LogFacade(Meecrowave.class.getName()).warn("Can't set " + value + " to " + name
+ " on " + instance);
+ }
+ current = current.getSuperclass();
+ } while (current != Object.class && current != null);
+ throw new IllegalArgumentException("Didn't find " +
name + " on " + instance);
+ });
+ return instance;
+ }
}
public static class LoginConfigBuilder {
Modified:
openwebbeans/meecrowave/trunk/meecrowave-core/src/test/java/org/apache/meecrowave/MeecrowaveTest.java
URL:
http://svn.apache.org/viewvc/openwebbeans/meecrowave/trunk/meecrowave-core/src/test/java/org/apache/meecrowave/MeecrowaveTest.java?rev=1769542&r1=1769541&r2=1769542&view=diff
==============================================================================
---
openwebbeans/meecrowave/trunk/meecrowave-core/src/test/java/org/apache/meecrowave/MeecrowaveTest.java
(original)
+++
openwebbeans/meecrowave/trunk/meecrowave-core/src/test/java/org/apache/meecrowave/MeecrowaveTest.java
Sun Nov 13 19:45:06 2016
@@ -35,10 +35,29 @@ import java.net.URL;
import java.util.stream.Stream;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
public class MeecrowaveTest {
@Test
+ public void configBinding() {
+ final MyConfig config = new Meecrowave.Builder()
+ .property("my-prefix-port", "1234")
+ .property("my-prefix-another-port", "5678")
+ .property("my-prefix-a-last-port-value", "9632")
+ .property("my-prefix-passthrough", "any value")
+ .property("my-prefix-bool", "true")
+ .bind(new MyConfig(), "my-prefix-");
+ assertNotNull(config);
+ assertEquals(1234, config.port);
+ assertEquals(5678, config.anotherPort);
+ assertEquals(9632, config.aLastPortValue);
+ assertEquals("any value", config.passthrough);
+ assertTrue(config.bool);
+ }
+
+ @Test
public void simpleWebapp() {
final File root = new File("target/MeecrowaveTest/simpleWebapp/app");
FileUtils.mkDir(root);
@@ -113,4 +132,12 @@ public class MeecrowaveTest {
}
return null;
}
+
+ public static class MyConfig {
+ private int port;
+ private int anotherPort;
+ private int aLastPortValue;
+ private String passthrough;
+ private boolean bool;
+ }
}
