enhance GetterMatcher to match boolean getter 'isSomething'

src/main/java/net/vidageek/mirror/matcher/GetterMatcher.java

@@ -7,7 +7,8 @@
 final public class GetterMatcher implements Matcher<Method> {
 
 	public boolean accepts(final Method element) {
-		return element.getName().startsWith("get") && (element.getParameterTypes().length == 0)
-				&& (!element.getReturnType().equals(void.class));
+		return (element.getParameterTypes().length == 0) && (!element.getReturnType().equals(void.class))
+				&& (element.getName().startsWith("get")
+						|| (element.getName().startsWith("is") && element.getReturnType() == boolean.class));
 	}
 }

src/test/java/net/vidageek/mirror/matcher/GetterMatcherTest.java

@@ -0,0 +1,81 @@
+package net.vidageek.mirror.matcher;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.lang.reflect.Method;
+
+import org.junit.Test;
+
+public class GetterMatcherTest {
+
+	@Test
+	public void testGetter() throws Exception {
+		Method method = Bean.class.getMethod("isValid");
+		assertTrue(new GetterMatcher().accepts(method));
+		method = Bean.class.getMethod("getSomeFlag");
+		assertTrue(new GetterMatcher().accepts(method));
+		method = Bean.class.getMethod("getName");
+		assertTrue(new GetterMatcher().accepts(method));
+	}
+
+	@Test
+	public void testNotGetter() throws Exception {
+		Method method = Bean.class.getMethod("getSomething");
+		assertFalse(new GetterMatcher().accepts(method));
+		method = Bean.class.getMethod("getSomeOther", String.class);
+		assertFalse(new GetterMatcher().accepts(method));
+		method = Bean.class.getMethod("getSomeStrange", String.class);
+		assertFalse(new GetterMatcher().accepts(method));
+		method = Bean.class.getMethod("setValid", boolean.class);
+		assertFalse(new GetterMatcher().accepts(method));
+		method = Bean.class.getMethod("isSomeOtherFlag");
+		assertFalse(new GetterMatcher().accepts(method));
+	}
+
+	private static class Bean {
+		private boolean valid;
+		private Boolean someFlag;
+		private String name;
+
+		public Boolean isSomeOtherFlag() {
+			return someFlag;
+		}
+
+		public boolean isValid() {
+			return valid;
+		}
+
+		public void setValid(boolean valid) {
+			this.valid = valid;
+		}
+
+		public Boolean getSomeFlag() {
+			return someFlag;
+		}
+
+		public void setSomeFlag(Boolean someFlag) {
+			this.someFlag = someFlag;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
+		public void getSomething() {
+		}
+
+		public String getSomeOther(String thing) {
+			return thing;
+		}
+
+		public void getSomeStrange(String x) {
+
+		}
+
+	}
+}