creating SeleniumDslMatcher for hamcrest based matching

src/main/java/br/com/caelum/seleniumdsl/hamcrest/SeleniumDslMatchers.java

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+package br.com.caelum.seleniumdsl.hamcrest;
+
+import org.hamcrest.Matcher;
+
+import br.com.caelum.seleniumdsl.ContentTag;
+
+public class SeleniumDslMatchers {
+	private SeleniumDslMatchers() {}
+
+	public static <T extends ContentTag> Matcher<T> divExists() {
+		return DivExistsMatcher.<T>divExists();
+	}
+
+	public static <T extends ContentTag> Matcher<T> divContains(String text) {
+		return DivContainsMatcher.<T>divContains(text);
+	}
+}

src/test/java/br/com/caelum/seleniumdsl/hamcrest/DivContainsMatcher.java

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+package br.com.caelum.seleniumdsl.hamcrest;
+
+import org.hamcrest.Description;
+import org.hamcrest.Factory;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+
+import br.com.caelum.seleniumdsl.ContentTag;
+
+public class DivContainsMatcher<T extends ContentTag> extends TypeSafeMatcher<T> {
+	private final String text;
+
+	public DivContainsMatcher(String text) {
+		this.text = text;
+	}
+	@Override
+	public boolean matchesSafely(ContentTag item) {
+		return item.contains(text);
+	}
+
+	public void describeTo(Description description) {
+		description.appendText("a div containing " + text);
+	}
+
+	@Factory
+    public static <T extends ContentTag> Matcher<T> divContains(String text) {
+        return new DivContainsMatcher<T>(text);
+    }
+}

src/test/java/br/com/caelum/seleniumdsl/hamcrest/DivExistsMatcher.java

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+package br.com.caelum.seleniumdsl.hamcrest;
+
+import org.hamcrest.Description;
+import org.hamcrest.Factory;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+
+import br.com.caelum.seleniumdsl.ContentTag;
+
+public class DivExistsMatcher<T extends ContentTag> extends TypeSafeMatcher<T> {
+	@Override
+	public boolean matchesSafely(ContentTag item) {
+		return item.exists();
+	}
+
+	public void describeTo(Description description) {
+		description.appendText("a div that exists");
+	}
+
+	@Factory
+    public static <T extends ContentTag> Matcher<T> divExists() {
+        return new DivExistsMatcher<T>();
+    }
+}

src/test/java/br/com/caelum/seleniumdsl/hamcrest/SeleniumDslMatchersTest.java

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+package br.com.caelum.seleniumdsl.hamcrest;
+
+import static br.com.caelum.seleniumdsl.hamcrest.SeleniumDslMatchers.divContains;
+import static br.com.caelum.seleniumdsl.hamcrest.SeleniumDslMatchers.divExists;
+import static org.junit.Assert.assertThat;
+import br.com.caelum.seleniumdsl.ContentTag;
+public class SeleniumDslMatchersTest {
+
+	public void testingCompilationOfContentTagMatchers() {
+		ContentTag tag = null;
+		assertThat(tag, divExists());
+		assertThat(tag, divContains("Anything"));
+	}
+}