Replaced Text

src/main/java/org/cactoos/text/ReplacedText.java

@@ -0,0 +1,48 @@
+package org.cactoos.text;
+
+import org.cactoos.Text;
+
+import java.io.IOException;
+
+/**
+ * Replace the Text.
+ *
+ * @author Mehmet Yildirim (memoyil@gmail.com)
+ * @version $Id$
+ * @since 0.1
+ */
+public class ReplacedText implements Text {
+
+    /**
+     * The text.
+     */
+    private final Text origin;
+
+    /**
+     * The old char.
+     */
+    private String oldChar;
+
+    /**
+     * The new char.
+     */
+    private String newChar;
+
+    /**
+     * Ctor.
+     *
+     * @param text    The text
+     * @param oldChar The old char
+     * @param newChar The new char
+     */
+    public ReplacedText(final Text text, String oldChar, String newChar) {
+        this.origin = text;
+        this.oldChar = oldChar;
+        this.newChar = newChar;
+    }
+
+    @Override
+    public String asString() throws IOException {
+        return origin.asString().replace(oldChar, newChar);
+    }
+}

src/test/java/org/cactoos/text/ReplacedTextTest.java

@@ -0,0 +1,24 @@
+package org.cactoos.text;
+
+import org.cactoos.TextHasString;
+import org.hamcrest.MatcherAssert;
+import org.junit.Test;
+
+/**
+ * Test case for {@link ReplacedText}.
+ * @author Mehmet Yildirim (memoyil@gmail.com)
+ * @version $Id$
+ * @since 0.1
+ * @checkstyle JavadocMethodCheck (500 lines)
+ */
+public final class ReplacedTextTest {
+
+    @Test
+    public void replaceText() {
+        MatcherAssert.assertThat(
+                "Can't replace a text",
+                new ReplacedText(new StringAsText("Hello!"),"ello","i"),
+                new TextHasString("Hi!")
+        );
+    }
+}