Provide a builder to the ChannelDispatcher class and depreciate all constructors

1 files changed, 56 insertions, 0 deletions

diff --git a/sonar-channel/src/test/java/org/sonar/channel/ChannelDispatcherTest.java b/sonar-channel/src/test/java/org/sonar/channel/ChannelDispatcherTest.java
new file mode 100644
index 00000000000..030d82feb70
--- /dev/null
+++ b/sonar-channel/src/test/java/org/sonar/channel/ChannelDispatcherTest.java
@@ -0,0 +1,56 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2008-2011 SonarSource
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.channel;
+
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+import org.junit.Test;
+
+public class ChannelDispatcherTest {
+
+  @Test
+  public void shouldRemoveSpacesFromString() {
+    ChannelDispatcher<StringBuilder> dispatcher = ChannelDispatcher.builder().addChannel(new SpaceDeletionChannel()).build();
+    StringBuilder output = new StringBuilder();
+    dispatcher.consume(new CodeReader("two words"), output);
+    assertThat(output.toString(), is("twowords"));
+  }
+
+  @Test(expected = IllegalStateException.class)
+  public void shouldThrowExceptionWhenNoChannelToConsumeNextCharacter() {
+    ChannelDispatcher<StringBuilder> dispatcher = ChannelDispatcher.builder().failIfNoChannelToConsumeOneCharacter().build();
+    dispatcher.consume(new CodeReader("two words"), new StringBuilder());
+  }
+
+  private class SpaceDeletionChannel extends Channel<StringBuilder> {
+
+    @Override
+    public boolean consume(CodeReader code, StringBuilder output) {
+      if (code.peek() == ' ') {
+        code.pop();
+      } else {
+        output.append((char) code.pop());
+      }
+      return true;
+    }
+
+  }
+}