From 2be7535e09e359d70b924013c9f4d25149fdf0ae Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Thu, 6 Sep 2018 08:57:51 -0400
Subject: java: add src/main/java/org/pablotron/luigi/ResultHandler.java,
 update tests

---
 .../java/org/pablotron/luigi/ResultHandler.java    |  5 +++++
 .../main/java/org/pablotron/luigi/Template.java    |  9 ++++++++
 .../org/pablotron/luigi/tests/TemplateTest.java    | 24 ++++++++++++++++++++++
 3 files changed, 38 insertions(+)
 create mode 100644 java/src/main/java/org/pablotron/luigi/ResultHandler.java

(limited to 'java/src')

diff --git a/java/src/main/java/org/pablotron/luigi/ResultHandler.java b/java/src/main/java/org/pablotron/luigi/ResultHandler.java
new file mode 100644
index 0000000..32690a2
--- /dev/null
+++ b/java/src/main/java/org/pablotron/luigi/ResultHandler.java
@@ -0,0 +1,5 @@
+package org.pablotron.luigi;
+
+public interface ResultHandler {
+  public abstract void append(final String s);
+};
diff --git a/java/src/main/java/org/pablotron/luigi/Template.java b/java/src/main/java/org/pablotron/luigi/Template.java
index 2b17a54..9af3a74 100644
--- a/java/src/main/java/org/pablotron/luigi/Template.java
+++ b/java/src/main/java/org/pablotron/luigi/Template.java
@@ -35,6 +35,15 @@ public final class Template {
     return r.toString();
   }
 
+  public void run(
+    final Map<String, String> args,
+    final ResultHandler r
+  ) throws LuigiError {
+    for (Action a: this.actions) {
+      r.append(a.run(this.filters, args));
+    }
+  }
+
   public String toString() {
     return this.template;
   }
diff --git a/java/src/test/java/org/pablotron/luigi/tests/TemplateTest.java b/java/src/test/java/org/pablotron/luigi/tests/TemplateTest.java
index 5ff9ede..94e259e 100644
--- a/java/src/test/java/org/pablotron/luigi/tests/TemplateTest.java
+++ b/java/src/test/java/org/pablotron/luigi/tests/TemplateTest.java
@@ -3,6 +3,7 @@ import java.util.HashMap;
 
 import org.pablotron.luigi.LuigiError;
 import org.pablotron.luigi.Template;
+import org.pablotron.luigi.ResultHandler;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -35,6 +36,29 @@ public final class TemplateTest {
     assertEquals("foofoo", r);
   }
 
+  private static final class TestResultHandler implements ResultHandler {
+    private final StringBuilder sb;
+    public TestResultHandler(final StringBuilder sb) {
+      this.sb = sb;
+    }
+
+    public void append(final String s) {
+      sb.append(s);
+    }
+  };
+
+  @Test
+  public void testResultHandler() throws LuigiError {
+    final Template t = new Template("foo%{bar}");
+    final StringBuilder sb = new StringBuilder();
+    final TestResultHandler rh = new TestResultHandler(sb);
+
+    t.run(TEST_ARGS, rh);
+    final String r = sb.toString();
+
+    assertEquals("foofoo", sb.toString());
+  }
+
   @Test
   public void testMultipleKeys() throws LuigiError {
     final Template t = new Template("foo%{bar}%{baz}");
-- 
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