From 8ce2916cdb3aee99920da6dc3500ea4efffbf221 Mon Sep 17 00:00:00 2001
From: zapata <zapata>
Date: Mon, 22 Apr 2002 19:29:19 +0000
Subject: [PATCH] some new producer related files added

---
 source/mir/generator/FreemarkerGenerator.java | 135 ++++++++++++++++++++++++++
 source/mir/generator/Generator.java           |   8 ++
 source/mir/generator/GeneratorException.java  |   4 +
 source/mir/producer/Producer.java             |   8 ++
 source/mir/producer/ProducerException.java    |   8 ++
 source/mir/producer/ProducerFactory.java      |   9 ++
 source/mir/producer/ProducerQueue.java        |   0
 7 files changed, 172 insertions(+)
 create mode 100755 source/mir/generator/FreemarkerGenerator.java
 create mode 100755 source/mir/generator/Generator.java
 create mode 100755 source/mir/generator/GeneratorException.java
 create mode 100755 source/mir/producer/Producer.java
 create mode 100755 source/mir/producer/ProducerException.java
 create mode 100755 source/mir/producer/ProducerFactory.java
 create mode 100755 source/mir/producer/ProducerQueue.java

diff --git a/source/mir/generator/FreemarkerGenerator.java b/source/mir/generator/FreemarkerGenerator.java
new file mode 100755
index 00000000..aeab5244
--- /dev/null
+++ b/source/mir/generator/FreemarkerGenerator.java
@@ -0,0 +1,135 @@
+package mir.generator;
+
+import freemarker.template.*;
+import mir.entity.*;
+import java.util.*;
+import java.io.*;
+
+public class FreemarkerGenerator implements Generator {
+  private Template template;
+
+  public FreemarkerGenerator(Template aTemplate) {
+    template = aTemplate;
+  }
+
+  public void generate(PrintWriter anOutputWriter, Map aValues, PrintWriter aLogger) throws GeneratorException {
+    aLogger.println("processing...<br/>");
+		template.process((TemplateModelRoot) makeMapAdapter(aValues), anOutputWriter);
+    aLogger.println("processed...<br/>");
+	}
+
+  private static TemplateScalarModel makeStringAdapter(String aString) {
+    return new SimpleScalar(aString);
+  }
+
+  private static TemplateHashModel makeMapAdapter(Map aMap)  {
+    return new MapAdapter(aMap);
+  }
+
+  private static TemplateListModel makeListAdapter(List aList) {
+    return new ListAdapter(aList);
+  }
+
+	private static TemplateModel makeAdapter(Object anObject) {
+	  if (anObject == null)
+	    return null;
+	  if (anObject instanceof TemplateModel)
+	    return (TemplateModel) anObject;
+	  if (anObject instanceof String)
+	    return makeStringAdapter((String) anObject);
+	  else if (anObject instanceof Map)
+	    return makeMapAdapter((Map) anObject);
+	  else if (anObject instanceof List)
+	    return makeListAdapter((List) anObject);
+	  else
+	    return null;
+	}
+
+	private static class MapAdapter implements TemplateModelRoot {
+	  Map map;
+	  Map valuesCache;
+
+	  private MapAdapter(Map aMap) {
+	    map = aMap;
+	    valuesCache = new HashMap();
+	  }
+
+	  public void put(String aKey, TemplateModel aModel) {
+	    valuesCache.put(aKey, aModel);
+	  }
+
+	  public void remove(String aKey) {
+	    // ML: kinda tricky...
+	  }
+
+	  public boolean isEmpty() {
+	    return map.isEmpty();
+	  }
+
+	  public TemplateModel get(String aKey) throws TemplateModelException {
+	    if (!valuesCache.containsKey(aKey)) {
+	      Object value = map.get(aKey);
+
+	      if (value == null)
+	        throw new TemplateModelException("MapAdapter: no key "+aKey+" available");
+
+	      valuesCache.put(aKey, makeAdapter(value));
+	    }
+
+	    return (TemplateModel) valuesCache.get(aKey);
+	  }
+	}
+
+	private static class ListAdapter implements TemplateListModel {
+	  List list;
+	  List valuesCache;
+	  int position;
+
+	  private ListAdapter(List aList) {
+	    list = aList;
+	    valuesCache = new Vector();
+	    position=0;
+	  }
+
+	  public boolean isEmpty() {
+	    return list.isEmpty();
+	  }
+
+	  public TemplateModel get(int i) {
+
+	    if (i>=valuesCache.size() && i<list.size()) {
+	      for(int j=valuesCache.size(); j<=i; j++) {
+	        valuesCache.add(makeAdapter(list.get(j)));
+	      }
+	    }
+
+	    if (i<valuesCache.size())
+	      return (TemplateModel) valuesCache.get(i);
+	    else
+	      return null;
+	  }
+
+    public boolean hasNext() {
+      return position<list.size();
+    }
+
+    public boolean isRewound() {
+      return position==0;
+    }
+
+    public TemplateModel next() {
+      TemplateModel result = null;
+
+      if (hasNext()) {
+        result = get(position);
+        position++;
+      }
+
+      return result;
+    }
+
+    public void rewind() {
+      position=0;
+    }
+	}
+}
diff --git a/source/mir/generator/Generator.java b/source/mir/generator/Generator.java
new file mode 100755
index 00000000..a3dd5928
--- /dev/null
+++ b/source/mir/generator/Generator.java
@@ -0,0 +1,8 @@
+package mir.generator;
+
+import java.util.*;
+import java.io.*;
+
+public interface Generator {
+  public void generate(PrintWriter anOutputWriter, Map aValues, PrintWriter aLogger) throws GeneratorException;
+}
diff --git a/source/mir/generator/GeneratorException.java b/source/mir/generator/GeneratorException.java
new file mode 100755
index 00000000..57fcdad7
--- /dev/null
+++ b/source/mir/generator/GeneratorException.java
@@ -0,0 +1,4 @@
+package mir.generator;
+
+public class GeneratorException extends Exception {
+}
\ No newline at end of file
diff --git a/source/mir/producer/Producer.java b/source/mir/producer/Producer.java
new file mode 100755
index 00000000..2f550dec
--- /dev/null
+++ b/source/mir/producer/Producer.java
@@ -0,0 +1,8 @@
+package mir.producer;
+
+import java.io.*;
+import mir.servlet.*;
+
+public interface Producer {
+  public void produce( PrintWriter aLogger ) throws ProducerException;
+}
diff --git a/source/mir/producer/ProducerException.java b/source/mir/producer/ProducerException.java
new file mode 100755
index 00000000..7c0cf11f
--- /dev/null
+++ b/source/mir/producer/ProducerException.java
@@ -0,0 +1,8 @@
+package mir.producer;
+
+public class ProducerException extends Exception {
+
+  public ProducerException(Throwable cause) {
+    super(cause.getMessage());
+  }
+}
\ No newline at end of file
diff --git a/source/mir/producer/ProducerFactory.java b/source/mir/producer/ProducerFactory.java
new file mode 100755
index 00000000..38691a34
--- /dev/null
+++ b/source/mir/producer/ProducerFactory.java
@@ -0,0 +1,9 @@
+package mir.producer;
+
+import java.util.*;
+
+public interface ProducerFactory {
+  public Producer makeProducer(String aVerb) throws ProducerException;
+  public Iterator verbs() throws ProducerException;
+}
+
diff --git a/source/mir/producer/ProducerQueue.java b/source/mir/producer/ProducerQueue.java
new file mode 100755
index 00000000..e69de29b
-- 
2.11.0