rebuilding head

[mir.git] / source / mir / generator / tal / template / CompositeTemplateNode.java

diff --git a/source/mir/generator/tal/template/CompositeTemplateNode.java b/source/mir/generator/tal/template/CompositeTemplateNode.java
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+++ b/source/mir/generator/tal/template/CompositeTemplateNode.java
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+/*\r
+ * Copyright (C) 2001, 2002 The Mir-coders group\r
+ *\r
+ * This file is part of Mir.\r
+ *\r
+ * Mir is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Mir is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with Mir; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
+ *\r
+ * In addition, as a special exception, The Mir-coders gives permission to link\r
+ * the code of this program with  any library licensed under the Apache Software License,\r
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library\r
+ * (or with modified versions of the above that use the same license as the above),\r
+ * and distribute linked combinations including the two.  You must obey the\r
+ * GNU General Public License in all respects for all of the code used other than\r
+ * the above mentioned libraries.  If you modify this file, you may extend this\r
+ * exception to your version of the file, but you are not obligated to do so.\r
+ * If you do not wish to do so, delete this exception statement from your version.\r
+ */\r
+package mir.generator.tal.template;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Iterator;\r
+import java.util.List;\r
+import java.util.Map;\r
+\r
+import mir.generator.tal.interfaces.TALExpressionParser;\r
+import mir.generator.tal.interfaces.TALLogger;\r
+\r
+/**\r
+ * Template node that is composed of a list of template nodes.\r
+ *\r
+ */\r
+public class CompositeTemplateNode implements TemplateNode {\r
+  private List parts;\r
+\r
+  public CompositeTemplateNode() {\r
+    parts = new ArrayList();\r
+  }\r
+\r
+  /** {@inheritDoc} */\r
+  public void process(TALExpressionParser aParser, Object aContext, StringBuffer aDestination,\r
+      TALLogger aLogger, Map aTemplateContext, TemplateLibrary aLibrary) throws TemplateProcessingException {\r
+    Iterator i = parts.iterator();\r
+\r
+    while (i.hasNext()) {\r
+      ((TemplateNode) i.next()).process(aParser, aContext, aDestination, aLogger, aTemplateContext, aLibrary);\r
+    }\r
+  }\r
+\r
+  public String getPlainText() {\r
+    StringBuffer result = new StringBuffer();\r
+\r
+    Iterator i = parts.iterator();\r
+    while (i.hasNext()) {\r
+      result.append(((TemplateNode) i.next()).getPlainText());\r
+    }\r
+\r
+    return result.toString();\r
+  }\r
+\r
+  public boolean isEmpty() {\r
+    return parts.isEmpty();\r
+  }\r
+\r
+  /**\r
+   * Adds a <code>TemplateNode</code> at the end of the chain.\r
+   */\r
+  public void appendSubNode(TemplateNode aNode) {\r
+    if (aNode instanceof CompositeTemplateNode) {\r
+      Iterator i = ((CompositeTemplateNode) aNode).parts.iterator();\r
+      while (i.hasNext()) {\r
+        appendSubNode((TemplateNode) i.next());\r
+      }\r
+    }\r
+    else if (aNode instanceof PlainTextTemplateNode &&\r
+             parts.size()>0 &&\r
+             (parts.get(parts.size()-1) instanceof PlainTextTemplateNode)) {\r
+\r
+      ((PlainTextTemplateNode) parts.get(parts.size()-1)).appendText(((PlainTextTemplateNode) aNode).getText());\r
+      ((PlainTextTemplateNode) parts.get(parts.size()-1)).appendPlainText(((PlainTextTemplateNode) aNode).getPlainText());\r
+    }\r
+    else {\r
+      parts.add(aNode);\r
+    }\r
+  }\r
+\r
+}\r