[AAF-23] Initial code import

[aaf/inno.git] / xgen / src / main / java / com / att / xgen / CacheGen.java

diff --git a/xgen/src/main/java/com/att/xgen/CacheGen.java b/xgen/src/main/java/com/att/xgen/CacheGen.java
new file mode 100644 (file)
index 0000000..b3e0491
--- /dev/null
+++ b/xgen/src/main/java/com/att/xgen/CacheGen.java
@@ -0,0 +1,133 @@
+/*******************************************************************************\r
+ * ============LICENSE_START====================================================\r
+ * * org.onap.aai\r
+ * * ===========================================================================\r
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
+ * * Copyright © 2017 Amdocs\r
+ * * ===========================================================================\r
+ * * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * * you may not use this file except in compliance with the License.\r
+ * * You may obtain a copy of the License at\r
+ * * \r
+ *  *      http://www.apache.org/licenses/LICENSE-2.0\r
+ * * \r
+ *  * Unless required by applicable law or agreed to in writing, software\r
+ * * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * * See the License for the specific language governing permissions and\r
+ * * limitations under the License.\r
+ * * ============LICENSE_END====================================================\r
+ * *\r
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
+ * *\r
+ ******************************************************************************/\r
+package com.att.xgen;\r
+\r
+import java.io.IOException;\r
+import java.io.OutputStream;\r
+import java.io.OutputStreamWriter;\r
+import java.io.Writer;\r
+import java.util.ArrayList;\r
+\r
+import com.att.inno.env.APIException;\r
+import com.att.inno.env.Env;\r
+import com.att.inno.env.Trans;\r
+import com.att.xgen.html.State;\r
+import com.att.xgen.html.Thematic;\r
+\r
+\r
+public abstract class CacheGen<G extends XGen<G>> {\r
+       public static final int NO_FLAGS = 0x0;\r
+       public final static int PRETTY  = 0x1;\r
+       public final static int XML             = 0x2;\r
+       public final static int HTML4   = 0x4;\r
+       public final static int HTML5   = 0x8;\r
+\r
+       \r
+       private ArrayList<Section<G>> sections = new ArrayList<Section<G>>();\r
+       private int flags;\r
+       private final Thematic thematic;\r
+\r
+       public CacheGen(int flags, Code<G> code) throws APIException, IOException {\r
+               this.flags = flags;\r
+               final XGenBuff<G> buff = new XGenBuff<G>(flags,this);\r
+               // Run to gather Strings and Code Class Segments\r
+               buff.run(new Cache<G>() {\r
+                               @Override\r
+                               public void dynamic(G hgen, Code<G> code) {\r
+                                       sections.add(buff.newSection());\r
+                                       sections.add(new Dynamic(hgen.getIndent(),code));\r
+                               }\r
+                       },code);\r
+               sections.add(buff.newSection());\r
+       \r
+               // If Code implements thematic, set for later\r
+               thematic = code instanceof Thematic?(Thematic)code:null;\r
+\r
+       }\r
+       \r
+       public abstract G create(int htmlStyle, Writer w);\r
+\r
+       public void replay(State<Env> state, Trans trans, OutputStream os, String theme) throws IOException, APIException {\r
+               replay(state, trans, new OutputStreamWriter(os), theme);\r
+       }\r
+       \r
+       public void replay(State<Env> state, Trans trans,Writer w, String theme) throws IOException, APIException {\r
+               if(thematic!=null) {\r
+                       theme = thematic.themeResolve(theme);\r
+               }\r
+               /* Theme\r
+               trans.setTheme(theme);\r
+               int htmlStyle = state.htmlVer(theme);\r
+               */\r
+               \r
+               XGenBuff<G> buff = new XGenBuff<G>(flags,this);\r
+               \r
+               // forward\r
+               int indent = 0;\r
+               Section<G> s;\r
+               int i=0;\r
+               @SuppressWarnings("unchecked")\r
+               Section<G>[] reverse = new Section[sections.size()];\r
+               for(Section<G> section : sections) {\r
+                       s = section.use(state, trans, buff); // note, doesn't change cached, only dynamic, which is created for thread\r
+                       int tempIndent = s.getIndent();\r
+                       s.setIndent(indent);\r
+                       s.forward(w);\r
+                       s.setIndent(tempIndent);\r
+                       indent = tempIndent;\r
+                       reverse[i++]=s;\r
+               }\r
+\r
+               for(--i;i>=0;--i) {\r
+                       reverse[i].back(w);\r
+               }\r
+               w.flush();\r
+       }\r
+       \r
+       private class Dynamic extends Section<G> {\r
+               private Code<G> code;\r
+               \r
+               public Dynamic(int indent, Code<G> code) {\r
+                       this.code = code;\r
+                       this.indent = indent;\r
+               }\r
+\r
+               @SuppressWarnings("unchecked")\r
+               public Section<G> use(State<Env> state, Trans trans, XGenBuff<G> buff) throws APIException, IOException {\r
+                       // Clone Dynamic to make Thread Safe\r
+                       Dynamic d = new Dynamic(indent,code);\r
+                       buff.setIndent(indent);\r
+                       if(code instanceof DynamicCode) {\r
+                               buff.run(state,trans,Cache.Null.singleton(), (DynamicCode<G,?,? extends Trans>)code);\r
+                       } else {\r
+                               buff.run((Cache<G>)Cache.Null.singleton(), code);\r
+                       }\r
+                       Section<G> s = buff.newSection();\r
+                       d.indent = s.indent;\r
+                       d.forward = s.forward;\r
+                       d.backward = s.backward;\r
+                       return d;\r
+               }\r
+       }\r
+}\r