AT&T 2.0.19 Code drop, stage 1
[aaf/authz.git] / misc / rosetta / src / main / java / org / onap / aaf / misc / rosetta / env / RosettaDF.java
diff --git a/misc/rosetta/src/main/java/org/onap/aaf/misc/rosetta/env/RosettaDF.java b/misc/rosetta/src/main/java/org/onap/aaf/misc/rosetta/env/RosettaDF.java
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+/**
+ * ============LICENSE_START====================================================
+ * org.onap.aaf
+ * ===========================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ===========================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END====================================================
+ *
+ */
+
+package org.onap.aaf.misc.rosetta.env;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Reader;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.io.Writer;
+
+import javax.xml.bind.JAXBException;
+import javax.xml.namespace.QName;
+import javax.xml.validation.Schema;
+
+import org.onap.aaf.misc.env.APIException;
+import org.onap.aaf.misc.env.BaseDataFactory;
+import org.onap.aaf.misc.env.Data;
+import org.onap.aaf.misc.env.DataFactory;
+import org.onap.aaf.misc.env.Env;
+import org.onap.aaf.misc.env.TimeTaken;
+import org.onap.aaf.misc.env.Trans;
+import org.onap.aaf.misc.env.Data.TYPE;
+import org.onap.aaf.misc.env.jaxb.JAXBmar;
+import org.onap.aaf.misc.env.jaxb.JAXBumar;
+import org.onap.aaf.misc.rosetta.InJson;
+import org.onap.aaf.misc.rosetta.InXML;
+import org.onap.aaf.misc.rosetta.JaxInfo;
+import org.onap.aaf.misc.rosetta.Marshal;
+import org.onap.aaf.misc.rosetta.Out;
+import org.onap.aaf.misc.rosetta.OutJson;
+import org.onap.aaf.misc.rosetta.OutRaw;
+import org.onap.aaf.misc.rosetta.OutXML;
+import org.onap.aaf.misc.rosetta.Parse;
+import org.onap.aaf.misc.rosetta.ParseException;
+import org.onap.aaf.misc.rosetta.marshal.DocMarshal;
+
+public class RosettaDF<T> extends BaseDataFactory implements DataFactory<T>  {
+       
+       static InJson inJSON = new InJson();
+       InXML  inXML;
+
+       static OutJson outJSON = new OutJson();
+       OutXML outXML;
+       static OutRaw outRAW = new OutRaw();
+       
+       // Temporary until we write JAXB impl...
+       JAXBmar jaxMar;
+       JAXBumar jaxUmar;
+       
+       private Parse<Reader,?> defaultIn;
+       private Out defaultOut;
+       private RosettaEnv env;
+       private TYPE inType;
+       private TYPE outType;
+       private int defOption;
+       Marshal<T> marshal = null;
+       
+
+       /**
+        * Private constructor to setup Type specific data manipulators
+        * @param schema
+        * @param rootNs
+        * @param cls
+        * @throws SecurityException
+        * @throws NoSuchFieldException
+        * @throws ClassNotFoundException
+        * @throws ParseException
+        * @throws JAXBException
+        */
+       // package on purpose
+       RosettaDF(RosettaEnv env, Schema schema, String rootNs, Class<T> cls) throws APIException {
+               this.env = env;
+               try {
+               // Note: rootNs can be null, in order to derive content from Class.  
+               JaxInfo ji = rootNs==null?JaxInfo.build(cls):JaxInfo.build(cls,rootNs);
+               // Note: JAXBmar sets qname to null if not exists
+               jaxMar = new JAXBmar(rootNs==null?null:new QName("xmlns",rootNs),cls);
+               // Note: JAXBumar sets schema to null if not exists
+               jaxUmar = new JAXBumar(schema, cls);
+               
+               defaultIn = inXML = new InXML(ji);
+               defaultOut = outXML = new OutXML(ji);
+               inType=outType=Data.TYPE.XML;
+               defOption = 0;
+               } catch (Exception e) {
+                       throw new APIException(e);
+               }
+       }
+       
+
+       // @Override
+       public RosettaData<T> newData() {
+               RosettaData<T> data = new RosettaData<T>(env, this)                     
+                       .in(inType)
+                       .out(outType)
+                       .option(defOption);
+               return data;
+       }
+
+       // @Override
+       public RosettaData<T> newData(Env trans) {
+               RosettaData<T> data = new RosettaData<T>(trans, this)
+                       .in(inType)
+                       .out(outType)
+                       .option(defOption);
+               return data;
+       }
+
+       @SuppressWarnings("unchecked")
+       // @Override
+       public Class<T> getTypeClass() {
+               return (Class<T>)jaxMar.getMarshalClass();
+       }
+
+       public RosettaDF<T> in(Data.TYPE type) {
+               inType = type;
+               defaultIn=getIn(type==Data.TYPE.DEFAULT?Data.TYPE.JSON:type);
+               return this;
+       }
+
+       /**
+        * If exists, first option is "Pretty", second is "Fragment"
+        * 
+        * @param options
+        * @return
+        */
+       public RosettaDF<T> out(Data.TYPE type) {
+               outType = type;
+               defaultOut = getOut(type==Data.TYPE.DEFAULT?Data.TYPE.JSON:type);
+               return this;
+       }
+       
+       public Parse<Reader,?> getIn(Data.TYPE type) {
+               switch(type) {
+                       case DEFAULT:
+                               return defaultIn;
+                       case JSON:
+                               return inJSON;
+                       case XML:
+                               return inXML;
+                       default:
+                               return defaultIn;
+               }
+       }
+       
+       public Out getOut(Data.TYPE type) {
+               switch(type) {
+                       case DEFAULT:
+                               return defaultOut;
+                       case JSON:
+                               return outJSON;
+                       case XML:
+                               return outXML;
+                       case RAW:
+                               return outRAW;
+                       default:
+                               return defaultOut;
+               }
+       }
+       
+       public int logType(org.onap.aaf.misc.env.Data.TYPE ot) {
+               switch(ot) {
+                       case JSON:
+                               return Env.JSON;
+                       default:
+                               return Env.XML;
+               }
+       }
+
+
+       public RosettaEnv getEnv() {
+               return env;
+       }
+
+
+       public Data.TYPE getInType() {
+               return inType;
+       }
+
+       public Data.TYPE getOutType() {
+               return outType;
+       }
+
+       public RosettaDF<T> option(int option) {
+               defOption = option;
+               
+               return this;
+       }
+
+       /**
+        * Assigning Root Marshal Object
+        * 
+        * Will wrap with DocMarshal Object if not already
+        * 
+        * @param marshal
+        * @return
+        */
+       public RosettaDF<T> rootMarshal(Marshal<T> marshal) {
+               if(marshal instanceof DocMarshal) {
+                       this.marshal = marshal;
+               } else {
+                       this.marshal = DocMarshal.root(marshal);
+               }
+               return this;
+       }
+       
+       public void direct(Trans trans, T t, OutputStream os, boolean ... options) throws APIException, IOException {
+               Out out = getOut(outType);
+               TimeTaken tt = trans.start(out.logName(),logType(outType)); // determine from Out.. without dependency on Env?
+               try {
+                       if(marshal==null) { // Unknown marshaller... do working XML marshal/extraction
+                               StringWriter sw = new StringWriter();
+                               jaxMar.marshal(trans.debug(), t, sw, options);
+                               out.extract(new StringReader(sw.toString()), new OutputStreamWriter(os), inXML,options);
+                       } else {
+                               out.extract(t, new OutputStreamWriter(os), marshal,options);
+                       }
+               } catch (Exception e) {
+                       throw new APIException(e);
+               } finally {
+                       tt.done();
+               }
+       }
+
+       public void direct(Trans trans, T t, Writer writer, boolean ... options) throws APIException, IOException {
+               Out out = getOut(outType);
+               TimeTaken tt = trans.start(out.logName(),logType(outType)); // determine from Out.. without dependency on Env?
+               try {
+                       if(marshal==null) { // Unknown marshaller... do working XML marshal/extraction
+                               StringWriter sw = new StringWriter();
+                               jaxMar.marshal(trans.debug(), t, sw, options);
+                               out.extract(new StringReader(sw.toString()), writer, inXML,options);
+                       } else {
+                               out.extract(t, writer, marshal,options);
+                       }
+               } catch (Exception e) {
+                       throw new APIException(e);
+               } finally {
+                       tt.done();
+               }
+       }
+
+
+}