Add ability to overwrite existing methods

Fixes manual editing of methods:
- BaseOnenotePageCollectionRequest
- IBaseOnenotePageCollectionRequest
- BaseOnenotePageRequest
- IBaseOnenotePageRequest

Author: Caitlin Bales (MSFT)

Templates/Android/BaseModel.template.tt

@@ -816,4 +816,34 @@ public {1} {2}{3}{4} {{";
 
 		return property != null ? property.GetValue(customImports).ToString() : string.Empty;
 	}
+
+	/*
+	 * Find and replace overwrite values for the given class
+	 * @param className The class that you will be applying overwrites to
+	 *
+	 * @return An empty string (does not write anything new to the file)
+	 */
+	public string PostProcess(string className)
+	{
+		//Load the StringBuilder with the file contents
+		var strb = this.GenerationEnvironment;
+
+	    //Get the list of available classes to overwrite
+		CustomOverwrites customOverwrites = new CustomOverwrites();
+		var type = customOverwrites.GetType();
+
+		//Load the dictionary that corresponds to the current class
+		var results = type.GetFields().Where(x => x.Name == className).FirstOrDefault();
+
+		if (results != null) {
+			var dictionary = (Dictionary<string, string>)results.GetValue(this);
+			//Find and replace for each item in the dictionary
+			foreach (var item in dictionary) {
+				strb.Replace(item.Key, item.Value);
+			}
+		}
+		//This seems to be a requirement of the template builder
+		//Specifying a return type of "void" throws an error
+	   return string.Empty;
+	}
 #>

Templates/Android/generated/BaseEntityCollectionRequest.java.tt

@@ -104,3 +104,4 @@
         return page;
     }
 }
+<#=PostProcess(BaseTypeCollectionRequest(c))#>

Templates/Android/generated/BaseEntityRequest.java.tt

@@ -93,6 +93,7 @@
      }
 <# } #>
 }
+<#=PostProcess(BaseTypeRequest(c))#>
 <#+
     public String deleteMethods(OdcmObject c)
     {
@@ -192,4 +193,4 @@
 ";
         return string.Format(formatString, TypeName(odcmObject));
     }
- #>
+ #>

Templates/Android/generated/IBaseEntityCollectionRequest.java.tt

@@ -47,3 +47,4 @@
 
 <# } #>
 }
+<#=PostProcess(IBaseTypeCollectionRequest(c))#>

Templates/Android/generated/IBaseEntityRequest.java.tt

@@ -69,6 +69,7 @@
     <#=IBaseTypeRequest(c)#> top(final int value);
 <# } #>
 }
+<#=PostProcess(IBaseTypeRequest(c))#>
 <#+
     public String deleteMethods(OdcmObject c)
     {

src/GraphODataTemplateWriter/CodeHelpers/Android/CustomOverwrites.cs

@@ -0,0 +1,66 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Microsoft.Graph.ODataTemplateWriter.CodeHelpers.Android
+{
+    /**
+     * This class contains a list of constants that define code snippets that should
+     * be overwritten at generation time 
+     * The field name should be equal to the class name you wish to edit
+     * The dictionary value should contain two string, the first is the search value
+     * and the latter is the replace value
+     * This will be used in BaseModel.template.tt in the PostProcess() method
+     */
+    public class CustomOverwrites
+    {
+        public static Dictionary<string, string> BaseOnenotePageCollectionRequest = new Dictionary<string, string>() {
+            {
+                "public void post(final OnenotePage newOnenotePage, final ICallback<OnenotePage> callback) {",
+                "public void post(final byte[] newOnenotePage, final ICallback<OnenotePage> callback) {"
+            },
+            {
+                "public OnenotePage post(final OnenotePage newOnenotePage) throws ClientException {",
+                "public OnenotePage post(final byte[] newOnenotePage) throws ClientException {"
+            }
+        };
+
+        public static Dictionary<string, string> BaseOnenotePageRequest = new Dictionary<string, string>()
+        {
+            {
+                "public void post(final OnenotePage newOnenotePage, final ICallback<OnenotePage> callback) {",
+                "public void post(final byte[] newOnenotePage, final ICallback<OnenotePage> callback) {"
+            },
+            {
+                "public OnenotePage post(final OnenotePage newOnenotePage) throws ClientException {",
+                "public OnenotePage post(final byte[] newOnenotePage) throws ClientException {"
+            }
+        };
+
+        public static Dictionary<string, string> IBaseOnenotePageCollectionRequest = new Dictionary<string, string>()
+        {
+            {
+                "void post(final OnenotePage newOnenotePage, final ICallback<OnenotePage> callback);",
+                "void post(final byte[] newOnenotePage, final ICallback<OnenotePage> callback);"
+            },
+            {
+                "OnenotePage post(final OnenotePage newOnenotePage) throws ClientException;",
+                "OnenotePage post(final byte[] newOnenotePage) throws ClientException;"
+            }
+        };
+
+        public static Dictionary<string, string> IBaseOnenotePageRequest = new Dictionary<string, string>()
+        {
+            {
+                "void post(final OnenotePage newOnenotePage, final ICallback<OnenotePage> callback);",
+                "void post(final byte[] newOnenotePage, final ICallback<OnenotePage> callback);"
+            },
+            {
+                "OnenotePage post(final OnenotePage newOnenotePage) throws ClientException;",
+                "OnenotePage post(final byte[] newOnenotePage) throws ClientException;"
+            }
+        };
+    }
+}

src/GraphODataTemplateWriter/GraphODataTemplateWriter.csproj

@@ -51,6 +51,9 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="CodeHelpers\Android\CustomImports.cs" />
+    <Compile Include="CodeHelpers\Android\CustomMethods.cs" />
+    <Compile Include="CodeHelpers\Android\CustomOverwrites.cs" />
     <Compile Include="CodeHelpers\CodeWriterBase.cs" />
     <Compile Include="CodeHelpers\CSharp\CodeWriterCSharp.cs" />
     <Compile Include="CodeHelpers\CSharp\TypeHelperCSharp.cs" />