From a93b71c03feaa7b7507470bc0633dd5734681349 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Cazalet?= <Clement.Cazalet@itesoft.com>
Date: Mon, 13 Feb 2023 14:39:55 +0100
Subject: [PATCH] Add wildcard support in file name /
 wso2-maven-json-merge-plugin

---
 wso2-maven-json-merge-plugin/pom.xml          |  4 +++
 .../src/main/java/org/wso2/maven/Merge.java   | 25 +++++++++++++++++--
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/wso2-maven-json-merge-plugin/pom.xml b/wso2-maven-json-merge-plugin/pom.xml
index 14cb14aa..cb2f3b91 100644
--- a/wso2-maven-json-merge-plugin/pom.xml
+++ b/wso2-maven-json-merge-plugin/pom.xml
@@ -55,6 +55,10 @@
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
         </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
diff --git a/wso2-maven-json-merge-plugin/src/main/java/org/wso2/maven/Merge.java b/wso2-maven-json-merge-plugin/src/main/java/org/wso2/maven/Merge.java
index e8a9bcc0..bb750d29 100644
--- a/wso2-maven-json-merge-plugin/src/main/java/org/wso2/maven/Merge.java
+++ b/wso2-maven-json-merge-plugin/src/main/java/org/wso2/maven/Merge.java
@@ -15,6 +15,7 @@
  */
 package org.wso2.maven;
 
+import org.apache.commons.io.filefilter.WildcardFileFilter;
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
@@ -22,11 +23,14 @@
 import org.apache.maven.plugins.annotations.Parameter;
 
 import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileFilter;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 /**
  * Mojo for Json Merge
@@ -51,8 +55,10 @@ public void execute() throws MojoExecutionException, MojoFailureException {
             Map inputMap;
             String targetPath = taskModel.getTarget();
             for (String aFile : taskModel.getInclude()) {
-                inputMap = Utils.getReadMap(aFile);
-                baseJsonMap = Utils.mergeMaps(baseJsonMap, inputMap, taskModel.isMergeChildren());
+                for (String bFile : this.getMatchingFiles(aFile)) {
+                    inputMap = Utils.getReadMap(bFile);
+                    baseJsonMap = Utils.mergeMaps(baseJsonMap, inputMap, taskModel.isMergeChildren());
+                }
             }
 
             try (BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(targetPath))) {
@@ -64,4 +70,19 @@ public void execute() throws MojoExecutionException, MojoFailureException {
         }
 
     }
+
+    private String[] getMatchingFiles(String aFile) {
+        File file = new File(aFile).getParentFile();
+        if (file != null && file.exists()) {
+            FileFilter fileFilter = new WildcardFileFilter(new File(aFile).getName());
+            File[] files = Objects.requireNonNull(file.listFiles(fileFilter));
+            String[] result = new String[files.length];
+            for (int i = 0; i < files.length; i++) {
+                result[i] = files[i].getPath();
+            }
+            return result;
+        } else {
+            return new String[]{ aFile };
+        }
+    }
 }