Add JNI

.gitignore

@@ -1,3 +1,5 @@
 /target
 /Cargo.lock
 /.idea/
+/SchemSearch.class
+/SchemSearch.h

Cargo.toml

@@ -3,5 +3,6 @@ members = [
     "schemsearch-cli",
     "schemsearch-lib",
     "schemsearch-files",
-    "schemsearch-sql"
+    "schemsearch-sql",
+    "schemsearch-java"
 ]

SchemSearch.java

@@ -0,0 +1,8 @@
+public class SchemSearch {
+
+    public static native String search(String schematicFile, String patternFile);
+
+    public static void init(String filePath) {
+        System.loadLibrary(filePath);
+    }
+}

schemsearch-java/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "schemsearch-java"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+crate_type = ["cdylib"]
+
+[dependencies]
+jni = "0.21.0"
+
+schemsearch-lib = { path = "../schemsearch-lib" }
+schemsearch-files = { path = "../schemsearch-files" }

schemsearch-java/src/lib.rs

@@ -0,0 +1,34 @@
+#![no_mangle]
+
+use jni::JNIEnv;
+
+use jni::objects::{JClass, JString};
+
+use jni::sys::jstring;
+use schemsearch_lib::{search, SearchBehavior};
+
+pub extern "system" fn Java_SchemSearch_search<'local>(mut env: JNIEnv<'local>,
+    class: JClass<'local>,
+    schematic_path: JString<'local>,
+    pattern_path: JString<'local>) -> jstring {
+    let schematic_path: String = env.get_string(&schematic_path).expect("Couldn't get java string!").into();
+    let pattern_path: String = env.get_string(&pattern_path).expect("Couldn't get java string!").into();
+    let file = std::fs::File::open(schematic_path).expect("Failed to open file");
+    let schematic = &std::io::Read::bytes(file).map(|b| b.unwrap()).collect();
+    let file = std::fs::File::open(pattern_path).expect("Failed to open file");
+    let pattern = &std::io::Read::bytes(file).map(|b| b.unwrap()).collect();
+
+    let matches = search(schematic, pattern, SearchBehavior {
+        ignore_block_data: true,
+        ignore_block_entities: true,
+        ignore_entities: true,
+    });
+
+    let mut result = String::new();
+    for (x, y, z) in matches {
+        result.push_str(&format!("{}, {}, {};", x, y, z));
+    }
+    result.remove(result.len() - 1);
+    let output = env.new_string(result).expect("Couldn't create java string!");
+    output.into_raw()
+}

schemsearch-lib/src/lib.rs

@@ -5,9 +5,9 @@ pub mod pattern_mapper;
 
 #[derive(Debug, Clone, Copy)]
 pub struct SearchBehavior {
-    ignore_block_data: bool,
-    ignore_block_entities: bool,
-    ignore_entities: bool,
+    pub ignore_block_data: bool,
+    pub ignore_block_entities: bool,
+    pub ignore_entities: bool,
 }
 
 pub fn search(