Add Java bindings (#18)

2019-12-06 09:25:26 +01:00
parent 2ffb5b2af0
commit 28e8cb8f33
12 changed files with 403 additions and 5 deletions
@@ -0,0 +1,120 @@
+package za.co.spazzymoto;
+
+import com.sourcetrail.*;
+
+public class example {
+  private static int DBVersion;
+  private static String DBFilePath;
+  private static String SourceFilePath;
+
+    public static void main(String[] args) {
+
+      for (String arg : args) {
+        String name = "";
+        String value = "";
+        try {
+          name = arg.split("=")[0];
+          value = arg.split("=")[1];
+        } catch(Exception e) {
+          System.out.println("Invalid parameter:" + arg);
+          System.exit(1);
+        }
+        switch(name) {
+          case "--database-file-path":
+            example.DBFilePath = value;
+            break;
+
+          case "--source-file-path":
+            example.SourceFilePath = value;
+            break;
+
+          case "--database-version":
+            try {
+              example.DBVersion = Integer.parseInt(value);
+            } catch (Exception e) {
+              System.out.println("Invalid DB version:" + value);
+            }
+            break;
+
+          default:
+            System.out.println("Invalid parameter:" + name);
+            System.exit(1);
+        }
+      }
+
+      System.out.println("SourcetrailDB Java API Example");
+      System.out.println("Supported database version: " + sourcetraildb.getSupportedDatabaseVersion());
+
+      if (example.DBVersion > 0 && example.DBVersion != sourcetraildb.getSupportedDatabaseVersion()) {
+        System.out.println("ERROR: Only supports database version: " + sourcetraildb.getSupportedDatabaseVersion() +
+        ". Requested version: " + example.DBVersion);
+        System.exit(1);
+      }
+
+      try {
+        sourcetraildb.open(example.DBFilePath);
+      } catch (Exception e) {
+        System.out.println(e.getMessage());
+        System.exit(1);
+      }
+
+      System.out.println("Clearing loaded database now...");
+      sourcetraildb.clear();
+      
+      System.out.println("start indexing");
+      sourcetraildb.beginTransaction();
+    
+      int fileId = sourcetraildb.recordFile(example.SourceFilePath);
+      sourcetraildb.recordFileLanguage(fileId, "python");
+      
+      if (sourcetraildb.getLastError().length() > 0) {
+        System.out.println(sourcetraildb.getLastError());
+        System.exit(1);
+      }
+
+      int symbolId = sourcetraildb.recordSymbol(
+        "{ \"name_delimiter\": \".\", \"name_elements\": [ " +
+          "{ \"prefix\": \"\", \"name\": \"MyType\", \"postfix\": \"\" } " +
+        "] }");
+      sourcetraildb.recordSymbolDefinitionKind(symbolId, DefinitionKind.DEFINITION_EXPLICIT);
+      sourcetraildb.recordSymbolKind(symbolId, SymbolKind.SYMBOL_CLASS);
+      sourcetraildb.recordSymbolLocation(symbolId, fileId, 2, 7, 2, 12);
+      sourcetraildb.recordSymbolScopeLocation(symbolId, fileId, 2, 1, 7, 1);
+      
+      int memberId = sourcetraildb.recordSymbol(
+        "{ \"name_delimiter\": \".\", \"name_elements\": [ " +
+          "{ \"prefix\": \"\", \"name\": \"MyType\", \"postfix\": \"\" }, " +
+          "{ \"prefix\": \"\", \"name\": \"my_member\", \"postfix\": \"\" } " +
+        "] }");
+      sourcetraildb.recordSymbolDefinitionKind(memberId, DefinitionKind.DEFINITION_EXPLICIT);
+      sourcetraildb.recordSymbolKind(memberId, SymbolKind.SYMBOL_FIELD);
+      sourcetraildb.recordSymbolLocation(memberId, fileId, 4, 2, 4, 10);
+
+      int methodId = sourcetraildb.recordSymbol(
+        "{ \"name_delimiter\": \".\", \"name_elements\": [ " +
+          "{ \"prefix\": \"\", \"name\": \"MyType\", \"postfix\": \"\" }, " +
+          "{ \"prefix\": \"\", \"name\": \"my_method\", \"postfix\": \"\" } " +
+        "] }");
+      sourcetraildb.recordSymbolDefinitionKind(methodId, DefinitionKind.DEFINITION_EXPLICIT);
+      sourcetraildb.recordSymbolKind(methodId, SymbolKind.SYMBOL_METHOD);
+      sourcetraildb.recordSymbolLocation(methodId, fileId, 6, 6, 6, 14);
+      sourcetraildb.recordSymbolScopeLocation(methodId, fileId, 6, 1, 7, 1);
+
+      int useageId = sourcetraildb.recordReference(methodId, memberId, ReferenceKind.REFERENCE_USAGE);
+      sourcetraildb.recordReferenceLocation(useageId, fileId, 7, 10, 7, 18);
+
+      sourcetraildb.commitTransaction();
+      
+      if (sourcetraildb.getLastError().length() > 0) {
+        System.out.println(sourcetraildb.getLastError());
+        System.exit(1);
+      }
+
+      if (!sourcetraildb.close()) {
+        System.out.println(sourcetraildb.getLastError());
+        System.exit(1);
+      }
+
+      System.out.println("done");
+    }
+}