Use common library to read file content.

[javainspect.git] / src / main / java / eu / svjatoslav / inspector / java / methods / JavaFile.java

diff --git a/src/main/java/eu/svjatoslav/inspector/java/methods/JavaFile.java b/src/main/java/eu/svjatoslav/inspector/java/methods/JavaFile.java
index 29f1a1c..70d5dc2 100755 (executable)
--- a/src/main/java/eu/svjatoslav/inspector/java/methods/JavaFile.java
+++ b/src/main/java/eu/svjatoslav/inspector/java/methods/JavaFile.java
@@ -1,7 +1,7 @@
 /*
  * JavaInspect - Utility to visualize java software
- * Copyright (C) 2013-2015, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- * 
+ * Copyright (C) 2013-2020, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of version 3 of the GNU Lesser General Public License
  * or later as published by the Free Software Foundation.
@@ -13,17 +13,22 @@ import eu.svjatoslav.commons.string.tokenizer.InvalidSyntaxException;
 import eu.svjatoslav.commons.string.tokenizer.Tokenizer;
 import eu.svjatoslav.commons.string.tokenizer.TokenizerMatch;
 
-import java.io.*;
+import java.io.File;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
+import static eu.svjatoslav.commons.file.IOHelper.getFileContentsAsString;
+import static eu.svjatoslav.commons.string.tokenizer.Terminator.TerminationStrategy.DROP;
+import static eu.svjatoslav.commons.string.tokenizer.Terminator.TerminationStrategy.PRESERVE;
+
 public class JavaFile {
 
     public static final String UTF_8 = "UTF-8";
-    private final List<Import> imports = new ArrayList<Import>();
+    public final List<Clazz> classes = new ArrayList<>();
+    String contents;
+    private final List<Import> imports = new ArrayList<>();
     private final File file;
-    public List<Clazz> classes = new ArrayList<Clazz>();
-    StringBuffer contents = new StringBuffer();
     private String packageName;
 
     public JavaFile(final File file) throws IOException, InvalidSyntaxException {
@@ -34,30 +39,30 @@ public class JavaFile {
     public void parse() throws IOException, InvalidSyntaxException {
         System.out.println("java file: " + file);
 
-        readFile();
+        contents = getFileContentsAsString(file);
 
-        final Tokenizer tokenizer = new Tokenizer(contents.toString());
+        final Tokenizer tokenizer = new Tokenizer(contents);
 
         // empty space
-        tokenizer.addTerminator(" ", true);
-        tokenizer.addTerminator("\t", true);
-        tokenizer.addTerminator("\n", true);
-
-        tokenizer.addTerminator(";", false);
-        tokenizer.addTerminator("{", false);
-        tokenizer.addTerminator("}", false);
-        tokenizer.addTerminator("(", false);
-        tokenizer.addTerminator(")", false);
-        tokenizer.addTerminator("[", false);
-        tokenizer.addTerminator("]", false);
-        tokenizer.addTerminator("<", false);
-        tokenizer.addTerminator(">", false);
-        tokenizer.addTerminator(",", false);
-        tokenizer.addTerminator("@", false);
+        tokenizer.addTerminator(" ", DROP);
+        tokenizer.addTerminator("\t", DROP);
+        tokenizer.addTerminator("\n", DROP);
+
+        tokenizer.addTerminator(";", PRESERVE);
+        tokenizer.addTerminator("{", PRESERVE);
+        tokenizer.addTerminator("}", PRESERVE);
+        tokenizer.addTerminator("(", PRESERVE);
+        tokenizer.addTerminator(")", PRESERVE);
+        tokenizer.addTerminator("[", PRESERVE);
+        tokenizer.addTerminator("]", PRESERVE);
+        tokenizer.addTerminator("<", PRESERVE);
+        tokenizer.addTerminator(">", PRESERVE);
+        tokenizer.addTerminator(",", PRESERVE);
+        tokenizer.addTerminator("@", PRESERVE);
 
         // comments
-        tokenizer.addTerminator("//", "\n", true);
-        tokenizer.addTerminator("/*", "*/", true);
+        tokenizer.addTerminator("//", "\n", DROP);
+        tokenizer.addTerminator("/*", "*/", DROP);
 
         final Modifiers modifiers = new Modifiers();
 
@@ -129,7 +134,7 @@ public class JavaFile {
 
         imports.add(imp);
 
-        tokenizer.expectNextToken(";");
+        tokenizer.expectAndConsumeNextToken(";");
     }
 
     private void parseInterface(final Tokenizer tokenizer)
@@ -148,29 +153,10 @@ public class JavaFile {
 
         packageName = match.token;
 
-        tokenizer.expectNextToken(";");
-    }
-
-    private void readFile() throws IOException {
-        InputStreamReader inputStream = new InputStreamReader(new FileInputStream(file), UTF_8);
-
-        final BufferedReader bufferedReader = new BufferedReader(inputStream);
-
-        while (true) {
-            final String line = bufferedReader.readLine();
-
-            if (line == null)
-                break;
-
-            contents.append(line);
-            contents.append("\n");
-        }
-
-        bufferedReader.close();
-        inputStream.close();
+        tokenizer.expectAndConsumeNextToken(";");
     }
 
-    public void skipUntilSemicolon(final Tokenizer tokenizer) {
+    public void skipUntilSemicolon(final Tokenizer tokenizer) throws InvalidSyntaxException {
         while (true) {
             final TokenizerMatch token = tokenizer.getNextToken();