/*
* 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.
package eu.svjatoslav.inspector.java.methods;
-import java.io.BufferedReader;
+import eu.svjatoslav.commons.string.tokenizer.InvalidSyntaxException;
+import eu.svjatoslav.commons.string.tokenizer.Tokenizer;
+import eu.svjatoslav.commons.string.tokenizer.TokenizerMatch;
+
import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
-import eu.svjatoslav.commons.string.tokenizer.InvalidSyntaxException;
-import eu.svjatoslav.commons.string.tokenizer.Tokenizer;
-import eu.svjatoslav.commons.string.tokenizer.TokenizerMatch;
+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 {
- private final List<Import> imports = new ArrayList<Import>();
-
- private String packageName;
-
- private final File file;
-
- StringBuffer contents = new StringBuffer();
-
- public List<Clazz> classes = new ArrayList<Clazz>();
-
- public JavaFile(final File file) throws IOException, InvalidSyntaxException {
- this.file = file;
- parse();
- }
-
- public void parse() throws IOException, InvalidSyntaxException {
- System.out.println("java file: " + file);
-
- readFile();
-
- final Tokenizer tokenizer = new Tokenizer(contents.toString());
-
- // 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);
-
- // comments
- tokenizer.addTerminator("//", "\n", true);
- tokenizer.addTerminator("/*", "*/", true);
-
- final Modifiers modifiers = new Modifiers();
-
- while (true) {
- final TokenizerMatch match = tokenizer.getNextToken();
- if (match == null)
- break;
-
- if (match.token.equals("package")) {
- parsePackage(tokenizer);
- continue;
- }
-
- if (match.token.equals("import")) {
- parseImport(tokenizer);
- continue;
- }
+ public static final String UTF_8 = "UTF-8";
+ public final List<Clazz> classes = new ArrayList<>();
+ String contents;
+ private final List<Import> imports = new ArrayList<>();
+ private final File file;
+ private String packageName;
+
+ public JavaFile(final File file) throws IOException, InvalidSyntaxException {
+ this.file = file;
+ parse();
+ }
+
+ public void parse() throws IOException, InvalidSyntaxException {
+ System.out.println("java file: " + file);
+
+ contents = getFileContentsAsString(file);
- final boolean wasModifier = modifiers.parseModifier(match.token);
- if (wasModifier)
- continue;
+ final Tokenizer tokenizer = new Tokenizer(contents);
+
+ // empty space
+ 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);
- if ("class".equals(match.token)) {
- parseClass(tokenizer);
- continue;
- }
+ // comments
+ tokenizer.addTerminator("//", "\n", DROP);
+ tokenizer.addTerminator("/*", "*/", DROP);
- if ("interface".equals(match.token)) {
- parseInterface(tokenizer);
- continue;
- }
+ final Modifiers modifiers = new Modifiers();
- if ("@".equals(match.token)) {
- final Annotation annotation = new Annotation(tokenizer);
- continue;
- }
+ while (true) {
+ final TokenizerMatch match = tokenizer.getNextToken();
+ if (match == null)
+ break;
- System.out.println(" " + modifiers.toString() + " "
- + match.token);
- modifiers.reset();
- skipUntilSemicolon(tokenizer);
- }
+ if (match.token.equals("package")) {
+ parsePackage(tokenizer);
+ continue;
+ }
- }
+ if (match.token.equals("import")) {
+ parseImport(tokenizer);
+ continue;
+ }
- private void parseClass(final Tokenizer tokenizer)
- throws InvalidSyntaxException {
+ final boolean wasModifier = modifiers.parseModifier(match.token);
+ if (wasModifier)
+ continue;
- final TokenizerMatch match = tokenizer.getNextToken();
- final Clazz clazz = new Clazz(packageName, match.token, tokenizer,
- false);
- // System.out.println(clazz.toString());
- classes.add(clazz);
+ if ("class".equals(match.token)) {
+ parseClass(tokenizer);
+ continue;
+ }
- }
+ if ("interface".equals(match.token)) {
+ parseInterface(tokenizer);
+ continue;
+ }
- private void parseImport(final Tokenizer tokenizer)
- throws InvalidSyntaxException {
+ if ("@".equals(match.token)) {
+ new Annotation(tokenizer);
+ continue;
+ }
- final Import imp = new Import();
+ System.out.println(" " + modifiers.toString() + " "
+ + match.token);
+ modifiers.reset();
+ skipUntilSemicolon(tokenizer);
+ }
- final TokenizerMatch match = tokenizer.getNextToken();
+ }
- if (match.token.equals("static")) {
- imp.isStatic = true;
- imp.path = tokenizer.getNextToken().token;
- } else
- imp.path = match.token;
+ private void parseClass(final Tokenizer tokenizer)
+ throws InvalidSyntaxException {
- imports.add(imp);
+ final TokenizerMatch match = tokenizer.getNextToken();
+ final Clazz clazz = new Clazz(packageName, match.token, tokenizer,
+ false);
+ // System.out.println(clazz.toString());
+ classes.add(clazz);
- tokenizer.expectNextToken(";");
- }
+ }
- private void parseInterface(final Tokenizer tokenizer)
- throws InvalidSyntaxException {
+ private void parseImport(final Tokenizer tokenizer)
+ throws InvalidSyntaxException {
- final TokenizerMatch match = tokenizer.getNextToken();
- final Clazz clazz = new Clazz(packageName, match.token, tokenizer, true);
- // System.out.println(clazz.toString());
- classes.add(clazz);
- }
+ final Import imp = new Import();
- private void parsePackage(final Tokenizer tokenizer)
- throws InvalidSyntaxException {
+ final TokenizerMatch match = tokenizer.getNextToken();
- final TokenizerMatch match = tokenizer.getNextToken();
+ if (match.token.equals("static")) {
+ imp.isStatic = true;
+ imp.path = tokenizer.getNextToken().token;
+ } else
+ imp.path = match.token;
- packageName = match.token;
+ imports.add(imp);
- tokenizer.expectNextToken(";");
- }
+ tokenizer.expectAndConsumeNextToken(";");
+ }
- private void readFile() throws FileNotFoundException, IOException {
- final FileReader fileReader = new FileReader(file);
+ private void parseInterface(final Tokenizer tokenizer)
+ throws InvalidSyntaxException {
- final BufferedReader bufferedReader = new BufferedReader(fileReader);
+ final TokenizerMatch match = tokenizer.getNextToken();
+ final Clazz clazz = new Clazz(packageName, match.token, tokenizer, true);
+ // System.out.println(clazz.toString());
+ classes.add(clazz);
+ }
- while (true) {
- final String line = bufferedReader.readLine();
+ private void parsePackage(final Tokenizer tokenizer)
+ throws InvalidSyntaxException {
- if (line == null)
- break;
+ final TokenizerMatch match = tokenizer.getNextToken();
- contents.append(line);
- contents.append("\n");
- }
+ packageName = match.token;
- bufferedReader.close();
- fileReader.close();
- }
+ tokenizer.expectAndConsumeNextToken(";");
+ }
- public void skipUntilSemicolon(final Tokenizer tokenizer) {
- while (true) {
- final TokenizerMatch token = tokenizer.getNextToken();
+ public void skipUntilSemicolon(final Tokenizer tokenizer) throws InvalidSyntaxException {
+ while (true) {
+ final TokenizerMatch token = tokenizer.getNextToken();
- if (token == null)
- return;
+ if (token == null)
+ return;
- if (token.token.equals(";"))
- return;
- }
- }
+ if (token.token.equals(";"))
+ return;
+ }
+ }
}
projects / javainspect.git / blobdiff