test.SourceVisitor.java Source code

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Here is the source code for test.SourceVisitor.java

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/*
 * Copyright 2015 zhanhb.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package test;

import com.google.common.base.Strings;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.UncheckedIOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.stream.Collectors;
import org.junit.jupiter.api.Test;
import org.junit.platform.runner.JUnitPlatform;
import org.junit.runner.RunWith;

/**
 * @author zhanhb
 */
@RunWith(JUnitPlatform.class)
public class SourceVisitor {

    @SuppressWarnings("UseOfSystemOutOrSystemErr")
    @Test
    public void test() throws IOException {
        try (PrintStream target = new PrintStream("target/test.txt", "ISO-8859-1")) {
            String dashes = Strings.repeat("-", 45);
            StringWriter sw = new StringWriter();
            PrintWriter out = new PrintWriter(sw);
            Files.walk(Paths.get("src/main"))
                    .filter(path -> path.getFileName().toString().matches(".*\\.(html|jspx?)")).forEach(path -> {
                        try {
                            String string = new String(Files.readAllBytes(path), StandardCharsets.ISO_8859_1);
                            string = string.replaceFirst(
                                    "/\\*[\000-\uFFFF]+?org/licenses/LICENSE[\000-\uFFFF]+?\\*/\r?\n?", "");
                            string = string
                                    .replaceFirst("\r?\n?/\\*[\000-\uFFFF]+?@author zhanhb[\000-\uFFFF]+?\\*/", "");
                            out.println(dashes + path.getFileName() + dashes);
                            out.println(string);
                        } catch (IOException ex) {
                            throw new UncheckedIOException(ex);
                        }
                    });
            Files.walk(Paths.get("src/main")).filter(path -> path.getFileName().toString().endsWith(".java"))
                    .filter(path -> !path.getFileName().toString().equals("package-info.java")).forEach(path -> {
                        try {
                            String string = new String(Files.readAllBytes(path), StandardCharsets.ISO_8859_1);
                            if (!string.contains("@author zhanhb")) {
                                System.err.println(path);
                                return;
                            }
                            string = string.replaceFirst(
                                    "/\\*[\000-\uFFFF]+?org/licenses/LICENSE[\000-\uFFFF]+?\\*/\r?\n?", "");
                            string = string
                                    .replaceFirst("\r?\n?/\\*[\000-\uFFFF]+?@author zhanhb[\000-\uFFFF]+?\\*/", "");
                            out.println(dashes + path.getFileName() + dashes);
                            out.println(string);
                        } catch (IOException ex) {
                            throw new UncheckedIOException(ex);
                        }
                    });
            out.flush();
            String s = new BufferedReader(new StringReader(sw.toString())).lines()
                    .filter(str -> !str.startsWith("import ")).filter(str -> !str.startsWith("package "))
                    .collect(Collectors.joining("\n"));
            target.print(s.replaceAll(dashes + "(\\r?\\n)+", dashes + "\\\n"));
        }
    }

}