65 lines
2.0 KiB
Java
65 lines
2.0 KiB
Java
package utils;
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import java.io.IOException;
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import java.nio.charset.Charset;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.nio.file.StandardOpenOption;
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import java.util.List;
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import java.util.Map;
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/**
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* Utility class for reading from and writing to files.
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*/
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public final class FileUtils {
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private final static Charset CHARSET = Charset.forName("utf-8");
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private FileUtils() {
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}
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public static void generateFileFromTemplate(String templateFile, String destinationFile, Map<String, Object> tags) {
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String template = readFromFile(templateFile);
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String result = TagReplacer.applyReplacements(template, tags);
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writeToFile(destinationFile, result);
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}
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private static void writeToFile(String outputFile, String contents) {
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try {
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Files.write(Paths.get(outputFile), contents.getBytes());
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} catch (IOException e) {
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throw new RuntimeException("Failed to write to file '" + outputFile + "'", e);
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}
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}
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public static void appendToFile(String outputFile, String contents) {
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try {
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Files.write(Paths.get(outputFile), contents.getBytes(), StandardOpenOption.APPEND);
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} catch (IOException e) {
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throw new RuntimeException("Failed to append to file '" + outputFile + "'", e);
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}
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}
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public static String readFromFile(String file) {
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try {
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return new String(Files.readAllBytes(Paths.get(file)), CHARSET);
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} catch (IOException e) {
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throw new RuntimeException("Could not read from file '" + file + "'", e);
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}
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}
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public static List<String> readLinesFromFile(String file) {
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try {
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return Files.readAllLines(Paths.get(file), CHARSET);
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} catch (IOException e) {
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throw new RuntimeException("Could not read from file '" + file + "'", e);
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}
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}
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public static String readFromToolsFile(String file) {
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return readFromFile(ToolsConstants.TOOLS_SOURCE_ROOT + file);
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}
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}
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