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@@ -1,132 +0,0 @@
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-/*******************************************************************************
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- * Copyright (c) 2016 Sebastian Stenzel and others.
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- * This file is licensed under the terms of the MIT license.
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- * See the LICENSE.txt file for more info.
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- *
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- * Contributors:
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- * Sebastian Stenzel - initial API and implementation
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- *******************************************************************************/
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-package org.cryptomator.logging;
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-
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-import java.io.IOException;
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-import java.io.Serializable;
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-import java.net.URISyntaxException;
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-import java.nio.file.FileSystems;
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-import java.nio.file.Files;
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-import java.nio.file.Path;
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-import java.util.regex.Pattern;
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-
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-import org.apache.commons.lang3.SystemUtils;
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-import org.apache.logging.log4j.core.Appender;
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-import org.apache.logging.log4j.core.Core;
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-import org.apache.logging.log4j.core.Filter;
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-import org.apache.logging.log4j.core.Layout;
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-import org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender;
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-import org.apache.logging.log4j.core.appender.FileManager;
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-import org.apache.logging.log4j.core.config.plugins.Plugin;
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-import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute;
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-import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory;
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-import org.apache.logging.log4j.core.config.plugins.validation.constraints.Required;
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-import org.apache.logging.log4j.util.Strings;
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-
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-/**
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- * A preconfigured FileAppender only relying on a configurable system property, e.g. <code>-Dcryptomator.logPath=/var/log/cryptomator.log</code>.<br/>
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- * Other than the normal {@link org.apache.logging.log4j.core.appender.FileAppender} paths can be resolved relative to the users home directory.
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- */
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-@Plugin(name = ConfigurableFileAppender.PLUGIN_NAME, category = Core.CATEGORY_NAME, elementType = Appender.ELEMENT_TYPE, printObject = true)
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-public class ConfigurableFileAppender extends AbstractOutputStreamAppender<FileManager> {
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-
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- static final String PLUGIN_NAME = "ConfigurableFile";
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- private static final Pattern DRIVE_LETTER_WITH_PRECEEDING_SLASH = Pattern.compile("^/[A-Z]:", Pattern.CASE_INSENSITIVE);
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-
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- private ConfigurableFileAppender(String name, Layout<? extends Serializable> layout, Filter filter, boolean ignoreExceptions, boolean immediateFlush, FileManager manager) {
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- super(name, layout, filter, ignoreExceptions, immediateFlush, manager);
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- LOGGER.info("Logging to " + manager.getFileName());
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- }
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-
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- @PluginBuilderFactory
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- public static <B extends Builder<B>> B newBuilder() {
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- return new Builder<B>().asBuilder();
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- }
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-
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- /**
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- * Builds ConfigurableFileAppender instances.
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- *
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- * @param <B>
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- * The type to build
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- */
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- public static class Builder<B extends Builder<B>> extends AbstractOutputStreamAppender.Builder<B> //
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- implements org.apache.logging.log4j.core.util.Builder<ConfigurableFileAppender> {
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-
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- @Required(message = "No system property name containing the log file path provided.")
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- @PluginBuilderAttribute("pathPropertyName")
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- private String pathPropertyName;
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-
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- @PluginBuilderAttribute
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- private boolean append = true;
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-
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- @Override
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- public ConfigurableFileAppender build() {
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- final String pathProperty = System.getProperty(pathPropertyName);
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- if (Strings.isEmpty(pathProperty)) {
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- LOGGER.warn("No log file location provided in system property \"" + pathPropertyName + "\"");
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- return null;
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- }
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-
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- final Path filePath = parsePath(pathProperty);
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- if (filePath == null) {
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- LOGGER.warn("Invalid path \"" + pathProperty + "\"");
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- return null;
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- }
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-
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- if (!Files.exists(filePath.getParent())) {
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- try {
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- Files.createDirectories(filePath.getParent());
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- } catch (IOException e) {
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- LOGGER.error("Could not create parent directories for log file located at " + filePath.toString(), e);
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- return null;
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- }
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- }
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-
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- FileManager manager = FileManager.getFileManager(filePath.toString(), append, false, isBufferedIo(), true, null, getOrCreateLayout(), getBufferSize(), getConfiguration());
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- return new ConfigurableFileAppender(getName(), getLayout(), getFilter(), isIgnoreExceptions(), isImmediateFlush(), manager);
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- }
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-
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- public B withPathPropertyName(String pathPropertyName) {
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- this.pathPropertyName = pathPropertyName;
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- return asBuilder();
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- }
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-
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- public B withAppend(boolean append) {
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- this.append = append;
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- return asBuilder();
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- }
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-
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- }
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-
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- private static Path parsePath(String path) {
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- if (path.startsWith("~/")) {
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- // home-dir-relative Path:
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- final Path userHome = FileSystems.getDefault().getPath(SystemUtils.USER_HOME);
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- return userHome.resolve(path.substring(2));
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- } else if (path.startsWith("/")) {
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- // absolute Path:
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- return FileSystems.getDefault().getPath(path);
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- } else {
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- // relative Path:
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- try {
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- String jarFileLocation = ConfigurableFileAppender.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath();
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- if (SystemUtils.IS_OS_WINDOWS && DRIVE_LETTER_WITH_PRECEEDING_SLASH.matcher(jarFileLocation).find()) {
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- // on windows we need to remove a preceeding slash from "/C:/foo/bar":
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- jarFileLocation = jarFileLocation.substring(1);
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- }
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- final Path workingDir = FileSystems.getDefault().getPath(jarFileLocation).getParent();
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- return workingDir.resolve(path);
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- } catch (URISyntaxException e) {
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- LOGGER.error("Unable to resolve working directory ", e);
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- return null;
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- }
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- }
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- }
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-
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-}
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Sebastian Stenzel