com.liferay.source.formatter.checks.GradleDependenciesCheck Maven / Gradle / Ivy

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Liferay Source Formatter
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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.source.formatter.checks;

import com.liferay.petra.string.CharPool;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.tools.ToolsUtil;
import com.liferay.source.formatter.checks.util.SourceUtil;

import java.io.File;
import java.io.Serializable;

import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author Hugo Huijser
 * @author Peter Shin
 */
public class GradleDependenciesCheck extends BaseFileCheck {

	@Override
	protected String doProcess(
		String fileName, String absolutePath, String content) {

		for (String dependencies : _getDependenciesBlocks(content)) {
			content = _formatDependencies(absolutePath, content, dependencies);
		}

		return content;
	}

	private String _formatDependencies(
		String absolutePath, String content, String dependencies) {

		String indent = SourceUtil.getIndent(dependencies);

		int x = dependencies.indexOf("\n");
		int y = dependencies.lastIndexOf("\n");

		if (x == y) {
			return content;
		}

		dependencies = dependencies.substring(x, y + 1);

		Matcher matcher = _incorrectWhitespacePattern.matcher(dependencies);

		while (matcher.find()) {
			if (!ToolsUtil.isInsideQuotes(dependencies, matcher.start())) {
				String newDependencies = StringUtil.insert(
					dependencies, StringPool.SPACE, matcher.end() - 1);

				return StringUtil.replace(
					content, dependencies, newDependencies);
			}
		}

		if (dependencies.contains(StringPool.APOSTROPHE)) {
			String newDependencies = StringUtil.replace(
				dependencies, CharPool.APOSTROPHE, CharPool.QUOTE);

			return StringUtil.replace(content, dependencies, newDependencies);
		}

		Set uniqueDependencies = new TreeSet<>(
			new GradleDependencyComparator());

		for (String dependency : StringUtil.splitLines(dependencies)) {
			dependency = dependency.trim();

			if (Validator.isNull(dependency)) {
				continue;
			}

			matcher = _incorrectGroupNameVersionPattern.matcher(dependency);

			if (matcher.find()) {
				StringBundler sb = new StringBundler(9);

				sb.append(matcher.group(1));
				sb.append(" group: \"");
				sb.append(matcher.group(2));
				sb.append("\", name: \"");
				sb.append(matcher.group(3));
				sb.append("\", version: \"");
				sb.append(matcher.group(4));
				sb.append("\"");
				sb.append(matcher.group(5));

				dependency = sb.toString();
			}

			uniqueDependencies.add(dependency);
		}

		StringBundler sb = new StringBundler();

		String previousConfiguration = null;

		for (String dependency : uniqueDependencies) {
			String configuration = _getConfiguration(dependency);

			if (isModulesApp(absolutePath, false) &&
				_hasBNDFile(absolutePath)) {

				if (configuration.equals("compile")) {
					dependency = StringUtil.replaceFirst(
						dependency, "compile", "provided");
				}
				else if (configuration.equals("provided")) {
					dependency = StringUtil.removeSubstrings(
						dependency, "transitive: false, ", "transitive: true,");
				}
			}

			if ((previousConfiguration == null) ||
				!previousConfiguration.equals(configuration)) {

				previousConfiguration = configuration;

				sb.append("\n");
			}

			sb.append(indent);
			sb.append("\t");
			sb.append(dependency);
			sb.append("\n");
		}

		return StringUtil.replace(content, dependencies, sb.toString());
	}

	private String _getConfiguration(String dependency) {
		int pos = dependency.indexOf(StringPool.SPACE);

		if (pos != -1) {
			return dependency.substring(0, pos);
		}

		return dependency;
	}

	private List _getDependenciesBlocks(String content) {
		List dependenciesBlocks = new ArrayList<>();

		Matcher matcher = _dependenciesPattern.matcher(content);

		while (matcher.find()) {
			int y = matcher.start();

			while (true) {
				y = content.indexOf("}", y + 1);

				if (y == -1) {
					return dependenciesBlocks;
				}

				String dependencies = content.substring(
					matcher.start(2), y + 1);

				int level = getLevel(dependencies, "{", "}");

				if (level == 0) {
					if (!dependencies.contains("}\n")) {
						dependenciesBlocks.add(dependencies);
					}

					break;
				}
			}
		}

		return dependenciesBlocks;
	}

	private boolean _hasBNDFile(String absolutePath) {
		if (!absolutePath.endsWith("/build.gradle")) {
			return false;
		}

		int pos = absolutePath.lastIndexOf(StringPool.SLASH);

		File file = new File(absolutePath.substring(0, pos + 1) + "bnd.bnd");

		return file.exists();
	}

	private final Pattern _dependenciesPattern = Pattern.compile(
		"(\n|\\A)(\t*)dependencies \\{\n");
	private final Pattern _incorrectGroupNameVersionPattern = Pattern.compile(
		"(^[^\\s]+)\\s+\"([^:]+?):([^:]+?):([^\"]+?)\"(.*?)", Pattern.DOTALL);
	private final Pattern _incorrectWhitespacePattern = Pattern.compile(
		":[^ \n]");

	private class GradleDependencyComparator
		implements Comparator, Serializable {

		@Override
		public int compare(String dependency1, String dependency2) {
			String configuration1 = _getConfiguration(dependency1);
			String configuration2 = _getConfiguration(dependency2);

			if (!configuration1.equals(configuration2)) {
				return dependency1.compareTo(dependency2);
			}

			String group1 = _getPropertyValue(dependency1, "group");
			String group2 = _getPropertyValue(dependency2, "group");

			if ((group1 != null) && group1.equals(group2)) {
				String name1 = _getPropertyValue(dependency1, "name");
				String name2 = _getPropertyValue(dependency2, "name");

				if ((name1 != null) && name1.equals(name2)) {
					return 0;
				}
			}

			return dependency1.compareTo(dependency2);
		}

		private String _getPropertyValue(
			String dependency, String propertyName) {

			Pattern pattern = Pattern.compile(
				".* " + propertyName + ": \"(.+?)\"");

			Matcher matcher = pattern.matcher(dependency);

			if (matcher.find()) {
				return matcher.group(1);
			}

			return null;
		}

	}

}