| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.maven.plugin.coreit; |
| |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStreamWriter; |
| import java.security.DigestInputStream; |
| import java.security.MessageDigest; |
| import java.security.NoSuchAlgorithmException; |
| import java.util.Collection; |
| import java.util.Properties; |
| |
| import org.apache.maven.artifact.Artifact; |
| import org.apache.maven.plugin.AbstractMojo; |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.apache.maven.plugins.annotations.Parameter; |
| import org.apache.maven.project.MavenProject; |
| |
| /** |
| * Provides common services for all mojos of this plugin. |
| * |
| * @author Benjamin Bentmann |
| * |
| */ |
| public abstract class AbstractDependencyMojo extends AbstractMojo { |
| |
| /** |
| * The current Maven project. |
| */ |
| @Parameter(defaultValue = "${project}", required = true, readonly = true) |
| protected MavenProject project; |
| |
| /** |
| * The number of trailing path levels that should be used to denote a class path element. If positive, each class |
| * path element is trimmed down to the specified number of path levels by discarding leading directories, e.g. set |
| * this parameter to 1 to keep only the simple file name. The trimmed down paths will always use the forward slash |
| * as directory separator. For non-positive values, the full/absolute path is returned, using the platform-specific |
| * separator. |
| */ |
| @Parameter(property = "depres.significantPathLevels") |
| private int significantPathLevels; |
| |
| /** |
| * Writes the specified artifacts to the given output file. |
| * |
| * @param pathname The path to the output file, relative to the project base directory, may be <code>null</code> or |
| * empty if the output file should not be written. |
| * @param artifacts The list of artifacts to write to the file, may be <code>null</code>. |
| * @throws MojoExecutionException If the output file could not be written. |
| */ |
| protected void writeArtifacts(String pathname, Collection artifacts) throws MojoExecutionException { |
| if (pathname == null || pathname.length() <= 0) { |
| return; |
| } |
| |
| File file = resolveFile(pathname); |
| |
| getLog().info("[MAVEN-CORE-IT-LOG] Dumping artifact list: " + file); |
| |
| BufferedWriter writer = null; |
| try { |
| file.getParentFile().mkdirs(); |
| |
| writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "UTF-8")); |
| |
| if (artifacts != null) { |
| for (Object artifact1 : artifacts) { |
| Artifact artifact = (Artifact) artifact1; |
| String id = getId(artifact); |
| writer.write(id); |
| String optional = ""; |
| if (artifact.isOptional()) { |
| optional = " (optional)"; |
| writer.write(optional); |
| } |
| writer.newLine(); |
| getLog().info("[MAVEN-CORE-IT-LOG] " + id + optional); |
| } |
| } |
| } catch (IOException e) { |
| throw new MojoExecutionException("Failed to write artifact list", e); |
| } finally { |
| if (writer != null) { |
| try { |
| writer.close(); |
| } catch (IOException e) { |
| // just ignore |
| } |
| } |
| } |
| } |
| |
| private String getId(Artifact artifact) { |
| artifact.isSnapshot(); // decouple from MNG-2961 |
| return artifact.getId(); |
| } |
| |
| /** |
| * Writes the specified class path elements to the given output file. |
| * |
| * @param pathname The path to the output file, relative to the project base directory, may be <code>null</code> or |
| * empty if the output file should not be written. |
| * @param classPath The list of class path elements to write to the file, may be <code>null</code>. |
| * @throws MojoExecutionException If the output file could not be written. |
| */ |
| protected void writeClassPath(String pathname, Collection classPath) throws MojoExecutionException { |
| if (pathname == null || pathname.length() <= 0) { |
| return; |
| } |
| |
| File file = resolveFile(pathname); |
| |
| getLog().info("[MAVEN-CORE-IT-LOG] Dumping class path: " + file); |
| |
| BufferedWriter writer = null; |
| try { |
| file.getParentFile().mkdirs(); |
| |
| writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "UTF-8")); |
| |
| if (classPath != null) { |
| for (Object aClassPath : classPath) { |
| String element = aClassPath.toString(); |
| writer.write(stripLeadingDirs(element, significantPathLevels)); |
| writer.newLine(); |
| getLog().info("[MAVEN-CORE-IT-LOG] " + element); |
| } |
| } |
| } catch (IOException e) { |
| throw new MojoExecutionException("Failed to write class path list", e); |
| } finally { |
| if (writer != null) { |
| try { |
| writer.close(); |
| } catch (IOException e) { |
| // just ignore |
| } |
| } |
| } |
| } |
| |
| protected void writeClassPathChecksums(String pathname, Collection classPath) throws MojoExecutionException { |
| if (pathname == null || pathname.length() <= 0) { |
| return; |
| } |
| |
| File file = resolveFile(pathname); |
| |
| getLog().info("[MAVEN-CORE-IT-LOG] Dumping class path checksums: " + file); |
| |
| Properties checksums = new Properties(); |
| |
| if (classPath != null) { |
| for (Object aClassPath : classPath) { |
| String element = aClassPath.toString(); |
| |
| File jarFile = new File(element); |
| |
| if (!jarFile.isFile()) { |
| getLog().info("[MAVEN-CORE-IT-LOG] ( no file ) < " + element); |
| continue; |
| } |
| |
| String key = stripLeadingDirs(element, significantPathLevels); |
| |
| String hash; |
| try { |
| hash = calcChecksum(jarFile); |
| } catch (NoSuchAlgorithmException e) { |
| throw new MojoExecutionException("Failed to lookup message digest", e); |
| } catch (IOException e) { |
| throw new MojoExecutionException("Failed to calculate checksum for " + jarFile, e); |
| } |
| |
| checksums.setProperty(key, hash); |
| |
| getLog().info("[MAVEN-CORE-IT-LOG] " + hash + " < " + element); |
| } |
| } |
| |
| FileOutputStream os = null; |
| try { |
| file.getParentFile().mkdirs(); |
| |
| os = new FileOutputStream(file); |
| |
| checksums.store(os, "MAVEN-CORE-IT"); |
| } catch (IOException e) { |
| throw new MojoExecutionException("Failed to write class path checksums", e); |
| } finally { |
| if (os != null) { |
| try { |
| os.close(); |
| } catch (IOException e) { |
| // just ignore |
| } |
| } |
| } |
| } |
| |
| private String calcChecksum(File jarFile) throws IOException, NoSuchAlgorithmException { |
| MessageDigest digester = MessageDigest.getInstance("SHA-1"); |
| |
| try (FileInputStream is = new FileInputStream(jarFile)) { |
| DigestInputStream dis = new DigestInputStream(is, digester); |
| |
| for (byte[] buffer = new byte[1024 * 4]; dis.read(buffer) >= 0; ) { |
| // just read it |
| } |
| } |
| |
| byte[] digest = digester.digest(); |
| |
| StringBuilder hash = new StringBuilder(digest.length * 2); |
| |
| for (byte aDigest : digest) { |
| @SuppressWarnings("checkstyle:magicnumber") |
| int b = aDigest & 0xFF; |
| |
| if (b < 0x10) { |
| hash.append('0'); |
| } |
| |
| hash.append(Integer.toHexString(b)); |
| } |
| |
| return hash.toString(); |
| } |
| |
| private String stripLeadingDirs(String path, int significantPathLevels) { |
| String result; |
| if (significantPathLevels > 0) { |
| result = ""; |
| File file = new File(path); |
| for (int i = 0; i < significantPathLevels && file != null; i++) { |
| if (result.length() > 0) { |
| // NOTE: Always use forward slash here to ease platform-independent testing |
| result = '/' + result; |
| } |
| result = file.getName() + result; |
| file = file.getParentFile(); |
| } |
| } else { |
| result = path; |
| } |
| return result; |
| } |
| |
| // NOTE: We don't want to test path translation here so resolve relative path manually for robustness |
| private File resolveFile(String pathname) { |
| File file = null; |
| |
| if (pathname != null) { |
| if (pathname.contains("@idx@")) { |
| // helps to distinguished forked executions of the same mojo |
| pathname = pathname.replaceAll("@idx@", String.valueOf(nextCounter())); |
| } |
| |
| file = new File(pathname); |
| |
| if (!file.isAbsolute()) { |
| file = new File(project.getBasedir(), pathname); |
| } |
| } |
| |
| return file; |
| } |
| |
| private int nextCounter() { |
| int counter = 0; |
| |
| String key = getClass().getName(); |
| |
| synchronized (System.class) { |
| counter = Integer.getInteger(key, 0); |
| System.setProperty(key, Integer.toString(counter + 1)); |
| } |
| |
| return counter; |
| } |
| } |