| /* |
| * 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.repository.legacy; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.RandomAccessFile; |
| import java.nio.channels.Channels; |
| import java.nio.channels.FileChannel; |
| import java.nio.channels.FileLock; |
| import java.util.Date; |
| import java.util.Properties; |
| |
| import org.apache.maven.artifact.Artifact; |
| import org.apache.maven.artifact.repository.ArtifactRepository; |
| import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy; |
| import org.apache.maven.artifact.repository.Authentication; |
| import org.apache.maven.artifact.repository.metadata.RepositoryMetadata; |
| import org.apache.maven.repository.Proxy; |
| import org.codehaus.plexus.logging.AbstractLogEnabled; |
| import org.codehaus.plexus.logging.Logger; |
| |
| /** |
| * DefaultUpdateCheckManager |
| */ |
| @Named |
| @Singleton |
| @Deprecated |
| public class DefaultUpdateCheckManager extends AbstractLogEnabled implements UpdateCheckManager { |
| |
| private static final String ERROR_KEY_SUFFIX = ".error"; |
| |
| public DefaultUpdateCheckManager() {} |
| |
| public DefaultUpdateCheckManager(Logger logger) { |
| enableLogging(logger); |
| } |
| |
| public static final String LAST_UPDATE_TAG = ".lastUpdated"; |
| |
| private static final String TOUCHFILE_NAME = "resolver-status.properties"; |
| |
| public boolean isUpdateRequired(Artifact artifact, ArtifactRepository repository) { |
| File file = artifact.getFile(); |
| |
| ArtifactRepositoryPolicy policy = artifact.isSnapshot() ? repository.getSnapshots() : repository.getReleases(); |
| |
| if (!policy.isEnabled()) { |
| if (getLogger().isDebugEnabled()) { |
| getLogger() |
| .debug("Skipping update check for " + artifact + " (" + file + ") from " + repository.getId() |
| + " (" + repository.getUrl() + ")"); |
| } |
| |
| return false; |
| } |
| |
| if (getLogger().isDebugEnabled()) { |
| getLogger() |
| .debug("Determining update check for " + artifact + " (" + file + ") from " + repository.getId() |
| + " (" + repository.getUrl() + ")"); |
| } |
| |
| if (file == null) { |
| // TODO throw something instead? |
| return true; |
| } |
| |
| Date lastCheckDate; |
| |
| if (file.exists()) { |
| lastCheckDate = new Date(file.lastModified()); |
| } else { |
| File touchfile = getTouchfile(artifact); |
| lastCheckDate = readLastUpdated(touchfile, getRepositoryKey(repository)); |
| } |
| |
| return (lastCheckDate == null) || policy.checkOutOfDate(lastCheckDate); |
| } |
| |
| public boolean isUpdateRequired(RepositoryMetadata metadata, ArtifactRepository repository, File file) { |
| // Here, we need to determine which policy to use. Release updateInterval will be used when |
| // the metadata refers to a release artifact or meta-version, and snapshot updateInterval will be used when |
| // it refers to a snapshot artifact or meta-version. |
| // NOTE: Release metadata includes version information about artifacts that have been released, to allow |
| // meta-versions like RELEASE and LATEST to resolve, and also to allow retrieval of the range of valid, released |
| // artifacts available. |
| ArtifactRepositoryPolicy policy = metadata.getPolicy(repository); |
| |
| if (!policy.isEnabled()) { |
| if (getLogger().isDebugEnabled()) { |
| getLogger() |
| .debug("Skipping update check for " + metadata.getKey() + " (" + file + ") from " |
| + repository.getId() + " (" + repository.getUrl() + ")"); |
| } |
| |
| return false; |
| } |
| |
| if (getLogger().isDebugEnabled()) { |
| getLogger() |
| .debug("Determining update check for " + metadata.getKey() + " (" + file + ") from " |
| + repository.getId() + " (" + repository.getUrl() + ")"); |
| } |
| |
| if (file == null) { |
| // TODO throw something instead? |
| return true; |
| } |
| |
| Date lastCheckDate = readLastUpdated(metadata, repository, file); |
| |
| return (lastCheckDate == null) || policy.checkOutOfDate(lastCheckDate); |
| } |
| |
| private Date readLastUpdated(RepositoryMetadata metadata, ArtifactRepository repository, File file) { |
| File touchfile = getTouchfile(metadata, file); |
| |
| String key = getMetadataKey(repository, file); |
| |
| return readLastUpdated(touchfile, key); |
| } |
| |
| public String getError(Artifact artifact, ArtifactRepository repository) { |
| File touchFile = getTouchfile(artifact); |
| return getError(touchFile, getRepositoryKey(repository)); |
| } |
| |
| public void touch(Artifact artifact, ArtifactRepository repository, String error) { |
| File file = artifact.getFile(); |
| |
| File touchfile = getTouchfile(artifact); |
| |
| if (file.exists()) { |
| touchfile.delete(); |
| } else { |
| writeLastUpdated(touchfile, getRepositoryKey(repository), error); |
| } |
| } |
| |
| public void touch(RepositoryMetadata metadata, ArtifactRepository repository, File file) { |
| File touchfile = getTouchfile(metadata, file); |
| |
| String key = getMetadataKey(repository, file); |
| |
| writeLastUpdated(touchfile, key, null); |
| } |
| |
| String getMetadataKey(ArtifactRepository repository, File file) { |
| return repository.getId() + '.' + file.getName() + LAST_UPDATE_TAG; |
| } |
| |
| String getRepositoryKey(ArtifactRepository repository) { |
| StringBuilder buffer = new StringBuilder(256); |
| |
| Proxy proxy = repository.getProxy(); |
| if (proxy != null) { |
| if (proxy.getUserName() != null) { |
| int hash = (proxy.getUserName() + proxy.getPassword()).hashCode(); |
| buffer.append(hash).append('@'); |
| } |
| buffer.append(proxy.getHost()).append(':').append(proxy.getPort()).append('>'); |
| } |
| |
| // consider the username&password because a repo manager might block artifacts depending on authorization |
| Authentication auth = repository.getAuthentication(); |
| if (auth != null) { |
| int hash = (auth.getUsername() + auth.getPassword()).hashCode(); |
| buffer.append(hash).append('@'); |
| } |
| |
| // consider the URL (instead of the id) as this most closely relates to the contents in the repo |
| buffer.append(repository.getUrl()); |
| |
| return buffer.toString(); |
| } |
| |
| private void writeLastUpdated(File touchfile, String key, String error) { |
| synchronized (touchfile.getAbsolutePath().intern()) { |
| if (!touchfile.getParentFile().exists() |
| && !touchfile.getParentFile().mkdirs()) { |
| getLogger() |
| .debug("Failed to create directory: " + touchfile.getParent() |
| + " for tracking artifact metadata resolution."); |
| return; |
| } |
| |
| FileChannel channel = null; |
| FileLock lock = null; |
| try { |
| Properties props = new Properties(); |
| |
| channel = new RandomAccessFile(touchfile, "rw").getChannel(); |
| lock = channel.lock(); |
| |
| if (touchfile.canRead()) { |
| getLogger().debug("Reading resolution-state from: " + touchfile); |
| props.load(Channels.newInputStream(channel)); |
| } |
| |
| props.setProperty(key, Long.toString(System.currentTimeMillis())); |
| |
| if (error != null) { |
| props.setProperty(key + ERROR_KEY_SUFFIX, error); |
| } else { |
| props.remove(key + ERROR_KEY_SUFFIX); |
| } |
| |
| getLogger().debug("Writing resolution-state to: " + touchfile); |
| channel.truncate(0); |
| props.store(Channels.newOutputStream(channel), "Last modified on: " + new Date()); |
| |
| lock.release(); |
| lock = null; |
| |
| channel.close(); |
| channel = null; |
| } catch (IOException e) { |
| getLogger() |
| .debug( |
| "Failed to record lastUpdated information for resolution.\nFile: " |
| + touchfile.toString() + "; key: " + key, |
| e); |
| } finally { |
| if (lock != null) { |
| try { |
| lock.release(); |
| } catch (IOException e) { |
| getLogger() |
| .debug("Error releasing exclusive lock for resolution tracking file: " + touchfile, e); |
| } |
| } |
| |
| if (channel != null) { |
| try { |
| channel.close(); |
| } catch (IOException e) { |
| getLogger().debug("Error closing FileChannel for resolution tracking file: " + touchfile, e); |
| } |
| } |
| } |
| } |
| } |
| |
| Date readLastUpdated(File touchfile, String key) { |
| getLogger().debug("Searching for " + key + " in resolution tracking file."); |
| |
| Properties props = read(touchfile); |
| if (props != null) { |
| String rawVal = props.getProperty(key); |
| if (rawVal != null) { |
| try { |
| return new Date(Long.parseLong(rawVal)); |
| } catch (NumberFormatException e) { |
| getLogger().debug("Cannot parse lastUpdated date: '" + rawVal + "'. Ignoring.", e); |
| } |
| } |
| } |
| return null; |
| } |
| |
| private String getError(File touchFile, String key) { |
| Properties props = read(touchFile); |
| if (props != null) { |
| return props.getProperty(key + ERROR_KEY_SUFFIX); |
| } |
| return null; |
| } |
| |
| private Properties read(File touchfile) { |
| if (!touchfile.canRead()) { |
| getLogger().debug("Skipped unreadable resolution tracking file: " + touchfile); |
| return null; |
| } |
| |
| synchronized (touchfile.getAbsolutePath().intern()) { |
| try { |
| Properties props = new Properties(); |
| |
| try (FileInputStream in = new FileInputStream(touchfile)) { |
| try (FileLock lock = in.getChannel().lock(0, Long.MAX_VALUE, true)) { |
| getLogger().debug("Reading resolution-state from: " + touchfile); |
| props.load(in); |
| |
| return props; |
| } |
| } |
| |
| } catch (IOException e) { |
| getLogger().debug("Failed to read resolution tracking file: " + touchfile, e); |
| |
| return null; |
| } |
| } |
| } |
| |
| File getTouchfile(Artifact artifact) { |
| StringBuilder sb = new StringBuilder(128); |
| sb.append(artifact.getArtifactId()); |
| sb.append('-').append(artifact.getBaseVersion()); |
| if (artifact.getClassifier() != null) { |
| sb.append('-').append(artifact.getClassifier()); |
| } |
| sb.append('.').append(artifact.getType()).append(LAST_UPDATE_TAG); |
| return new File(artifact.getFile().getParentFile(), sb.toString()); |
| } |
| |
| File getTouchfile(RepositoryMetadata metadata, File file) { |
| return new File(file.getParent(), TOUCHFILE_NAME); |
| } |
| } |