| /******************************************************************************* |
| * Copyright (c) 2010, 2014 Sonatype, Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Sonatype, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.aether.internal.impl; |
| |
| import java.util.Calendar; |
| |
| import javax.inject.Inject; |
| import javax.inject.Named; |
| |
| import org.eclipse.aether.RepositorySystemSession; |
| import org.eclipse.aether.impl.UpdatePolicyAnalyzer; |
| import org.eclipse.aether.repository.RepositoryPolicy; |
| import org.eclipse.aether.spi.locator.Service; |
| import org.eclipse.aether.spi.locator.ServiceLocator; |
| import org.eclipse.aether.spi.log.Logger; |
| import org.eclipse.aether.spi.log.LoggerFactory; |
| import org.eclipse.aether.spi.log.NullLoggerFactory; |
| |
| /** |
| */ |
| @Named |
| public class DefaultUpdatePolicyAnalyzer |
| implements UpdatePolicyAnalyzer, Service |
| { |
| |
| private Logger logger = NullLoggerFactory.LOGGER; |
| |
| public DefaultUpdatePolicyAnalyzer() |
| { |
| // enables default constructor |
| } |
| |
| @Inject |
| DefaultUpdatePolicyAnalyzer( LoggerFactory loggerFactory ) |
| { |
| setLoggerFactory( loggerFactory ); |
| } |
| |
| public void initService( ServiceLocator locator ) |
| { |
| setLoggerFactory( locator.getService( LoggerFactory.class ) ); |
| } |
| |
| public DefaultUpdatePolicyAnalyzer setLoggerFactory( LoggerFactory loggerFactory ) |
| { |
| this.logger = NullLoggerFactory.getSafeLogger( loggerFactory, getClass() ); |
| return this; |
| } |
| |
| public String getEffectiveUpdatePolicy( RepositorySystemSession session, String policy1, String policy2 ) |
| { |
| return ordinalOfUpdatePolicy( policy1 ) < ordinalOfUpdatePolicy( policy2 ) ? policy1 : policy2; |
| } |
| |
| private int ordinalOfUpdatePolicy( String policy ) |
| { |
| if ( RepositoryPolicy.UPDATE_POLICY_DAILY.equals( policy ) ) |
| { |
| return 1440; |
| } |
| else if ( RepositoryPolicy.UPDATE_POLICY_ALWAYS.equals( policy ) ) |
| { |
| return 0; |
| } |
| else if ( policy != null && policy.startsWith( RepositoryPolicy.UPDATE_POLICY_INTERVAL ) ) |
| { |
| return getMinutes( policy ); |
| } |
| else |
| { |
| // assume "never" |
| return Integer.MAX_VALUE; |
| } |
| } |
| |
| public boolean isUpdatedRequired( RepositorySystemSession session, long lastModified, String policy ) |
| { |
| boolean checkForUpdates; |
| |
| if ( policy == null ) |
| { |
| policy = ""; |
| } |
| |
| if ( RepositoryPolicy.UPDATE_POLICY_ALWAYS.equals( policy ) ) |
| { |
| checkForUpdates = true; |
| } |
| else if ( RepositoryPolicy.UPDATE_POLICY_DAILY.equals( policy ) ) |
| { |
| Calendar cal = Calendar.getInstance(); |
| cal.set( Calendar.HOUR_OF_DAY, 0 ); |
| cal.set( Calendar.MINUTE, 0 ); |
| cal.set( Calendar.SECOND, 0 ); |
| cal.set( Calendar.MILLISECOND, 0 ); |
| |
| checkForUpdates = cal.getTimeInMillis() > lastModified; |
| } |
| else if ( policy.startsWith( RepositoryPolicy.UPDATE_POLICY_INTERVAL ) ) |
| { |
| int minutes = getMinutes( policy ); |
| |
| Calendar cal = Calendar.getInstance(); |
| cal.add( Calendar.MINUTE, -minutes ); |
| |
| checkForUpdates = cal.getTimeInMillis() > lastModified; |
| } |
| else |
| { |
| // assume "never" |
| checkForUpdates = false; |
| |
| if ( !RepositoryPolicy.UPDATE_POLICY_NEVER.equals( policy ) ) |
| { |
| logger.warn( "Unknown repository update policy '" + policy + "', assuming '" |
| + RepositoryPolicy.UPDATE_POLICY_NEVER + "'" ); |
| } |
| } |
| |
| return checkForUpdates; |
| } |
| |
| private int getMinutes( String policy ) |
| { |
| int minutes; |
| try |
| { |
| String s = policy.substring( RepositoryPolicy.UPDATE_POLICY_INTERVAL.length() + 1 ); |
| minutes = Integer.valueOf( s ); |
| } |
| catch ( RuntimeException e ) |
| { |
| minutes = 24 * 60; |
| |
| logger.warn( "Non-parseable repository update policy '" + policy + "', assuming '" |
| + RepositoryPolicy.UPDATE_POLICY_INTERVAL + ":1440'" ); |
| } |
| return minutes; |
| } |
| |
| } |