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package org.apache.maven.artifact.repository;
/*
* 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.
*/
import java.util.Calendar;
import java.util.Date;
/**
* Describes a set of policies for a repository to use under certain conditions.
*
* @author <a href="mailto:brett@apache.org">Brett Porter</a>
*/
public class ArtifactRepositoryPolicy
{
public static final String UPDATE_POLICY_NEVER = "never";
public static final String UPDATE_POLICY_ALWAYS = "always";
public static final String UPDATE_POLICY_DAILY = "daily";
public static final String UPDATE_POLICY_INTERVAL = "interval";
public static final String CHECKSUM_POLICY_FAIL = "fail";
public static final String CHECKSUM_POLICY_WARN = "warn";
public static final String CHECKSUM_POLICY_IGNORE = "ignore";
private boolean enabled;
private String updatePolicy;
private String checksumPolicy;
public ArtifactRepositoryPolicy()
{
this( true, null, null );
}
public ArtifactRepositoryPolicy( ArtifactRepositoryPolicy policy )
{
this( policy.isEnabled(), policy.getUpdatePolicy(), policy.getChecksumPolicy() );
}
public ArtifactRepositoryPolicy( boolean enabled, String updatePolicy, String checksumPolicy )
{
this.enabled = enabled;
if ( updatePolicy == null )
{
updatePolicy = UPDATE_POLICY_DAILY;
}
this.updatePolicy = updatePolicy;
if ( checksumPolicy == null )
{
checksumPolicy = CHECKSUM_POLICY_WARN;
}
this.checksumPolicy = checksumPolicy;
}
public void setEnabled( boolean enabled )
{
this.enabled = enabled;
}
public void setUpdatePolicy( String updatePolicy )
{
if ( updatePolicy != null )
{
this.updatePolicy = updatePolicy;
}
}
public void setChecksumPolicy( String checksumPolicy )
{
if ( checksumPolicy != null )
{
this.checksumPolicy = checksumPolicy;
}
}
public boolean isEnabled()
{
return enabled;
}
public String getUpdatePolicy()
{
return updatePolicy;
}
public String getChecksumPolicy()
{
return checksumPolicy;
}
public boolean checkOutOfDate( Date lastModified )
{
boolean checkForUpdates = false;
if ( UPDATE_POLICY_ALWAYS.equals( updatePolicy ) )
{
checkForUpdates = true;
}
else if ( UPDATE_POLICY_DAILY.equals( updatePolicy ) )
{
// Get local midnight boundary
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 );
if ( cal.getTime().after( lastModified ) )
{
checkForUpdates = true;
}
}
else if ( updatePolicy.startsWith( UPDATE_POLICY_INTERVAL ) )
{
String s = updatePolicy.substring( UPDATE_POLICY_INTERVAL.length() + 1 );
int minutes = Integer.valueOf( s );
Calendar cal = Calendar.getInstance();
cal.add( Calendar.MINUTE, -minutes );
if ( cal.getTime().after( lastModified ) )
{
checkForUpdates = true;
}
}
// else assume "never"
return checkForUpdates;
}
@Override
public String toString()
{
StringBuilder buffer = new StringBuilder( 64 );
buffer.append( "{enabled=" );
buffer.append( enabled );
buffer.append( ", checksums=" );
buffer.append( checksumPolicy );
buffer.append( ", updates=" );
buffer.append( updatePolicy );
buffer.append( "}" );
return buffer.toString();
}
public void merge( ArtifactRepositoryPolicy policy )
{
if ( policy != null && policy.isEnabled() )
{
setEnabled( true );
if ( ordinalOfCksumPolicy( policy.getChecksumPolicy() ) < ordinalOfCksumPolicy( getChecksumPolicy() ) )
{
setChecksumPolicy( policy.getChecksumPolicy() );
}
if ( ordinalOfUpdatePolicy( policy.getUpdatePolicy() ) < ordinalOfUpdatePolicy( getUpdatePolicy() ) )
{
setUpdatePolicy( policy.getUpdatePolicy() );
}
}
}
private int ordinalOfCksumPolicy( String policy )
{
if ( ArtifactRepositoryPolicy.CHECKSUM_POLICY_FAIL.equals( policy ) )
{
return 2;
}
else if ( ArtifactRepositoryPolicy.CHECKSUM_POLICY_IGNORE.equals( policy ) )
{
return 0;
}
else
{
return 1;
}
}
private int ordinalOfUpdatePolicy( String policy )
{
if ( ArtifactRepositoryPolicy.UPDATE_POLICY_DAILY.equals( policy ) )
{
return 1440;
}
else if ( ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS.equals( policy ) )
{
return 0;
}
else if ( policy != null && policy.startsWith( ArtifactRepositoryPolicy.UPDATE_POLICY_INTERVAL ) )
{
String s = policy.substring( UPDATE_POLICY_INTERVAL.length() + 1 );
return Integer.valueOf( s );
}
else
{
return Integer.MAX_VALUE;
}
}
}
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