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package org.openslx.taskmanager.tasks;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.openslx.satserver.util.Util;
import org.openslx.taskmanager.api.SystemCommandTask;
public class AptGetUpgradable extends SystemCommandTask
{
private static final Pattern REGEX = Pattern.compile( "^(\\S+)/(\\S+)\\s+(\\S+)\\s.*\\[upgrad.*from:\\s+(\\S+)[,\\]]" );
private final Output status = new Output();
private StringBuilder otherOutput = new StringBuilder();
@Override
protected boolean initTask()
{
this.setStatusObject( status );
this.timeoutSeconds = 25;
return true;
}
@Override
protected String[] initCommandLine()
{
return new String[] { "apt", "list", "--upgradable" };
}
@Override
protected void initEnvironment( Map<String, String> environment )
{
environment.put( "LANG", "C.UTF-8" );
environment.put( "LC_ALL", "C.UTF-8" );
}
@Override
protected boolean processEnded( int exitCode )
{
if ( this.status.packages.isEmpty() && Util.isEmpty( this.status.error ) ) {
this.status.error = this.otherOutput.toString();
}
return exitCode == 0;
}
@Override
protected void processStdOut( String line )
{
Matcher m = REGEX.matcher( line );
if ( m.matches() ) {
status.packages.add( new Package( m.group( 1 ), m.group( 2 ), m.group( 4 ), m.group( 3 ) ) );
} else {
otherOutput.append( line );
otherOutput.append( '\n' );
}
}
@Override
protected void processStdErr( String line )
{
if ( line.isEmpty() || line.contains( "stable CLI interface" ) )
return;
if ( status.error == null ) {
status.error = line;
} else {
status.error += "\n" + line;
}
}
private static class Output
{
public final List<Package> packages = new ArrayList<>();
public String error;
}
@SuppressWarnings( "unused" )
private static class Package
{
public final String name;
public final String source;
public final String newVersion;
public final String oldVersion;
public Package( String name, String source, String oldVersion, String newVersion )
{
this.name = name;
this.source = source;
this.newVersion = newVersion;
this.oldVersion = oldVersion;
}
}
}
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