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package org.apache.maven.toolchain.building;
/*
* 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.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import org.apache.maven.building.Problem;
import org.apache.maven.building.ProblemCollector;
import org.apache.maven.building.ProblemCollectorFactory;
import org.apache.maven.building.Source;
import org.apache.maven.toolchain.io.ToolchainsParseException;
import org.apache.maven.toolchain.io.ToolchainsReader;
import org.apache.maven.toolchain.merge.MavenToolchainMerger;
import org.apache.maven.toolchain.model.PersistedToolchains;
import org.apache.maven.toolchain.model.TrackableBase;
/**
*
* @author Robert Scholte
* @since 3.3.0
*/
@Named
@Singleton
public class DefaultToolchainsBuilder
implements ToolchainsBuilder
{
private MavenToolchainMerger toolchainsMerger = new MavenToolchainMerger();
@Inject
private ToolchainsReader toolchainsReader;
@Override
public ToolchainsBuildingResult build( ToolchainsBuildingRequest request )
throws ToolchainsBuildingException
{
ProblemCollector problems = ProblemCollectorFactory.newInstance( null );
PersistedToolchains globalToolchains = readToolchains( request.getGlobalToolchainsSource(), request, problems );
PersistedToolchains userToolchains = readToolchains( request.getUserToolchainsSource(), request, problems );
toolchainsMerger.merge( userToolchains, globalToolchains, TrackableBase.GLOBAL_LEVEL );
problems.setSource( "" );
if ( hasErrors( problems.getProblems() ) )
{
throw new ToolchainsBuildingException( problems.getProblems() );
}
return new DefaultToolchainsBuildingResult( userToolchains, problems.getProblems() );
}
private PersistedToolchains readToolchains( Source toolchainsSource, ToolchainsBuildingRequest request,
ProblemCollector problems )
{
if ( toolchainsSource == null )
{
return new PersistedToolchains();
}
PersistedToolchains toolchains;
try
{
Map<String, ?> options = Collections.singletonMap( ToolchainsReader.IS_STRICT, Boolean.TRUE );
try
{
toolchains = toolchainsReader.read( toolchainsSource.getInputStream(), options );
}
catch ( ToolchainsParseException e )
{
options = Collections.singletonMap( ToolchainsReader.IS_STRICT, Boolean.FALSE );
toolchains = toolchainsReader.read( toolchainsSource.getInputStream(), options );
problems.add( Problem.Severity.WARNING, e.getMessage(), e.getLineNumber(), e.getColumnNumber(),
e );
}
}
catch ( ToolchainsParseException e )
{
problems.add( Problem.Severity.FATAL, "Non-parseable toolchains " + toolchainsSource.getLocation()
+ ": " + e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e );
return new PersistedToolchains();
}
catch ( IOException e )
{
problems.add( Problem.Severity.FATAL, "Non-readable toolchains " + toolchainsSource.getLocation()
+ ": " + e.getMessage(), -1, -1, e );
return new PersistedToolchains();
}
return toolchains;
}
private boolean hasErrors( List<Problem> problems )
{
if ( problems != null )
{
for ( Problem problem : problems )
{
if ( Problem.Severity.ERROR.compareTo( problem.getSeverity() ) >= 0 )
{
return true;
}
}
}
return false;
}
}
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