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package org.apache.maven.model.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.util.EnumSet;
import java.util.List;
import java.util.Set;
import org.apache.maven.model.Model;
import org.apache.maven.model.io.ModelParseException;
/**
* Collects problems that are encountered during model building. The primary purpose of this component is to account for
* the fact that the problem reporter has/should not have information about the calling context and hence cannot provide
* an expressive source hint for the model problem. Instead, the source hint is configured by the model builder before
* it delegates to other components that potentially encounter problems. Then, the problem reporter can focus on
* providing a simple error message, leaving the donkey work of creating a nice model problem to this component.
*
* @author Benjamin Bentmann
*/
class DefaultModelProblemCollector
implements ModelProblemCollectorExt
{
private final ModelBuildingResult result;
private List<ModelProblem> problems;
private String source;
private Model sourceModel;
private Model rootModel;
private Set<ModelProblem.Severity> severities = EnumSet.noneOf( ModelProblem.Severity.class );
public DefaultModelProblemCollector( ModelBuildingResult result )
{
this.result = result;
this.problems = result.getProblems();
for ( ModelProblem problem : this.problems )
{
severities.add( problem.getSeverity() );
}
}
public boolean hasFatalErrors()
{
return severities.contains( ModelProblem.Severity.FATAL );
}
public boolean hasErrors()
{
return severities.contains( ModelProblem.Severity.ERROR ) || severities.contains( ModelProblem.Severity.FATAL );
}
@Override
public List<ModelProblem> getProblems()
{
return problems;
}
public void setSource( String source )
{
this.source = source;
this.sourceModel = null;
}
public void setSource( Model source )
{
this.sourceModel = source;
this.source = null;
if ( rootModel == null )
{
rootModel = source;
}
}
private String getSource()
{
if ( source == null && sourceModel != null )
{
source = ModelProblemUtils.toPath( sourceModel );
}
return source;
}
private String getModelId()
{
return ModelProblemUtils.toId( sourceModel );
}
public void setRootModel( Model rootModel )
{
this.rootModel = rootModel;
}
public Model getRootModel()
{
return rootModel;
}
public String getRootModelId()
{
return ModelProblemUtils.toId( rootModel );
}
public void add( ModelProblem problem )
{
problems.add( problem );
severities.add( problem.getSeverity() );
}
public void addAll( List<ModelProblem> problems )
{
this.problems.addAll( problems );
for ( ModelProblem problem : problems )
{
severities.add( problem.getSeverity() );
}
}
@Override
public void add( ModelProblemCollectorRequest req )
{
int line = -1;
int column = -1;
String source = null;
String modelId = null;
if ( req.getLocation() != null )
{
line = req.getLocation().getLineNumber();
column = req.getLocation().getColumnNumber();
if ( req.getLocation().getSource() != null )
{
modelId = req.getLocation().getSource().getModelId();
source = req.getLocation().getSource().getLocation();
}
}
if ( modelId == null )
{
modelId = getModelId();
source = getSource();
}
if ( line <= 0 && column <= 0 && req.getException() instanceof ModelParseException )
{
ModelParseException e = (ModelParseException) req.getException();
line = e.getLineNumber();
column = e.getColumnNumber();
}
ModelProblem problem =
new DefaultModelProblem( req.getMessage(), req.getSeverity(), req.getVersion(), source, line, column,
modelId, req.getException() );
add( problem );
}
public ModelBuildingException newModelBuildingException()
{
ModelBuildingResult result = this.result;
if ( result.getModelIds().isEmpty() )
{
DefaultModelBuildingResult tmp = new DefaultModelBuildingResult();
tmp.setEffectiveModel( result.getEffectiveModel() );
tmp.setProblems( getProblems() );
tmp.setActiveExternalProfiles( result.getActiveExternalProfiles() );
String id = getRootModelId();
tmp.addModelId( id );
tmp.setRawModel( id, getRootModel() );
result = tmp;
}
return new ModelBuildingException( result );
}
}
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