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package org.apache.maven.toolchain;
/*
* 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.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import org.apache.maven.toolchain.model.ToolchainModel;
import org.codehaus.plexus.logging.Logger;
/**
* Default abstract toolchain implementation, to be used as base class for any toolchain implementation
* to avoid rewriting usual code.
*
* @author mkleint
* @since 2.0.9
*/
public abstract class DefaultToolchain // should have been AbstractToolchain...
implements Toolchain, ToolchainPrivate
{
private String type;
private Map<String, RequirementMatcher> provides = new HashMap<String, RequirementMatcher>();
public static final String KEY_TYPE = "type"; //NOI18N
private ToolchainModel model;
private Logger logger;
/**
*
* @param model the model, must not be {@code null}
* @param logger the logger, must not be {@code null}
*/
protected DefaultToolchain( ToolchainModel model, Logger logger )
{
this.model = model;
this.logger = logger;
}
/**
*
* @param model the model, must not be {@code null}
* @param type the type
* @param logger the logger, must not be {@code null}
*/
protected DefaultToolchain( ToolchainModel model, String type, Logger logger )
{
this( model, logger );
this.type = type;
}
@Override
public final String getType()
{
return type != null ? type : model.getType();
}
@Override
public final ToolchainModel getModel()
{
return model;
}
public final void addProvideToken( String type, RequirementMatcher matcher )
{
provides.put( type, matcher );
}
@Override
public boolean matchesRequirements( Map<String, String> requirements )
{
for ( Map.Entry<String, String> requirement : requirements.entrySet() )
{
String key = requirement.getKey();
RequirementMatcher matcher = provides.get( key );
if ( matcher == null )
{
getLog().debug( "Toolchain " + this + " is missing required property: " + key );
return false;
}
if ( !matcher.matches( requirement.getValue() ) )
{
getLog().debug( "Toolchain " + this + " doesn't match required property: " + key );
return false;
}
}
return true;
}
protected Logger getLog()
{
return logger;
}
@Override
public boolean equals( Object obj )
{
if ( obj == null )
{
return false;
}
if ( this == obj )
{
return true;
}
if ( !( obj instanceof DefaultToolchain ) )
{
return false;
}
DefaultToolchain other = (DefaultToolchain) obj;
if ( type == null ? other.type != null : !type.equals( other.type ) )
{
return false;
}
Properties thisProvides = this.getModel().getProvides();
Properties otherProvides = other.getModel().getProvides();
if ( thisProvides == null ? otherProvides != null : !thisProvides.equals( otherProvides ) )
{
return false;
}
return true;
}
@Override
public int hashCode()
{
int hashCode = ( type == null ) ? 0 : type.hashCode();
if ( this.getModel().getProvides() != null )
{
hashCode = 31 * hashCode + this.getModel().getProvides().hashCode();
}
return hashCode;
}
@Override
public String toString()
{
StringBuilder builder = new StringBuilder();
builder.append( "type:" ).append( getType() );
builder.append( '{' );
Iterator<Map.Entry<String, RequirementMatcher>> providesIter = provides.entrySet().iterator();
while ( providesIter.hasNext() )
{
Map.Entry<String, RequirementMatcher> provideEntry = providesIter.next();
builder.append( provideEntry.getKey() ).append( " = " ).append( provideEntry.getValue() );
if ( providesIter.hasNext() )
{
builder.append( ';' );
}
}
builder.append( '}' );
return builder.toString();
}
}
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