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Open source project to apply coding conventions. This is the core component

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/* 
  Copyright (C) 2013 Raquel Pau and Albert Coroleu.
 
 Walkmod is free software: you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 
 Walkmod is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public License
 along with Walkmod.  If not, see .*/
package org.walkmod.impl;

import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.walkmod.ChainAdapter;
import org.walkmod.ChainWriter;
import org.walkmod.Resource;
import org.walkmod.ResourceModifier;
import org.walkmod.ChainWalkerAdapter;
import org.walkmod.ChainWalkerInvocation;
import org.walkmod.ChainWalker;
import org.walkmod.conf.entities.ChainConfig;
import org.walkmod.conf.entities.Configuration;
import org.walkmod.conf.entities.TransformationConfig;
import org.walkmod.conf.entities.WalkerConfig;
import org.walkmod.exceptions.WalkModException;
import org.walkmod.walkers.Parser;
import org.walkmod.walkers.ParserAware;

public class DefaultChainWalkerAdapter implements ChainWalkerAdapter {

	private WalkerConfig config;

	private ChainWalker walker;

	private List visitors = new LinkedList();

	private String name;

	private ChainWalkerInvocation wi;

	private ChainAdapter ap;

	private Collection transformationConfigs;

	private static final Log LOG = LogFactory.getLog(DefaultChainWalkerAdapter.class);

	@Override
	public Resource getModel() {
		return ap.getResource();
	}

	@Override
	public void setWalker(ChainWalker walker) {
		this.walker = walker;
	}

	@Override
	public ChainWalker getWalker() {
		return walker;
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	@Override
	public void prepare() throws WalkModException {
		walker.setResource(getModel());
		walker.setRootNamespace(config.getRootNamespace());
		ChainWriter mw = ap.getChainWriter();
		mw.setExcludes(config.getChainConfig().getWriterConfig().getExcludes());
		mw.setIncludes(config.getChainConfig().getWriterConfig().getIncludes());
		walker.setWriter(ap.getChainWriter());
		walker.setChainConfig(config.getChainConfig());
		ChainConfig ac = config.getChainConfig();
		Object visitor;
		Configuration c = ac.getConfiguration();
		Parser parser = null;
		String parserType = config.getParserConfig().getType();
		if (parserType != null) {
			Object parserInstance = c.getBean(parserType, config.getParserConfig().getParameters());
			if (parserInstance != null) {
				if (parserInstance instanceof Parser) {
					parser = (Parser) parserInstance;
					walker.setParser(parser);
				} else {
					throw new WalkModException(
							"The parser " + parserType + " must implement " + Parser.class.getName());
				}
			} else {
				throw new WalkModException("The parser " + parserType + " does not exist.");
			}
		}
		Collection cfgs = getTransformationConfig();
		if (cfgs != null) {
			for (TransformationConfig config : cfgs) {
				setName(config.getName());
				visitor = config.getVisitorInstance();
				if (visitor == null || "".equals(config.getType())) {
					visitor = c.getBean(config.getType(), config.getParameters());
				}
				if (visitor instanceof ResourceModifier) {
					((ResourceModifier) visitor).setResource(getModel());
				}
				if (visitor instanceof ParserAware) {
					((ParserAware) visitor).setParser(parser);
				}
				if (visitor != null) {
					LOG.debug("setting chain[\"" + ac.getName() + "\"].transformation[\"" + getName() + "\"].walker = "
							+ walker.getClass().getName());
					LOG.debug("setting chain[\"" + ac.getName() + "\"].transformation[\"" + getName() + "\"].visitor = "
							+ visitor.getClass().getName());
					visitors.add(visitor);
				} else {
					walker = null;
					visitor = null;
					LOG.debug("Transformation[" + getName() + "] without walker and visitor");
				}
			}
		}
		walker.setVisitors(visitors);
		wi.init(this);
	}

	@Override
	public void execute() throws WalkModException {
		wi.invoke();
	}

	@Override
	public String getName() {
		return name;
	}

	@Override
	public void setName(String name) {
		this.name = name;
	}

	@Override
	public void setWalkerInvocation(ChainWalkerInvocation wi) {
		this.wi = wi;
	}

	@Override
	public ChainWalkerInvocation getWalkerInvocation() {
		return wi;
	}

	@Override
	public ChainAdapter getArchitecture() {
		return ap;
	}

	@Override
	public void setArchitectureProxy(ChainAdapter ap) {
		this.ap = ap;
		setName(ap.getName());
	}

	@Override
	public void setTransformationConfig(Collection config) {
		this.transformationConfigs = config;
	}

	@Override
	public Collection getTransformationConfig() {
		return transformationConfigs;
	}

	@Override
	public void setWalkerConfig(WalkerConfig config) {
		this.config = config;
		setTransformationConfig(config.getTransformations());
	}

	@Override
	public WalkerConfig getWalkerConfig() {
		return config;
	}
}
    

    

    

            

    

            



    
    






    
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