JptInstance.java

package org.caudexorigo.jpt;

import java.io.InputStream;
import java.io.Writer;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang3.StringUtils;
import org.caudexorigo.xom.XomDocumentBuilder;

public class JptInstance
{
	private JptDocument _jptDocument;

	private ArrayList<Dependency> _dependecies;

	public JptInstance(URI templateUri)
	{
		nu.xom.Document doc;
		try
		{
			doc = XomDocumentBuilder.getDocument(templateUri);
		}
		catch (Throwable t)
		{
			throw new JptException(t);
		}
		JptNodeBuilder nbuilder = new JptNodeBuilder();
		nbuilder.process(doc, templateUri);
		_dependecies = nbuilder.getDependecies();

		Dependency d = new Dependency(templateUri);
		_dependecies.add(d);
		_jptDocument = nbuilder.getJptDocument();
	}

	public JptInstance(InputStream in_io, String resourcePath)
	{
		nu.xom.Document doc;
		try
		{
			doc = XomDocumentBuilder.getDocument(in_io);
		}
		catch (Exception e)
		{
			throw new JptException(e);
		}
		URI resourceUri = URI.create(resourcePath);
		JptNodeBuilder nbuilder = new JptNodeBuilder();
		nbuilder.process(doc, resourceUri);
		_jptDocument = nbuilder.getJptDocument();
	}

	public void render(Writer out) throws Throwable
	{
		String obj_type_name = StringUtils.isBlank(_jptDocument.getCtxObjectType()) ? "java.lang.Object" : _jptDocument.getCtxObjectType();
		Object oCtx = Class.forName(obj_type_name).newInstance();
		Map<String, Object> renderContext = new HashMap<String, Object>();
		renderContext.put("$this", oCtx);

		_jptDocument.render(renderContext, out);
	}

	public void render(Map<String, Object> renderContext, Writer out) throws Throwable
	{
		_jptDocument.render(renderContext, out);
	}

	public String getCtxObjectType()
	{
		return _jptDocument.getCtxObjectType();
	}

	public ArrayList<Dependency> getDependecies()
	{
		return _dependecies;
	}
}