XmlStreamReader.java

package com.aptana.ruby.internal.debug.core.parsing;

import java.io.IOException;
import java.text.MessageFormat;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import com.aptana.ruby.debug.core.RubyDebugCorePlugin;

public abstract class XmlStreamReader
{
	private AbstractReadStrategy readStrategy;
	private boolean isWaitTimeExpired;

	public XmlStreamReader(XmlPullParser xpp)
	{
		this(new SingleReaderStrategy(xpp));
	}

	public XmlStreamReader(AbstractReadStrategy readStrategy)
	{
		this.readStrategy = readStrategy;
		this.isWaitTimeExpired = false;
	}

	public void read() throws XmlPullParserException, IOException, XmlStreamReaderException
	{
		this.readStrategy.readElement(this);
	}

	public void read(long maxWaitTime) throws XmlPullParserException, IOException, XmlStreamReaderException
	{
		this.readStrategy.readElement(this, maxWaitTime);
	}

	protected abstract boolean processStartElement(XmlPullParser xpp) throws XmlStreamReaderException;

	protected boolean processEndElement(XmlPullParser xpp)
	{
		// returns true if processing is finished, false if there are further elements expected
		String name = xpp.getName();
		RubyDebugCorePlugin.debug(MessageFormat.format("Reader {0} received End element: {1}", getClass().getName(), //$NON-NLS-1$
				name));
		return true;
	}

	public void processContent(String text)
	{
	}

	public boolean isWaitTimeExpired()
	{
		return isWaitTimeExpired;
	}

	protected void setWaitTimeExpired(boolean isWaitTimeExpired)
	{
		this.isWaitTimeExpired = isWaitTimeExpired;
	}

}